/* ================================================================
   DOMUS-IA  —  Premium SaaS Command Center
   Design language: Notion × Linear × Stripe
   Last updated: 2026-04-08
   ================================================================ */

/* ===== DESIGN TOKENS ===== */
:root {
    /* Brand — warm navy identity, blue accent */
    --brand-primary: #1e293b;
    --brand-primary-light: #334155;
    --brand-primary-dark: #0f172a;
    --brand-secondary: #1e293b;
    --brand-accent: #2ec4b6;
    --brand-accent-hover: #26a69a;
    --brand-accent-light: #e0f7f5;
    --brand-accent-muted: rgba(46, 196, 182, 0.08);
    --brand-gold: #a78c5b;

    /* Surfaces — warm neutral, barely-there */
    --surface-0: #ffffff;
    --surface-1: #fafafa;
    --surface-2: #f4f4f5;
    --surface-3: #e4e4e7;
    --surface-card: #ffffff;
    --surface-card-hover: #fafafa;
    --surface-elevated: #ffffff;

    /* Text — warm slate hierarchy, never pure black */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    --text-on-brand: #ffffff;

    /* Borders — barely visible, functional */
    --border-light: #e4e4e7;
    --border-medium: #d4d4d8;
    --border-heavy: #a1a1aa;
    --border-brand: rgba(46, 196, 182, 0.15);

    /* Gradients — kept for legacy JS, very subdued */
    --gradient-brand: #1e293b;
    --gradient-brand-accent: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --gradient-hero: #ffffff;
    --gradient-header: rgba(255, 255, 255, 0.96);
    --gradient-section-alt: #f8fafc;
    --gradient-text: linear-gradient(135deg, #1e293b, #475569);

    /* Shadows — functional depth, no color glow */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.03);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.03);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.07), 0 2px 8px rgba(0,0,0,0.03);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.09), 0 4px 12px rgba(0,0,0,0.04);
    --shadow-brand: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-card: 0 0 0 1px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.02);
    --shadow-card-hover: 0 0 0 1px rgba(0,0,0,0.06), 0 4px 16px rgba(0,0,0,0.06);
    --shadow-ring: 0 0 0 2px var(--brand-accent);

    /* Spacing rhythm */
    --space-section: 80px;
    --space-section-sm: 48px;

    /* Radius — consistent, not too round */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 0.12s;
    --duration-normal: 0.18s;
    --duration-slow: 0.3s;

    /* Legacy aliases — preserved for JS compatibility */
    --mc-indigo: #2ec4b6;
    --mc-indigo-light: #5eead4;
    --mc-indigo-dark: #26a69a;
    --mc-purple: #6366f1;
    --mc-pink: #6366f1;
    --mc-gold: #a78c5b;
    --mc-gold-light: #c4a96a;
    --mc-dark-1: #1e293b;
    --mc-dark-2: #334155;
    --mc-dark-3: #334155;
    --mc-dark-4: #334155;
    --mc-dark-5: #334155;
    --mc-white-90: rgba(255,255,255,0.9);
    --mc-white-80: rgba(255,255,255,0.8);
    --mc-white-60: rgba(255,255,255,0.6);
    --mc-white-30: rgba(255,255,255,0.3);
    --mc-white-10: rgba(255,255,255,0.1);
    --mc-white-05: rgba(255,255,255,0.05);
    --domus-navy: #1e293b;
    --domus-accent: #2ec4b6;
    --gradient-primary: #1e293b;
    --gradient-button: #1e293b;
    --gradient-gold: linear-gradient(135deg, #a78c5b, #c4a96a);
    --chat-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
    --surface-0: #09090b;
    --surface-1: #18181b;
    --surface-2: #27272a;
    --surface-3: #3f3f46;
    --surface-card: #18181b;
    --surface-card-hover: #27272a;
    --surface-elevated: #1c1c1f;
    --text-primary: #fafafa;
    --text-secondary: #d4d4d8;
    --text-tertiary: #a1a1aa;
    --text-muted: #71717a;
    --border-light: #27272a;
    --border-medium: #3f3f46;
    --border-heavy: #52525b;
    --border-brand: rgba(46, 196, 182, 0.25);
    --gradient-hero: #09090b;
    --gradient-header: rgba(9, 9, 11, 0.95);
    --gradient-section-alt: #18181b;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.35);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.6);
    --shadow-brand: 0 4px 16px rgba(0,0,0,0.5);
    --shadow-card: 0 0 0 1px rgba(255,255,255,0.06);
    --shadow-card-hover: 0 0 0 1px rgba(255,255,255,0.1), 0 4px 16px rgba(0,0,0,0.4);
}


/* ================================================================
   BASE RESET & TYPOGRAPHY
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; }
* { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-feature-settings: "kern" 1, "liga" 1, "calt" 1, "ss01" 1;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--surface-0);
    color: var(--text-primary);
    min-height: 100vh;
    letter-spacing: -0.011em;
    line-height: 1.6;
}

body.chat-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* Selection */
::selection {
    background: var(--brand-accent-light);
    color: var(--text-primary);
}


/* ================================================================
   ANIMATIONS — subtle, functional
   ================================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(8px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-8px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(46, 196, 182, 0.25); }
    50%      { box-shadow: 0 0 0 6px rgba(46, 196, 182, 0); }
}
@keyframes typing { 0% { width: 0 } 100% { width: 100% } }
@keyframes blink  { 50% { border-color: transparent } }
@keyframes spin   { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}
@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes borderRotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes chatFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes gridPulse { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.8; } }
@keyframes particleFloat {
    0%   { opacity: 0; transform: translateY(100%) scale(0); }
    30%  { opacity: 0.4; }
    70%  { opacity: 0.2; }
    100% { opacity: 0; transform: translateY(-100%) scale(1.5); }
}
@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.02); }
}
@keyframes typingDots {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
    40%           { opacity: 1; transform: scale(1); }
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: scale(0.97) translateY(-8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes audio-btn-pulse {
    0%, 100% { box-shadow: 0 0 0 2px rgba(46, 196, 182, 0.2); }
    50%      { box-shadow: 0 0 0 4px rgba(46, 196, 182, 0.08); }
}
@keyframes audio-btn-connecting { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes premiumGateFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes premiumGateSlideUp {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.4; }
}


/* ================================================================
   FILE PREVIEW IN CHAT
   ================================================================ */
.chat-file-preview {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 8px;
    max-width: 280px;
    position: relative;
    border: 1px solid var(--border-light);
    background: var(--surface-1);
}
.chat-file-preview img {
    width: 100%;
    max-height: 220px;
    object-fit: cover;
    display: block;
    border-radius: calc(var(--radius-lg) - 1px);
}
.chat-file-preview .file-info {
    padding: 8px 12px;
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.chat-doc-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--surface-1);
    border-radius: var(--radius-lg);
    margin-bottom: 8px;
    border: 1px solid var(--border-light);
}
.chat-doc-preview .doc-icon {
    width: 40px; height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    background: var(--surface-2);
    color: var(--text-tertiary);
}
.chat-doc-preview .doc-details { flex: 1; min-width: 0; }
.chat-doc-preview .doc-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-doc-preview .doc-size { font-size: 11px; color: var(--text-muted); margin-top: 2px; }


/* ================================================================
   IMAGE GENERATION PROGRESS
   ================================================================ */
.image-gen-progress {
    margin-top: 16px;
    padding: 20px;
    background: var(--surface-1);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}
.image-gen-progress::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.015), transparent);
    animation: shimmer 2.5s infinite;
    background-size: 200% 100%;
}
.image-gen-canvas {
    width: 100%;
    aspect-ratio: 1 / 1;
    max-height: 260px;
    border-radius: var(--radius-md);
    background: var(--surface-2);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}
.image-gen-canvas .gen-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,0,0,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.025) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: gridPulse 3s ease-in-out infinite;
}
.image-gen-canvas .gen-particles { position: absolute; inset: 0; overflow: hidden; }
.image-gen-canvas .gen-particle {
    position: absolute;
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
    opacity: 0;
    animation: particleFloat 3s ease-in-out infinite;
}
.image-gen-canvas .gen-icon {
    position: relative;
    z-index: 2;
    width: 48px; height: 48px;
    border-radius: var(--radius-lg);
    background: var(--surface-0);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: iconPulse 2s ease-in-out infinite;
}
.image-gen-canvas .gen-icon i { font-size: 18px; color: var(--text-tertiary); }
.gen-progress-bar {
    height: 3px;
    background: var(--surface-2);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 10px;
}
.gen-progress-fill {
    height: 100%;
    background: var(--brand-accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.5s var(--ease-out);
}
.gen-status { display: flex; align-items: center; justify-content: space-between; }
.gen-status .gen-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.gen-status .gen-percent {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}


/* ================================================================
   HEADER — Clean, minimal, professional
   ================================================================ */
header {
    background: var(--gradient-header) !important;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--border-light) !important;
    box-shadow: none !important;
    transition: background var(--duration-normal) ease;
}
header h1 { color: var(--text-primary) !important; }
header p { color: var(--text-muted) !important; font-size: 11px !important; letter-spacing: 0.01em; }
header nav a {
    color: var(--text-tertiary) !important;
    transition: color var(--duration-fast) ease;
    text-decoration: none;
}
header nav a:hover { color: var(--text-primary) !important; }

/* Desktop nav links */
.nav-link-desktop {
    color: var(--text-tertiary) !important;
    font-size: 13px;
    line-height: 1;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast) ease, background var(--duration-fast) ease;
    white-space: nowrap;
    flex-shrink: 0;
    font-weight: 450;
    text-decoration: none;
}
@media (min-width: 1280px) { .nav-link-desktop { font-size: 13.5px; padding: 6px 12px; } }
@media (min-width: 1024px) and (max-width: 1279px) { .nav-link-desktop { font-size: 12px; padding: 5px 6px; } }
.nav-link-desktop:hover {
    color: var(--text-primary) !important;
    background: var(--surface-2);
}
/* Override Tailwind blue on Planes link */
.nav-link-desktop.font-semibold { color: var(--text-primary) !important; font-weight: 600; }

@media (max-width: 768px) {
    header { padding: 0; }
    header .max-w-7xl { padding-left: 1rem; padding-right: 1rem; }
    header h1 { font-size: 0.95rem; line-height: 1.2; }
}

/* Mobile menu */
#mobileMenu {
    background: var(--surface-0) !important;
    border-top: 1px solid var(--border-light) !important;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out);
}
#mobileMenu:not(.hidden) {
    max-height: 80vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.mobile-nav-link {
    display: block;
    color: var(--text-secondary) !important;
    font-size: 15px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    transition: color var(--duration-fast) ease, background var(--duration-fast) ease;
    text-decoration: none;
}
.mobile-nav-link:hover,
.mobile-nav-link:active {
    color: var(--text-primary) !important;
    background: var(--surface-2);
}
.mobile-nav-scroll {
    max-height: calc(80vh - 20px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 24px;
    overscroll-behavior: contain;
}
.mobile-nav-bottom-safe {
    padding-bottom: env(safe-area-inset-bottom, 20px);
    min-height: 24px;
}
#mobileMenu a { color: var(--text-secondary) !important; text-decoration: none; }
#mobileMenu a:hover { color: var(--text-primary) !important; }

/* Auth buttons */
#loginBtn { color: var(--text-tertiary) !important; transition: color var(--duration-fast); }
#loginBtn:hover { color: var(--text-primary) !important; }
#registerBtn {
    background: var(--brand-accent) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-xs);
    transition: opacity var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}
#registerBtn:hover { opacity: 0.9; box-shadow: var(--shadow-sm); }
#mobileMenuBtn { color: var(--text-primary) !important; }


/* ================================================================
   HERO
   ================================================================ */
#inicio {
    background: var(--surface-0);
    position: relative;
}
#inicio::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% -10%, rgba(46, 196, 182, 0.03), transparent);
    pointer-events: none;
}
.hero-title {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.03em;
}

/* Override Tailwind gradient on hero title */
#inicio h1 .bg-gradient-to-r {
    background: var(--text-primary) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}
#inicio h1 {
    animation: fadeInUp 0.5s var(--ease-out);
    position: relative;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}
#inicio h1 + p {
    animation: fadeInUp 0.5s var(--ease-out) 0.08s backwards;
    line-height: 1.5;
    color: var(--text-tertiary) !important;
}
#inicio h1 .block { color: var(--text-primary) !important; -webkit-text-fill-color: var(--text-primary) !important; }

/* Hero CTA button — solid, single color */
#startChatBtn {
    background: var(--brand-accent) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
    transition: opacity var(--duration-fast) ease, transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease !important;
    border: none !important;
}
#startChatBtn:hover {
    opacity: 0.9 !important;
    transform: translateY(-1px) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* Hero chat preview — minimal */
#inicio .rounded-2xl.shadow-xl {
    border: 1px solid var(--border-light) !important;
    box-shadow: var(--shadow-lg) !important;
    border-radius: var(--radius-xl) !important;
    overflow: hidden;
}
/* Override blue header in chat preview */
#inicio .bg-blue-600 {
    background: var(--text-primary) !important;
}
#inicio .bg-green-400 { background: #22c55e !important; }

@media (max-width: 768px) {
    #inicio { padding-top: 2rem; padding-bottom: 2rem; }
    #inicio h1 + p { font-size: 1rem !important; line-height: 1.5; }
    #inicio h1 { font-size: 2.25rem !important; line-height: 1.1; }
    #inicio h1 .block { font-size: 1.5rem !important; margin-top: 0.5rem; }
    #inicio .grid { gap: 2rem; }
}
@media (min-width: 768px) {
    #inicio h1 .bg-gradient-to-r { font-size: 1.05em; line-height: 0.95; }
}


/* ================================================================
   LANDING SECTIONS — Unified premium feel
   ================================================================ */

/* Override all section backgrounds to consistent palette */
main > section,
main > div {
    position: relative;
}

/* Problem section — red cards become neutral */
main section .bg-red-50\/30,
main section [class*="bg-red-50"] {
    background: var(--surface-1) !important;
    border-color: var(--border-light) !important;
}
main section .border-red-100 { border-color: var(--border-light) !important; }
main section .bg-red-100 { background: var(--surface-2) !important; }
main section .text-red-400 { color: var(--text-tertiary) !important; }
main section .text-red-500 { color: var(--text-primary) !important; }

/* Sofia section cards — blue cards become neutral accent */
main section .bg-blue-50\/30,
main section [class*="bg-blue-50/30"],
main section .border-blue-100[class*="bg-blue"] {
    background: var(--surface-1) !important;
    border-color: var(--border-light) !important;
}
main section .border-blue-100 { border-color: var(--border-light) !important; }
main section .bg-blue-100 { background: var(--brand-accent-muted) !important; }
main section .text-blue-600:not(.nav-link-desktop):not(#startChatBtn):not(#registerBtn) {
    color: var(--brand-accent) !important;
}
main section .bg-indigo-50 { background: var(--brand-accent-muted) !important; }
main section .text-indigo-600 { color: var(--text-primary) !important; }

/* Override bg-blue-50 badge */
main section .bg-blue-50 { background: var(--surface-2) !important; }
main section .text-blue-700 { color: var(--text-secondary) !important; }

/* Comparison table neutral */
main section .bg-blue-50\/50,
main section .bg-blue-50\/30 {
    background: var(--surface-1) !important;
}

/* Stats section — price numbers use accent color */
main section .text-3xl.font-bold.text-blue-600 {
    color: var(--brand-accent) !important;
}

/* All inline bg-blue-600 buttons → brand accent */
main section .bg-blue-600 {
    background: var(--brand-accent) !important;
}
main section .hover\:bg-blue-700:hover {
    background: var(--brand-accent-hover) !important;
}

/* Feature cards hover */
main section .group.rounded-2xl {
    transition: all var(--duration-normal) var(--ease-out);
    border-color: var(--border-light);
}
main section .group.rounded-2xl:hover {
    border-color: var(--border-medium) !important;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Section alt backgrounds */
.bg-slate-50 { background: var(--surface-1) !important; }
.bg-white { background: var(--surface-0) !important; }

/* Section separators — subtle divider between same-bg sections */
main > section + section {
    border-top: 1px solid var(--border-light);
}
main > section.bg-slate-50 + section.bg-white,
main > section.bg-white + section.bg-slate-50 {
    border-top: none;
}

/* Remove bouncing arrow animation — too playful */
main section .animate-bounce { animation: none !important; }

/* Powered-by banner — subtle and integrated */
#poweredByBanner {
    background: var(--surface-2) !important;
    border-radius: var(--radius-md) !important;
    height: 36px !important;
}

/* Testimonial section */
main section .border-slate-200 {
    border-color: var(--border-light) !important;
}

/* ===== SECTIONS ===== */
#sofia {
    background: var(--surface-1) !important;
    position: relative;
}
#sofia::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(46, 196, 182, 0.015), transparent);
    pointer-events: none;
}
#planes { background: var(--surface-1) !important; }


/* ================================================================
   CARDS — Unified card system
   ================================================================ */
.glass-card {
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--duration-normal) var(--ease-out);
}
.glass-card:hover {
    box-shadow: var(--shadow-card-hover);
}


/* ================================================================
   BUTTONS — Single-color system
   ================================================================ */
.btn-primary {
    background: var(--brand-accent) !important;
    border: none;
    color: white !important;
    transition: opacity var(--duration-fast) ease;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
}
.btn-primary::before { display: none; }
.btn-primary:hover { opacity: 0.88; }

.btn-secondary {
    background: transparent !important;
    border: 1px solid var(--border-medium) !important;
    color: var(--text-secondary) !important;
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) ease;
}
.btn-secondary:hover {
    border-color: var(--text-primary) !important;
    color: var(--text-primary) !important;
    background: var(--surface-1) !important;
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) ease;
}
.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--surface-2);
}


/* ================================================================
   CHAT INTERFACE — Command Center
   ================================================================ */
.chat-modal-fullscreen { background: var(--surface-0); }
.chat-fullscreen-container {
    display: flex;
    flex-direction: row;
    height: 100%;
}

/* --- SIDEBAR — organized, quiet --- */
.chat-sidebar {
    width: 260px;
    background: var(--surface-1);
    border-right: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    height: 100%;
    transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-fast) ease;
}
.chat-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 14px 12px;
    gap: 8px;
}
.chat-sidebar-new-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--surface-0);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    flex: 1;
}
.chat-sidebar-new-btn:hover {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-xs);
}
.chat-sidebar-new-btn i { font-size: 11px; color: var(--text-muted); }

.chat-sidebar-close-btn {
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    transition: all var(--duration-fast);
    flex-shrink: 0;
}
.chat-sidebar-close-btn:hover { background: var(--surface-2); color: var(--text-secondary); }

/* Section labels — small caps, quiet */
.chat-sidebar-section-label {
    padding: 18px 16px 6px;
    font-size: 10.5px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Conversation list */
.chat-sidebar-list {
    flex: 1;
    overflow-y: auto;
    padding: 2px 8px;
}
.chat-sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--duration-fast) ease;
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-sidebar-item:hover { background: var(--surface-2); }
.chat-sidebar-item.active {
    background: var(--surface-2);
    font-weight: 500;
    color: var(--text-primary);
}
.chat-sidebar-item i { color: var(--text-muted); font-size: 12px; flex-shrink: 0; }
.chat-sidebar-item .fa-trash-alt {
    opacity: 0;
    transition: opacity var(--duration-fast), color var(--duration-fast);
    padding: 4px 6px;
    font-size: 10px;
    margin-left: auto;
    border-radius: 4px;
}
.chat-sidebar-item:hover .fa-trash-alt { opacity: 0.5; }
.chat-sidebar-item .fa-trash-alt:hover { opacity: 1; color: #ef4444 !important; background: rgba(239,68,68,0.06); }
@media (max-width: 768px) { .chat-sidebar-item .fa-trash-alt { opacity: 0.4; } }

/* Footer — tools & profile section */
.chat-sidebar-footer {
    border-top: 1px solid var(--border-light);
    padding: 6px 8px 8px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 0px;
    overflow-y: auto;
    max-height: 50vh;
}
.chat-sidebar-footer-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background var(--duration-fast) ease, color var(--duration-fast) ease;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}
.chat-sidebar-footer-btn:hover {
    background: var(--surface-2);
    color: var(--text-primary);
}
.chat-sidebar-footer-btn i {
    font-size: 13px;
    color: var(--text-muted);
    width: 16px;
    text-align: center;
    transition: color var(--duration-fast) ease;
}
.chat-sidebar-footer-btn:hover i { color: var(--text-tertiary); }
.chat-sidebar-footer .chat-sidebar-section-label {
    padding: 12px 10px 4px;
    margin: 0;
}


/* ================================================================
   MAIN CHAT AREA
   ================================================================ */
.chat-main-area {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    height: 100%;
    background: var(--surface-0);
}

/* --- CHAT HEADER — minimal status bar --- */
.chat-header-minimal {
    background: var(--surface-0);
    border-bottom: 1px solid var(--border-light);
    padding: 10px 20px;
    flex-shrink: 0;
}
.chat-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 768px;
    margin: 0 auto;
    width: 100%;
    gap: 8px;
}

/* Header status dot */
.chat-status-dot {
    width: 6px; height: 6px;
    background: #22c55e;
    border-radius: 50%;
    flex-shrink: 0;
}

/* Header action buttons — ghost style */
.chat-header-action-btn {
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    font-size: 13px;
}
.chat-header-action-btn:hover {
    background: var(--surface-2);
    color: var(--text-secondary);
}
.chat-header-action-btn:active { transform: scale(0.95); }

/* Audio buttons — accent, minimal */
.chat-audio-btn {
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-size: 13px;
    color: #ffffff;
    transition: all var(--duration-fast) ease;
    position: relative;
    flex-shrink: 0;
}
.chat-audio-btn:active { transform: scale(0.94); }
.chat-audio-btn-teal { background: var(--brand-primary); }
.chat-audio-btn-teal:hover { background: var(--brand-primary-light); }
.chat-audio-btn-blue { background: var(--brand-accent); }
.chat-audio-btn-blue:hover { background: var(--brand-accent-hover); }
.chat-audio-btn.active,
.chat-audio-btn-teal.active,
.chat-audio-btn-blue.active {
    background: var(--brand-accent) !important;
    box-shadow: 0 0 0 2px rgba(46, 196, 182, 0.2);
    animation: audio-btn-pulse 2s ease-in-out infinite;
}
.chat-audio-btn.no-access { background: var(--surface-3); cursor: not-allowed; opacity: 0.5; color: var(--text-muted); }
.chat-audio-btn.no-access:hover { background: var(--surface-3); box-shadow: none; }
.chat-audio-btn.connecting { animation: audio-btn-connecting 1s ease-in-out infinite; }

/* Header action row */
.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

/* Labeled buttons */
.chat-labeled-btn {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    width: auto !important;
    height: auto !important;
    min-width: 32px;
    padding: 4px 4px 2px !important;
}
.chat-btn-label {
    display: block;
    font-size: 8px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.03em;
    opacity: 0.5;
    white-space: nowrap;
    pointer-events: none;
}
.chat-audio-btn .chat-btn-label { color: #ffffff; opacity: 0.75; }
.chat-header-action-btn .chat-btn-label { color: var(--text-muted); }


/* ================================================================
   MESSAGES AREA — clean, spacious prose
   ================================================================ */
.chat-messages-area {
    flex: 1 1 0%;
    overflow-y: auto;
    padding: 32px 20px 20px;
    -webkit-overflow-scrolling: touch;
    background: var(--surface-0);
}

/* Message container */
.chat-msg {
    max-width: 768px;
    margin: 0 auto 32px;
    padding: 0 8px;
    animation: chatFadeIn 0.2s var(--ease-out);
}

/* Assistant message row */
.chat-msg-row {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.chat-msg-avatar {
    flex-shrink: 0;
    width: 28px; height: 28px;
    margin-top: 2px;
}
.chat-msg-avatar img {
    width: 28px; height: 28px;
    border-radius: var(--radius-md);
    object-fit: cover;
    border: 1px solid var(--border-light);
}
.chat-msg-body { flex: 1; min-width: 0; }
.chat-msg-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}
.chat-msg-name {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.chat-msg-time { font-size: 11px; color: var(--text-muted); }

/* Assistant message content — clean prose */
.chat-msg-assistant .message-content {
    font-size: 14.5px;
    line-height: 1.75;
    color: var(--text-secondary);
}
.chat-msg-assistant .message-content p {
    margin-bottom: 14px;
    line-height: 1.75;
    text-align: left;
}
.chat-msg-assistant .message-content p:last-child { margin-bottom: 0; }
.chat-msg-assistant .message-content strong {
    font-weight: 600;
    color: var(--text-primary);
}
.chat-msg-assistant .message-content ul,
.chat-msg-assistant .message-content ol {
    margin: 12px 0;
    padding-left: 1.25rem;
}
.chat-msg-assistant .message-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}
.chat-msg-assistant .message-content br {
    display: block;
    content: "";
    margin-top: 6px;
}

/* User message — soft right-aligned container */
.chat-msg-row-user {
    display: flex;
    justify-content: flex-end;
}
.chat-msg-body-user {
    max-width: 72%;
    background: var(--surface-1);
    color: var(--text-primary);
    border-radius: 14px 14px 4px 14px;
    padding: 12px 16px;
    font-size: 14.5px;
    line-height: 1.65;
    word-wrap: break-word;
    border: 1px solid var(--border-light);
}
.chat-msg-body-user p {
    margin: 0;
    color: var(--text-primary);
}

/* Quiz/option buttons — clean, outlined pills */
.sofia-quiz-btn {
    display: inline-block;
    margin: 4px 4px 4px 0;
    padding: 8px 16px;
    background: var(--surface-0);
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    line-height: 1.3;
}
.sofia-quiz-btn:hover {
    background: var(--surface-1);
    border-color: var(--text-primary);
    color: var(--text-primary);
}
.sofia-quiz-btn:active {
    transform: scale(0.98);
    background: var(--surface-2);
}

/* Typing cursor */
.message-content.typing::after {
    content: '|';
    animation: blink 1s infinite;
    margin-left: 2px;
    opacity: 0.4;
}


/* ================================================================
   INPUT AREA — Command bar
   ================================================================ */
.chat-input-wrapper {
    flex-shrink: 0;
    background: var(--surface-0);
    padding: 16px 20px;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
}
.chat-input-container {
    max-width: 768px;
    margin: 0 auto;
}

/* Command bar */
.chat-input-bar {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    background: var(--surface-0);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 6px 8px 6px 14px;
    transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}
.chat-input-bar:focus-within {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 1px var(--text-primary);
}

/* Input icon buttons */
.chat-input-icon-btn {
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    font-size: 13px;
    flex-shrink: 0;
}
.chat-input-icon-btn:hover {
    background: var(--surface-2);
    color: var(--text-secondary);
}

/* Text input */
.chat-input-field {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    outline: none !important;
    box-shadow: none !important;
    -webkit-tap-highlight-color: transparent;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-primary);
    padding: 6px 4px;
    -webkit-appearance: none;
    resize: none;
    overflow-y: auto;
    max-height: 150px;
    min-height: 24px;
    scrollbar-width: thin;
    font-family: inherit;
    letter-spacing: -0.01em;
}
.chat-input-field:focus,
.chat-input-field:focus-visible,
.chat-input-field:focus-within {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}
.chat-input-field::placeholder { color: var(--text-muted); }

/* Send button — solid dark */
.chat-send-btn {
    width: 32px; height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: none;
    background: var(--brand-accent);
    color: #ffffff;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    font-size: 13px;
}
.chat-send-btn:hover { opacity: 0.88; }
.chat-send-btn:active { transform: scale(0.94); }

/* Credit bar — premium minimal */
.chat-credit-bar {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 6px;
    padding: 0;
    color: var(--text-muted);
    font-size: 11px;
}
.credit-bar-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    background: none;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-family: inherit;
    font-size: 11px;
    color: var(--text-muted);
    transition: background 0.15s ease, color 0.15s ease;
    line-height: 1;
    white-space: nowrap;
}
.credit-bar-btn:hover {
    background: var(--surface-1, rgba(0,0,0,0.04));
    color: var(--text-secondary);
}
.credit-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    flex-shrink: 0;
    transition: background 0.3s ease;
}
.credit-status-dot.warning { background: #f59e0b; }
.credit-status-dot.critical { background: #ef4444; }
.credit-plan-label {
    font-weight: 600;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    opacity: 0.7;
}
.credit-separator {
    opacity: 0.3;
    font-size: 10px;
}
.credit-count {
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}
.credit-unit {
    opacity: 0.6;
}

/* Credit detail dropdown */
.credit-detail-panel {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-card, #fff);
    border: 1px solid var(--border-light, #e5e7eb);
    border-radius: 12px;
    padding: 14px 16px;
    min-width: 240px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.04);
    z-index: 500;
    animation: creditPanelIn 0.15s ease-out;
}
.credit-detail-panel.hidden { display: none; }
@keyframes creditPanelIn {
    from { opacity: 0; transform: translateX(-50%) translateY(4px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.credit-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 3px 0;
}
.credit-detail-label {
    font-size: 12px;
    color: var(--text-muted);
}
.credit-detail-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}
.credit-detail-bar-track {
    height: 3px;
    background: var(--surface-2, rgba(0,0,0,0.06));
    border-radius: 2px;
    overflow: hidden;
    margin: 8px 0;
}
.credit-detail-bar-fill {
    height: 100%;
    width: 100%;
    background: #10b981;
    border-radius: 2px;
    transition: width 0.4s ease, background 0.3s ease;
}
.credit-detail-actions {
    display: flex;
    gap: 6px;
    margin-top: 6px;
    padding-top: 8px;
    border-top: 1px solid var(--border-light, #e5e7eb);
}
.credit-detail-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 6px 0;
    font-size: 11px;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-muted);
    background: none;
    border: 1px solid var(--border-light, #e5e7eb);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}
.credit-detail-action:hover {
    color: var(--text-secondary);
    border-color: var(--border-medium);
    background: var(--surface-1, rgba(0,0,0,0.02));
}
.credit-detail-action i { font-size: 10px; }

/* Typing indicator */
.typing-indicator {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 12px 0;
    margin-bottom: 8px;
}
.typing-dots { display: flex; gap: 4px; }
.typing-dot {
    width: 5px; height: 5px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingDots 1.4s infinite ease-in-out;
}
.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }


/* ================================================================
   PRICING CARDS
   ================================================================ */
.pricing-card {
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl) !important;
}
.pricing-card::before { display: none; }
.pricing-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-medium) !important;
}
.pricing-card.featured {
    border: 2px solid var(--brand-accent);
    box-shadow: var(--shadow-lg);
}
/* Override Tailwind color classes in pricing */
/* Let pricing card plan-accent colors show through */
/* .pricing-card plan colors use their Tailwind classes */
/* Let pricing card buttons keep their Tailwind colors */
/* .pricing-card buttons use their plan-specific colors */


/* ================================================================
   MODALS
   ================================================================ */
.modal-backdrop {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.modal-content { animation: modalSlideIn 0.2s var(--ease-out); }
#registerModal .bg-white,
#loginModal .bg-white {
    background: white !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-xl) !important;
}
#registerModal .bg-white h2,
#loginModal .bg-white h2,
#registerModal .bg-white label,
#loginModal .bg-white label { color: var(--text-primary) !important; }
#registerModal .bg-white input,
#loginModal .bg-white input,
#registerModal .bg-white select,
#loginModal .bg-white select { color: var(--text-primary) !important; background: white !important; }
@media (max-width: 768px) { #chatModal { animation: none; } }


/* ================================================================
   FEATURE CARDS
   ================================================================ */
.feature-card {
    transition: all var(--duration-normal) var(--ease-out);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
}
.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-medium);
}
.feature-icon { transition: all var(--duration-normal) var(--ease-out); }
.feature-card:hover .feature-icon { transform: scale(1.04); }


/* ================================================================
   SCROLLBAR — minimal
   ================================================================ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-medium); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }


/* ================================================================
   FOOTER
   ================================================================ */
footer {
    background: var(--text-primary) !important;
    border-top: none;
}


/* ================================================================
   CHAT FORM & INPUT FIXES
   ================================================================ */
#chatForm { width: 100%; max-width: 100%; box-sizing: border-box; }
#chatInput {
    flex: 1;
    min-width: 0;
    color: var(--text-primary) !important;
    background-color: transparent !important;
    -webkit-text-fill-color: var(--text-primary);
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
    -webkit-tap-highlight-color: transparent;
    width: 0;
    flex: 1 1 0%;
    box-sizing: border-box;
}
#chatInput:focus,
#chatInput:focus-visible {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}
#chatInput::placeholder {
    color: var(--text-muted) !important;
    -webkit-text-fill-color: var(--text-muted);
    opacity: 1;
}


/* ================================================================
   LOADING
   ================================================================ */
.loading-spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid var(--border-light);
    border-radius: 50%;
    border-top-color: var(--text-primary);
    animation: spin 0.7s linear infinite;
}


/* ================================================================
   STATUS
   ================================================================ */
.status-online {
    width: 7px; height: 7px;
    background: #22c55e;
    border-radius: 50%;
    position: relative;
}
.status-online::before { display: none; }


/* ================================================================
   IMAGE PREVIEW ACTION BUTTONS
   ================================================================ */
.preview-action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    border: none;
    line-height: 1;
}
.preview-action-primary {
    background: white;
    color: var(--text-primary);
}
.preview-action-primary:hover { opacity: 0.9; }
.preview-action-secondary {
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(255,255,255,0.12);
}
.preview-action-secondary:hover {
    background: rgba(255,255,255,0.18);
}
.preview-action-danger {
    background: rgba(239,68,68,0.12);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.2);
}
.preview-action-danger:hover {
    background: rgba(239,68,68,0.22);
    color: #fecaca;
}


/* ================================================================
   CONTENT BLOCKS — Generated content cards
   ================================================================ */
.generated-content-card {
    background: var(--surface-1);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin-top: 12px;
    transition: border-color var(--duration-fast) ease;
}
.generated-content-card:hover {
    border-color: var(--border-medium);
}


/* ================================================================
   DELETE BUTTONS
   ================================================================ */
.artifact-delete-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}
.artifact-delete-btn:hover {
    background: rgba(239,68,68,0.05);
    color: #ef4444;
    border-color: rgba(239,68,68,0.25);
}
.artifact-delete-btn i { font-size: 10px; }


/* ================================================================
   RESPONSIVE — Mobile
   ================================================================ */
.keyboard-open { position: fixed; width: 100%; overflow: hidden; }
body.keyboard-open { position: fixed; width: 100%; overflow: hidden; }

@media (max-width: 768px) {
    .pricing-card { margin-bottom: 16px; }
    .chat-sidebar {
        position: fixed;
        top: 0; left: 0;
        width: 280px;
        height: 100%;
        z-index: 200;
        transform: translateX(-100%);
        opacity: 0;
        box-shadow: none;
    }
    .chat-sidebar.open {
        transform: translateX(0);
        opacity: 1;
        box-shadow: 8px 0 32px rgba(0,0,0,0.06);
    }
    .chat-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.15);
        z-index: 199;
    }
    .chat-sidebar-overlay.open { display: block; }
    .chat-msg { padding: 0 4px; margin-bottom: 22px; }
    .chat-msg-body-user { max-width: 88%; }
    .chat-input-field { font-size: 16px !important; }
    .chat-send-btn { width: 36px; height: 36px; }
    .chat-input-icon-btn { width: 36px; height: 36px; }
    .chat-messages-area { padding: 20px 12px 12px; }
    .chat-input-wrapper { padding: 10px 12px; }
    .keyboard-open .chat-messages-area { padding-bottom: 1rem; }
}

/* Desktop sidebar always visible */
@media (min-width: 769px) {
    .chat-sidebar { transform: translateX(0); opacity: 1; }
    .chat-sidebar-close-btn { display: none; }
    #openSidebarBtn { display: none; }
}


/* ================================================================
   iOS FIXES
   ================================================================ */
@supports (-webkit-touch-callout: none) {
    .chat-input-field { font-size: 16px !important; transform: translateZ(0); -webkit-appearance: none; }
    @media (max-width: 768px) {
        body { height: 100vh; height: -webkit-fill-available; }
        #chatModal { height: 100vh !important; height: -webkit-fill-available !important; }
        .chat-fullscreen-container { height: 100vh !important; height: -webkit-fill-available !important; }
    }
}

/* Android fixes */
@media (max-width: 768px) {
    @supports not (-webkit-touch-callout: none) {
        #chatModal { height: 100vh !important; height: 100dvh !important; }
        .chat-fullscreen-container { height: 100vh !important; height: 100dvh !important; }
    }
}

@media (max-width: 640px) { .hero-title { font-size: 2rem; } }


/* ================================================================
   VOICE BUTTON
   ================================================================ */
#voiceBtn { transition: all var(--duration-fast) ease; }
#voiceBtn:hover { transform: scale(1.02); }
#voiceBtn:active { transform: scale(0.96); }
#voiceBtn.recording { animation: pulse-glow 1.5s ease-in-out infinite; }
.voice-recording-indicator { animation: fadeInUp 0.2s var(--ease-out); }
@media (max-width: 768px) { #voiceBtn { padding: 0.625rem; } }


/* ================================================================
   ACCESSIBILITY
   ================================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--brand-accent);
    outline-offset: 2px;
}
/* Remove outline on mouse click, keep for keyboard */
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible),
textarea:focus:not(:focus-visible) {
    outline: none;
}
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #1a1a1a;
        --text-tertiary: #333333;
    }
}


/* ================================================================
   UTILITY CLASSES
   ================================================================ */
.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.shadow-domus { box-shadow: var(--shadow-lg); }
.border-gradient { border: 1px solid var(--border-medium); }
.backdrop-blur { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.text-mc-gold { color: var(--brand-gold) !important; }
.bg-mc-gold { background: var(--gradient-gold) !important; }
.glow-border { position: relative; }
.glow-border::after { display: none; }

/* Landing sections */
.landing-section { background: var(--surface-0); }
.landing-section-alt { background: var(--surface-1); }
.landing-card {
    background: var(--surface-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all var(--duration-normal) var(--ease-out);
}
.landing-card:hover {
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-1px);
}

/* Phone frame */
.phone-frame {
    background: var(--brand-primary-dark);
    border-radius: 2rem;
    overflow: hidden;
}
.phone-frame-border {
    background: var(--surface-3);
    border-radius: 2.3rem;
    padding: 3px;
}
.sofia-agente-card { background: var(--brand-primary-dark); color: white; }

/* Chat Plus icons */
#chatPlusIcons { transition: opacity var(--duration-fast) ease, max-width var(--duration-normal) ease; }
#chatPlusIcons.hidden { display: none !important; }

/* Rewards */
#rewardProgressContainer { overflow: hidden; box-sizing: border-box; max-width: 100%; }
#rewardProgressContainer .reward-progress-header { overflow: hidden; box-sizing: border-box; }
#rewardProgressContainer .reward-progress-body {
    transition: max-height var(--duration-normal) var(--ease-out), opacity var(--duration-fast) ease, padding var(--duration-normal) ease;
    max-height: 500px;
    opacity: 1;
    overflow: hidden;
}
#rewardProgressContainer.reward-collapsed .reward-progress-body { max-height: 0; opacity: 0; padding: 0; }
#rewardProgressContainer.reward-collapsed .reward-toggle-icon { transform: rotate(-90deg); }


/* ================================================================
   PRINT
   ================================================================ */
@media print {
    .no-print { display: none !important; }
    body { background: white !important; color: black !important; }
    .chat-fullscreen-container { box-shadow: none !important; border: 1px solid #ccc !important; }
}


/* ================================================================
   PREMIUM GATE MODAL
   ================================================================ */
.premium-gate-overlay {
    position: fixed;
    inset: 0;
    z-index: 200000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    animation: premiumGateFadeIn 0.2s var(--ease-out);
}
.premium-gate-overlay.hidden { display: none !important; }
.premium-gate-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.premium-gate-card {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: 32px 28px 28px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    animation: premiumGateSlideUp 0.2s var(--ease-out);
}
.premium-gate-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast);
}
.premium-gate-close:hover { background: var(--surface-2); color: var(--text-secondary); }
.premium-gate-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 20px;
    background: var(--surface-1);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}
.premium-gate-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}
.premium-gate-desc {
    font-size: 14px;
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 340px;
    margin-left: auto;
    margin-right: auto;
}
.premium-gate-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    text-align: left;
    padding: 0 8px;
}
.premium-gate-features:empty { display: none; }
.premium-gate-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}
.premium-gate-feature-item i { color: var(--text-muted); font-size: 11px; flex-shrink: 0; }
.premium-gate-cta {
    width: 100%;
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    border: none;
    font-weight: 600;
    font-size: 14px;
    color: white;
    background: var(--brand-accent);
    cursor: pointer;
    transition: opacity var(--duration-fast) ease;
}
.premium-gate-cta:hover { opacity: 0.88; }
.premium-gate-dismiss {
    display: block;
    margin: 12px auto 0;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    padding: 8px 16px;
    transition: color var(--duration-fast);
}
.premium-gate-dismiss:hover { color: var(--text-secondary); }


/* ================================================================
   GLOBAL TAILWIND OVERRIDES — enforce monochrome palette
   ================================================================ */

/* All blue-600 CTA buttons become brand accent (aqua-green) */
main .bg-blue-600,
main .hover\:bg-blue-700 {
    background-color: var(--brand-accent) !important;
}
main .hover\:bg-blue-700:hover {
    background-color: var(--brand-accent-hover) !important;
}

/* Remove Tailwind's default shadows and rings on buttons */
main .shadow-md:not(.pricing-card):not(.feature-card) {
    box-shadow: var(--shadow-sm) !important;
}

/* Text color overrides for consistency */
main .text-blue-600:not(a):not(button):not(#startChatBtn):not([class*="nav"]) {
    color: var(--brand-accent) !important;
}
main .text-indigo-600:not(a):not(button) {
    color: var(--brand-accent) !important;
}

/* Green checkmarks stay green */
main .text-green-600 { color: #16a34a !important; }
main .text-green-500 { color: #22c55e !important; }

/* Softer borders everywhere */
main .border-slate-200 { border-color: var(--border-light) !important; }
main .border-slate-100 { border-color: var(--border-light) !important; }

/* Override bg-slate-50 */
.border-y.border-slate-100 { border-color: var(--border-light) !important; }

/* Consistent rounded corners on landing cards */
main .rounded-2xl {
    border-radius: var(--radius-xl) !important;
}

/* Badge and pill overrides */
main .rounded-full.border.bg-white {
    background: var(--surface-0) !important;
    border-color: var(--border-light) !important;
    box-shadow: var(--shadow-xs);
}

/* Green dot pulse — more subtle */
main .animate-pulse {
    animation: statusPulse 2.5s ease-in-out infinite !important;
}

/* Table styling */
main table th { font-weight: 500; }
main table td, main table th { font-size: 13px; }

/* Comparison table */
main .overflow-x-auto { border-radius: var(--radius-lg) !important; }
main .overflow-x-auto table { border-collapse: collapse; }


/* ================================================================
   PREMIUM SAAS FINAL POLISH — Notion × Linear × Stripe
   Deep overrides for all remaining colored elements
   ================================================================ */

/* --- GLOBAL: Force all bg-blue/indigo/purple variants to accent --- */
main .bg-blue-600,
main .bg-indigo-600,
main .bg-purple-600 {
    background-color: var(--brand-accent) !important;
}
main .hover\:bg-blue-700:hover,
main .hover\:bg-indigo-700:hover,
main .hover\:bg-purple-700:hover {
    background-color: var(--brand-accent-hover) !important;
}

/* --- Feature icon backgrounds: soft aqua tint --- */
main .bg-blue-50,
main .bg-indigo-50 {
    background-color: var(--brand-accent-light) !important;
}
main .bg-green-50,
main .bg-amber-50 {
    background-color: var(--surface-2) !important;
}
main .bg-blue-100,
main .bg-indigo-100 {
    background-color: var(--brand-accent-muted) !important;
}

/* --- Feature icon text colors: accent aqua-green --- */
main .text-blue-600,
main .text-indigo-600,
main .text-blue-500,
main .text-indigo-500 {
    color: var(--brand-accent) !important;
}
main .text-amber-600,
main .text-amber-500 {
    color: var(--text-secondary) !important;
}

/* --- Colored borders on cards become light aqua --- */
main .border-blue-100,
main .border-indigo-100,
main .border-blue-200,
main .border-indigo-200,
main .border-blue-300,
main .border-indigo-300 {
    border-color: rgba(46, 196, 182, 0.2) !important;
}
main .border-green-200,
main .border-green-100 {
    border-color: var(--border-light) !important;
}
main .hover\:border-blue-200:hover,
main .hover\:border-blue-300:hover,
main .hover\:border-indigo-200:hover,
main .hover\:border-indigo-300:hover,
main .hover\:border-green-200:hover {
    border-color: var(--border-medium) !important;
}

/* --- Checkmarks: unified brand accent instead of colored --- */
main section ul li span.text-blue-600,
main section ul li span.text-indigo-600 {
    color: var(--brand-accent) !important;
}

/* --- Quote boxes in feature cards → neutral --- */
main .bg-blue-50\/50,
main .bg-indigo-50\/50,
main [class*="bg-blue-50/50"],
main [class*="bg-indigo-50/50"] {
    background-color: var(--surface-1) !important;
}
main .border-blue-50,
main .border-indigo-50 {
    border-color: var(--border-light) !important;
}
main p.text-blue-600.text-xs.font-medium.italic,
main p.text-indigo-600.text-xs.font-medium.italic {
    color: var(--text-tertiary) !important;
}

/* --- "Disponible" badge: neutral instead of green --- */
main .bg-green-50.text-green-700 {
    background: var(--surface-2) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-light) !important;
}
main .bg-green-50.text-green-700 .bg-green-500 {
    background: #22c55e !important; /* Keep the actual status dot green */
}
main .bg-green-50 {
    background: var(--surface-2) !important;
}
main .text-green-700:not(.status-online):not([class*="bg-green"]) {
    color: var(--text-secondary) !important;
}

/* --- Phone mock voice wave bars: neutral whites instead of blue --- */
#habla-con-sofia .bg-blue-400,
#habla-con-sofia .bg-blue-500,
#habla-con-sofia .bg-indigo-400 {
    background-color: rgba(255, 255, 255, 0.35) !important;
}

/* --- Phone mock ping rings: neutral instead of blue --- */
#habla-con-sofia .border-blue-500\/30,
#habla-con-sofia .border-blue-400\/20,
#habla-con-sofia .border-blue-300\/10,
#habla-con-sofia [class*="border-blue-500/50"],
#habla-con-sofia [class*="border-blue-400/20"],
#habla-con-sofia [class*="border-blue-300/10"] {
    border-color: rgba(255, 255, 255, 0.15) !important;
}
#habla-con-sofia img.border-3 {
    border-color: rgba(255, 255, 255, 0.25) !important;
}

/* --- Phone mock chat bubbles: neutral overlay --- */
#habla-con-sofia .bg-blue-500\/20,
#habla-con-sofia [class*="bg-blue-500/20"] {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

/* --- Footer: hover colors neutral instead of blue --- */
footer a.hover\:text-blue-400:hover,
footer a[class*="hover:text-blue-400"]:hover {
    color: rgba(255, 255, 255, 0.85) !important;
}
footer a { transition: color var(--duration-fast) ease; }

/* --- WhatsApp button: more subtle, professional --- */
#whatsappFloat {
    background: #25D366 !important;
    box-shadow: var(--shadow-lg) !important;
    width: 48px !important;
    height: 48px !important;
    bottom: 24px !important;
    right: 24px !important;
    transition: all var(--duration-normal) var(--ease-out) !important;
}
#whatsappFloat:hover {
    background: #128C7E !important;
    transform: scale(1.05) !important;
    box-shadow: var(--shadow-xl) !important;
}
#whatsappFloat i {
    font-size: 1.25rem !important;
}

/* --- Powered-by banner: subtle light --- */
#poweredByBanner {
    background: var(--surface-2) !important;
    border-radius: var(--radius-lg) !important;
    height: 36px !important;
}
.powered-banner-item {
    color: var(--text-muted) !important;
}
span.powered-banner-item.text-white {
    color: var(--text-secondary) !important;
}

/* --- "En desarrollo" badge: neutral --- */
main .bg-green-50.text-green-700.border-green-100 {
    background: var(--surface-2) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-light) !important;
}

/* --- Scale hover effect: more subtle on all cards --- */
main .hover\:scale-105:hover {
    transform: scale(1.01) translateY(-2px) !important;
}
main .group:hover .group-hover\:scale-110 {
    transform: scale(1.04) !important;
}

/* --- Landing section color consistency --- */
main .text-slate-900 { color: var(--text-primary) !important; }
main .text-slate-800 { color: var(--text-primary) !important; }
main .text-slate-700 { color: var(--text-secondary) !important; }
main .text-slate-500 { color: var(--text-tertiary) !important; }
main .text-slate-400 { color: var(--text-muted) !important; }
main .text-slate-300 { color: var(--text-muted) !important; }

/* --- Pricing card "Popular" badge override --- */
main .bg-blue-600.text-white.text-xs {
    background: var(--brand-accent) !important;
}

/* --- Content block cards in chat: enhanced styling --- */
.chat-msg-assistant .message-content .generated-content-card,
.chat-msg-assistant .message-content table {
    background: var(--surface-1);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}
.chat-msg-assistant .message-content table {
    width: 100%;
    border-spacing: 0;
    margin: 12px 0;
}
.chat-msg-assistant .message-content table th {
    background: var(--surface-2);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}
.chat-msg-assistant .message-content table td {
    padding: 10px 14px;
    font-size: 13.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}
.chat-msg-assistant .message-content table tr:last-child td {
    border-bottom: none;
}
.chat-msg-assistant .message-content code {
    background: var(--surface-2);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-size: 13px;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    color: var(--text-primary);
}
.chat-msg-assistant .message-content pre {
    background: var(--surface-1);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 16px;
    margin: 12px 0;
    overflow-x: auto;
}
.chat-msg-assistant .message-content pre code {
    background: none;
    border: none;
    padding: 0;
}
.chat-msg-assistant .message-content blockquote {
    border-left: 3px solid var(--border-medium);
    padding: 8px 16px;
    margin: 12px 0;
    background: var(--surface-1);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--text-tertiary);
    font-style: italic;
}
.chat-msg-assistant .message-content h1,
.chat-msg-assistant .message-content h2,
.chat-msg-assistant .message-content h3,
.chat-msg-assistant .message-content h4 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 20px 0 8px;
    line-height: 1.3;
}
.chat-msg-assistant .message-content h1 { font-size: 20px; }
.chat-msg-assistant .message-content h2 { font-size: 17px; }
.chat-msg-assistant .message-content h3 { font-size: 15px; }
.chat-msg-assistant .message-content h4 { font-size: 14px; }
.chat-msg-assistant .message-content a {
    color: var(--brand-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--duration-fast) ease;
}
.chat-msg-assistant .message-content a:hover {
    border-bottom-color: var(--brand-accent);
}
.chat-msg-assistant .message-content hr {
    border: none;
    height: 1px;
    background: var(--border-light);
    margin: 20px 0;
}

/* --- Image artifacts in chat: clean card style --- */
.chat-msg-assistant .message-content img {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    max-width: 100%;
    margin: 8px 0;
    transition: box-shadow var(--duration-fast) ease;
}
.chat-msg-assistant .message-content img:hover {
    box-shadow: var(--shadow-card-hover);
}

/* --- Micro-interaction: smooth page transitions --- */
.chat-modal-fullscreen {
    transition: opacity var(--duration-slow) var(--ease-out);
}
.chat-modal-fullscreen:not(.hidden) {
    animation: fadeIn var(--duration-slow) var(--ease-out);
}

/* --- Sidebar open/close: smoother animation --- */
@media (max-width: 768px) {
    .chat-sidebar {
        transition: transform var(--duration-slow) var(--ease-out),
                    opacity var(--duration-normal) ease,
                    box-shadow var(--duration-normal) ease;
    }
}

/* --- Button press feedback --- */
.btn-primary:active,
.btn-secondary:active,
.chat-sidebar-footer-btn:active,
.chat-sidebar-item:active,
.chat-sidebar-new-btn:active {
    transform: scale(0.98);
}

/* --- Smooth scroll for entire page --- */
html { scroll-behavior: smooth; }

/* --- Focus ring for chat sidebar items --- */
.chat-sidebar-item:focus-visible,
.chat-sidebar-footer-btn:focus-visible {
    outline: 2px solid var(--brand-accent);
    outline-offset: -2px;
    border-radius: var(--radius-sm);
}

/* --- File preview area in chat: cleaner --- */
#filePreview .bg-gray-50 {
    background: var(--surface-1) !important;
}
#filePreview .border-gray-200 {
    border-color: var(--border-light) !important;
}
#filePreview .text-gray-400 {
    color: var(--text-muted) !important;
}

/* --- Upgrade prompt in chat: premium styling --- */
.realtime-upgrade-prompt h3 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.02em;
}
.realtime-upgrade-btn {
    background: var(--brand-accent) !important;
    border: none !important;
    border-radius: var(--radius-lg) !important;
    transition: opacity var(--duration-fast) ease !important;
}
.realtime-upgrade-btn:hover {
    opacity: 0.88 !important;
}
.realtime-dismiss-btn {
    color: var(--text-muted) !important;
    background: transparent !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--duration-fast) ease !important;
}
.realtime-dismiss-btn:hover {
    border-color: var(--border-medium) !important;
    color: var(--text-secondary) !important;
}

/* --- Login/Register modals: consistent with design system --- */
#registerModal input:focus,
#loginModal input:focus,
#registerModal select:focus,
#loginModal select:focus {
    border-color: var(--brand-accent) !important;
    box-shadow: 0 0 0 1px var(--brand-accent) !important;
    outline: none !important;
}

/* --- Pricing section: all button colors unified --- */
/* Let plan buttons keep their Tailwind accent colors */
#planes .border-blue-200 {
    border-color: var(--brand-accent) !important;
}

/* --- FAQ section: clean accordion styling --- */
#faq details {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}
#faq details[open] {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-sm);
}
#faq summary {
    cursor: pointer;
    user-select: none;
    transition: color var(--duration-fast) ease;
}
#faq summary:hover {
    color: var(--text-primary) !important;
}

/* --- Contact modal: consistent button styling --- */
main .bg-blue-600[onclick*="contacto"],
main button[onclick*="contact"] {
    background: var(--brand-accent) !important;
}

/* --- Subtle page load animation --- */
@keyframes pageContentLoad {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}
main > section {
    animation: pageContentLoad 0.4s var(--ease-out) backwards;
}
main > section:nth-child(2) { animation-delay: 0.05s; }
main > section:nth-child(3) { animation-delay: 0.1s; }
main > section:nth-child(4) { animation-delay: 0.15s; }

/* --- Chat empty state enhancement --- */
.chat-messages-area:empty::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    min-height: 200px;
}

/* --- Smooth resize for textarea --- */
#chatInput {
    transition: height var(--duration-fast) ease;
}

/* --- Landing cards: subtle shadow on all white bg cards --- */
main .bg-white.shadow-sm {
    box-shadow: var(--shadow-card) !important;
}
main .bg-white.shadow-sm:hover,
main .bg-white.hover\:shadow-md:hover,
main .bg-white.hover\:shadow-lg:hover {
    box-shadow: var(--shadow-card-hover) !important;
}

/* --- Override any remaining bg-green-500 (WhatsApp button context) --- */
#whatsappFloat.bg-green-500 {
    background: #25D366 !important;
}
#whatsappFloat.hover\:bg-green-600:hover {
    background: #128C7E !important;
}

/* --- Credit pack buttons in pricing --- */
main button.bg-blue-600.text-white,
main button[class*="bg-blue-600"] {
    background: var(--brand-accent) !important;
}
main button.bg-blue-600.text-white:hover,
main button[class*="bg-blue-600"]:hover {
    background: var(--brand-accent-hover) !important;
}

/* --- Contact form submit button --- */
main .bg-blue-600.text-white.py-2\.5 {
    background: var(--brand-accent) !important;
}

/* --- "Hablar con Sofia Ahora" CTA in voice section --- */
#habla-con-sofia .bg-blue-600 {
    background: var(--brand-accent) !important;
}
#habla-con-sofia .hover\:bg-blue-700:hover {
    background: var(--brand-accent-hover) !important;
}

/* --- Artifacts panel: consistent design --- */
#artifactsPanel {
    background: var(--surface-0) !important;
}
#artifactsPanelContent {
    background: var(--surface-0);
}

/* --- Onboarding feature icon backgrounds: inherit design system --- */
.onboard-feature-icon[style*="background:var(--surface-2)"] {
    border: 1px solid var(--border-light);
}

/* --- Cookie consent: align with design system --- */
.cookie-consent-banner {
    border-top: 1px solid var(--border-light) !important;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.06) !important;
}

/* --- Global smooth transitions for interactive elements --- */
a, button, input, textarea, select, details, summary {
    transition-timing-function: var(--ease-out);
}

/* --- Prevent layout shift: fix Tailwind animate-ping on voice section --- */
#habla-con-sofia .animate-ping {
    animation: statusPulse 2.5s ease-in-out infinite !important;
    opacity: 0.15;
}

/* ===== HERO CHAT SHOWCASE (rotating scenes) ===== */
.hero-chat-scene {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}
.hero-chat-scene.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.hero-msg-user {
    background: var(--surface-1);
    border: 1px solid var(--border-light);
    border-radius: 10px 10px 4px 10px;
    padding: 10px 14px;
    max-width: 78%;
}
.hero-msg-user p {
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-primary);
}
.hero-msg-sofia {
    background: var(--surface-1);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 10px 14px;
    max-width: 88%;
}
.hero-msg-sofia p {
    font-size: 13px;
    line-height: 1.55;
    color: var(--text-secondary);
}
.hero-msg-sofia strong {
    color: var(--text-primary);
}
.hero-result-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 600;
}
.hero-scene-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    cursor: pointer;
    transition: all 0.3s ease;
}
.hero-scene-dot.active {
    background: #fff;
    width: 18px;
    border-radius: 3px;
}
.hero-scene-dot:hover {
    background: rgba(255,255,255,0.6);
}

/* --- Mobile landing: tighter spacing --- */
@media (max-width: 768px) {
    main > section { padding-top: 3rem; padding-bottom: 3rem; }
    main .grid.gap-6 { gap: 1rem; }
    main .grid.gap-8 { gap: 1.5rem; }
    main h2.text-3xl { font-size: 1.75rem !important; }
    main h2.text-4xl { font-size: 2rem !important; }
    
    /* WhatsApp button: smaller on mobile */
    #whatsappFloat {
        width: 44px !important;
        height: 44px !important;
        bottom: 16px !important;
        right: 16px !important;
    }
}