@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #030712;
  --bg-secondary: #080c18;
  --bg-sidebar: #060913;
  --bg-card: #0f172a;
  --bg-card-hover: #1e293b;
  --border-color: #16223f;
  --border-hover: #2b3c60;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  
  --accent-purple: #00b4ff;
  --accent-purple-light: #ffffff;
  --accent-purple-dark: #0052ff;
  --accent-purple-glow: rgba(0, 180, 255, 0.04);
  --accent-purple-glow-heavy: rgba(0, 180, 255, 0.15);
  --accent-rgb: 0, 180, 255;
  
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  
  --font-sans: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --sidebar-width: 300px;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  width: 100vw;
}

::selection {
  background-color: var(--accent-purple-glow-heavy);
  color: white;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* ==========================================
   ANIMASI SCROLL REVEAL (MUNCUL DETEKSI)
   ========================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   LANDING PAGE HEADER & NAVIGATION
   ========================================== */
.site-navigation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: rgba(6, 6, 8, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  width: 30px;
  height: 30px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(var(--accent-rgb), 0.4));
  transition: transform var(--transition-fast);
}

.brand:hover .brand-logo {
  transform: rotate(10deg) scale(1.08);
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-instagram-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  border: 1px solid transparent;
}

.nav-instagram-link:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.08);
}

.nav-btn-secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-btn-secondary:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.nav-btn-primary {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
  color: white;
  text-decoration: none;
  padding: 0.5rem 1.1rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(var(--accent-rgb), 0.2);
}

.nav-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.35);
  filter: brightness(1.08);
}

/* ==========================================
   HERO SECTION & BACKGROUND GLOWS
   ========================================== */
.hero-section {
  padding: 150px 0 90px 0;
  position: relative;
  overflow: hidden;
}

.hero-bg-glows {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.glow-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
  will-change: transform;
}

.circle-one {
  top: -100px;
  right: 15%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.08), transparent 70%);
  animation: float-glow-one 22s infinite ease-in-out;
}
 
.circle-two {
  bottom: 10%;
  left: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.06), transparent 70%);
  opacity: 0.08;
  animation: float-glow-two 28s infinite ease-in-out;
}
 
.circle-three {
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.04), transparent 70%);
  opacity: 0.1;
}

@keyframes float-glow-one {
  0%, 100% { transform: translateY(0) scale(1) rotate(0deg); }
  33% { transform: translateY(-40px) scale(1.15) rotate(120deg); }
  66% { transform: translateY(20px) scale(0.9) rotate(240deg); }
}

@keyframes float-glow-two {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, -30px) scale(1.2); }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  background-color: var(--accent-purple-glow);
  border: 1px solid rgba(var(--accent-rgb), 0.25);
  color: var(--accent-purple-light);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.05);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: #fff;
}

/* Teks Shimmer bersinar */
.shimmer-text {
  background: linear-gradient(
    to right,
    #00b4ff 10%,
    #ffffff 30%,
    #818cf8 50%,
    #00b4ff 70%,
    #ffffff 90%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: text-shimmer-anim 5s linear infinite;
  font-weight: 800;
}

@keyframes text-shimmer-anim {
  to { background-position: 200% center; }
}

.hero-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 2.25rem;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
}

.cta-primary-btn {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
  color: white;
  text-decoration: none;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.25);
}

.cta-primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.4);
  filter: brightness(1.08);
}

.cta-secondary-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cta-secondary-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.02);
}

.hero-preview-container {
  display: flex;
  justify-content: center;
  width: 100%;
}

/* ==========================================
   CONVERSATIONAL UI PREVIEW (AUTO-LOOPING)
   ========================================== */
.preview-chat-window {
  width: 100%;
  max-width: 440px;
  height: 400px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.window-header {
  height: 40px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 1rem;
  position: relative;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.window-dots .dot.red { background-color: var(--danger); opacity: 0.7; }
.window-dots .dot.yellow { background-color: var(--warning); opacity: 0.7; }
.window-dots .dot.green { background-color: var(--success); opacity: 0.7; }

.window-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.preview-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Jendela chat preview */
.preview-message-row {
  display: flex;
  width: 100%;
}

.preview-message-row.user {
  justify-content: flex-end;
}

.preview-message {
  max-width: 85%;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
  line-height: 1.5;
}

.preview-message-row.user .preview-message {
  background-color: var(--accent-purple);
  color: var(--bg-primary);
  border-bottom-right-radius: 2px;
  font-weight: 500;
}

.preview-message-row.assistant .preview-message {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
  width: 100%;
}

/* ==========================================
   INTEGRATION LOGOS SECTION
   ========================================== */
.integrations-section {
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.integrations-title {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.10em;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 1.5rem;
}

.logos-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4rem;
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.logo-item:hover {
  color: var(--text-primary);
}

.logo-item svg {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.logo-item:hover svg {
  color: var(--accent-purple-light);
}

/* ==========================================
   FEATURES SECTION & GLOW CARDS
   ========================================== */
.features-section {
  padding: 100px 0;
}

.features-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem auto;
}

.features-section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.features-section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Mouse hover tracking glow */
.feature-card[data-glow]::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle 220px at var(--mouse-x, 0) var(--mouse-y, 0), rgba(var(--accent-rgb), 0.08), transparent 80%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
  z-index: 1;
}

.feature-card[data-glow]:hover::before {
  opacity: 1;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 1.75rem;
  background-color: rgba(var(--accent-rgb), 0.08);
  width: 48px;
  height: 48px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(var(--accent-rgb), 0.15);
}

.feature-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  position: relative;
  z-index: 2;
}

.feature-card-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  position: relative;
  z-index: 2;
}

.feature-card code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background-color: rgba(255, 255, 255, 0.04);
  padding: 2px 4px;
  border-radius: 4px;
  color: var(--accent-purple-light);
}

/* ==========================================
   PLAYGROUND WORKSPACE CONTAINER
   ========================================== */
.playground-section {
  padding: 80px 0 100px 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.playground-title-block {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
  padding: 0 2rem;
}

.playground-section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.playground-section-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

.playground-frame-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

/* Embedded Workspace Application */
.app-container {
  display: flex;
  width: 100%;
  height: 750px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  position: relative;
}

/* Sidebar (Internal) */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  flex-shrink: 0;
  z-index: 10;
}

.sidebar-section-title-main {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.brand-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 65px;
}

.new-chat-btn {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.new-chat-btn:hover {
  filter: brightness(1.08);
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* History List (Internal) */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 150px;
  overflow-y: auto;
  padding-right: 2px;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  background-color: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-size: 0.85rem;
}

.history-item:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.history-item.active {
  background-color: var(--accent-purple-glow);
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--accent-purple-light);
  font-weight: 500;
}

.history-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  pointer-events: none;
}

.history-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast);
  padding: 1px;
  display: flex;
  align-items: center;
}

.history-item:hover .history-delete {
  opacity: 1;
}

.history-delete:hover {
  color: var(--danger);
}

.history-empty {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
  padding: 0.5rem;
}

/* Settings Sliders (Internal) */
.settings-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.setting-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.setting-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.setting-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-purple-light);
  background-color: rgba(var(--accent-rgb), 0.08);
  padding: 1px 6px;
  border-radius: 4px;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-purple-light);
  cursor: pointer;
  transition: transform var(--transition-fast);
  box-shadow: 0 0 8px var(--accent-purple-glow-heavy);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

/* Mode Selection (Internal) */
.mode-selector {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
}

.mode-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 500;
}

.mode-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background-color: var(--bg-card-hover);
}

.mode-btn.active {
  background-color: var(--accent-purple-glow);
  border-color: var(--accent-purple);
  color: var(--accent-purple-light);
}

.mode-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
  display: inline-block;
}

.mode-btn.active[data-mode="simulated"] .mode-icon { background-color: var(--accent-purple-light); box-shadow: 0 0 8px var(--accent-purple); }
.mode-btn.active[data-mode="direct"] .mode-icon { background-color: var(--warning); box-shadow: 0 0 8px var(--warning); }
.mode-btn.active[data-mode="proxy"] .mode-icon { background-color: var(--success); box-shadow: 0 0 8px var(--success); }

/* Sidebar Footer (Internal) */
.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.footer-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 500;
  width: 100%;
  transition: all var(--transition-fast);
}

.footer-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Chat Main (Internal) */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

/* Chat Header (Internal) */
.chat-header {
  height: 65px;
  border-bottom: 1px solid var(--border-color);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  z-index: 5;
  flex-shrink: 0;
}

.header-model {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.menu-toggle-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

.model-name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
}

.model-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background-color: rgba(255, 255, 255, 0.03);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background-color: var(--bg-card);
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-purple);
  box-shadow: 0 0 8px var(--accent-purple);
}

.status-dot.simulated { background-color: var(--accent-purple-light); box-shadow: 0 0 8px var(--accent-purple); }
.status-dot.direct { background-color: var(--warning); box-shadow: 0 0 8px var(--warning); }
.status-dot.proxy { background-color: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.loading {
  background-color: var(--accent-purple-light);
  animation: pulse-status 1.2s infinite;
}

/* Chat Messages View (Internal) */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

/* Welcome Page (Internal) */
.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  max-width: 650px;
  margin: auto;
  padding: 1rem;
}

.welcome-logo {
  width: 80px;
  height: 80px;
  background: rgba(var(--accent-rgb), 0.03);
  border: 1px solid rgba(var(--accent-rgb), 0.15);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 8px 30px var(--accent-purple-glow);
  padding: 12px;
  transition: border-color var(--transition-fast);
}

.welcome-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), 0.3));
}

.welcome-logo:hover {
  border-color: var(--accent-purple-light);
}

.welcome-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #ffffff, var(--accent-purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.welcome-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.quick-prompts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: 100%;
}

.quick-prompt-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.quick-prompt-card:hover {
  border-color: var(--accent-purple);
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.quick-prompt-title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.15rem;
  color: var(--text-primary);
}

.quick-prompt-desc {
  font-size: 0.8rem;
  line-height: 1.4;
}

/* Chat Messages (Internal) */
.message-row {
  display: flex;
  width: 100%;
}

.message-row.user {
  justify-content: flex-end;
}

.message {
  max-width: 80%;
  border-radius: 12px;
  padding: 0.85rem 1.1rem;
  position: relative;
  font-size: 0.95rem;
}

.message-row.user .message {
  background-color: var(--accent-purple);
  color: var(--bg-primary);
  border-bottom-right-radius: 2px;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.05);
  font-weight: 500;
}

.message-row.assistant .message {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
  width: 100%;
}

/* Reasoning Block (Internal) */
.reasoning-box {
  background-color: rgba(var(--accent-rgb), 0.03);
  border-left: 2px solid var(--accent-purple-light);
  border-radius: 0 6px 6px 0;
  margin-bottom: 0.85rem;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: max-height var(--transition-normal);
}

.reasoning-header {
  padding: 0.45rem 0.75rem;
  background-color: rgba(var(--accent-rgb), 0.06);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-purple-light);
}

.reasoning-header::after {
  content: '▼';
  font-size: 0.6rem;
  transition: transform var(--transition-fast);
}

.reasoning-box.collapsed .reasoning-header::after {
  transform: rotate(-90deg);
}

.reasoning-content {
  padding: 0.65rem 0.75rem;
  white-space: pre-wrap;
  max-height: 180px;
  overflow-y: auto;
  border-top: 1px solid rgba(var(--accent-rgb), 0.08);
}

.reasoning-box.collapsed .reasoning-content {
  display: none;
}

/* Message Content Formatting */
.message-body p {
  margin-bottom: 0.65rem;
}

.message-body p:last-child {
  margin-bottom: 0;
}

.message-body code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 2px 5px;
  border-radius: 4px;
  color: var(--accent-purple-light);
}

.message-body pre {
  margin: 0.85rem 0;
  border-radius: 8px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.message-body pre code {
  display: block;
  padding: 0.85rem 1rem;
  overflow-x: auto;
  background: none;
  color: var(--text-primary);
  font-size: 0.82rem;
  line-height: 1.5;
}

.message-body ul, .message-body ol {
  margin-bottom: 0.65rem;
  padding-left: 1.25rem;
}

.message-body li {
  margin-bottom: 0.2rem;
}

/* Typing indicator anim */
.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 20px;
}

.typing-dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  border-radius: 50%;
  animation: typing-wave 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; }

@keyframes typing-wave {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); background-color: var(--accent-purple-light); }
}

/* Chat Input Container (Internal) */
.input-container {
  padding: 1.25rem 2rem;
  background-color: var(--bg-primary);
  flex-shrink: 0;
  width: 100%;
}

.input-box-wrapper {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.6rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.input-box-wrapper:focus-within {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 2px var(--accent-purple-glow);
}

.input-box-wrapper textarea {
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  resize: none;
  width: 100%;
  min-height: 24px;
  max-height: 120px;
  line-height: 1.5;
}

.input-box-wrapper textarea::placeholder {
  color: var(--text-muted);
}

.input-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 0.4rem;
}

.input-tools {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.tool-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.35rem;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 1.05rem;
  transition: all var(--transition-fast);
}

.tool-btn:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.send-btn {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
  color: white;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.send-btn:hover {
  filter: brightness(1.1);
}

.send-btn:disabled {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

.input-warning-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.4rem;
}

/* ==========================================
   SITE FOOTER
   ========================================== */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 0 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-developer-credit {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.footer-ig-link {
  color: var(--accent-purple-light);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.footer-ig-link:hover {
  color: #f472b6;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-links-grid h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links-grid a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
  transition: color var(--transition-fast);
}

.footer-links-grid a:hover {
  color: var(--accent-purple-light);
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================
   MODAL POPUP STYLES
   ========================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  width: 100%;
  max-width: 680px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

/* Tab Layout inside Modal */
.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1rem;
}

.tab-btn {
  background: none;
  border: none;
  padding: 0.6rem 1.2rem;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-purple-light);
  border-bottom-color: var(--accent-purple);
}

.tab-content {
  display: none;
  position: relative;
}

.tab-content.active {
  display: block;
}

.code-container {
  position: relative;
}

.copy-code-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-code-btn:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 1000;
}

.toast {
  background-color: var(--bg-card);
  border-left: 4px solid var(--accent-purple);
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.75rem 1.25rem;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transform: translateX(120%);
  animation: slide-in 0.35s forwards cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 350px;
}

@keyframes slide-in {
  to { transform: translateX(0); }
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }

/* ==========================================
   RESPONSIVE DESIGN SYSTEM
   ========================================== */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 4rem;
  }
  
  .hero-info {
    align-items: center;
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-ctas {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .site-navigation {
    height: 60px;
  }
  
  .nav-menu {
    display: none; /* Hide standard links in mobile */
  }
  
  .hero-section {
    padding: 100px 0 60px 0;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .cta-primary-btn, .cta-secondary-btn {
    width: 100%;
    text-align: center;
  }
  
  .app-container {
    height: 600px;
    position: relative;
  }
  
  .sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .menu-toggle-btn {
    display: block;
    margin-right: 0.75rem;
  }
  
  .chat-header {
    padding: 0 1rem;
  }
  
  .messages-container {
    padding: 1rem;
  }
  
  .input-container {
    padding: 1rem;
  }
  
  .quick-prompts {
    grid-template-columns: 1fr;
  }
  
  .brand-header {
    padding: 1rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}