/**
 * BitChin - Premium Light Theme (Stripe/Linear/Apple Aesthetic)
 * High-Performance Smooth Stylesheet
 */

:root {
  --bg-color: #f9fafb;
  --panel-bg: rgba(255, 255, 255, 0.9);
  --border-color: rgba(17, 24, 39, 0.08);
  --border-hover: rgba(17, 24, 39, 0.15);
  --text-primary: #111827; /* Charcoal black */
  --text-secondary: #4b5563; /* Slate grey */
  --text-muted: #9ca3af; /* Light grey */
  --accent-blue: #2563eb; /* Electric Blue */
  --accent-purple: #7c3aed; /* Deep Violet */
  --accent-cyan: #0d9488; /* Teal */
  --accent-green: #10b981; /* Emerald */
  --accent-red: #ef4444; /* Coral Red */
  
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-display: Segoe UI, -apple-system, -apple-system, sans-serif;
  --font-mono: Consolas, monospace;
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* ==================== RESET & BASE LAYOUT ==================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 13.5px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Performance optimization: lightweight static gradients reduce repaints */
.space-bg-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -2;
  pointer-events: none;
  background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.04) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.04) 0%, transparent 45%),
              radial-gradient(circle at 50% 50%, rgba(13, 148, 136, 0.03) 0%, transparent 50%),
              #f9fafb;
}

.bg-grid-dots {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(17, 24, 39, 0.02) 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  pointer-events: none;
}

/* ==================== TYPOGRAPHY & LAYOUTS ==================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  height: 64px;
  display: flex;
  align-items: center;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-item {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
}

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

.nav-item.active {
  color: var(--accent-blue);
  font-weight: 600;
}

.nav-item.active::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background-color: var(--accent-blue);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* General Buttons */
.btn-primary {
  background-color: var(--text-primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  background-color: #1f2937;
  transform: translateY(-0.5px);
}

.btn-secondary {
  background-color: white;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background-color: #f9fafb;
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.btn-key-nav {
  padding: 6px 12px;
  font-size: 11.5px;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.btn-key-nav:hover {
  background-color: #f3f4f6;
  color: var(--text-primary);
}

/* User Account Menu */
.header-user-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background-color: white;
}

.header-avatar {
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-weight: 700;
}

.header-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 160px;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 4px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  display: none;
  flex-direction: column;
}

.header-dropdown-menu.show {
  display: flex;
}

.dropdown-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  border-radius: 6px;
}

.dropdown-link:hover {
  background-color: #f3f4f6;
  color: var(--text-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: 4px 0;
}

/* ==================== HERO SECTION ==================== */
.hero-section {
  padding: 60px 0 32px 0;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 30px;
  background-color: rgba(37, 99, 235, 0.05);
  border: 1px solid rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: -1.2px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, #111827 30%, #4b5563 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-accent {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 14.5px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 24px auto;
  line-height: 1.5;
}

/* ==================== KIMI/QWEN HOMEPAGE CHATBOX SANDBOX ==================== */
.home-chat-section {
  margin-bottom: 56px;
}

.home-chat-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Sandbox header */
.home-chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background-color: #f9fafb;
  border-bottom: 1px solid var(--border-color);
}

.home-chat-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 12.5px;
}

.home-chat-header-left i {
  color: var(--accent-blue);
}

/* Model selector */
.home-chat-select-wrapper {
  position: relative;
}

.home-chat-select {
  appearance: none;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 28px 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  transition: var(--transition-smooth);
}

.home-chat-select:hover {
  border-color: var(--border-hover);
}

.home-chat-select-wrapper::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 10px;
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-secondary);
}

/* Chat display window */
.home-chat-window {
  height: 280px;
  overflow-y: auto;
  padding: 20px;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-behavior: smooth;
}

.chat-bubble-row {
  display: flex;
  width: 100%;
}

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

.chat-bubble-row.assistant {
  justify-content: flex-start;
}

.home-chat-bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 12.5px;
  line-height: 1.5;
}

.chat-bubble-row.user .home-chat-bubble {
  background-color: var(--text-primary);
  color: white;
  border-bottom-right-radius: 2px;
}

.chat-bubble-row.assistant .home-chat-bubble {
  background-color: #f3f4f6;
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
}

/* Preset quick prompt suggestions */
.home-chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 20px 12px 20px;
  background-color: white;
}

.suggestion-pill {
  font-size: 11.5px;
  padding: 6px 12px;
  background-color: #f3f4f6;
  color: var(--text-secondary);
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.suggestion-pill:hover {
  background-color: var(--text-primary);
  color: white;
}

/* Input bottom composer */
.home-chat-composer {
  padding: 14px 20px;
  background-color: #f9fafb;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.home-chat-textarea {
  flex-grow: 1;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12.5px;
  outline: none;
  resize: none;
  height: 40px;
  font-family: inherit;
  transition: var(--transition-smooth);
}

.home-chat-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.08);
}

.home-chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background-color: var(--text-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: var(--transition-smooth);
}

.home-chat-send-btn:hover {
  background-color: #1f2937;
  transform: scale(1.02);
}

.home-chat-send-btn:disabled {
  background-color: #e5e7eb;
  color: #9ca3af;
  cursor: not-allowed;
}

/* Metadata box */
.home-chat-meta-bar {
  display: flex;
  justify-content: space-between;
  padding: 8px 20px;
  background-color: #f9fafb;
  border-top: 1px solid var(--border-color);
  font-size: 10.5px;
  color: var(--text-muted);
}

.home-chat-meta-item span {
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-secondary);
}

/* ==================== STATS BANNER ==================== */
.stats-banner {
  background-color: white;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
  margin-bottom: 56px;
}

.stats-banner-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
}

.banner-item {
  text-align: center;
  border-right: 1px solid var(--border-color);
}

.banner-item:last-child {
  border-right: none;
}

.banner-item-label {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.banner-item-val {
  font-size: 18px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

/* ==================== MODEL CATALOG GRID ==================== */
.models-main-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  margin-bottom: 80px;
}

.sidebar-filters {
  position: sticky;
  top: 90px;
  height: fit-content;
}

.filter-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.filter-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-secondary);
}

.filter-label:hover {
  color: var(--text-primary);
}

.filter-checkbox {
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.search-wrapper {
  width: 100%;
  margin-bottom: 20px;
}

.search-input {
  width: 100%;
  background-color: white;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 12.5px;
  outline: none;
  transition: var(--transition-smooth);
}

.search-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.05);
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* Premium Model Card */
.model-spec-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 160px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.model-spec-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 6px;
}

.card-model-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.provider-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  background-color: #f3f4f6;
  color: var(--text-secondary);
}

.card-meta-row {
  display: flex;
  gap: 6px;
  font-size: 10.5px;
  color: var(--text-muted);
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 12px;
}

.card-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(17, 24, 39, 0.04);
  padding-top: 10px;
}

.card-price-display {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-green);
  font-weight: 600;
}

.card-speed-display {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==================== PLAYGROUND WORKSPACE (Unified centered panel) ==================== */
.playground-container-panel {
  max-width: var(--max-width);
  margin: 32px auto;
  border: 1px solid var(--border-color);
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.01);
  display: grid;
  grid-template-columns: 260px 1fr;
  height: calc(100vh - 140px);
  min-height: 500px;
  overflow: hidden;
}

.playground-sidebar {
  background-color: #f9fafb;
  border-right: 1px solid var(--border-color);
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.playground-main {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: white;
}

.play-header-selector {
  height: 52px;
  border-bottom: 1px solid var(--border-color);
  background-color: #f9fafb;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dropdown-multi-select {
  position: relative;
  width: 280px;
}

.dropdown-box-trigger {
  width: 100%;
  background-color: white;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.model-dropdown-menu {
  position: absolute;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  max-height: 240px;
  overflow-y: auto;
  z-index: 200;
  display: none;
}

.model-dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  cursor: pointer;
  border-radius: 6px;
}

.dropdown-item:hover {
  background-color: #f3f4f6;
}

.dropdown-item-info {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.dropdown-checkbox {
  width: 14px;
  height: 14px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
}

.dropdown-item.selected .dropdown-checkbox {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: white;
}

.model-tag {
  background-color: #f3f4f6;
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
}

/* Arena Grid columns */
.chat-arena-columns {
  flex-grow: 1;
  display: flex;
  overflow-x: auto;
  padding: 16px;
  gap: 16px;
  background-color: #f3f4f6;
}

.chat-arena-column {
  flex: 1;
  min-width: 260px;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-arena-col-header {
  height: 44px;
  background-color: #f9fafb;
  border-bottom: 1px solid var(--border-color);
  padding: 0 14px;
  display: flex;
  align-items: center;
}

.col-model-name {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 12px;
}

.chat-logs-container {
  flex-grow: 1;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-message {
  display: flex;
  flex-direction: column;
}

.chat-message.user {
  align-items: flex-end;
}

.chat-message.assistant {
  align-items: flex-start;
}

.chat-message .chat-bubble {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.5;
}

.chat-message.user .chat-bubble {
  background-color: var(--text-primary);
  color: white;
  border-bottom-right-radius: 2px;
}

.chat-message.assistant .chat-bubble {
  background-color: #f3f4f6;
  color: var(--text-primary);
  border-bottom-left-radius: 2px;
}

.think-block {
  background-color: rgba(17, 24, 39, 0.03);
  border-left: 2.5px solid var(--text-muted);
  padding: 6px 8px;
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.think-block-title {
  font-weight: 700;
  font-size: 9.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.message-meta-box {
  background: none;
  border: none;
  color: var(--accent-blue);
  font-size: 9.5px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
  align-self: flex-end;
}

.message-meta-box:hover {
  text-decoration: underline;
}

/* Chat Input bar */
.chat-input-row {
  padding: 14px 20px;
  background-color: #f9fafb;
  border-top: 1px solid var(--border-color);
}

.play-textarea-wrapper {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: white;
  overflow: hidden;
}

.play-textarea-wrapper textarea {
  border: none;
  background-color: white;
  padding: 10px 12px;
  resize: none;
  height: 48px;
  outline: none;
  font-size: 12.5px;
  font-family: inherit;
}

.play-input-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  border-top: 1px solid rgba(17, 24, 39, 0.03);
  background-color: #f9fafb;
}

/* ==================== DOCS WORKSPACE ==================== */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  margin-top: 32px;
  margin-bottom: 80px;
}

.docs-sidebar {
  background: none;
  border-right: none;
  padding: 0;
}

.docs-sidebar-section {
  margin-bottom: 20px;
}

.docs-sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.docs-sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.docs-sidebar-item {
  display: block;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.docs-sidebar-item:hover {
  background-color: rgba(17, 24, 39, 0.03);
  color: var(--text-primary);
}

.docs-sidebar-item.active {
  background-color: rgba(37, 99, 235, 0.05);
  color: var(--accent-blue);
  font-weight: 600;
}

.docs-content-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
}

.docs-text-pane h2 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}

.docs-text-pane p {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.docs-text-pane h3 {
  font-size: 14.5px;
  font-weight: 700;
  margin: 24px 0 10px 0;
}

/* Code terminal panel */
.code-terminal {
  background-color: #0f172a;
  border-radius: 8px;
  color: #38bdf8;
  font-family: var(--font-mono);
  font-size: 11.5px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.code-terminal-header {
  background-color: #0b0f19;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.code-tabs {
  display: flex;
  gap: 12px;
}

.code-tab-trigger {
  background: none;
  border: none;
  color: #64748b;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
}

.code-tab-trigger:hover, .code-tab-trigger.active {
  color: white;
}

.code-terminal-body {
  position: relative;
}

.btn-terminal-copy {
  position: absolute;
  top: 10px; right: 10px;
  background-color: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: #94a3b8;
  border-radius: 4px;
  font-size: 9px;
  padding: 3px 6px;
  cursor: pointer;
}

.btn-terminal-copy:hover {
  background-color: rgba(255,255,255,0.15);
  color: white;
}

#docs-code-block code {
  color: #e2e8f0;
}

/* ==================== AUTH PORTAL (Unified single-card) ==================== */
.auth-split-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px);
  padding: 40px 24px;
}

.auth-form-card {
  width: 100%;
  max-width: 400px;
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.auth-tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.auth-tab-btn {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
}

.auth-tab-btn.active {
  color: var(--accent-blue);
}

.auth-tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 2px;
  background-color: var(--accent-blue);
}

.auth-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.auth-form-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.auth-form-input {
  background-color: #f9fafb;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 12.5px;
  outline: none;
  transition: var(--transition-smooth);
}

.auth-form-input:focus {
  border-color: var(--accent-blue);
  background-color: white;
}

.auth-submit-btn {
  width: 100%;
  background-color: var(--text-primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 10px 0;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 8px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: var(--transition-smooth);
}

.auth-submit-btn:hover {
  background-color: #1f2937;
}

.oauth-divider {
  display: flex;
  align-items: center;
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 700;
  margin: 24px 0;
  letter-spacing: 0.5px;
}

.oauth-divider::before, .oauth-divider::after {
  content: "";
  flex-grow: 1;
  height: 1px;
  background-color: var(--border-color);
}

.oauth-divider::before { margin-right: 12px; }
.oauth-divider::after { margin-left: 12px; }

.oauth-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.oauth-btn {
  background-color: white;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 8px 0;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.oauth-btn:hover {
  background-color: #f9fafb;
}

/* ==================== ACTIVITY & BILLING ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.01);
}

.stat-label {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.stat-val {
  font-size: 20px;
  font-weight: 800;
  font-family: var(--font-mono);
  margin-top: 6px;
}

.stat-val.blue { color: var(--accent-blue); }
.stat-val.purple { color: var(--accent-purple); }
.stat-val.green { color: var(--accent-green); }

.benchmark-container {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
}

.benchmark-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.benchmark-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Tables styling */
.models-table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.models-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.models-table th {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  background-color: #f9fafb;
  color: var(--text-muted);
  font-size: 10px;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.models-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
}

/* ==================== GLOBAL MODALS ==================== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(17, 24, 39, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
}

.modal-window {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: #f9fafb;
}

.modal-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  max-height: 70vh;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
  background-color: #f9fafb;
}

/* Toast message notification */
.toast-msg {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--text-primary);
  color: white;
  padding: 10px 18px;
  border-radius: 6px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  z-index: 3000;
}

.toast-msg.show {
  display: flex;
  animation: toastFadeIn 0.3s ease-out;
}

@keyframes toastFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== FOOTER ==================== */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 20px 0;
  background-color: white;
  margin-top: auto;
}

.footer-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--text-muted);
}

@keyframes typingBlink {
  0% { opacity: 0.2; }
  20% { opacity: 1; }
  100% { opacity: 0.2; }
}

/* ==================== ADVANTAGE CARD HOVER ==================== */
.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04) !important;
  border-color: var(--accent-blue) !important;
}