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

:root {
  /* Dark theme variables (default) */
  --bg-base: #060813;
  --bg-surface: rgba(13, 16, 32, 0.6);
  --bg-surface-solid: #0d1020;
  --bg-card: rgba(22, 28, 54, 0.4);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-rgb: 99, 102, 241;
  --accent: #14b8a6;
  --accent-hover: #0d9488;
  --accent-rgb: 20, 184, 166;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);
  --glow-color: rgba(99, 102, 241, 0.15);
  --glass-blur: 16px;
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glow-shadow: 0 0 30px rgba(99, 102, 241, 0.25);
}

body.light-theme {
  /* Light theme overrides */
  --bg-base: #f8fafc;
  --bg-surface: rgba(255, 255, 255, 0.7);
  --bg-surface-solid: #ffffff;
  --bg-card: rgba(241, 245, 249, 0.5);
  --text-main: #0f172a;
  --text-muted: #64748b;
  --primary: #4f46e5;
  --primary-hover: #3730a3;
  --primary-rgb: 79, 70, 229;
  --accent: #0d9488;
  --accent-hover: #115e59;
  --accent-rgb: 13, 148, 136;
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.18);
  --glow-color: rgba(79, 70, 229, 0.08);
  --card-shadow: 0 8px 32px 0 rgba(148, 163, 184, 0.15);
  --glow-shadow: 0 0 25px rgba(79, 70, 229, 0.12);
}

/* Base resets & typography */
body {
  background-color: var(--bg-base);
  color: var(--text-main);
  font-family: var(--font-family);
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.3s ease;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Background elements */
.ambient-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--primary-rgb), 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(40px);
}

.ambient-glow-1 {
  top: -100px;
  right: -100px;
}

.ambient-glow-2 {
  bottom: 10%;
  left: -200px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.08) 0%, rgba(0, 0, 0, 0) 70%);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 99px;
  border: 2px solid var(--bg-base);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Custom layout container spacing */
.portal-container {
  padding-top: 100px;
  padding-bottom: 100px;
}

/* Header & branding */
.navbar-brand-custom {
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.navbar-brand-custom .brand-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.brand-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.navbar-brand-custom:hover .brand-logo-img {
  transform: translateY(-1px) scale(1.05);
}

/* Premium Glassmorphic Cards */
.glass-card {
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: var(--border-hover);
}

/* Document Reading Section */
.doc-viewer-wrapper {
  position: relative;
}

.doc-toc {
  position: sticky;
  top: 100px;
}

.toc-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.25rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  border-left: 2px solid var(--border-color);
  transition: var(--transition-smooth);
  font-size: 0.9rem;
}

.toc-link:hover {
  color: var(--primary);
  border-left-color: rgba(var(--primary-rgb), 0.4);
  background: rgba(var(--primary-rgb), 0.03);
}

.toc-link.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.06);
  font-weight: 600;
}

.doc-content-box {
  max-height: 60vh;
  overflow-y: auto;
  padding-right: 1.5rem;
  border-radius: 12px;
}

.doc-section {
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px dashed var(--border-color);
}

.doc-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* Document content elements formatting */
.agreement-body {
  font-size: 0.95rem;
  color: var(--text-main);
}

.agreement-body p, .agreement-body li {
  margin-bottom: 1rem;
}

.agreement-body ul {
  padding-left: 1.25rem;
  margin-bottom: 1.5rem;
}

.agreement-body li::marker {
  color: var(--accent);
}

.agreement-body h3 {
  font-size: 1.25rem;
  margin-top: 1.75rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.agreement-body h4 {
  font-size: 1.05rem;
  margin-top: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

.agreement-body strong {
  color: var(--text-main);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 50px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  color: var(--primary);
}

/* Progress indicator bar */
.progress-bar-container {
  height: 4px;
  width: 100%;
  background: var(--border-color);
  border-radius: 2px;
  margin-bottom: 2.5rem;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.1s ease-out;
}

/* Document Switcher Tabs Styling */
.doc-tabs-nav {
  display: flex;
  gap: 0.5rem;
  background: var(--bg-card);
  padding: 0.25rem;
  border-radius: 50px;
  border: 1px solid var(--border-color);
  width: fit-content;
  margin: 0 auto 2.5rem auto;
}

.doc-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.doc-tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.35);
}

body.light-theme .doc-tab-btn.active {
  color: #ffffff;
}

/* Footer styling */
footer {
  border-top: 1px solid var(--border-color);
  margin-top: 5rem;
  padding: 2.5rem 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 767.98px) {
  .doc-toc {
    position: static;
    margin-bottom: 2rem;
  }
  .doc-content-box {
    max-height: none;
  }
}

/* Custom white text styling overrides */
.text-hero-subtitle, .text-read-indicator, .text-agreement-title {
  color: #ffffff !important;
  transition: var(--transition-smooth);
}

body.light-theme .text-hero-subtitle,
body.light-theme .text-read-indicator,
body.light-theme .text-agreement-title {
  color: var(--text-muted) !important;
}