/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
  /* Dark theme - OpenClaw style */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-secondary: #8a8a9a;
  --border-color: rgba(255, 255, 255, 0.08);
  --shadow-color: rgba(0, 0, 0, 0.5);
  --gradient-1: #e63946;
  --gradient-2: #ff6b6b;
  --gradient-3: #ff8585;
  --accent: #e63946;
  --accent-green: #4ade80;
}

[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-card: rgba(0, 0, 0, 0.02);
  --bg-card-hover: rgba(0, 0, 0, 0.05);
  --text-primary: #1a1a2e;
  --text-secondary: #666680;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-color: rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

/* ============================================
   Background Animation
   ============================================ */
.background-orbs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s infinite ease-in-out;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  top: -200px;
  left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: linear-gradient(135deg, var(--gradient-2), var(--gradient-3));
  bottom: -150px;
  right: -100px;
  animation-delay: -5s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, var(--gradient-3), var(--gradient-1));
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(50px, -30px) scale(1.05);
  }

  50% {
    transform: translate(-30px, 50px) scale(0.95);
  }

  75% {
    transform: translate(-50px, -20px) scale(1.02);
  }
}

[data-theme="light"] .orb {
  opacity: 0.3;
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================
   Header
   ============================================ */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.time-display {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Search Box */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  pointer-events: none;
}

.search-box input {
  width: 280px;
  padding: 12px 16px 12px 48px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
}

.search-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.search-box input::placeholder {
  color: var(--text-secondary);
}

/* Theme Toggle */
.theme-toggle {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  transform: scale(1.05);
}

.theme-icon {
  font-size: 1.4rem;
}

/* ============================================
   Main Content - Bookmark Categories
   ============================================ */
.main-content {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  align-content: start;
}

/* Category Card */
.category {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: all 0.3s ease;
}

.category:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px var(--shadow-color);
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}

.category-header:hover {
  background: var(--bg-card-hover);
}

.category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.1rem;
  font-weight: 600;
}

.category-icon {
  font-size: 1.5rem;
}

.category-count {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 4px 10px;
  background: var(--bg-secondary);
  border-radius: 20px;
}

.category-toggle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.category.collapsed .category-toggle {
  transform: rotate(-90deg);
}

/* Bookmark Links */
.bookmark-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  padding: 0 20px 20px;
  max-height: 500px;
  overflow-y: auto;
  transition: max-height 0.3s ease, padding 0.3s ease, opacity 0.3s ease;
}

.category.collapsed .bookmark-list {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  overflow: hidden;
}

.bookmark-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.bookmark-item:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px var(--shadow-color);
}

.bookmark-favicon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
  background: var(--bg-card);
}

.bookmark-name {
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.3;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hidden state for search filtering */
.bookmark-item.hidden,
.category.hidden {
  display: none;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  margin-top: 32px;
  padding: 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .header {
    padding: 16px;
    border-radius: 16px;
  }

  .header-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .logo {
    font-size: 1.5rem;
  }

  .search-box input {
    width: 200px;
  }

  .main-content {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .bookmark-list {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
  }

  .bookmark-item {
    padding: 12px 8px;
  }

  .bookmark-name {
    font-size: 0.8rem;
  }
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

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

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.category {
  animation: fadeIn 0.4s ease forwards;
}

.category:nth-child(1) {
  animation-delay: 0s;
}

.category:nth-child(2) {
  animation-delay: 0.1s;
}

.category:nth-child(3) {
  animation-delay: 0.2s;
}

.category:nth-child(4) {
  animation-delay: 0.3s;
}

.category:nth-child(5) {
  animation-delay: 0.4s;
}

.category:nth-child(6) {
  animation-delay: 0.5s;
}

/* ============================================
   Icon Buttons
   ============================================ */
.icon-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background: var(--bg-card-hover);
  transform: scale(1.05);
}

/* ============================================
   Modal Overlay & Dialog
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.3rem;
  font-weight: 600;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
}

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

.modal-body {
  padding: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
}

/* Form */
.form-group {
  margin-bottom: 20px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  outline: none;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-group input::placeholder {
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  padding: 12px 24px;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: 500;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
}

.btn-full {
  width: 100%;
  margin-bottom: 12px;
}

.btn-full:last-child {
  margin-bottom: 0;
}

.manage-buttons {
  display: flex;
  flex-direction: column;
}

/* ============================================
   Context Menu (Right-click)
   ============================================ */
.context-menu {
  position: fixed;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 8px;
  min-width: 150px;
  box-shadow: 0 10px 40px var(--shadow-color);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.95);
  transition: all 0.15s ease;
}

.context-menu.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.2s ease;
  text-align: left;
}

.context-menu-item:hover {
  background: var(--bg-card-hover);
}