@font-face {
  font-family: 'SF Pro';
  src: url('/fonts/SF-Pro.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Cascadia Code', monospace;
  --font-logo: 'SF Pro', -apple-system, BlinkMacSystemFont, sans-serif;

  --bg: #0a0a0a;
  --bg-surface: #111111;
  --bg-elevated: #1a1a1a;
  --text: #e0e0e0;
  --text-muted: #888888;
  --accent: #00cc66;
  --accent-glow: rgba(0, 204, 102, 0.3);
  --border: #333333;
  --border-thick: 3px solid #333333;
  --badge-bg: #1a1a1a;
  --badge-hover: #252525;
  --nav-bg: #0d0d0d;
  --tag-bg: #1a1a1a;
  --tag-active-bg: #00cc66;
  --tag-active-text: #0a0a0a;
  --search-bg: #111111;
  --overlay-bg: rgba(0, 0, 0, 0.85);
}

[data-theme="light"] {
  --bg: #f5f5f0;
  --bg-surface: #eaeae5;
  --bg-elevated: #e0e0db;
  --text: #1a1a1a;
  --text-muted: #666666;
  --accent: #008844;
  --accent-glow: rgba(0, 136, 68, 0.25);
  --border: #cccccc;
  --border-thick: 3px solid #cccccc;
  --badge-bg: #e0e0db;
  --badge-hover: #d5d5d0;
  --nav-bg: #ddddd8;
  --tag-bg: #e0e0db;
  --tag-active-bg: #008844;
  --tag-active-text: #f5f5f0;
  --search-bg: #eaeae5;
  --overlay-bg: rgba(0, 0, 0, 0.85);
}

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

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: var(--border-thick);
  background: var(--bg-surface);
}

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

.logo {
  font-family: var(--font-logo);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.selected-count {
  font-size: 13px;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  text-decoration: none;
}

.icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.layout {
  display: flex;
  flex: 1;
  height: 0;
  min-height: 0;
}

.comic-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-right: var(--border-thick);
  position: relative;
}

.comic-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-muted);
  user-select: none;
}

.comic-display {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.comic-meta {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.comic-image-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: auto;
  cursor: zoom-in;
}

.comic-image-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.comic-loading {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 14px;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.comic-nav-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--nav-bg);
  border-top: var(--border-thick);
}

.nav-btn {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  background: none;
  border: 2px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  white-space: nowrap;
}

.nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.nav-btn:active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.shuffle-btn {
  flex: 1;
  font-size: 15px;
  text-align: center;
  letter-spacing: 1px;
}

.today-btn {
  font-size: 12px;
  color: var(--text-muted);
  border-color: var(--border);
  padding: 10px 14px;
}

.today-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.sidebar-toggle {
  width: 24px;
  min-width: 24px;
  background: var(--bg-surface);
  border: none;
  border-right: var(--border-thick);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}

.sidebar-toggle:hover {
  color: var(--accent);
}

.sidebar-toggle.collapsed {
  border-right: none;
  border-left: var(--border-thick);
}

.selection-panel {
  width: 380px;
  min-width: 380px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.25s ease, min-width 0.25s ease, opacity 0.2s ease;
}

.selection-panel.collapsed {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
}

.search-bar {
  position: relative;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.search-bar input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--search-bg);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 8px 30px 8px 12px;
  outline: none;
  transition: border-color 0.15s;
}

.search-bar input::placeholder {
  color: var(--text-muted);
}

.search-bar input:focus {
  border-color: var(--accent);
}

.search-clear {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.search-clear:hover {
  color: var(--text);
}

.collapsible-section {
  border-bottom: 1px solid var(--border);
}

.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s;
}

.collapsible-header:hover {
  color: var(--text);
}

.collapse-arrow {
  font-size: 10px;
  transition: transform 0.2s ease;
}

.collapsible-section.collapsed .collapse-arrow {
  transform: rotate(-90deg);
}

.collapsible-body {
  display: grid;
  grid-template-rows: 1fr;
  overflow: hidden;
  transition: grid-template-rows 0.25s ease;
}

.collapsible-section.collapsed .collapsible-body {
  grid-template-rows: 0fr;
}

.collapsible-body > * {
  overflow: hidden;
  min-height: 0;
  padding-top: 4px;
  padding-bottom: 8px;
  transition: padding 0.25s ease;
}

.collapsible-section.collapsed .collapsible-body > * {
  padding-top: 0;
  padding-bottom: 0;
}

.tag-filters {
  padding-left: 12px;
  padding-right: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--tag-bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 3px 8px;
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 2px;
}

.tag-chip:hover {
  border-color: var(--text);
  color: var(--text);
}

.tag-chip.active {
  color: #fff;
  border-color: transparent;
}

.alpha-bar-inner {
  padding-left: 12px;
  padding-right: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.alpha-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}

.alpha-btn:hover {
  color: var(--text);
  border-color: var(--border);
}

.alpha-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.recommend-toggle {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.recommend-toggle input[type="checkbox"] {
  accent-color: var(--accent);
}

.lucky-btn {
  margin-left: auto;
  padding: 3px 10px;
  font-size: 11px;
  font-family: var(--font-mono);
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
  white-space: nowrap;
}

.lucky-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.clear-selected {
  margin-left: 6px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.15s, color 0.15s;
}

.clear-selected:hover {
  opacity: 1;
  color: var(--accent);
}

.badge-grid {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.badge-section-header {
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 0 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.badge-section-header:not(:first-child) {
  margin-top: 12px;
}

.badge-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 2px;
  padding-top: 10px;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

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

.badge.selected {
  border-color: transparent;
}

.badge.recommended {
  border-color: var(--border);
  border-style: dashed;
}

.badge-img-wrap {
  position: relative;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.badge-circle {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
}

.badge-img {
  position: relative;
  width: 52px;
  height: 52px;
  object-fit: contain;
  object-position: bottom center;
  z-index: 1;
}

.badge-label {
  font-size: 9px;
  color: var(--text-muted);
  text-align: center;
  max-width: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  animation: fadeIn 200ms ease;
  -webkit-tap-highlight-color: transparent;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.zoom-backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg);
}

.zoom-close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 20;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 24px;
  cursor: pointer;
  transition: background 0.15s;
}

.zoom-close:hover {
  background: rgba(0, 0, 0, 0.7);
}

.zoom-container {
  position: relative;
  z-index: 10;
  display: flex;
  height: 100%;
  width: 100%;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.zoom-image-wrap {
  position: relative;
  max-width: 1280px;
  max-height: 100%;
  overflow: visible;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.4);
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-user-select: none;
}

.zoom-image-wrap img {
  max-width: calc(100vw - 64px);
  max-height: calc(100vh - 100px);
  object-fit: contain;
  transform-origin: center center;
  transition: transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

.zoom-image-wrap img.dragging {
  transition: none;
}

.zoom-toolbar {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.zoom-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.zoom-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.zoom-level {
  margin-left: 4px;
  min-width: 48px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  font-family: var(--font-mono);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  body {
    height: auto;
    overflow: auto;
  }

  .layout {
    flex-direction: column;
    height: auto;
    flex: none;
    min-height: calc(100vh - 53px);
  }

  .comic-panel {
    border-right: none;
    border-bottom: var(--border-thick);
    min-height: 50vh;
  }

  .sidebar-toggle {
    width: 100%;
    min-width: 100%;
    height: 28px;
    border-right: none;
    border-bottom: var(--border-thick);
  }

  .sidebar-toggle.collapsed {
    border-left: none;
    border-bottom: var(--border-thick);
  }

  .selection-panel {
    width: 100%;
    min-width: 100%;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    transition: max-height 0.25s ease, opacity 0.2s ease;
  }

  .selection-panel.collapsed {
    width: 100%;
    min-width: 100%;
    max-height: 0;
    overflow: hidden;
  }
}

.badge-grid::-webkit-scrollbar {
  width: 6px;
}

.badge-grid::-webkit-scrollbar-track {
  background: var(--bg);
}

.badge-grid::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.badge-grid::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}