:root {
  --bg: #000000;
  --bg-card: #0c0d0e;
  --row-bg: #0c0d0e;
  --row-hover: #15171a;
  --border: #1e2023;
  --border-focus: #0a84ff;
  
  --text-main: #ffffff;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  
  --mac-blue: #0a84ff;
  --mac-blue-glow: rgba(10, 132, 255, 0.28);
  --mac-folder-top: #5ac8fa;
  --mac-folder-mid: #007aff;
  --mac-folder-bot: #0051ba;
  
  --btn-bg: #141618;
  --btn-hover: #0a84ff;
  --btn-text: #ffffff;
  --btn-text-hover: #ffffff;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Monaco, Consolas, monospace;
}

html.light-theme,
body.light-theme {
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --row-bg: #ffffff;
  --row-hover: #f1f5f9;
  --border: #e2e8f0;
  --border-focus: #007aff;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  
  --btn-bg: #f1f5f9;
  --btn-hover: #007aff;
  --btn-text: #0f172a;
  --btn-text-hover: #ffffff;
}

html.dark-theme,
body.dark-theme {
  --bg: #000000;
  --bg-card: #0c0d0e;
  --row-bg: #0c0d0e;
  --row-hover: #15171a;
  --border: #1e2023;
  --border-focus: #0a84ff;
  
  --text-main: #ffffff;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  
  --btn-bg: #141618;
  --btn-hover: #0a84ff;
  --btn-text: #ffffff;
  --btn-text-hover: #ffffff;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.2s ease, color 0.2s ease;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.app-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  animation: pageEnter 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-title span {
  color: var(--mac-blue);
}

.theme-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: all 0.15s ease;
}

.theme-btn svg {
  display: block;
}

.theme-btn:hover {
  background: var(--row-hover);
  border-color: var(--mac-blue);
  color: var(--text-main);
}

.theme-btn:active {
  transform: scale(0.96);
}

/* shadcn-inspired Theme Dropdown Menu */
.theme-dropdown-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.theme-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45), 0 1px 3px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  display: none;
  flex-direction: column;
  gap: 2px;
  transform-origin: top right;
  animation: themeDropdownPop 0.14s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes themeDropdownPop {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-4px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.theme-dropdown.open {
  display: flex;
}

.theme-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 32px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  transition: background-color 0.12s ease, color 0.12s ease;
  user-select: none;
  text-align: left;
}

.theme-item-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-dropdown-item:hover,
.theme-dropdown-item:focus-visible {
  background-color: var(--row-hover);
  color: var(--text-main);
}

.theme-dropdown-item .check-icon {
  opacity: 0;
  color: var(--mac-blue);
  transition: opacity 0.12s ease;
}

.theme-dropdown-item.active {
  color: var(--text-main);
  font-weight: 600;
  background-color: var(--row-hover);
}

.theme-dropdown-item.active .check-icon {
  opacity: 1;
}

/* Search Bar (On Top) */
.search-container {
  margin-bottom: 24px;
  position: relative;
}

.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 130px 12px 42px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--mac-blue-glow);
}

.search-badges {
  position: absolute;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.search-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.shortcut-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 22px;
  padding: 0 7px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-sans);
  color: var(--text-muted);
  background: var(--btn-bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  letter-spacing: 0.04em;
  user-select: none;
}

body.light-theme .shortcut-badge {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: #64748b;
}

/* Section Header */
.section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding-left: 8px;
}

/* Clean List Container */
.finder-list {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

/* Individual Row */
.finder-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.15s ease;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  user-select: none;
}

.finder-row:last-child {
  border-bottom: none;
}

.finder-row:hover {
  background-color: var(--row-hover);
}

.row-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  flex: 1;
}

/* Mac Blue Folder Icon & Realistic Open Animation */
.mac-folder-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 2px 5px rgba(0, 85, 215, 0.28));
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.22s ease;
  will-change: transform;
}

.mac-folder-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

/* SVG Folder Layers */
.folder-paper {
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  will-change: transform;
}

.folder-front {
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-origin: 19px 29px;
  will-change: transform;
}

/* Hover: Folder opens up with document sliding out */
.finder-row:hover .mac-folder-icon {
  transform: translateY(-2px) scale(1.04);
  filter: drop-shadow(0 6px 14px rgba(0, 95, 230, 0.42));
}

.finder-row:hover .folder-paper {
  transform: translateY(-3.5px);
}

.finder-row:hover .folder-front {
  transform: scaleY(0.9) translateY(1.2px);
}

/* Click/Active: Folder pops fully open */
.finder-row:active .mac-folder-icon {
  transform: translateY(-1px) scale(1.02);
}

.finder-row:active .folder-paper {
  transform: translateY(-5px);
}

.finder-row:active .folder-front {
  transform: scaleY(0.82) translateY(2.2px);
}

.row-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.row-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.row-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0, 122, 255, 0.12);
  color: var(--mac-blue);
}

.row-desc {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.row-desc.row-path {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: -0.01em;
}

.row-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 16px;
  flex-shrink: 0;
}

/* shadcn-inspired Blue Primary Button */
.btn-open {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.01em;
  height: 32px;
  padding: 0 13px;
  border-radius: var(--radius-sm);
  background-color: #2563eb;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.14);
  text-decoration: none;
  cursor: pointer;
  outline: none;
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-open:hover {
  background-color: #1d4ed8;
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-open:active {
  background-color: #1e40af;
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-open:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

body.light-theme .btn-open {
  background-color: #2563eb;
  border: 1px solid #1d4ed8;
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

body.light-theme .btn-open:hover {
  background-color: #1d4ed8;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
}


/* shadcn-style Back / Hub Button */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 32px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: all 0.15s ease;
}

.back-btn:hover {
  color: var(--text-main);
  background: var(--row-hover);
  border-color: var(--mac-blue);
}

.back-btn:active {
  transform: scale(0.97);
}

/* Empty State */
.empty-state {
  padding: 32px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  display: none;
}

/* Footer */
footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 14px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--mac-blue);
}

@media (max-width: 580px) {
  .app-wrapper {
    padding: 24px 16px 60px;
  }
  .finder-row {
    padding: 12px 14px;
  }
  .row-desc {
    display: none;
  }
}