/* Design System Tokens */
:root {
  --color-bg-base: #FAFAFA;
  --color-bg-panel: #FFFFFF;
  --color-bg-hover: #F4F4F5;
  --color-bg-active: #E4E4E7;
  --color-border-subtle: #E4E4E7;
  --color-border-strong: #D4D4D8;
  
  --color-text-primary: #09090B;
  --color-text-secondary: #52525B;
  --color-text-tertiary: #A1A1AA;
  
  --color-accent-bg: #18181B;
  --color-accent-hover: #27272A;
  --color-accent-text: #FFFFFF;
  
  --color-danger-bg: #FEF2F2;
  --color-danger-text: #EF4444;
  --color-danger-border: #FCA5A5;

  --color-focus-ring: rgba(24, 24, 27, 0.25);

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-pill: 9999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-float: 0 0 0 1px rgba(0,0,0,0.05), 0 8px 16px -4px rgba(0,0,0,0.1);
  --shadow-modal: 0 0 0 1px rgba(0,0,0,0.05), 0 24px 48px -12px rgba(0,0,0,0.18);

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Pretendard Variable", Pretendard, "Segoe UI", Roboto, sans-serif;
}

body[data-theme="dark"] {
  --color-bg-base: #09090B;
  --color-bg-panel: #121212;
  --color-bg-hover: #1F1F22;
  --color-bg-active: #27272A;
  --color-border-subtle: #27272A;
  --color-border-strong: #3F3F46;
  
  --color-text-primary: #FAFAFA;
  --color-text-secondary: #A1A1AA;
  --color-text-tertiary: #71717A;
  
  --color-accent-bg: #FAFAFA;
  --color-accent-hover: #E4E4E7;
  --color-accent-text: #09090B;
  
  --color-danger-bg: #450A0A;
  --color-danger-text: #F87171;
  --color-danger-border: #7F1D1D;

  --color-focus-ring: rgba(250, 250, 250, 0.3);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-float: 0 0 0 1px rgba(255,255,255,0.1), 0 8px 16px -4px rgba(0,0,0,0.5);
  --shadow-modal: 0 0 0 1px rgba(255,255,255,0.1), 0 24px 48px -12px rgba(0,0,0,0.8);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 14px; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
[hidden] { display: none !important; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }

/* Utilities / Components */
.input-base {
  width: 100%;
  padding: 8px 12px;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.input-base:focus {
  border-color: var(--color-text-primary);
  box-shadow: 0 0 0 2px var(--color-bg-base), 0 0 0 4px var(--color-focus-ring);
}
.input-small { padding: 6px 10px; font-size: 0.9rem; }
.textarea-base { resize: vertical; min-height: 80px; }

.btn-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  outline: none;
  white-space: nowrap;
}
.btn-base:focus-visible { box-shadow: 0 0 0 2px var(--color-bg-base), 0 0 0 4px var(--color-focus-ring); }
.btn-base:active { transform: scale(0.98); }
.btn-small { padding: 4px 10px; font-size: 0.85rem; }

.btn-primary { background: var(--color-accent-bg); color: var(--color-accent-text); border-color: var(--color-accent-bg); }
.btn-primary:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); }

.btn-outline { background: var(--color-bg-panel); color: var(--color-text-primary); border-color: var(--color-border-strong); }
.btn-outline:hover { background: var(--color-bg-hover); }

.btn-ghost { background: transparent; color: var(--color-text-secondary); }
.btn-ghost:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }

.btn-danger { background: var(--color-danger-bg); color: var(--color-danger-text); border-color: var(--color-danger-border); }
.btn-danger:hover { filter: brightness(0.95); }
.btn-danger-ghost { background: transparent; color: var(--color-danger-text); border-color: var(--color-danger-border); }
.btn-danger-ghost:hover { background: var(--color-danger-bg); }

.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; padding: 0; border-radius: var(--radius-md);
  background: transparent; border: 1px solid transparent; color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.btn-icon:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }
.btn-icon.btn-small { width: 24px; height: 24px; }

.chip-base {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: var(--radius-pill);
  background: var(--color-bg-hover); border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary); font-size: 0.85rem; font-weight: 500;
  transition: all var(--transition-fast);
}
.chip-base:hover { background: var(--color-bg-active); color: var(--color-text-primary); }

.shadow-float { box-shadow: var(--shadow-float); }

/* Layout: App Shell */
.app-shell { display: grid; grid-template-columns: 240px minmax(0, 1fr); min-height: 100vh; }

/* Sidebar */
.side-panel {
  display: flex; flex-direction: column; gap: 16px;
  background: var(--color-bg-panel); border-right: 1px solid var(--color-border-subtle);
  padding: 20px 16px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand-block h1 { font-size: 1.1rem; font-weight: 600; letter-spacing: -0.02em; }
.brand-block p { font-size: 0.75rem; color: var(--color-text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }

.main-nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  text-align: left; background: transparent; border: none; padding: 6px 10px;
  border-radius: var(--radius-sm); color: var(--color-text-secondary); font-size: 0.95rem; font-weight: 500;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-item:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }
.nav-item.active { background: var(--color-bg-active); color: var(--color-text-primary); font-weight: 600; }

.side-section .section-header h2 { font-size: 0.75rem; color: var(--color-text-tertiary); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; margin-bottom: 8px; }
.suggestion-list { display: flex; flex-wrap: wrap; gap: 6px; }
.suggestion { font-size: 0.85rem; color: var(--color-text-secondary); padding: 4px 8px; border-radius: var(--radius-sm); border: 1px solid var(--color-border-subtle); cursor: pointer; }
.suggestion:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }

.facet-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin-bottom: 12px; background: var(--color-bg-hover); padding: 2px; border-radius: var(--radius-md); }
.facet-toggle button { background: transparent; border: none; padding: 4px 0; font-size: 0.85rem; font-weight: 500; color: var(--color-text-secondary); border-radius: var(--radius-sm); }
.facet-toggle button.active { background: var(--color-bg-panel); color: var(--color-text-primary); box-shadow: var(--shadow-sm); }

.filter-tree { display: flex; flex-direction: column; gap: 2px; }
.folder-chip {
  display: flex; align-items: center; width: 100%; text-align: left; background: transparent; border: none;
  padding: 4px 8px; border-radius: var(--radius-sm); color: var(--color-text-secondary); font-size: 0.9rem; cursor: pointer;
}
.folder-chip:hover { background: var(--color-bg-hover); }
.folder-chip.active { background: var(--color-bg-active); color: var(--color-text-primary); font-weight: 500; }
.folder-chip .folder-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-chip .count { font-size: 0.75rem; color: var(--color-text-tertiary); margin-left: 8px; }
.folder-node { padding-left: calc(8px + var(--indent, 0px)); }
.folder-toggle { width: 16px; text-align: center; color: var(--color-text-tertiary); margin-right: 4px; }
.folder-chip.drop-ready { background: var(--color-bg-active); outline: 2px solid var(--color-text-primary); }

.chip-group { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag-chip { font-size: 0.8rem; color: var(--color-text-secondary); background: var(--color-bg-hover); padding: 2px 8px; border-radius: var(--radius-sm); cursor: pointer; }
.tag-chip:hover { background: var(--color-border-subtle); color: var(--color-text-primary); }
.tag-chip.selected { background: var(--color-text-primary); color: var(--color-bg-panel); }

.side-footer { margin-top: auto; padding-top: 16px; display: grid; gap: 8px; border-top: 1px solid var(--color-border-subtle); }

/* Main Panel */
.main-panel { display: flex; flex-direction: column; min-width: 0; position: relative; }

/* Top Nav */
.top-nav {
  display: flex; align-items: center; gap: 16px; padding: 12px 24px;
  position: sticky; top: 0; z-index: 10; background: rgba(var(--color-bg-base-rgb), 0.8);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border-subtle);
}
.nav-left { display: none; }
.search-wrap { flex: 1; display: flex; align-items: center; gap: 8px; max-width: 600px; background: var(--color-bg-panel); border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); padding: 0 12px; transition: border-color var(--transition-fast); }
.search-wrap:focus-within { border-color: var(--color-text-primary); box-shadow: 0 0 0 2px var(--color-bg-base), 0 0 0 4px var(--color-focus-ring); }
.search-icon { color: var(--color-text-tertiary); }
.search-input { flex: 1; border: none; background: transparent; padding: 8px 0; font-size: 0.95rem; color: var(--color-text-primary); outline: none; }
.nav-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }

/* Workspace Content */
.workspace-content { padding: 24px; display: flex; flex-direction: column; gap: 24px; max-width: 1400px; margin: 0 auto; width: 100%; }

/* Hero */
.workspace-hero {
  display: flex; gap: 24px; justify-content: space-between; align-items: flex-end; flex-wrap: wrap;
  background: var(--color-bg-panel); border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm);
}
.hero-left { display: flex; flex-direction: column; gap: 12px; }
.hero-left .badge { font-size: 0.75rem; text-transform: uppercase; font-weight: 600; color: var(--color-text-secondary); letter-spacing: 0.05em; }
.hero-left h2 { font-size: 1.75rem; font-weight: 600; letter-spacing: -0.03em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }

.hero-stats { display: flex; gap: 16px; flex-wrap: wrap; }
.stat-box { display: flex; flex-direction: column; gap: 4px; padding: 12px 16px; border: 1px solid var(--color-border-subtle); border-radius: var(--radius-md); min-width: 120px; }
.stat-box span { font-size: 0.75rem; color: var(--color-text-secondary); }
.stat-box strong { font-size: 1.25rem; font-weight: 600; line-height: 1; }
.stat-box small { font-size: 0.7rem; color: var(--color-text-tertiary); }

/* Controls */
.controls-panel { display: flex; flex-direction: column; gap: 12px; }
.controls-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.results-summary { display: flex; align-items: center; gap: 8px; }
.results-summary strong { font-weight: 600; font-size: 0.95rem; }
.results-summary span { color: var(--color-text-secondary); font-size: 0.85rem; }
.hidden-em { display: none; }

.controls-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.view-toggle { display: flex; background: var(--color-bg-hover); padding: 2px; border-radius: var(--radius-md); border: 1px solid var(--color-border-subtle); }
.view-toggle button { background: transparent; border: none; padding: 6px 10px; font-size: 0.85rem; font-weight: 500; color: var(--color-text-secondary); border-radius: var(--radius-sm); }
.view-toggle button.active { background: var(--color-bg-panel); color: var(--color-text-primary); box-shadow: var(--shadow-sm); }
.search-shortcuts { display: flex; flex-wrap: wrap; gap: 8px; }

/* Active Filters */
.active-filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-top: 12px; border-top: 1px solid var(--color-border-subtle); }
.active-filters-label { font-size: 0.8rem; font-weight: 600; color: var(--color-text-secondary); }
.active-filter-list { display: flex; flex-wrap: wrap; gap: 6px; }
.active-filter-chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; font-size: 0.8rem; background: var(--color-bg-active); border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); color: var(--color-text-primary); }
.active-filters-clear { font-size: 0.8rem; color: var(--color-text-secondary); background: transparent; border: none; text-decoration: underline; cursor: pointer; }

/* Floating Bulk Bar */
.floating-bulk {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 100;
  display: flex; flex-direction: column; gap: 8px; background: rgba(var(--color-bg-panel-rgb), 0.95);
  backdrop-filter: blur(16px); padding: 12px 16px; border-radius: var(--radius-lg); border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-float); width: max-content; max-width: 90vw;
}
.bulk-info { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; font-weight: 600; }
.bulk-info small { font-weight: 400; color: var(--color-text-secondary); }
.bulk-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.bulk-input-group { display: flex; align-items: center; gap: 4px; }

/* Cards Container & Views */
.cards-container { padding-bottom: 80px; } /* Space for FAB */

/* Dynamic JS Generated Card Styles */
.card {
  display: flex; position: relative; background: var(--color-bg-panel);
  border: 1px solid var(--color-border-subtle); border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast); overflow: hidden;
}
.card:hover { border-color: var(--color-border-strong); }
.card.selected { border-color: var(--color-text-primary); box-shadow: 0 0 0 1px var(--color-text-primary); }
.card.keyboard-focus { box-shadow: 0 0 0 2px var(--color-bg-base), 0 0 0 4px var(--color-focus-ring); }
.card.dragging { opacity: 0.5; }

/* View: Grid */
.view-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.view-grid .card { flex-direction: column; padding: 12px; }
.view-grid .card-media { width: 100%; height: 140px; background: var(--color-bg-hover); border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 12px; display: flex; align-items: center; justify-content: center; position: relative; }
.view-grid .card-media img { width: 100%; height: 100%; object-fit: cover; }
.view-grid .card-media .media-favicon { width: 48px; height: 48px; border-radius: var(--radius-sm); border: 1px solid var(--color-border-subtle); background: var(--color-bg-panel); object-fit: contain; }
.view-grid .fallback { font-size: 2rem; font-weight: 600; color: var(--color-text-tertiary); }
.view-grid .card-main { display: flex; flex-direction: column; gap: 8px; flex: 1; }

/* View: Magazine */
.view-magazine { display: flex; flex-direction: column; gap: 16px; }
.view-magazine .card { flex-direction: row; gap: 16px; padding: 16px; }
.view-magazine .card-media { width: 200px; height: 130px; flex-shrink: 0; background: var(--color-bg-hover); border-radius: var(--radius-sm); overflow: hidden; display: flex; align-items: center; justify-content: center; }
.view-magazine .card-media img { width: 100%; height: 100%; object-fit: cover; }
.view-magazine .card-media .media-favicon { width: 48px; height: 48px; border-radius: var(--radius-sm); background: var(--color-bg-panel); }
.view-magazine .fallback { font-size: 2rem; font-weight: 600; color: var(--color-text-tertiary); }
.view-magazine .card-main { display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 0; justify-content: center; }

/* View: List */
.view-list { display: flex; flex-direction: column; gap: 8px; }
.view-list .card { flex-direction: row; align-items: center; gap: 12px; padding: 8px 12px; }
.view-list .card-media, .view-list .card-desc, .view-list .card-tags, .view-list .card-meta { display: none !important; }
.view-list .card-main { flex: 1; min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.view-list .card-title-row { flex: 1; }
.view-list .card-actions { margin: 0 !important; }

/* Card Internals */
.card-select { position: absolute; top: 12px; left: 12px; z-index: 2; display: flex; background: var(--color-bg-panel); border-radius: 4px; }
.card-select input[type="checkbox"] { appearance: none; width: 18px; height: 18px; border: 1px solid var(--color-border-strong); border-radius: 4px; background: var(--color-bg-panel); cursor: pointer; margin: 0; }
.card-select input[type="checkbox"]:checked { background: var(--color-text-primary); border-color: var(--color-text-primary); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E"); background-size: 12px; background-position: center; background-repeat: no-repeat; }
.pin { position: absolute; top: 12px; right: 12px; z-index: 2; font-size: 1.2rem; line-height: 1; cursor: pointer; color: var(--color-text-tertiary); background: var(--color-bg-panel); border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; }
.pin.pinned { color: #EAB308; }

.card-title-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-favicon { width: 16px; height: 16px; border-radius: 2px; }
.card-title { font-weight: 600; font-size: 1rem; color: var(--color-text-primary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.view-list .card-title { -webkit-line-clamp: 1; }
.card-folder { font-size: 0.75rem; font-weight: 500; background: var(--color-bg-hover); padding: 2px 6px; border-radius: var(--radius-sm); border: 1px solid var(--color-border-subtle); color: var(--color-text-secondary); white-space: nowrap; max-width: 120px; overflow: hidden; text-overflow: ellipsis; margin-left: auto; }
.link-health-badge { font-size: 0.7rem; font-weight: 600; background: var(--color-danger-bg); color: var(--color-danger-text); border: 1px solid var(--color-danger-border); padding: 2px 6px; border-radius: var(--radius-sm); }
.card-desc { font-size: 0.85rem; color: var(--color-text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.card-tags span { font-size: 0.7rem; color: var(--color-text-secondary); background: var(--color-bg-hover); padding: 2px 6px; border-radius: var(--radius-sm); }
.card-meta { font-size: 0.75rem; color: var(--color-text-tertiary); margin-top: auto; }
.card-actions { display: flex; gap: 12px; margin-top: 8px; }
.card-actions a, .card-actions button { background: transparent; border: none; padding: 0; font-size: 0.85rem; font-weight: 500; color: var(--color-text-secondary); cursor: pointer; }
.card-actions a:hover, .card-actions button:hover { color: var(--color-text-primary); text-decoration: underline; }

/* Empty & Sentinel */
.empty-state { padding: 48px 24px; text-align: center; border: 1px dashed var(--color-border-strong); border-radius: var(--radius-lg); background: var(--color-bg-panel); }
.empty-icon { font-size: 2rem; color: var(--color-text-tertiary); margin-bottom: 12px; }
.cards-sentinel { text-align: center; padding: 16px; font-size: 0.85rem; color: var(--color-text-tertiary); }

/* Modals & Overlays */
.modal-backdrop { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); padding: 16px; opacity: 0; pointer-events: none; transition: opacity var(--transition-fast); }
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal-panel { background: var(--color-bg-panel); border: 1px solid var(--color-border-subtle); border-radius: var(--radius-lg); box-shadow: var(--shadow-modal); width: 100%; max-height: 90vh; display: flex; flex-direction: column; overflow: hidden; transform: translateY(10px) scale(0.98); transition: transform var(--transition-fast); }
.modal-backdrop.open .modal-panel { transform: translateY(0) scale(1); }

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--color-border-subtle); }
.modal-header h2 { font-size: 1.1rem; font-weight: 600; }
.modal-header.compact { padding: 12px 16px; }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 24px; }

/* Settings Specifics */
.settings-panel { max-width: 640px; }
.settings-section h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 12px; color: var(--color-text-secondary); }
.segmented-control { display: flex; background: var(--color-bg-hover); padding: 4px; border-radius: var(--radius-md); gap: 4px; }
.segmented-control button { flex: 1; background: transparent; border: none; padding: 6px 0; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 500; color: var(--color-text-secondary); }
.segmented-control button.active { background: var(--color-bg-panel); color: var(--color-text-primary); box-shadow: var(--shadow-sm); }
.helper-text { font-size: 0.8rem; color: var(--color-text-tertiary); margin-top: 6px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--color-text-secondary); }
.label-hint { color: var(--color-text-tertiary); font-weight: 400; }
.form-row { display: flex; gap: 8px; margin-bottom: 16px; }
.color-picker { width: 40px; height: 36px; padding: 2px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); background: var(--color-bg-base); cursor: pointer; }
.btn-row { display: flex; gap: 8px; }
.btn-row.actions-end { justify-content: flex-end; }
.btn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.section-header-flex { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.section-header-flex h3 { margin: 0; }
.settings-section .helper-text + .btn-row { margin-top: 12px; }
.status-badge { font-size: 0.75rem; padding: 2px 8px; border-radius: var(--radius-pill); font-weight: 600; }
.status-badge.offline { background: var(--color-bg-hover); color: var(--color-text-secondary); }
.status-badge.syncing { background: #DBEAFE; color: #1D4ED8; }
.status-badge.connected { background: #DCFCE7; color: #166534; }
body[data-theme="dark"] .status-badge.syncing { background: rgba(29, 78, 216, 0.2); color: #93C5FD; }
body[data-theme="dark"] .status-badge.connected { background: rgba(22, 101, 52, 0.2); color: #86EFAC; }
.advanced-details summary { font-size: 0.85rem; font-weight: 500; color: var(--color-text-secondary); cursor: pointer; outline: none; margin-bottom: 12px; }

/* Reader Panel */
.reader-panel { max-width: 800px; height: 85vh; }
.reader-title { font-size: 1.5rem; font-weight: 600; line-height: 1.3; }
.header-actions { display: flex; gap: 8px; align-items: center; }
.reader-meta { font-size: 0.85rem; color: var(--color-text-tertiary); margin-bottom: 24px; }
.reader-images { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 24px; }
.reader-images img { width: 100%; height: 140px; object-fit: cover; border-radius: var(--radius-md); border: 1px solid var(--color-border-subtle); }
.reader-content { font-size: 1.05rem; line-height: 1.7; color: var(--color-text-primary); }
.reader-content p { margin-bottom: 1.2em; }

/* Sheet (Add/Edit) */
.sheet-overlay { align-items: flex-end; padding: 0; }
.sheet { border-radius: var(--radius-xl) var(--radius-xl) 0 0; max-width: 640px; margin: 0 auto; max-height: 90vh; transform: translateY(100%); }
.sheet-overlay.open .sheet { transform: translateY(0); }
.sheet-body { padding: 24px; overflow-y: auto; }
.sheet-progress { font-size: 0.8rem; font-weight: 600; color: var(--color-text-tertiary); margin-bottom: 16px; }
.field-group { display: none; flex-direction: column; }
.field-group.active { display: flex; }
.form-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 12px; margin-bottom: 16px; }

/* Meta Preview inside Sheet */
.metadata-preview, .metadata-skeleton { display: flex; gap: 12px; padding: 12px; border: 1px solid var(--color-border-subtle); border-radius: var(--radius-md); background: var(--color-bg-base); margin-bottom: 12px; }
.meta-thumb { width: 80px; height: 56px; border-radius: var(--radius-sm); object-fit: cover; background: var(--color-bg-hover); }
.meta-text { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 4px; }
.meta-domain { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; font-weight: 500; color: var(--color-text-secondary); }
.meta-favicon { width: 16px; height: 16px; border-radius: 2px; }
.meta-desc-text { font-size: 0.85rem; color: var(--color-text-tertiary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.skeleton-thumb { width: 80px; height: 56px; border-radius: var(--radius-sm); background: var(--color-bg-hover); }
.skeleton-lines { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.skeleton-lines span { height: 8px; border-radius: 4px; background: var(--color-bg-hover); width: 100%; }
.skeleton-lines span:nth-child(2) { width: 70%; }
.skeleton-lines span:nth-child(3) { width: 40%; }

/* Tags Input Box */
.tag-input-container { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px 12px; min-height: 40px; background: var(--color-bg-base); border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); cursor: text; transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.tag-input-container:focus-within { border-color: var(--color-text-primary); box-shadow: 0 0 0 2px var(--color-bg-base), 0 0 0 4px var(--color-focus-ring); }
.tag-input-field { flex: 1; min-width: 100px; border: none; background: transparent; outline: none; font-size: 0.95rem; color: var(--color-text-primary); }
.tag-chip-token { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; font-size: 0.85rem; background: var(--color-bg-active); border-radius: var(--radius-sm); }
.tag-chip-token button { background: transparent; border: none; padding: 0; color: var(--color-text-tertiary); cursor: pointer; }
.tag-chip-token button:hover { color: var(--color-text-primary); }

/* Action Dialog */
.action-dialog { max-width: 400px; }
.dialog-eyebrow { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; color: var(--color-text-tertiary); margin-bottom: 4px; }
.dialog-title { font-size: 1.1rem; font-weight: 600; margin: 0; }
.dialog-desc { font-size: 0.9rem; color: var(--color-text-secondary); }
.dialog-summary { font-size: 0.85rem; color: var(--color-text-tertiary); margin-top: 8px; }
.mt-4 { margin-top: 16px; }

/* Toasts */
.toast-container { position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 300; pointer-events: none; }
.toast { background: var(--color-text-primary); color: var(--color-bg-panel); padding: 10px 16px; border-radius: var(--radius-md); font-size: 0.9rem; font-weight: 500; display: flex; align-items: center; gap: 12px; pointer-events: auto; box-shadow: var(--shadow-float); animation: toastIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.toast button { background: transparent; border: none; padding: 0; color: var(--color-bg-panel); text-decoration: underline; font-size: 0.85rem; opacity: 0.8; }
.toast button:hover { opacity: 1; }
@keyframes toastIn { from { opacity: 0; transform: translateY(20px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* FAB */
.bottom-cta { position: fixed; right: 24px; bottom: 24px; z-index: 50; display: flex; gap: 12px; align-items: center; }
.fab { width: 48px; height: 48px; border-radius: 24px; padding: 0; display: flex; justify-content: center; align-items: center; transition: width 0.2s; overflow: hidden; }
.fab span { display: none; }
.floating-up { position: fixed; right: 24px; bottom: 88px; background: var(--color-bg-panel); z-index: 50; border-radius: 50%; width: 40px; height: 40px; }

/* Responsive Adjustments */
@media (max-width: 1024px) {
  .app-shell { display: block; }
  .side-panel { position: fixed; left: 0; top: 0; bottom: 0; width: 280px; z-index: 250; transform: translateX(-100%); transition: transform var(--transition-fast); }
  body.side-open .side-panel { transform: translateX(0); }
  .nav-left { display: block; }
  .side-backdrop { position: fixed; inset: 0; z-index: 240; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity var(--transition-fast); display: block !important; }
  body.side-open .side-backdrop { opacity: 1; pointer-events: auto; }
}
@media (max-width: 640px) {
  .workspace-content { padding: 16px; }
  .workspace-hero { flex-direction: column; align-items: flex-start; }
  .hero-stats { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .controls-row { flex-direction: column; align-items: flex-start; }
  .controls-group { width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .view-toggle { grid-column: 1 / -1; display: flex; width: 100%; }
  .view-toggle button { flex: 1; }
  .floating-bulk { bottom: 16px; width: calc(100% - 32px); max-width: none; border-radius: var(--radius-md); padding: 12px; }
  .bulk-actions { flex-direction: column; width: 100%; align-items: stretch; }
  .bulk-input-group { width: 100%; }
  .sheet { max-height: 100dvh; height: 100dvh; border-radius: 0; }
}

/* Extension Popup Specific Overrides */
body[data-app-context="extension"] { width: 400px; height: 600px; overflow: hidden; display: flex; flex-direction: column; }
body[data-app-context="extension"] .app-shell { display: flex; flex-direction: column; height: 100%; }
body[data-app-context="extension"] .main-panel { flex: 1; overflow-y: auto; overflow-x: hidden; }
body[data-app-context="extension"] .workspace-content { padding: 12px; }
body[data-app-context="extension"] .side-panel { position: fixed; left: 0; top: 0; bottom: 0; width: 80%; height: 100%; transform: translateX(-100%); transition: transform var(--transition-fast); z-index: 250; }
body[data-app-context="extension"].side-open .side-panel { transform: translateX(0); }
body[data-app-context="extension"] .side-backdrop { position: fixed; inset: 0; z-index: 240; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity var(--transition-fast); display: block !important; }
body[data-app-context="extension"].side-open .side-backdrop { opacity: 1; pointer-events: auto; }
body[data-app-context="extension"] .top-nav { padding: 8px 12px; }
body[data-app-context="extension"] .nav-left { display: block; }
body[data-app-context="extension"] .hero-stats { display: none; }
body[data-app-context="extension"] .workspace-hero { padding: 16px 12px; }
body[data-app-context="extension"] .controls-row { flex-direction: column; align-items: stretch; }
body[data-app-context="extension"] .controls-group { display: grid; grid-template-columns: 1fr 1fr; }
body[data-app-context="extension"] .view-toggle { grid-column: 1 / -1; display: flex; }
body[data-app-context="extension"] .view-toggle button { flex: 1; }
body[data-app-context="extension"] .bottom-cta { bottom: 12px; right: 12px; }
body[data-app-context="extension"] .floating-bulk { bottom: 12px; width: calc(100% - 24px); border-radius: var(--radius-md); }
body[data-app-context="extension"] .bulk-actions { flex-direction: column; align-items: stretch; }
body[data-app-context="extension"] .modal-panel { width: calc(100% - 24px); max-height: calc(100% - 24px); }
body[data-app-context="extension"] .sheet { max-height: 100%; height: 100%; border-radius: 0; width: 100%; margin: 0; }
body[data-app-context="extension"] .view-magazine .card-media { width: 100px; height: 100px; }
body[data-app-context="extension"] .view-grid { grid-template-columns: 1fr; }