/**
 * mark.nlink.kr - Modern Multi-Device View Engine
 * Pure CSS, Zero-Dependency, Responsive & High-Contrast WCAG Compliant
 */

:root {
  --bg-primary: #090a0f;
  --bg-surface: rgba(22, 27, 34, 0.7);
  --bg-surface-hover: rgba(33, 38, 45, 0.85);
  --bg-input: rgba(13, 17, 23, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(56, 189, 248, 0.4);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.2);
  --danger: #ef4444;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-pill: 9999px;
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.4);
  --safe-bottom: env(safe-area-inset-bottom, 16px);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-surface: rgba(255, 255, 255, 0.9);
  --bg-surface-hover: rgba(241, 245, 249, 0.95);
  --bg-input: #ffffff;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(2, 132, 199, 0.4);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
  --accent: #0284c7;
  --accent-glow: rgba(2, 132, 199, 0.15);
  --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Pretendard", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

input, textarea, [contenteditable="true"], .selectable, .selectable-text {
  -webkit-user-select: text;
  user-select: text;
}

/* PC Centered Container (Max 760px) */
.app-container {
  width: 100%;
  max-width: 760px;
  padding: 12px 10px calc(var(--safe-bottom) + 24px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px 10px;
  gap: 8px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.brand-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, #38bdf8 0%, #3b82f6 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 3px 10px rgba(56, 189, 248, 0.35);
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  font-size: 0.74rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  backdrop-filter: blur(8px);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-pill:hover, .btn-pill:active {
  color: var(--text-main);
  background: var(--bg-surface-hover);
  border-color: var(--accent);
}

.btn-icon-only {
  width: 30px;
  height: 30px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
}

/* URL Input Hero Section */
.hero-input-section {
  margin: 6px 0 12px;
  position: relative;
}

.input-box-wrapper {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 4px 6px 4px 12px;
  box-shadow: var(--shadow-subtle);
  transition: all 0.25s ease;
  backdrop-filter: blur(12px);
}

.input-box-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow), var(--shadow-subtle);
}

.input-icon {
  color: var(--text-dim);
  margin-right: 8px;
  font-size: 1rem;
  flex-shrink: 0;
}

.url-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.88rem;
  font-weight: 500;
  min-width: 0;
}

.url-input::placeholder {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.btn-paste {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 6px 9px;
  border-radius: 9px;
  font-size: 0.74rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-right: 5px;
  flex-shrink: 0;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn-paste:hover, .btn-paste:active {
  background: var(--bg-surface-hover);
  color: var(--text-main);
  border-color: var(--accent);
}

.btn-add {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 7px 13px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  transition: transform 0.15s ease, opacity 0.2s;
}

/* Clipboard Floating Banner */
.clipboard-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid var(--accent);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  margin-bottom: 8px;
  font-size: 0.76rem;
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.clip-icon {
  font-size: 0.85rem;
}

.clip-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}

.btn-clip-add {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-pill);
  padding: 3px 9px;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-clip-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

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

/* Controls Toolbar (Sort Toggle, Theme Picker, Badge) */
.toolbar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 0 2px;
  gap: 6px;
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.sort-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s;
}

.sort-mode-btn.active-frequent {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent);
  color: var(--accent);
}

.badge-toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.74rem;
  color: var(--text-dim);
  cursor: pointer;
}

.badge-toggle-label input {
  accent-color: var(--accent);
  cursor: pointer;
}

.total-counter {
  font-size: 0.74rem;
  color: var(--text-dim);
}

/* ==============================================================
   VIEW THEME 1: [mobile-flat] 📱 모바일 플랫 런처 (갤럭시 S24 5열 초밀착 스퀘어클)
   ============================================================== */
[data-view="mobile-flat"] .bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px 4px;
  width: 100%;
  margin-bottom: 20px;
}

[data-view="mobile-flat"] .bookmark-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2px 1px;
  background: transparent;
  border: none;
  box-shadow: none;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
  min-width: 0;
}

[data-view="mobile-flat"] .bookmark-card:active {
  transform: scale(0.92);
}

[data-view="mobile-flat"] .favicon-wrap {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s;
  flex-shrink: 0;
}

[data-view="mobile-flat"] .favicon-img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

[data-view="mobile-flat"] .card-info-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

[data-view="mobile-flat"] .card-title {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-main);
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

[data-view="mobile-flat"] .card-domain {
  display: none; /* 갤럭시 S24 홈 화면처럼 도메인 숨김 및 앱 타이틀만 컴팩트 노출 */
}

[data-view="mobile-flat"] .click-badge {
  position: absolute;
  top: -2px;
  right: 2px;
  background: var(--accent);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 800;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  z-index: 3;
}

[data-view="mobile-flat"] .drag-handle {
  top: -2px;
  left: 2px;
  right: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 9px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25);
  opacity: 0.6;
}

/* ==============================================================
   VIEW THEME 2: [mobile-list] 📑 원핸드 콤팩트 리스트
   ============================================================== */
[data-view="mobile-list"] .bookmarks-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  margin-bottom: 24px;
}

[data-view="mobile-list"] .bookmark-card {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-btn);
  backdrop-filter: blur(10px);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  gap: 12px;
  transition: all 0.15s ease;
}

[data-view="mobile-list"] .bookmark-card:active {
  transform: scale(0.98);
  background: var(--bg-surface-hover);
}

[data-view="mobile-list"] .favicon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-view="mobile-list"] .favicon-img {
  width: 22px;
  height: 22px;
}

[data-view="mobile-list"] .card-info-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

[data-view="mobile-list"] .card-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-view="mobile-list"] .card-domain {
  font-size: 0.72rem;
  color: var(--text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-view="mobile-list"] .click-badge {
  position: static;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}

/* ==============================================================
   VIEW THEME 3: [pc-card] 🗂️ PC 모던 글래스 대시보드
   ============================================================== */
[data-view="pc-card"] .bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px 12px;
  width: 100%;
  margin-bottom: 24px;
}

@media (min-width: 600px) {
  [data-view="pc-card"] .bookmarks-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

[data-view="pc-card"] .bookmark-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 10px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.2s, background-color 0.2s, border-color 0.2s;
}

[data-view="pc-card"] .bookmark-card:hover {
  transform: translateY(-3px);
  background: var(--bg-surface-hover);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-card);
}

[data-view="pc-card"] .favicon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

[data-view="pc-card"] .favicon-img {
  width: 28px;
  height: 28px;
}

[data-view="pc-card"] .card-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-main);
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-view="pc-card"] .card-domain {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
}

[data-view="pc-card"] .click-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
}

/* ==============================================================
   VIEW THEME 4: [pc-compact] 📊 파워유저 초고밀도 북마크바
   ============================================================== */
[data-view="pc-compact"] .bookmarks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 10px;
  width: 100%;
  margin-bottom: 24px;
}

@media (min-width: 600px) {
  [data-view="pc-compact"] .bookmarks-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

[data-view="pc-compact"] .bookmark-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition: background-color 0.15s, border-color 0.15s;
}

[data-view="pc-compact"] .bookmark-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--accent);
}

[data-view="pc-compact"] .favicon-wrap {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

[data-view="pc-compact"] .favicon-img {
  width: 18px;
  height: 18px;
}

[data-view="pc-compact"] .card-info-wrap {
  flex: 1;
  min-width: 0;
}

[data-view="pc-compact"] .card-title {
  font-size: 0.8rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-view="pc-compact"] .card-domain {
  display: none; /* Hide domain in compact mode for maximum density */
}

[data-view="pc-compact"] .click-badge {
  font-size: 0.65rem;
  color: var(--text-dim);
  background: transparent;
  padding: 0;
  margin-left: auto;
}

/* ==============================================================
   Galaxy One UI Style: Long-Press Edit Mode & Jiggle Animation
   ============================================================== */
@keyframes galaxy-jiggle {
  0% { transform: rotate(-1.5deg) scale(0.96); }
  50% { transform: rotate(1.5deg) scale(1); }
  100% { transform: rotate(-1.5deg) scale(0.96); }
}

/* Prevent native browser link and image dragging */
.bookmark-card,
.bookmark-card *,
.favicon-img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
}

/* Normal Mode: Hide handles and delete buttons for 100% clean purity */
.btn-delete-card {
  display: none !important;
}

.drag-handle {
  display: none !important;
}

/* Edit Mode Activated: Animate the favicon wrapper ONLY (keeps container DOM coords free for SortableJS) */
.is-editing-mode,
.is-editing-mode #bookmarks-grid,
.is-editing-mode .bookmark-card {
  touch-action: none !important; /* Completely prevent scroll interception during edit/drag */
  user-select: none !important;
  -webkit-user-select: none !important;
}

.is-editing-mode .bookmark-card .favicon-wrap {
  animation: galaxy-jiggle 0.28s infinite alternate ease-in-out;
}

.is-editing-mode .bookmark-card:nth-child(2n) .favicon-wrap {
  animation-duration: 0.31s;
  animation-delay: -0.06s;
}

.is-editing-mode .bookmark-card:nth-child(3n) .favicon-wrap {
  animation-duration: 0.25s;
  animation-delay: -0.14s;
}

/* While actively dragging, halt jiggle immediately so it sticks perfectly to the finger */
.bookmark-card.is-chosen .favicon-wrap,
.bookmark-card.is-dragging .favicon-wrap,
.sortable-ghost .favicon-wrap {
  animation: none !important;
}

/* Delete Button in Edit Mode: Cute round badge on top-right */
.is-editing-mode .btn-delete-card {
  position: absolute !important;
  top: -4px !important;
  right: -2px !important;
  left: auto !important;
  width: 20px !important;
  height: 20px !important;
  border-radius: 50% !important;
  background: var(--danger) !important;
  color: #ffffff !important;
  border: 2px solid var(--bg-primary) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.45) !important;
  font-size: 13px !important;
  font-weight: 800 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  z-index: 20 !important;
  opacity: 1 !important;
  line-height: 1 !important;
  padding: 0 !important;
  transition: transform 0.15s ease;
}

.is-editing-mode .btn-delete-card:active {
  transform: scale(0.85) !important;
}

/* Edit Done Pill Button in Toolbar */
.btn-edit-mode {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-edit-mode:hover, .btn-edit-mode:active {
  color: var(--text-main);
  background: var(--bg-surface-hover);
}

.btn-edit-mode.is-active {
  background: #10b981;
  border-color: #10b981;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
}

/* SortableJS Dragging Feedbacks & Fallback Clipping Escape */
.sortable-drag,
.sortable-fallback {
  position: fixed !important;
  z-index: 99999 !important;
  pointer-events: none !important;
  opacity: 0.92 !important;
  transform: scale(1.15) !important;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.55) !important;
}

.sortable-ghost,
.bookmark-card.is-dragging {
  opacity: 0.2 !important;
  border: 1px dashed var(--accent) !important;
  transform: scale(0.92) !important;
  pointer-events: none !important;
}

.bookmark-card.is-chosen {
  background: var(--bg-surface-hover) !important;
  border-color: var(--accent) !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5) !important;
  transform: scale(1.1) !important;
  z-index: 100 !important;
}

.bookmark-card {
  -webkit-touch-callout: none;
  touch-action: pan-y;
}

.btn-delete-card {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  border: none;
  font-size: 13px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.8;
  z-index: 5;
  transition: opacity 0.15s;
}

.bookmark-card:hover .btn-delete-card {
  display: flex;
}

.btn-delete-card:hover {
  opacity: 1;
  background: var(--danger);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 16px;
  text-align: center;
  background: var(--bg-surface);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-card);
}

.empty-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
  opacity: 0.7;
}

.empty-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-main);
}

.empty-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.4;
}

/* Footer */
.app-footer {
  margin-top: auto;
  padding: 24px 0 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-subtle);
}

.footer-links {
  display: flex;
  gap: 16px;
  font-size: 0.78rem;
}

.footer-link-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s;
}

.footer-link-btn:hover {
  color: var(--text-main);
}

.footer-copy {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  display: flex;
  opacity: 1;
}

.modal-window {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s ease;
  overflow: hidden;
}

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

.modal-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.modal-footer {
  padding: 14px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--border-subtle);
}

/* Modal Tabs */
.modal-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 6px 12px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-pill);
}

.tab-btn.active {
  background: var(--bg-surface-hover);
  color: var(--accent);
}

.info-box {
  background: rgba(56, 189, 248, 0.08);
  border-left: 3px solid var(--accent);
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.82rem;
  color: var(--text-main);
}

/* Theme Picker Radio Card List */
.theme-picker-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 12px 0 16px;
}

.theme-card-option {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  border-radius: var(--radius-btn);
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.theme-card-option:hover {
  border-color: var(--accent);
  background: var(--bg-surface-hover);
}

.theme-card-option.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}

.theme-card-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.theme-card-desc {
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.3;
}