:root {
  --sidebar-w: 320px;
  --primary: #6366f1;
  --bg: #f8fafd;
  --surface: rgba(255,255,255,0.6);
  --glass: rgba(255,255,255,0.75);
  --text: #1e1e2f;
  --text2: #64748b;
  --border: rgba(0,0,0,0.04);
  --shadow1: 0 4px 20px rgba(0,0,0,0.03);
  --shadow2: 0 8px 30px rgba(0,0,0,0.05);
  --shadow3: 0 20px 50px rgba(0,0,0,0.08);
  --radius: 22px;
  --font: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

body.dark {
  --bg: #0f172a;
  --surface: rgba(30,41,59,0.7);
  --glass: rgba(30,41,59,0.8);
  --text: #f1f5f9;
  --text2: #94a3b8;
  --border: rgba(255,255,255,0.05);
  --shadow1: 0 4px 20px rgba(0,0,0,0.2);
  --shadow2: 0 8px 30px rgba(0,0,0,0.3);
  --shadow3: 0 20px 50px rgba(0,0,0,0.4);
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s, color 0.3s;
  background-image:
    radial-gradient(ellipse at 20% 30%, rgba(99,102,241,0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(236,72,153,0.04) 0%, transparent 60%);
}

.sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(175deg, #0b0f1a 0%, #131a2c 100%);
  color: white;
  border-right: 1px solid rgba(255,255,255,0.03);
  box-shadow: 4px 0 25px rgba(0,0,0,0.3);
  padding: 32px 18px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
  transition: transform 0.3s ease;
  scrollbar-width: thin;
  scrollbar-color: rgba(148, 163, 184, 0.35) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

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

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.32);
  border-radius: 999px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: rgba(167, 139, 250, 0.48);
}

.sidebar h2 {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(to right, #c084fc, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-left: 8px;
}

.section-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #8b9bb4;
  margin-bottom: 12px;
  font-weight: 600;
  padding-left: 12px;
}

.section-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-right: 4px;
}

.nav-edit-toggle {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: #cbd5e1;
  font-size: 11px;
  line-height: 1;
  padding: 5px 9px;
  cursor: pointer;
}

.nav-edit-toggle:hover,
.nav-edit-toggle.active {
  background: rgba(99,102,241,0.22);
  color: #fff;
}

.side-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  color: #cbd5e1;
  margin-bottom: 4px;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
}

.side-tag:hover { background: rgba(255,255,255,0.05); color: white; }
.side-tag.active { background: rgba(99,102,241,0.2); color: white; font-weight: 600; }
.side-tag .count { font-size: 11px; background: rgba(255,255,255,0.08); padding: 2px 10px; border-radius: 20px; margin-left: auto; }
.side-avatar {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 22px;
  overflow: hidden;
  font-size: 17px;
}

.side-avatar.has-image {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
}

.side-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.side-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-tag-row {
  position: relative;
  margin-bottom: 4px;
}

.side-tag-row .side-tag {
  margin-bottom: 0;
  cursor: grab;
}

.side-tag-row.editing .side-tag {
  padding-right: 46px;
}

.side-tag-row.dragging .side-tag {
  cursor: grabbing;
  opacity: 0.52;
  background: rgba(99,102,241,0.26);
  color: #fff;
}

.side-tag-row.drag-over-before::before,
.side-tag-row.drag-over-after::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #a78bfa, #38bdf8);
  box-shadow: 0 0 14px rgba(167,139,250,0.65);
  z-index: 2;
}

.side-tag-row.drag-over-before::before {
  top: -3px;
}

.side-tag-row.drag-over-after::after {
  bottom: -3px;
}

.side-delete-btn {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 11px;
  background: rgba(239, 68, 68, 0.08);
  color: #fca5a5;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  position: absolute;
  right: 4px;
  top: 50%;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%) scale(0.92);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.side-tag-row.editing .side-delete-btn,
.side-delete-btn:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) scale(1);
}

.side-delete-btn:hover {
  background: rgba(239, 68, 68, 0.22);
  color: #fff;
}

.theme-toggle {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  cursor: pointer;
  background: rgba(255,255,255,0.05);
  border: none;
  color: #cbd5e1;
  font-size: 14px;
  transition: 0.2s;
}
.theme-toggle:hover { background: rgba(255,255,255,0.1); }

.menu-toggle {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 110;
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  cursor: pointer;
  font-size: 20px;
  color: var(--text);
}

.overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 95; }
.overlay.show { display: block; }

.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 32px 40px 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: margin 0.3s;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.page-title {
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  font-weight: 700;
  margin-bottom: 12px;
}

.top-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.action-btn {
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 18px;
  cursor: pointer;
  backdrop-filter: blur(16px);
  font-size: 14px;
  transition: 0.2s;
}
.action-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow2); }
.action-btn.primary { background: var(--primary); color: white; border-color: var(--primary); }
.action-btn.danger { background: rgba(239,68,68,0.12); color: #ef4444; }
.action-btn:disabled,
.action-btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.breadcrumb { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 14px; color: var(--text2); }
.breadcrumb span, .breadcrumb button {
  padding: 4px 12px;
  border-radius: 20px;
  cursor: pointer;
  background: var(--surface);
  backdrop-filter: blur(12px);
  transition: 0.2s;
  border: none;
  color: var(--text2);
}
.breadcrumb span:hover, .breadcrumb button:hover { background: var(--glass); color: var(--text); }
.breadcrumb .sep { background: transparent; padding: 0; cursor: default; }

.search-box {
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-radius: 60px;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow1);
  border: 1px solid var(--border);
  transition: 0.2s;
  max-width: 560px;
}
.search-box:focus-within { box-shadow: var(--shadow2); border-color: var(--primary); }
.search-box input { border: none; background: transparent; outline: none; font-size: 15px; width: 100%; color: var(--text); }
.search-box input::placeholder { color: var(--text2); }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat-card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 20px 24px;
  box-shadow: var(--shadow1);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: 0.3s;
  position: relative;
  overflow: hidden;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow3); }
.stat-number {
  font-size: 34px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 14px; color: var(--text2); font-weight: 500; }

.material-row { display: flex; gap: 12px; flex-wrap: wrap; }
.mat-chip {
  padding: 8px 20px;
  border-radius: 30px;
  background: var(--surface);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  font-size: 13px;
  cursor: pointer;
  transition: 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text2);
}
.mat-chip.active { background: var(--primary); color: white; border-color: var(--primary); box-shadow: 0 8px 20px rgba(99,102,241,0.3); }
.dot { width: 8px; height: 8px; border-radius: 50%; }

.content-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; }

.project-card, .folder-card {
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-radius: 24px;
  box-shadow: var(--shadow1);
  border: 1px solid var(--border);
  transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
  cursor: pointer;
  overflow: hidden;
  position: relative;
  animation: cardUp 0.5s ease backwards;
}
.project-card:hover, .folder-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px -15px rgba(99,102,241,0.2);
  border-color: rgba(99,102,241,0.3);
  background: var(--glass);
}
.folder-card:hover { box-shadow: 0 0 0 2px rgba(99,102,241,0.2), var(--shadow3); }

.card-top { padding: 22px 22px 8px; display: flex; align-items: center; gap: 18px; }
.card-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.1));
  transition: transform 0.2s;
  flex-shrink: 0;
  overflow: hidden;
}
.card-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 18px; }
.project-card:hover .card-icon { transform: scale(1.05); }
.card-title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.card-sub { font-size: 13px; color: var(--text2); display: flex; align-items: center; gap: 6px; }
.card-bottom { padding: 10px 22px 22px; display: flex; flex-direction: column; gap: 10px; }
.card-cat { background: rgba(99,102,241,0.08); color: var(--primary); padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; width: fit-content; }
.card-desc { font-size: 14px; color: var(--text2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.material-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge { font-size: 12px; background: rgba(99,102,241,0.08); padding: 4px 12px; border-radius: 20px; cursor: pointer; transition: 0.2s; border: 1px solid transparent; color: var(--text); }
.badge:hover { background: rgba(99,102,241,0.15); border-color: var(--primary); }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; padding-top: 4px; }
.mini-btn { border: none; border-radius: 14px; padding: 7px 12px; cursor: pointer; background: var(--surface); color: var(--text); }
.mini-btn.primary { background: var(--primary); color: #fff; }
.mini-btn.danger { color: #ef4444; background: rgba(239,68,68,0.1); }

.empty-state { grid-column: 1 / -1; padding: 40px; text-align: center; background: var(--surface); border: 1px solid var(--border); border-radius: 24px; color: var(--text2); }

.detail-panel {
  position: fixed;
  top: 0;
  right: -640px;
  width: 640px;
  max-width: 95vw;
  height: 100vh;
  background: var(--glass);
  backdrop-filter: blur(40px);
  box-shadow: -20px 0 70px rgba(0,0,0,0.1);
  z-index: 200;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
}
.detail-panel.open { right: 0; }
.panel-header { padding: 28px 32px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.panel-close { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text2); }
.panel-body { padding: 28px 32px; flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 24px; }
.author-block { display: flex; gap: 18px; align-items: center; background: var(--surface); border-radius: 18px; padding: 18px; }
.author-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, #6366f1, #a78bfa); display: flex; align-items: center; justify-content: center; color: white; font-weight: 600; font-size: 20px; overflow: hidden; flex-shrink: 0; }
.author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.panel-section { display: flex; flex-direction: column; gap: 12px; }
.panel-section h4 { font-size: 15px; color: var(--text); }
.file-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; background: var(--surface); border-radius: 16px; border: 1px solid var(--border); transition: 0.2s; color: var(--text); }
.file-item:hover { background: var(--glass); border-left: 3px solid var(--primary); }
.file-item a, .file-item button { color: var(--primary); text-decoration: none; border: none; background: transparent; cursor: pointer; font: inherit; }

.confirm-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.45); display: grid; place-items: center; z-index: 300; padding: 20px; }
.confirm-modal { width: min(520px, 92vw); background: var(--glass); color: var(--text); border: 1px solid var(--border); border-radius: 24px; padding: 24px; backdrop-filter: blur(30px); box-shadow: var(--shadow3); }
.confirm-modal h3 { margin-bottom: 10px; }
.confirm-modal p { color: var(--text2); line-height: 1.7; margin-bottom: 16px; }
.confirm-input { width: 100%; border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; background: var(--surface); color: var(--text); margin-bottom: 10px; }
.confirm-error { min-height: 22px; color: #ef4444; }
.confirm-actions { display: flex; justify-content: flex-end; gap: 10px; }
.intro-edit-input {
  min-height: 140px;
  resize: vertical;
  line-height: 1.7;
  font: inherit;
}

.intro-edit-modal {
  width: min(720px, 94vw);
}

.intro-edit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 8px;
}

.intro-edit-field {
  display: grid;
  gap: 7px;
}

.intro-edit-field span {
  color: var(--text2);
  font-size: 12px;
}

.intro-edit-field .confirm-input {
  margin-bottom: 0;
}

.intro-edit-full {
  grid-column: 1 / -1;
}

@keyframes cardUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.home-page {
  --ui-primary: #8b5cf6;
  --ui-primary-light: #a78bfa;
  --ui-accent: #06b6d4;
  --ui-bg: #07090e;
  --ui-surface: rgba(18, 22, 32, 0.65);
  --ui-glass: rgba(25, 30, 42, 0.75);
  --ui-text: #f1f5f9;
  --ui-text2: #94a3b8;
  --ui-border: rgba(255, 255, 255, 0.08);
  --ui-border-soft: rgba(255, 255, 255, 0.06);
  --ui-shadow1: 0 8px 30px rgba(0, 0, 0, 0.35);
  --ui-shadow2: 0 15px 40px rgba(0, 0, 0, 0.45);
  --ui-shadow3: 0 25px 50px rgba(0, 0, 0, 0.6);
  background:
    radial-gradient(ellipse at 30% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(6, 182, 212, 0.06) 0%, transparent 55%),
    var(--ui-bg);
  color: var(--ui-text);
  overflow-x: hidden;
}

.form-page,
.detail-page {
  --primary: #8b5cf6;
  --bg: #07090e;
  --surface: rgba(18, 22, 32, 0.65);
  --glass: rgba(25, 30, 42, 0.75);
  --text: #f1f5f9;
  --text2: #94a3b8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow1: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow2: 0 15px 40px rgba(0, 0, 0, 0.45);
  --shadow3: 0 25px 50px rgba(0, 0, 0, 0.6);
  background:
    radial-gradient(ellipse at 30% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(6, 182, 212, 0.06) 0%, transparent 55%),
    #07090e;
  color: var(--text);
  overflow-x: hidden;
}

.form-page::before,
.detail-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 80px 80px;
}

.form-page .main,
.detail-page .container {
  position: relative;
  z-index: 1;
}

.form-page .page-title,
.detail-page .hero-title {
  color: var(--text);
  background: linear-gradient(135deg, #f8fafc 0%, #c4b5fd 45%, #67e8f9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 80px 80px;
  animation: bgDrift 18s linear infinite;
}

.home-page .main {
  position: relative;
  z-index: 1;
  gap: 28px;
  color: var(--ui-text);
}

.home-page .topbar {
  align-items: flex-start;
}

.home-page .page-title {
  color: var(--ui-text);
  background: linear-gradient(135deg, #f8fafc 0%, #c4b5fd 45%, #67e8f9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-page .breadcrumb {
  color: var(--ui-text2);
}

.home-page .breadcrumb span,
.home-page .breadcrumb button {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ui-text2);
  border: 1px solid var(--ui-border-soft);
}

.home-page .breadcrumb span:hover,
.home-page .breadcrumb button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ui-text);
}

.home-page .breadcrumb .sep {
  background: transparent;
  border-color: transparent;
}

.home-page .breadcrumb-under-search {
  width: min(640px, 100%);
  min-height: 30px;
  margin-top: -8px;
}

.home-page .action-btn {
  background: rgba(255, 255, 255, 0.03);
  color: #e2e8f0;
  border-color: rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  box-shadow: none;
}

.home-page .action-btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--ui-shadow2);
}

.home-page .action-btn:disabled,
.home-page .action-btn.is-disabled {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.08);
  color: rgba(226, 232, 240, 0.55);
}

.home-page .action-btn.primary {
  background: rgba(139, 92, 246, 0.2);
  border-color: rgba(139, 92, 246, 0.4);
  color: #c4b5fd;
}

.home-page .action-btn.primary:hover {
  background: rgba(139, 92, 246, 0.3);
  border-color: rgba(139, 92, 246, 0.6);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.home-page .action-btn.danger {
  background: rgba(248, 113, 113, 0.08);
  color: #f87171;
  border-color: rgba(248, 113, 113, 0.16);
}

.home-page .action-btn.danger:hover {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.65);
}

.home-page .search-box {
  background: var(--ui-glass);
  backdrop-filter: blur(30px);
  border: 1px solid var(--ui-border);
  box-shadow: var(--ui-shadow1);
  padding: 14px 28px;
  gap: 14px;
}

.home-page .search-filter-row {
  display: grid;
  grid-template-columns: minmax(360px, 640px) minmax(520px, 1fr);
  align-items: center;
  gap: 12px;
}

.home-page .search-filter-row .search-box {
  max-width: none;
  width: 100%;
}

.home-page .search-box:focus-within {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.5), var(--ui-shadow2);
}

.home-page .search-box input {
  color: var(--ui-text);
}

.home-page .search-box input::placeholder {
  color: var(--ui-text2);
}

.home-page .stat-card {
  background: var(--ui-surface);
  backdrop-filter: blur(18px);
  border-color: var(--ui-border-soft);
  border-radius: var(--radius);
  box-shadow: var(--ui-shadow1);
  padding: 22px 24px;
}

.home-page .stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ui-shadow3);
}

.home-page .stat-number {
  font-size: 36px;
  background: linear-gradient(135deg, #c084fc, var(--ui-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-page .stat-label {
  color: var(--ui-text2);
}

.home-page .search-filter-row .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(112px, 1fr));
  gap: 10px;
}

.home-page .search-filter-row .stat-card {
  min-height: 58px;
  padding: 10px 14px;
  border-radius: 16px;
  gap: 2px;
}

.home-page .search-filter-row .stat-card:hover {
  transform: translateY(-2px);
}

.home-page .search-filter-row .stat-number {
  font-size: 22px;
  line-height: 1.15;
}

.home-page .search-filter-row .stat-label {
  font-size: 12px;
}

.home-page .material-row-hidden {
  display: none;
}

.home-page .material-row {
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.home-page .mat-chip {
  min-height: 38px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--ui-border);
  color: var(--ui-text2);
  backdrop-filter: blur(8px);
  font-size: 13px;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.home-page .mat-chip:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(167, 139, 250, 0.3);
}

.home-page .mat-chip.active {
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.35);
  color: #c4b5fd;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.15);
}

.home-page .project-card,
.home-page .folder-card,
.home-page .empty-state {
  background: var(--ui-surface);
  backdrop-filter: blur(20px);
  border-color: var(--ui-border);
  box-shadow: var(--ui-shadow1);
}

.home-page .project-card:hover,
.home-page .folder-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 35px -10px rgba(139, 92, 246, 0.2);
  border-color: rgba(139, 92, 246, 0.25);
  background: rgba(25, 30, 42, 0.85);
}

.home-page .folder-card:hover {
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.22), 0 20px 35px -10px rgba(139, 92, 246, 0.2);
}

.home-page .card-icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(6, 182, 212, 0.15));
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.home-page .project-card:hover .card-icon,
.home-page .folder-card:hover .card-icon {
  transform: scale(1.05);
}

.home-page .card-title {
  color: var(--ui-text);
  font-size: 16px;
  line-height: 1.35;
  margin-bottom: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.home-page .card-sub,
.home-page .card-desc,
.home-page .empty-state {
  color: var(--ui-text2);
}

.home-page .card-cat,
.home-page .badge,
.home-page .tag-chip {
  background: rgba(139, 92, 246, 0.1);
  color: #b4a2f7;
  border: 1px solid rgba(139, 92, 246, 0.25);
}

.home-page .badge:hover {
  background: rgba(139, 92, 246, 0.18);
  border-color: rgba(139, 92, 246, 0.45);
}

.home-page .mini-btn,
.home-page .card .btn {
  background: rgba(255, 255, 255, 0.03);
  color: #e2e8f0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.home-page .mini-btn:hover,
.home-page .card .btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.4);
}

.home-page .mini-btn.primary,
.home-page .card .btn.primary {
  background: rgba(139, 92, 246, 0.2);
  border-color: rgba(139, 92, 246, 0.4);
  color: #c4b5fd;
}

.home-page .mini-btn.primary:hover,
.home-page .card .btn.primary:hover {
  background: rgba(139, 92, 246, 0.3);
  border-color: rgba(139, 92, 246, 0.6);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.home-page .mini-btn.danger,
.home-page .card .btn.danger {
  background: rgba(248, 113, 113, 0.08);
  border-color: rgba(248, 113, 113, 0.16);
  color: #f87171;
}

.home-page .mini-btn.danger:hover,
.home-page .card .btn.danger:hover {
  background: rgba(248, 113, 113, 0.15);
  border-color: rgba(248, 113, 113, 0.65);
}

.home-page .detail-panel,
.home-page .confirm-modal {
  background: rgba(25, 30, 42, 0.86);
  color: var(--ui-text);
  border-color: var(--ui-border);
  box-shadow: var(--ui-shadow3);
}

.home-page .panel-header {
  border-bottom-color: var(--ui-border);
}

.home-page .panel-close {
  color: var(--ui-text2);
}

.home-page .author-block,
.home-page .file-item,
.home-page .confirm-input {
  background: var(--ui-surface);
  border-color: var(--ui-border);
  color: var(--ui-text);
}

.home-page .file-item:hover {
  background: var(--ui-glass);
  border-left-color: var(--ui-primary);
}

.home-page .file-item a,
.home-page .file-item button {
  color: #c4b5fd;
}

.home-page .panel-section h4,
.home-page .confirm-modal h3 {
  color: var(--ui-text);
}

.home-page .confirm-modal p {
  color: var(--ui-text2);
}

@keyframes bgDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 80px 80px, 80px 80px; }
}

@media (max-width: 900px) {
  .topbar { flex-direction: column; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .home-page .search-filter-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: 280px; }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: flex; }
  .main { margin-left: 0; padding: 76px 20px 80px; }
  .stats-grid { grid-template-columns: 1fr; }
  .content-grid { grid-template-columns: 1fr; }
}

.form-page .main {
  justify-content: flex-start;
}

.form-page .action-btn,
.detail-page .btn {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: #e2e8f0;
  text-decoration: none;
  border-radius: 14px;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.form-page .action-btn:hover,
.detail-page .btn:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow2);
}

.form-page .action-btn.primary {
  background: rgba(139, 92, 246, 0.2);
  border-color: rgba(139, 92, 246, 0.4);
  color: #c4b5fd;
}

.form-page .action-btn.primary:hover {
  background: rgba(139, 92, 246, 0.3);
  border-color: rgba(139, 92, 246, 0.6);
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.form-shell {
  width: min(920px, 100%);
  display: grid;
  gap: 24px;
}

.form-card {
  background: var(--surface);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow2);
  padding: 30px;
}

.form-page .form-card,
.form-page .hero-category-card,
.form-page .card,
.detail-page .hero-category-card {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--shadow1);
}

.form-page .field input,
.form-page .field select,
.form-page .field textarea {
  background: rgba(25, 30, 42, 0.75);
  border-color: var(--border);
  color: var(--text);
}

.form-page .field input:focus,
.form-page .field select:focus,
.form-page .field textarea:focus {
  border-color: rgba(139, 92, 246, 0.65);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.18);
}

.form-page .field input::placeholder,
.form-page .field textarea::placeholder {
  color: var(--text2);
}

.form-title {
  font-size: clamp(24px, 3vw, 34px);
  margin-bottom: 8px;
}

.form-subtitle {
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 26px;
}

.create-form {
  display: grid;
  gap: 20px;
}

.field {
  display: grid;
  gap: 9px;
}

.field label {
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 15px 16px;
  color: var(--text);
  background: var(--input-bg, rgba(255,255,255,0.52));
  outline: none;
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(129, 140, 248, 0.78);
  box-shadow: 0 0 0 5px rgba(129, 140, 248, 0.14);
  background: var(--glass);
}

.field input[type="file"] {
  padding: 13px 16px;
  cursor: pointer;
}

.avatar-upload-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.avatar-preview-image {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(99,102,241,0.14), rgba(192,132,252,0.14));
  border: 1px solid var(--border);
}

.avatar-preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.field-hint {
  color: var(--text2);
  font-size: 13px;
  line-height: 1.6;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 6px;
}

.form-actions .action-btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
}

.form-actions .action-btn.primary {
  padding-left: 22px;
  padding-right: 22px;
}

.detail-shell {
  width: min(1180px, 100%);
}

.small-title {
  margin: 18px 0 14px;
  font-size: 22px;
}

.detail-actions {
  max-width: 620px;
}

.detail-cards {
  display: grid;
  gap: 18px;
}

.hero-category-card,
.card {
  background: var(--surface);
  backdrop-filter: blur(22px);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: var(--shadow1);
  padding: 22px;
}

.hero-main {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.hero-avatar,
.avatar {
  width: 86px;
  height: 86px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(99,102,241,0.14), rgba(192,132,252,0.14));
  color: var(--primary);
}

.hero-avatar img,
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-title {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
  margin-bottom: 8px;
}

.hero-desc,
.card-desc {
  color: var(--text2);
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.hero-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text2);
  border: 1px solid var(--border);
}

.hero-stat strong {
  color: var(--text);
}

.hero-stat em {
  font-style: normal;
  font-size: 12px;
}

.card {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: 16px;
  animation: cardUp 0.45s ease backwards;
}

.content-col {
  display: grid;
  gap: 10px;
  align-content: center;
}

.avatar-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-fallback {
  color: var(--text2);
  font-size: 13px;
}

.tag-chip {
  display: inline-flex;
  border-radius: 999px;
  padding: 5px 11px;
  background: rgba(99,102,241,0.1);
  color: var(--primary);
  font-size: 12px;
}

.detail-page .container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 36px 0 80px;
}

.detail-page .actions {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 20px;
}

.detail-page .btn {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 16px;
}

.detail-page #imageView {
  border: 1px solid var(--border);
  box-shadow: var(--shadow2);
}

.tags-preview,
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card .card-actions {
  padding-top: 0;
}

.card .btn {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px 12px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.card .btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.card .btn.danger {
  background: rgba(239,68,68,0.12);
  color: #ef4444;
}

@media (max-width: 680px) {
  .hero-main,
  .card {
    grid-template-columns: 1fr;
  }
}

/* Aurora UI refresh: keep the existing navigation intact, restyle content surfaces. */
.home-page,
.form-page,
.detail-page {
  --ui-primary: #a78bfa;
  --ui-primary-soft: rgba(167, 139, 250, 0.3);
  --ui-accent: #38bdf8;
  --ui-bg: #06080d;
  --ui-surface: rgba(255, 255, 255, 0.03);
  --ui-glass: rgba(255, 255, 255, 0.06);
  --ui-text: #f1f5f9;
  --ui-text2: #94a3b8;
  --ui-border: rgba(255, 255, 255, 0.06);
  --ui-shadow1: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ui-shadow2: 0 16px 40px rgba(0, 0, 0, 0.5);
  --primary: #a78bfa;
  --bg: #06080d;
  --surface: rgba(255, 255, 255, 0.03);
  --glass: rgba(255, 255, 255, 0.06);
  --text: #f1f5f9;
  --text2: #94a3b8;
  --border: rgba(255, 255, 255, 0.06);
  --shadow1: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow2: 0 16px 40px rgba(0, 0, 0, 0.5);
  background:
    radial-gradient(ellipse at 20% 30%, rgba(167, 139, 250, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(56, 189, 248, 0.06) 0%, transparent 60%),
    #06080d;
  color: var(--ui-text);
}

.stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #fff;
  border-radius: 50%;
  opacity: 0.3;
  animation: twinkle 5s infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.2; transform: scale(1); }
  100% { opacity: 0.7; transform: scale(1.5); }
}

.home-page::before,
.form-page::before,
.detail-page::before {
  background-image:
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 88px 88px;
}

.home-page .main {
  gap: 28px;
}

.home-page .page-title,
.form-page .page-title,
.detail-page .hero-title {
  background: linear-gradient(135deg, #f1f5f9, #c4b5fd 48%, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-page .search-box,
.form-page .form-card,
.form-page .hero-category-card,
.form-page .card,
.detail-page .hero-category-card,
.detail-page #imageView,
.confirm-modal {
  background: var(--ui-glass);
  backdrop-filter: blur(30px);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--ui-shadow1);
}

.home-page .search-box {
  border-radius: 60px;
  padding: 14px 28px;
}

.home-page .search-box:focus-within,
.form-page .field input:focus,
.form-page .field select:focus,
.form-page .field textarea:focus {
  border-color: rgba(167,139,250,0.4);
  box-shadow: 0 0 0 2px var(--ui-primary-soft), var(--ui-shadow2);
}

.home-page .search-filter-row .stat-card,
.home-page .project-card,
.home-page .folder-card,
.home-page .empty-state {
  background: var(--ui-surface);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--ui-shadow1);
}

.home-page .search-filter-row .stat-card {
  min-height: 58px;
  padding: 10px 16px;
  border-radius: 18px;
}

.home-page .stat-card:hover,
.home-page .project-card:hover,
.home-page .folder-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 35px -10px rgba(167,139,250,0.2);
  border-color: rgba(167,139,250,0.3);
  background: rgba(255,255,255,0.05);
}

.home-page .stat-number {
  background: linear-gradient(135deg, #c084fc, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-page .project-card,
.home-page .folder-card {
  border-radius: 24px;
}

.home-page .card-icon,
.form-page .hero-avatar,
.form-page .avatar,
.avatar-preview-image {
  background: linear-gradient(135deg, rgba(167,139,250,0.2), rgba(56,189,248,0.15));
}

.home-page .card-cat,
.home-page .badge,
.form-page .tag-chip,
.form-page .hero-stat,
.home-page .breadcrumb button,
.home-page .breadcrumb span {
  background: rgba(167,139,250,0.12);
  border: 1px solid rgba(167,139,250,0.24);
  color: #c4b5fd;
}

.home-page .breadcrumb .sep {
  background: transparent;
  border-color: transparent;
  color: var(--ui-text2);
}

.home-page .mini-btn,
.home-page .action-btn,
.form-page .action-btn,
.detail-page .btn,
.card .btn {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  color: #e2e8f0;
  border-radius: 14px;
  transition: 0.3s;
}

.home-page .mini-btn:hover,
.home-page .action-btn:hover,
.form-page .action-btn:hover,
.detail-page .btn:hover,
.card .btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(167,139,250,0.4);
  box-shadow: var(--ui-shadow2);
}

.home-page .mini-btn.primary,
.home-page .action-btn.primary,
.form-page .action-btn.primary,
.card .btn.primary {
  background: rgba(167,139,250,0.15);
  border-color: rgba(167,139,250,0.4);
  color: #d8b4fe;
}

.home-page .mini-btn.primary:hover,
.home-page .action-btn.primary:hover,
.form-page .action-btn.primary:hover,
.card .btn.primary:hover {
  background: rgba(167,139,250,0.25);
  box-shadow: 0 0 15px rgba(167,139,250,0.3);
}

.home-page .mini-btn.danger,
.home-page .action-btn.danger,
.card .btn.danger {
  background: rgba(248,113,113,0.08);
  border-color: rgba(248,113,113,0.18);
  color: #f87171;
}

.home-page .mini-btn.danger:hover,
.home-page .action-btn.danger:hover,
.card .btn.danger:hover {
  background: rgba(248,113,113,0.15);
  border-color: #f87171;
}

.form-page .field input,
.form-page .field select,
.form-page .field textarea,
.confirm-input {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
  color: var(--ui-text);
}

.form-page .field input::placeholder,
.form-page .field textarea::placeholder {
  color: var(--ui-text2);
}

.home-page .detail-panel {
  right: -680px;
  width: 640px;
  max-width: 94vw;
  background: rgba(14, 18, 28, 0.95);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  box-shadow: -20px 0 60px rgba(0,0,0,0.6);
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 1px solid rgba(255,255,255,0.08);
}

.home-page .detail-panel.open {
  right: 0;
}

.home-page .panel-header {
  padding: 28px 32px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.home-page .panel-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 32px;
  width: 60px;
  height: 2px;
  background: linear-gradient(to right, #a78bfa, transparent);
  border-radius: 1px;
}

.home-page .panel-header h3 {
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, #f1f5f9, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.home-page .panel-close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  color: var(--ui-text2);
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s;
}

.home-page .panel-close:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  transform: rotate(90deg);
}

.home-page .panel-body {
  padding: 28px 32px 32px;
  gap: 28px;
  scroll-behavior: smooth;
}

.home-page .panel-body::-webkit-scrollbar { width: 4px; }
.home-page .panel-body::-webkit-scrollbar-track { background: transparent; }
.home-page .panel-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }
.home-page .panel-body::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

.detail-project-header {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 4px 0 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.detail-icon {
  width: 68px;
  height: 68px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(167,139,250,0.3), rgba(56,189,248,0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.detail-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-meta { flex: 1; min-width: 0; }
.detail-title { font-size: 22px; font-weight: 700; margin-bottom: 8px; letter-spacing: 0; }
.detail-path { display: flex; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--ui-text2); margin-bottom: 12px; }
.detail-path span {
  background: rgba(167,139,250,0.1);
  padding: 3px 12px;
  border-radius: 20px;
  border: 1px solid rgba(167,139,250,0.2);
  color: #c4b5fd;
}
.detail-stats { display: flex; gap: 24px; flex-wrap: wrap; font-size: 13px; color: var(--ui-text2); }
.detail-stats span { display: flex; align-items: center; gap: 6px; }

.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ui-text2);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(255,255,255,0.06), transparent);
}

.sub-list,
.material-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sub-item,
.material-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  transition: 0.25s;
  backdrop-filter: blur(4px);
}

.sub-item:hover,
.material-item:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(167,139,250,0.3);
  transform: translateX(6px);
}

.sub-item .name,
.material-item .name {
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.material-thumb {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  overflow: hidden;
  flex: 0 0 42px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
}

.material-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.material-text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  text-align: left;
}

.material-text .name,
.material-meta {
  max-width: 100%;
  text-align: left;
}

.material-text .name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-meta {
  font-size: 12px;
  color: var(--text2);
}

.sub-item .arrow,
.material-item .action {
  color: var(--ui-primary);
  font-weight: 600;
  font-size: 13px;
  transition: 0.2s;
  flex-shrink: 0;
}

.sub-item:hover .arrow,
.material-item:hover .action {
  transform: translateX(4px);
}

.material-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.material-action-btn {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 11px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #dbe4f0;
  cursor: pointer;
  font-size: 13px;
  transition: 0.2s;
}

.material-action-btn:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(167,139,250,0.42);
  color: #fff;
}

.material-action-btn.primary {
  background: rgba(167,139,250,0.16);
  border-color: rgba(167,139,250,0.36);
  color: #d8b4fe;
}

.material-action-btn.danger {
  background: rgba(248,113,113,0.08);
  border-color: rgba(248,113,113,0.18);
  color: #f87171;
}

.material-action-btn.danger:hover {
  background: rgba(248,113,113,0.15);
  border-color: rgba(248,113,113,0.65);
  color: #fecaca;
}

.article-preview-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.article-skin-toggle {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(167,139,250,0.36);
  background: rgba(167,139,250,0.13);
  color: #e9d5ff;
  cursor: pointer;
  font-size: 13px;
  transition: 0.2s;
}

.article-skin-toggle:hover {
  background: rgba(167,139,250,0.24);
  border-color: rgba(167,139,250,0.6);
}

.article-preview-modal.article-skin-paper {
  background: #f8f3e8;
  color: #2f241b;
  border-color: rgba(77, 58, 38, 0.2);
}

.article-preview-modal.article-skin-paper .app-form-head {
  border-bottom-color: rgba(77, 58, 38, 0.14);
}

.article-preview-modal.article-skin-paper .app-form-head h3,
.article-preview-modal.article-skin-paper .article-preview-body h1,
.article-preview-modal.article-skin-paper .article-preview-body h2,
.article-preview-modal.article-skin-paper .article-preview-body h3 {
  color: #241a13;
}

.article-preview-modal.article-skin-paper .app-form-head p,
.article-preview-modal.article-skin-paper .article-preview-body {
  color: #5b4a3d;
}

.article-preview-modal.article-skin-paper .panel-close,
.article-preview-modal.article-skin-paper .article-skin-toggle {
  background: rgba(77, 58, 38, 0.08);
  border-color: rgba(77, 58, 38, 0.16);
  color: #4b382b;
}

.course-keyword-box {
  margin-bottom: 24px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(167,139,250,0.08);
  border: 1px solid rgba(167,139,250,0.22);
  display: grid;
  gap: 7px;
}

.course-keyword-box span {
  color: #98a6ba;
  font-size: 12px;
}

.course-keyword-box strong {
  color: #f8fafc;
  font-size: 18px;
}

.course-directory-list {
  display: grid;
  gap: 10px;
  padding-left: 1.4em;
}

.course-directory-list li {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.06);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 12px;
}

.info-item {
  grid-column: span 4;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)),
    rgba(255,255,255,0.022);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 18px;
  padding: 15px 17px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: 0.2s;
  min-height: 82px;
}

.info-item:hover {
  background: rgba(255,255,255,0.055);
  border-color: rgba(167,139,250,0.24);
}

.info-item .label {
  font-size: 12px;
  color: var(--ui-text2);
  letter-spacing: 0;
}

.info-item .value {
  font-size: 15px;
  font-weight: 500;
  color: #e2e8f0;
  word-break: break-all;
  line-height: 1.6;
}

.info-full {
  grid-column: 1 / -1;
}

.info-primary {
  min-height: auto;
  padding: 18px 20px;
  background:
    linear-gradient(135deg, rgba(167,139,250,0.12), rgba(56,189,248,0.045)),
    rgba(255,255,255,0.028);
  border-color: rgba(167,139,250,0.22);
}

.info-primary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, #a78bfa, #38bdf8);
}

.info-primary .label {
  color: #c4b5fd;
}

.info-primary .value {
  font-size: 16px;
  color: #f8fafc;
  line-height: 1.75;
}

.empty-panel-note {
  color: var(--ui-text2);
  padding: 12px;
  font-size: 14px;
}

.action-buttons {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.detail-top-actions {
  margin-top: -4px;
  margin-bottom: 6px;
  padding-top: 0;
  border-top: 0;
}

.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.section-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.section-actions .mini-btn {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 650;
  line-height: 1;
}

.action-buttons .mini-btn {
  flex: 1;
  justify-content: center;
  font-weight: 500;
  min-height: 42px;
}

@media (max-width: 768px) {
  .home-page .detail-panel {
    width: 100%;
    right: -100%;
  }

  .detail-project-header,
  .action-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .section-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .intro-edit-grid {
    grid-template-columns: 1fr;
  }
}

body.home-page.detail-modal-open::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(0, 0, 0, 0.58);
  backdrop-filter: blur(5px);
}

body.home-page .detail-panel {
  top: 50%;
  left: 50%;
  right: auto;
  bottom: auto;
  width: min(1180px, calc(100vw - 72px));
  max-width: calc(100vw - 72px);
  height: min(820px, calc(100vh - 72px));
  max-height: calc(100vh - 72px);
  border-radius: 26px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -48%) scale(0.96);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 28px 90px rgba(0,0,0,0.72);
}

body.home-page .detail-panel.open {
  right: auto;
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
}

body.home-page .detail-panel .panel-body {
  padding: 28px 34px 34px;
}

body.home-page .detail-panel .info-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

@media (max-width: 900px) {
  body.home-page .detail-panel {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
    height: calc(100vh - 28px);
    max-height: calc(100vh - 28px);
    border-radius: 20px;
  }

  body.home-page .detail-panel .info-grid {
    grid-template-columns: 1fr;
  }

  body.home-page .detail-panel .info-item,
  body.home-page .detail-panel .info-full {
    grid-column: 1 / -1;
  }
}

/* Polished create/edit forms for project and resource pages. */
.project-form-page .main,
.resource-form-page .main {
  padding-top: 28px;
  padding-right: clamp(24px, 5vw, 72px);
  padding-bottom: 80px;
  padding-left: clamp(24px, 5vw, 72px);
}

.project-form-page .form-shell,
.resource-form-page .form-shell {
  width: min(1120px, 100%);
  gap: 26px;
}

.project-form-page .topbar,
.resource-form-page .topbar {
  align-items: flex-start;
}

.project-form-page .page-title,
.resource-form-page .page-title {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 0.95;
  margin-bottom: 18px;
}

.project-form-page .breadcrumb,
.resource-form-page .breadcrumb {
  gap: 9px;
}

.project-form-page .breadcrumb button,
.project-form-page .breadcrumb span,
.resource-form-page .breadcrumb button,
.resource-form-page .breadcrumb span {
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.07);
  color: #aeb9ca;
}

.project-form-page .breadcrumb .sep,
.resource-form-page .breadcrumb .sep {
  background: transparent;
  border-color: transparent;
  padding-inline: 0;
}

.project-form-page .top-actions .action-btn,
.resource-form-page .top-actions .action-btn {
  min-height: 46px;
  padding: 0 18px;
  align-items: center;
}

.project-form-page .form-card,
.resource-form-page .form-card {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  padding: clamp(28px, 4vw, 44px);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.028)),
    rgba(14, 18, 28, 0.78);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow:
    0 28px 80px rgba(0,0,0,0.48),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.project-form-page .form-card::before,
.resource-form-page .form-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(167,139,250,0.65), rgba(56,189,248,0.35), transparent 62%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.project-form-page .form-card::after,
.resource-form-page .form-card::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -120px;
  width: 280px;
  height: 280px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(56,189,248,0.13), transparent 68%);
}

.project-form-page .form-title,
.resource-form-page .form-title {
  position: relative;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.1;
  margin-bottom: 12px;
  color: #f8fafc;
}

.project-form-page .form-title::after,
.resource-form-page .form-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, #a78bfa, #38bdf8);
}

.project-form-page .form-subtitle,
.resource-form-page .form-subtitle {
  max-width: 780px;
  margin-bottom: 32px;
  color: #a8b3c5;
  font-size: 16px;
}

.project-form-page .create-form,
.resource-form-page .create-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 24px;
}

.project-form-page .field,
.resource-form-page .field {
  gap: 10px;
  min-width: 0;
}

.project-form-page .field-full,
.resource-form-page .field-full,
.project-form-page .form-actions,
.resource-form-page .form-actions {
  grid-column: 1 / -1;
}

.project-form-page .field label,
.resource-form-page .field label {
  color: #f1f5f9;
  font-size: 14px;
  letter-spacing: 0;
}

.project-form-page .field input,
.project-form-page .field select,
.project-form-page .field textarea,
.resource-form-page .field input,
.resource-form-page .field select,
.resource-form-page .field textarea {
  min-height: 58px;
  border-radius: 18px;
  padding: 16px 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.045), rgba(255,255,255,0.025)),
    rgba(22, 27, 38, 0.86);
  border: 1px solid rgba(255,255,255,0.09);
  color: #f8fafc;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.project-form-page .field textarea,
.resource-form-page .field textarea {
  min-height: 136px;
  line-height: 1.7;
}

.project-form-page .field input:hover,
.project-form-page .field select:hover,
.project-form-page .field textarea:hover,
.resource-form-page .field input:hover,
.resource-form-page .field select:hover,
.resource-form-page .field textarea:hover {
  border-color: rgba(167,139,250,0.28);
}

.project-form-page .field input:focus,
.project-form-page .field select:focus,
.project-form-page .field textarea:focus,
.resource-form-page .field input:focus,
.resource-form-page .field select:focus,
.resource-form-page .field textarea:focus {
  border-color: rgba(167,139,250,0.72);
  box-shadow:
    0 0 0 4px rgba(167,139,250,0.14),
    0 14px 34px rgba(0,0,0,0.24);
  background: rgba(25, 31, 44, 0.96);
}

.project-form-page .field input::placeholder,
.project-form-page .field textarea::placeholder,
.resource-form-page .field input::placeholder,
.resource-form-page .field textarea::placeholder {
  color: #8793a7;
}

.project-form-page .field input[type="file"],
.resource-form-page .field input[type="file"] {
  padding: 12px;
  cursor: pointer;
}

.project-form-page .field input[type="file"]::file-selector-button,
.resource-form-page .field input[type="file"]::file-selector-button {
  margin-right: 14px;
  border: 1px solid rgba(167,139,250,0.36);
  border-radius: 13px;
  padding: 10px 15px;
  background: rgba(167,139,250,0.16);
  color: #e9d5ff;
  cursor: pointer;
  transition: 0.2s ease;
}

.project-form-page .field input[type="file"]::file-selector-button:hover,
.resource-form-page .field input[type="file"]::file-selector-button:hover {
  background: rgba(167,139,250,0.25);
  border-color: rgba(167,139,250,0.6);
}

.project-form-page .field-hint,
.resource-form-page .field-hint {
  color: #8f9caf;
  margin-top: -2px;
}

.project-form-page .avatar-upload-preview {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.07);
}

.project-form-page .avatar-preview-image {
  width: 72px;
  height: 72px;
  border-radius: 20px;
}

.project-form-page .form-actions,
.resource-form-page .form-actions {
  margin-top: 6px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.07);
  justify-content: flex-end;
}

.project-form-page .form-actions .action-btn,
.resource-form-page .form-actions .action-btn {
  min-height: 50px;
  padding: 0 24px;
  border-radius: 16px;
}

.project-form-page .form-actions .action-btn.primary,
.resource-form-page .form-actions .action-btn.primary {
  min-width: 170px;
  justify-content: center;
  background: linear-gradient(135deg, rgba(167,139,250,0.28), rgba(56,189,248,0.18));
  border-color: rgba(167,139,250,0.55);
}

@media (max-width: 820px) {
  .project-form-page .create-form,
  .resource-form-page .create-form {
    grid-template-columns: 1fr;
  }

  .project-form-page .main,
  .resource-form-page .main {
    padding-left: 20px;
    padding-right: 20px;
  }
}

.app-form-overlay {
  z-index: 360;
}

.app-form-modal {
  width: min(860px, 94vw);
  max-height: min(860px, 92vh);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.16) transparent;
  padding: 0;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.028)),
    rgba(14, 18, 28, 0.92);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow:
    0 32px 90px rgba(0,0,0,0.62),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.app-form-modal::-webkit-scrollbar {
  width: 6px;
}

.app-form-modal::-webkit-scrollbar-track {
  background: transparent;
  margin: 24px 0;
}

.app-form-modal::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.16);
  border-radius: 999px;
}

.app-form-modal::-webkit-scrollbar-thumb:hover {
  background: rgba(167,139,250,0.36);
}

.app-form-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 30px 32px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.app-form-head h3 {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.1;
  color: #f8fafc;
}

.app-form-head p {
  margin: 0;
  color: #a8b3c5;
  line-height: 1.7;
}

.app-modal-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  padding: 26px 32px 30px;
}

.app-field {
  display: grid;
  gap: 9px;
  min-width: 0;
}

.app-field-full,
.app-form-error,
.app-form-actions {
  grid-column: 1 / -1;
}

.app-field span {
  color: #f1f5f9;
  font-size: 14px;
  font-weight: 650;
}

.app-field .confirm-input {
  margin: 0;
  min-height: 54px;
  border-radius: 17px;
  padding: 15px 17px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.045), rgba(255,255,255,0.025)),
    rgba(22, 27, 38, 0.88);
  border: 1px solid rgba(255,255,255,0.09);
  color: #f8fafc;
}

.app-field textarea.confirm-input {
  min-height: 118px;
  resize: vertical;
  line-height: 1.7;
}

.app-field .confirm-input:focus {
  border-color: rgba(167,139,250,0.72);
  box-shadow:
    0 0 0 4px rgba(167,139,250,0.14),
    0 14px 34px rgba(0,0,0,0.24);
}

.app-field .confirm-input::placeholder {
  color: #8793a7;
}

.app-field input[type="file"]::file-selector-button {
  margin-right: 14px;
  border: 1px solid rgba(167,139,250,0.36);
  border-radius: 13px;
  padding: 10px 15px;
  background: rgba(167,139,250,0.16);
  color: #e9d5ff;
  cursor: pointer;
}

.image-field-preview {
  display: none;
  width: 96px;
  height: 96px;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
}

.image-field-preview.show {
  display: block;
}

.image-field-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-form-actions {
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.app-form-actions .action-btn {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
}

.app-form-actions .action-btn.primary {
  min-width: 150px;
  justify-content: center;
  background: linear-gradient(135deg, rgba(167,139,250,0.28), rgba(56,189,248,0.18));
  border-color: rgba(167,139,250,0.55);
}

.resource-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 28px 32px 32px;
}

.resource-type-card {
  min-height: 168px;
  padding: 20px 16px;
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.025)),
    rgba(18, 23, 34, 0.86);
  color: #e2e8f0;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  transition: 0.25s;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.resource-type-card:hover {
  transform: translateY(-4px);
  border-color: rgba(167,139,250,0.48);
  background:
    linear-gradient(135deg, rgba(167,139,250,0.18), rgba(56,189,248,0.08)),
    rgba(23, 28, 40, 0.95);
  box-shadow: 0 18px 38px rgba(0,0,0,0.34);
}

.resource-type-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  background: rgba(167,139,250,0.16);
  border: 1px solid rgba(167,139,250,0.24);
  font-size: 22px;
}

.resource-type-title {
  color: #f8fafc;
  font-size: 16px;
  font-weight: 750;
}

.resource-type-desc {
  color: #93a0b4;
  font-size: 13px;
  line-height: 1.55;
}

.resource-editor-modal {
  width: min(820px, 94vw);
}

.article-editor-modal {
  width: min(1080px, 95vw);
}

.article-editor-modal .app-modal-form {
  grid-template-columns: 1fr;
}

.app-field .article-title-input {
  min-height: 62px;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  border-radius: 0;
  padding: 8px 2px 14px;
  background: transparent;
  font-size: 30px;
  box-shadow: none;
}

.app-field .article-title-input:focus {
  border-bottom-color: rgba(167,139,250,0.62);
  box-shadow: none;
}

.article-editor-modal .article-editor-area {
  min-height: 420px;
  max-height: 56vh;
}

.article-editor-modal .article-editor {
  min-height: 420px;
}

.course-directory-input {
  min-height: 240px;
  font-family: "Fira Code", Consolas, "Microsoft YaHei", monospace;
}

@media (max-width: 720px) {
  .app-modal-form {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .app-form-head {
    padding: 24px 22px 18px;
  }

  .resource-type-grid {
    grid-template-columns: 1fr;
    padding: 22px;
  }
}

.article-editor-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(167,139,250,0.08), rgba(56,189,248,0.035)),
    rgba(10, 13, 22, 0.42);
  border: 1px solid rgba(167,139,250,0.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}

.article-title-input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 8px 2px 14px;
  background: transparent;
  color: #f8fafc;
  font-size: 26px;
  font-weight: 750;
  outline: none;
}

.article-title-input::placeholder {
  color: #7e8aa0;
  font-weight: 500;
}

.article-title-input:focus {
  border-bottom-color: rgba(167,139,250,0.55);
}

.article-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.article-toolbar .tool-sep {
  width: 1px;
  height: 28px;
  margin: 0 3px;
  background: rgba(255,255,255,0.1);
}

.article-tool-btn {
  min-height: 36px;
  padding: 0 13px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.045);
  color: #b8c3d6;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  transition: 0.2s;
}

.article-tool-btn:hover {
  background: rgba(167,139,250,0.16);
  border-color: rgba(167,139,250,0.42);
  color: #f4edff;
  transform: translateY(-1px);
}

.article-editor-area {
  min-height: 300px;
  max-height: 520px;
  overflow-y: auto;
  border-radius: 18px;
  background: rgba(3, 6, 13, 0.35);
  border: 1px solid rgba(255,255,255,0.08);
}

.article-editor-area::-webkit-scrollbar,
.article-preview-body::-webkit-scrollbar {
  width: 4px;
}

.article-editor-area::-webkit-scrollbar-thumb,
.article-preview-body::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.14);
  border-radius: 999px;
}

.article-editor {
  min-height: 300px;
  padding: 22px 24px;
  color: #eef2f7;
  outline: none;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: 17px;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
}

.article-editor:empty::before {
  content: "开始书写文章正文...";
  color: #78869a;
}

.article-editor img,
.article-preview-body img {
  max-width: 100%;
  border-radius: 16px;
  margin: 14px 0;
  box-shadow: 0 18px 45px rgba(0,0,0,0.32);
}

.article-preview-overlay {
  z-index: 380;
  background:
    radial-gradient(ellipse at 26% 20%, rgba(167,139,250,0.12), transparent 46%),
    rgba(0,0,0,0.62);
}

.article-preview-modal {
  width: min(980px, 94vw);
  max-height: min(900px, 92vh);
  overflow: hidden;
  padding: 0;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.075), rgba(255,255,255,0.026)),
    rgba(12, 16, 26, 0.94);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow:
    0 36px 100px rgba(0,0,0,0.68),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.article-preview-body {
  max-height: calc(min(900px, 92vh) - 104px);
  overflow-y: auto;
  padding: 34px 44px 44px;
  color: #e2e8f0;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: 17px;
  line-height: 1.9;
  word-break: break-word;
}

.article-preview-author {
  margin-top: 4px;
}

.article-preview-body h1,
.article-preview-body h2,
.article-preview-body h3 {
  color: #f8fafc;
  line-height: 1.35;
}

.article-preview-body h1 {
  margin: 0.3em 0 0.7em;
  font-size: 2.1em;
}

.article-preview-body h2 {
  margin: 1.2em 0 0.55em;
  font-size: 1.55em;
}

.article-preview-body h3 {
  margin: 1em 0 0.45em;
  font-size: 1.24em;
}

.article-preview-body p {
  margin: 1em 0;
}

.article-preview-body blockquote {
  margin: 1.25em 0;
  padding: 14px 20px;
  border-left: 4px solid rgba(167,139,250,0.55);
  border-radius: 12px;
  background: rgba(167,139,250,0.07);
  color: #cbd5e1;
}

.article-preview-body ul,
.article-preview-body ol {
  margin: 0.9em 0;
  padding-left: 1.5em;
}

.article-preview-body li {
  margin: 0.35em 0;
}

.article-preview-body code {
  padding: 2px 7px;
  border-radius: 7px;
  background: rgba(255,255,255,0.08);
  color: #fbbf24;
  font-family: "Fira Code", Consolas, monospace;
  font-size: 0.92em;
}

.article-preview-body pre {
  margin: 1.1em 0;
  padding: 16px;
  overflow-x: auto;
  border-radius: 16px;
  background: rgba(0,0,0,0.32);
  border: 1px solid rgba(255,255,255,0.08);
}

.article-preview-body pre code {
  padding: 0;
  background: none;
  color: #e2e8f0;
}

@media (max-width: 720px) {
  .article-editor-box {
    padding: 14px;
  }

  .article-title-input {
    font-size: 22px;
  }

  .article-preview-body {
    padding: 24px 22px 32px;
  }
}