:root {
  --bg: #12141a;
  --panel: #1b1e26;
  --panel-2: #20232c;
  --border: #2a2e38;
  --text: #e8e6e1;
  --muted: #8b8f9c;
  --amber: #e8a33d;
  --cyan: #4fd1c5;
  --danger: #e2574c;
  --green: #7fd88f;
  --radius-sm: 3px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.small { font-size: 11px; }
a, .link { color: var(--cyan); cursor: pointer; text-decoration: none; }
::selection { background: var(--amber); color: #12141a; }

/* ---------- Full-Window Drag & Drop Overlay ---------- */
.global-drop-overlay {
  position: fixed; inset: 0;
  background: rgba(18, 20, 26, 0.88);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
  border: 3px dashed var(--amber);
  pointer-events: none;
}
.global-drop-card {
  text-align: center; color: var(--text); padding: 30px;
}
.global-drop-icon { font-size: 52px; margin-bottom: 12px; }
.global-drop-title { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--amber); }
.global-drop-sub { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 6px; }

/* ---------- Layout ---------- */
.app { display: flex; flex-direction: column; height: 100vh; }
.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 0 20px; height: 60px; flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { display: flex; align-items: baseline; gap: 8px; flex-shrink: 0; }
.brand-mark { color: var(--amber); font-size: 16px; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: 1px;
}
.brand-sub { color: var(--muted); font-size: 11px; font-family: var(--font-mono); }

.searchbar {
  flex: 1; display: flex; align-items: center; gap: 0;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  max-width: 640px; padding: 0 4px 0 14px; height: 38px;
}
.searchbar input {
  flex: 1; background: transparent; border: none; outline: none; color: var(--text);
  font-family: var(--font-body); font-size: 13.5px;
}
.mode-toggle {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.5px;
  background: rgba(79, 209, 197, 0.12); color: var(--cyan); border: 1px solid rgba(79,209,197,0.35);
  border-radius: 4px; padding: 5px 8px; cursor: pointer; white-space: nowrap;
}
.mode-toggle.off { background: rgba(139,143,156,0.1); color: var(--muted); border-color: var(--border); }
.btn-icon {
  background: transparent; border: none; color: var(--muted); font-size: 16px; cursor: pointer;
  width: 30px; height: 30px; border-radius: 4px; display: inline-flex; align-items: center; justify-content: center;
}
.btn-icon:hover { color: var(--text); background: var(--panel-2); }

.topbar-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.ai-status { font-family: var(--font-mono); font-size: 10.5px; color: var(--muted); }
.ai-status.ready { color: var(--green); }
.ai-status.error { color: var(--danger); }
.btn-primary {
  background: var(--amber); color: #171310; border: none; font-weight: 600;
  padding: 9px 16px; border-radius: 5px; cursor: pointer; font-size: 13px;
  transition: filter .12s, opacity .12s;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-subtle {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  font-size: 12px; font-weight: 500; padding: 6px 12px; border-radius: 4px;
  cursor: pointer; transition: border-color .12s, color .12s; display: inline-flex; align-items: center; gap: 6px;
}
.btn-subtle:hover { border-color: var(--amber); color: var(--amber); }

/* ---------- User Menu & Profile ---------- */
.user-menu-wrap { position: relative; }
.user-btn {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 20px;
  padding: 4px 10px 4px 4px; display: flex; align-items: center; gap: 8px;
  cursor: pointer; color: var(--text); font-size: 12.5px; transition: border-color .15s;
}
.user-btn:hover { border-color: var(--amber); }
.user-avatar {
  width: 26px; height: 26px; border-radius: 50%; background: rgba(232,163,61,0.2);
  color: var(--amber); font-weight: 700; font-size: 12px; display: flex;
  align-items: center; justify-content: center; font-family: var(--font-display);
}
.user-name { font-weight: 500; }
.user-role-badge {
  font-family: var(--font-mono); font-size: 9px; text-transform: uppercase;
  padding: 2px 6px; border-radius: 10px; background: rgba(79, 209, 197, 0.15); color: var(--cyan);
}
.user-role-badge.admin { background: rgba(232, 163, 61, 0.15); color: var(--amber); }
.user-role-badge.viewer { background: rgba(139, 143, 156, 0.15); color: var(--muted); }
.user-caret { font-size: 10px; color: var(--muted); }

.user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0; width: 220px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4); padding: 6px 0; z-index: 100;
}
.user-dropdown-header { padding: 8px 14px; }
.user-dropdown-title { font-weight: 600; font-size: 13px; }
.user-dropdown-sub { font-size: 11px; margin-top: 2px; }
.user-dropdown-divider { height: 1px; background: var(--border); margin: 6px 0; }
.dropdown-item {
  width: 100%; text-align: left; background: transparent; border: none;
  padding: 8px 14px; color: var(--text); font-size: 12.5px; cursor: pointer;
  display: flex; align-items: center; gap: 8px;
}
.dropdown-item:hover { background: var(--panel-2); color: var(--amber); }
.dropdown-danger:hover { color: var(--danger); }

/* ---------- Body / Sidebar / Content ---------- */
.body { flex: 1; display: flex; min-height: 0; }
.sidebar {
  width: 210px; flex-shrink: 0; border-right: 1px solid var(--border);
  background: var(--panel); padding: 18px 14px; overflow-y: auto;
}
.sidebar-section { margin-bottom: 26px; }
.sidebar-section h3 {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 1px; color: var(--muted);
  text-transform: uppercase; margin: 0 0 10px 2px; font-weight: 500;
}
.filter-list { display: flex; flex-direction: column; gap: 2px; }
.filter-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 8px; border-radius: 4px; cursor: pointer; font-size: 12.5px; color: var(--muted);
}
.filter-item:hover { background: var(--panel-2); color: var(--text); }
.filter-item.active { background: rgba(232,163,61,0.12); color: var(--amber); }
.filter-item .count { font-family: var(--font-mono); font-size: 10.5px; }
.stats-text { font-family: var(--font-mono); font-size: 11px; color: var(--muted); line-height: 1.8; }

.content { flex: 1; overflow-y: auto; padding: 20px 24px; }
.content-header {
  display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
}
.empty-state { color: var(--muted); text-align: center; padding: 60px 0; font-size: 13px; }

/* ---------- Gallery Grid ---------- */
.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px;
}
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 4px;
  overflow: hidden; cursor: pointer; transition: border-color .12s, transform .12s;
  position: relative;
}
.card:hover { border-color: var(--amber); transform: translateY(-1px); }
.card-thumb-wrap { position: relative; width: 100%; aspect-ratio: 1/1; background: #14161d; overflow: hidden; }
.card-thumb-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.play-hint {
  position: absolute; left: 8px; bottom: 8px; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(10,11,14,0.65); display: flex; align-items: center; justify-content: center;
  color: #f4f1ea; font-size: 11px; pointer-events: none;
}

.license-tag {
  position: absolute; top: 0; right: 0; width: 64px; height: 64px; overflow: hidden;
}
.license-tag span {
  position: absolute; top: 12px; right: -20px; width: 90px; text-align: center;
  transform: rotate(45deg); font-family: var(--font-mono); font-size: 9px; font-weight: 500;
  letter-spacing: 0.5px; padding: 2px 0; color: #12141a;
}
.tag-clear span { background: var(--green); }
.tag-attrib span { background: var(--amber); }
.tag-risk span { background: var(--danger); color: #f4f1ea; }

.card-body { padding: 8px 10px 10px; }
.card-name { font-size: 12px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-meta { display: flex; justify-content: space-between; margin-top: 4px; }
.type-badge {
  font-family: var(--font-mono); font-size: 9.5px; text-transform: uppercase; letter-spacing: .5px;
  color: var(--muted);
}
.card-score { font-family: var(--font-mono); font-size: 9.5px; color: var(--cyan); }

/* ---------- Modals & Upload Ribbon ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(10,11,14,0.78); display: flex;
  align-items: center; justify-content: center; z-index: 50;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  width: 480px; max-width: 92vw; max-height: 88vh; overflow-y: auto; padding: 20px 22px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
}
.auth-modal { width: 380px; }
.user-mgmt-modal { width: 680px; }
.upload-modal { width: 780px; max-width: 94vw; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.modal-head h2 { font-family: var(--font-display); font-size: 16px; margin: 0; }
.auth-error {
  background: rgba(226, 87, 76, 0.15); border: 1px solid var(--danger); color: var(--danger);
  padding: 8px 12px; border-radius: 4px; font-size: 12px; margin-bottom: 14px; line-height: 1.4;
}

.dropzone {
  border: 1.5px dashed var(--border); border-radius: 6px; padding: 18px 10px; text-align: center;
  color: var(--muted); font-size: 12.5px; margin-bottom: 14px; background: rgba(32,35,44,0.3);
}
.dropzone.drag { border-color: var(--amber); color: var(--amber); background: rgba(232,163,61,0.06); }
.drop-btn-row { display: flex; justify-content: center; gap: 10px; }

.queue-section { margin-bottom: 14px; }
.queue-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.queue-header-actions { display: flex; gap: 8px; align-items: center; }
.link-btn {
  background: transparent; border: none; font-size: 11px; color: var(--muted);
  cursor: pointer; padding: 0; font-family: var(--font-mono);
}
.link-btn:hover { color: var(--text); }
.link-btn.active { color: var(--cyan); }
.link-btn.danger:hover { color: var(--danger); }

.ribbon-wrap {
  position: relative; display: flex; align-items: center;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 8px 4px;
}
.ribbon-track {
  display: flex; gap: 10px; overflow-x: auto; scroll-behavior: smooth;
  padding: 4px 6px; width: 100%; scrollbar-width: thin;
}
.ribbon-track::-webkit-scrollbar { height: 5px; }
.ribbon-track::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.ribbon-track::-webkit-scrollbar-thumb:hover { background: var(--amber); }

.ribbon-scroll-btn {
  background: rgba(27,30,38,0.85); border: 1px solid var(--border); color: var(--text);
  font-size: 16px; cursor: pointer; width: 24px; height: 48px; border-radius: 4px;
  display: flex; align-items: center; justify-content: center; z-index: 2; flex-shrink: 0;
}
.ribbon-scroll-btn:hover { border-color: var(--amber); color: var(--amber); }
.ribbon-scroll-btn.left { margin-right: 4px; }
.ribbon-scroll-btn.right { margin-left: 4px; }

.ribbon-card {
  flex: 0 0 130px; width: 130px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 5px; padding: 6px; position: relative; cursor: pointer; transition: all .12s ease;
}
.ribbon-card:hover { border-color: var(--amber); }
.ribbon-card.selected { border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan); }
.ribbon-card.completed { border-color: var(--green); }
.ribbon-card.error { border-color: var(--danger); }

.ribbon-thumb-wrap {
  width: 100%; aspect-ratio: 1/1; border-radius: 3px; overflow: hidden; background: #14161d;
  display: flex; align-items: center; justify-content: center; position: relative;
}
.ribbon-thumb-wrap img { width: 100%; height: 100%; object-fit: cover; }
.ribbon-icon-fallback { font-family: var(--font-mono); font-weight: 700; font-size: 11px; }
.ribbon-card-remove {
  position: absolute; top: 3px; right: 3px; width: 18px; height: 18px; border-radius: 50%;
  background: rgba(18,20,26,0.8); border: 1px solid rgba(255,255,255,0.2); color: #fff;
  font-size: 10px; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.ribbon-card-remove:hover { background: var(--danger); border-color: var(--danger); }
.ribbon-card-status {
  position: absolute; top: 3px; left: 3px; font-family: var(--font-mono); font-size: 9px;
  padding: 1px 4px; border-radius: 3px; background: rgba(18,20,26,0.85);
}
.ribbon-card-status.done { color: var(--green); }
.ribbon-card-status.err { color: var(--danger); }
.ribbon-card-status.uploading { color: var(--amber); }

.ribbon-card-name {
  font-size: 11px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-top: 5px;
}
.ribbon-card-meta {
  display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 9.5px;
  color: var(--muted); margin-top: 2px;
}

.scope-notice {
  font-family: var(--font-mono); font-size: 11px; color: var(--cyan);
  background: rgba(79,209,197,0.08); border: 1px solid rgba(79,209,197,0.25);
  padding: 5px 10px; border-radius: 4px; margin-bottom: 12px;
}

.upload-progress-wrap { margin: 12px 0 6px; }
.upload-progress-header { display: flex; justify-content: space-between; margin-bottom: 4px; }
.upload-progress-bar-bg {
  height: 6px; background: var(--panel-2); border-radius: 3px; overflow: hidden; border: 1px solid var(--border);
}
.upload-progress-bar-fill {
  height: 100%; width: 0%; background: linear-gradient(90deg, var(--amber), var(--cyan));
  transition: width .15s ease;
}

.field { display: block; font-size: 11.5px; color: var(--muted); margin-bottom: 12px; font-family: var(--font-mono); }
.field .hint { color: #565b68; font-family: var(--font-body); font-style: italic; }
.field input, .field select, .field textarea {
  display: block; width: 100%; margin-top: 5px; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 4px; padding: 8px 10px; color: var(--text); font-family: var(--font-body); font-size: 13px; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--cyan); }
.field-row { display: flex; gap: 10px; }
.field-row .field { flex: 1; }
.modal-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 6px; }

/* ---------- Fullscreen Interactive Asset Viewer ---------- */
.viewer-backdrop {
  background: #0d0f14; z-index: 90; display: flex; flex-direction: column;
  position: fixed; inset: 0;
}
.viewer-header-bar {
  height: 50px; background: #171920; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 16px;
  flex-shrink: 0; z-index: 92; gap: 12px;
}
.viewer-title-group { display: flex; align-items: center; gap: 8px; overflow: hidden; }
.viewer-title {
  font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 280px;
}
.viewer-toolbar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.viewer-tool-btn {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  font-family: var(--font-mono); font-size: 11px; padding: 4px 9px; border-radius: 4px;
  cursor: pointer; transition: all .12s; display: inline-flex; align-items: center; gap: 5px;
}
.viewer-tool-btn:hover { border-color: var(--amber); color: var(--amber); }
.viewer-tool-btn.active { background: rgba(232,163,61,0.15); border-color: var(--amber); color: var(--amber); }
.viewer-tool-select {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  font-family: var(--font-mono); font-size: 11px; padding: 3px 6px; border-radius: 4px; outline: none;
}

.viewer-header-actions { display: flex; align-items: center; gap: 10px; }
.viewer-container {
  flex: 1; position: relative; width: 100%; height: calc(100% - 50px);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.viewer-close { font-size: 18px; width: 32px; height: 32px; }

/* Image Viewer Viewport (Deep Zoom, Pan, Checkerboard, Pixel Art) */
.image-viewport {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  cursor: grab; overflow: hidden; position: relative; user-select: none;
}
.image-viewport:active { cursor: grabbing; }
.image-viewport img {
  max-width: none; max-height: none; transform-origin: center center;
  transition: transform 0.04s ease-out; pointer-events: none;
  box-shadow: 0 12px 48px rgba(0,0,0,0.8);
}
.image-viewport.checkerboard {
  background-image: linear-gradient(45deg, #1c1e27 25%, transparent 25%),
                    linear-gradient(-45deg, #1c1e27 25%, transparent 25%),
                    linear-gradient(45deg, transparent 75%, #1c1e27 75%),
                    linear-gradient(-45deg, transparent 75%, #1c1e27 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #12141a;
}
img.pixelated {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* 3D Viewport & Inspector Badge */
.model-viewport { width: 100%; height: 100%; position: relative; outline: none; }
.model-viewport canvas { width: 100% !important; height: 100% !important; display: block; outline: none; }
.model-loading-overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(14,16,21,0.9); font-family: var(--font-mono); font-size: 13px; color: var(--amber); z-index: 5;
}
.model-stats-badge {
  position: absolute; top: 16px; right: 16px; background: rgba(23,25,32,0.85);
  border: 1px solid var(--border); border-radius: 6px; padding: 10px 14px;
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  backdrop-filter: blur(4px); line-height: 1.6; pointer-events: none; z-index: 10;
}
.model-stats-badge strong { color: var(--text); }
.model-anim-panel {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: rgba(23,25,32,0.9); border: 1px solid var(--border); border-radius: 24px;
  padding: 6px 16px; display: flex; align-items: center; gap: 12px; z-index: 10;
  backdrop-filter: blur(4px);
}

/* Markdown Reader Viewport */
.md-viewport {
  width: 100%; height: 100%; overflow-y: auto; padding: 40px 20px;
  display: flex; justify-content: center; background: var(--bg);
}
.md-article {
  max-width: 860px; width: 100%; color: var(--text); line-height: 1.75; font-size: 14.5px;
}
.md-article h1, .md-article h2, .md-article h3, .md-article h4 {
  font-family: var(--font-display); color: #fff; margin-top: 30px; margin-bottom: 12px;
}
.md-article h1 { font-size: 28px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.md-article h2 { font-size: 22px; border-bottom: 1px solid rgba(42,46,56,0.6); padding-bottom: 6px; }
.md-article p { margin: 14px 0; }
.md-article code {
  font-family: var(--font-mono); font-size: 12.5px; background: var(--panel-2);
  padding: 2px 6px; border-radius: 4px; color: var(--cyan); border: 1px solid rgba(79,209,197,0.2);
}
.md-article pre {
  background: var(--panel); border: 1px solid var(--border); border-radius: 6px;
  padding: 16px; overflow-x: auto; margin: 16px 0;
}
.md-article pre code { background: transparent; padding: 0; border: none; color: #e8e6e1; }
.md-article blockquote {
  border-left: 3px solid var(--amber); margin: 16px 0; padding: 8px 16px;
  background: rgba(232,163,61,0.06); color: #dedede; border-radius: 0 4px 4px 0;
}
.md-article table {
  width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13.5px;
}
.md-article th, .md-article td {
  padding: 9px 12px; border: 1px solid var(--border); text-align: left;
}
.md-article th { background: var(--panel); font-family: var(--font-mono); font-size: 11px; }
.md-article ul, .md-article ol { padding-left: 24px; margin: 12px 0; }
.md-article li { margin: 4px 0; }
.md-article li.task-done { list-style: none; margin-left: -20px; color: var(--muted); }
.md-article li.task-open { list-style: none; margin-left: -20px; }
.md-article hr { border: none; height: 1px; background: var(--border); margin: 28px 0; }

/* Text & Code Viewer Viewport */
.code-viewport {
  width: 100%; height: 100%; display: flex; background: #14161d; overflow: auto;
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.6;
}
.code-line-numbers {
  padding: 20px 14px 20px 18px; text-align: right; color: #565b68;
  border-right: 1px solid var(--border); user-select: none; background: #101217;
}
.code-content {
  flex: 1; padding: 20px; white-space: pre; tab-size: 4; outline: none; color: #e8e6e1;
}
.code-content.wrap-lines { white-space: pre-wrap; word-break: break-all; }

/* Font Specimen Workbench */
.font-workbench {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  padding: 30px 40px; overflow-y: auto; max-width: 1100px;
}
.font-workbench-controls {
  display: flex; gap: 16px; align-items: center; margin-bottom: 24px;
  background: var(--panel); border: 1px solid var(--border); padding: 12px 18px; border-radius: 6px;
}
.font-workbench-preview {
  font-size: 48px; line-height: 1.25; outline: none; border: none;
  background: transparent; color: var(--text); word-break: break-word; min-height: 140px;
  padding: 10px 0; border-bottom: 1px solid var(--border); margin-bottom: 24px;
}
.font-charmap {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); gap: 6px;
}
.font-char-cell {
  aspect-ratio: 1/1; background: var(--panel-2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 18px; border-radius: 4px;
}

/* Audio & Video Viewers */
.media-viewport {
  max-width: 90vw; max-height: 85vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.media-viewport video {
  max-width: 100%; max-height: 75vh; border-radius: 6px; box-shadow: 0 12px 32px rgba(0,0,0,0.7);
}
.media-viewport audio { width: 460px; max-width: 90vw; margin-top: 20px; }

/* Detail Drawer */
.drawer {
  position: fixed; top: 0; right: 0; height: 100vh; width: 420px; max-width: 92vw;
  background: var(--panel); border-left: 1px solid var(--border); padding: 20px;
  overflow-y: auto; z-index: 60;
}
.drawer-close { position: absolute; top: 14px; right: 14px; }
.detail-thumb { width: 100%; aspect-ratio: 1/1; border-radius: 6px; overflow: hidden; background: #14161d; margin-bottom: 14px; }
.detail-thumb img { width: 100%; height: 100%; object-fit: cover; }
.detail-thumb img.zoomable { cursor: zoom-in; }
.detail-thumb.detail-media { cursor: default; }
.detail-thumb video, .detail-thumb embed { width: 100%; height: 100%; background: #000; display: block; }
.detail-audio { width: 100%; margin: -6px 0 14px; }
.detail-title { font-family: var(--font-display); font-size: 17px; font-weight: 600; margin-bottom: 2px; word-break: break-word; }
.detail-sub { font-family: var(--font-mono); font-size: 11px; color: var(--muted); margin-bottom: 16px; }
.detail-section { margin-bottom: 16px; }
.detail-section h4 {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted); margin: 0 0 8px 0;
}
.tag-chip {
  display: inline-block; background: var(--panel-2); border: 1px solid var(--border); border-radius: 20px;
  padding: 3px 10px; font-size: 11px; margin: 0 5px 5px 0; color: var(--text);
}
.detail-actions { display: flex; gap: 8px; margin-top: 14px; }
.btn-secondary {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text); border-radius: 5px;
  padding: 8px 12px; font-size: 12.5px; cursor: pointer; flex: 1; text-align: center;
  transition: border-color .12s, background .12s;
}
.btn-secondary:hover { border-color: var(--cyan); background: var(--panel); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); }
.license-banner {
  padding: 8px 10px; border-radius: 5px; font-size: 12px; margin-bottom: 10px; font-family: var(--font-mono);
}
.license-banner.clear { background: rgba(127,216,143,0.12); color: var(--green); }
.license-banner.attrib { background: rgba(232,163,61,0.12); color: var(--amber); }
.license-banner.risk { background: rgba(226,87,76,0.12); color: var(--danger); }

/* User Management Modal */
.user-mgmt-tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--border); margin-bottom: 16px; padding-bottom: 8px; }
.tab-btn {
  background: transparent; border: none; color: var(--muted); font-size: 13px; font-weight: 500;
  padding: 6px 12px; border-radius: 4px; cursor: pointer;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { background: var(--panel-2); color: var(--amber); }
.table-wrap { overflow-x: auto; }
.user-table { width: 100%; border-collapse: collapse; font-size: 12.5px; text-align: left; }
.user-table th { padding: 8px 10px; border-bottom: 1px solid var(--border); color: var(--muted); font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; }
.user-table td { padding: 10px 10px; border-bottom: 1px solid rgba(42,46,56,0.6); }
.user-table tr:hover td { background: rgba(32,35,44,0.4); }
.user-action-btn {
  background: transparent; border: 1px solid var(--border); color: var(--muted); border-radius: 3px;
  padding: 2px 6px; font-size: 11px; cursor: pointer; margin-right: 4px;
}
.user-action-btn:hover { color: var(--text); border-color: var(--cyan); }
.user-action-btn.danger:hover { color: var(--danger); border-color: var(--danger); }

@media (max-width: 760px) {
  .sidebar { display: none; }
  .searchbar { max-width: none; }
  .user-role-badge, .user-name { display: none; }
  .viewer-title { max-width: 140px; }
  .model-stats-badge { display: none; }
}