/* ─── Fonts ────────────────────────────────────────────────────────────── */
@font-face {
  font-family: 'Inter';
  src: url('/fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/fonts/Inter-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* ─── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  --bg-primary: #07070d;
  --bg-secondary: #0e0e18;
  --bg-tertiary: #161625;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --bg-input: rgba(255,255,255,0.05);
  --bg-navbar: rgba(7,7,13,0.85);
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --border-focus: rgba(0,212,255,0.4);
  --accent-cyan: #00d4ff;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  --accent-gradient: linear-gradient(135deg,#00d4ff,#8b5cf6);
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(0,212,255,0.1);
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
}

:root[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;
  --bg-navbar: rgba(255,255,255,0.9);
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  --border-focus: rgba(0,212,255,0.4);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05);
  --shadow-glow: 0 0 15px rgba(0,212,255,0.1);
}

/* ─── Reset ─────────────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column}
a{color:var(--accent-cyan);text-decoration:none;transition:color var(--transition)}
a:hover{color:#33dfff}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:var(--font)}
input,select,textarea{font-family:var(--font)}

/* ─── Navbar ────────────────────────────────────────────────────────────── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px;background:var(--bg-navbar);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-brand{display:flex;align-items:center;gap:10px}
.nav-logo{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(0,212,255,0.08)}
.nav-title{font-size:1.15rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.02em}
.nav-links{display:flex;gap:4px}
.nav-link{display:flex;align-items:center;gap:7px;padding:8px 14px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.875rem;font-weight:500;transition:all var(--transition)}
.nav-link:hover{color:var(--text-primary);background:var(--bg-card-hover)}
.nav-link.active{color:var(--accent-cyan);background:rgba(0,212,255,0.08)}

/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border:none;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;transition:all var(--transition);line-height:1}
.btn-sm{padding:8px 14px;font-size:.8125rem}
.btn-xs{padding:5px 10px;font-size:.75rem;border-radius:6px}
.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:0 2px 12px rgba(0,212,255,0.25)}
.btn-primary:hover{box-shadow:0 4px 20px rgba(0,212,255,0.4);transform:translateY(-1px)}
.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}
.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px}
.btn-ghost:hover{color:var(--text-primary);background:var(--bg-card-hover)}
.btn-danger{background:rgba(239,68,68,0.1);color:var(--error);border:1px solid rgba(239,68,68,0.2)}
.btn-danger:hover{background:rgba(239,68,68,0.2)}
.btn-success{background:rgba(16,185,129,0.1);color:var(--success);border:1px solid rgba(16,185,129,0.2)}
.btn-success:hover{background:rgba(16,185,129,0.2)}

/* ─── Main Content ──────────────────────────────────────────────────────── */
.main-content{margin-top:64px;padding:28px;flex:1;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ─── Page Header ───────────────────────────────────────────────────────── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:16px}
.page-title{font-size:1.75rem;font-weight:800;letter-spacing:-0.03em}
.page-subtitle{color:var(--text-secondary);font-size:.9rem;margin-top:2px}

/* ─── Stats Grid ────────────────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px}
.filter-select{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 12px;font-size:.85rem;height:36px;cursor:pointer;outline:none;transition:border-color var(--transition);min-width:140px}
.filter-select:focus{border-color:var(--accent-cyan)}

/* ─── Dropdown ────────────────────────────────────────────────────────── */
.dropdown{position:relative;display:inline-block}
.dropdown-content{display:none;position:absolute;right:0;background:var(--bg-card);min-width:180px;box-shadow:0 10px 25px rgba(0,0,0,0.5);border:1px solid var(--border);border-radius:var(--radius-md);z-index:100;backdrop-filter:blur(10px);overflow:hidden}
.dropdown:hover .dropdown-content{display:block}
.dropdown-content a{color:var(--text-secondary);padding:10px 16px;text-decoration:none;display:block;font-size:.85rem;transition:background .2s}
.dropdown-content a:hover{background:var(--bg-card-hover);color:var(--accent-cyan)}
.dropdown-header{padding:8px 16px;font-size:.65rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg-tertiary);opacity:.8}

.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;position:relative;overflow:hidden;transition:all var(--transition)}
.stat-card:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:var(--shadow-glow)}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent-gradient);opacity:.6}
.stat-icon{width:42px;height:42px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:1.25rem}
.stat-icon.cyan{background:rgba(0,212,255,0.1);color:var(--accent-cyan)}
.stat-icon.purple{background:rgba(139,92,246,0.1);color:var(--accent-purple)}
.stat-icon.green{background:rgba(16,185,129,0.1);color:var(--success)}
.stat-icon.pink{background:rgba(236,72,153,0.1);color:var(--accent-pink)}
.stat-value{font-size:2rem;font-weight:800;letter-spacing:-0.03em;line-height:1}
.stat-label{color:var(--text-secondary);font-size:.8125rem;margin-top:4px;font-weight:500}

/* ─── Breadcrumbs ───────────────────────────────────────────────────────── */
.breadcrumbs{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:20px;font-size:.8rem;margin-bottom:16px;backdrop-filter:blur(4px)}
.breadcrumbs a{color:var(--text-secondary);transition:color var(--transition);display:flex;align-items:center;gap:4px}
.breadcrumbs a:hover{color:var(--accent-cyan)}
.breadcrumbs span{color:var(--text-muted);opacity:.5}
.breadcrumbs .current{color:var(--text-primary);font-weight:600}

/* ─── Card / Glass Panel ───────────────────────────────────────────────── */
.glass-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);backdrop-filter:blur(12px);overflow:hidden}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.panel-title{font-size:1rem;font-weight:700;display:flex;align-items:center;gap:8px}
.panel-body{padding:22px}
.panel-body.no-pad{padding:0}

/* ─── Model Grid ────────────────────────────────────────────────────────── */
.model-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.model-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all .25s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative}
.model-card:hover{border-color:var(--border-hover);transform:translateY(-4px);box-shadow:var(--shadow-lg),var(--shadow-glow)}
.model-card.selected{border-color:var(--accent-cyan);box-shadow:0 0 0 2px var(--accent-cyan), var(--shadow-lg)}

.model-card-checkbox{position:absolute;top:12px;left:12px;z-index:20;width:22px;height:22px;border-radius:6px;background:rgba(0,0,0,0.5);border:2px solid rgba(255,255,255,0.4);display:flex;align-items:center;justify-content:center;color:#fff;opacity:0;transition:all .2s;pointer-events:none}
.model-card:hover .model-card-checkbox, .model-card.selected .model-card-checkbox{opacity:1;pointer-events:auto}
.model-card.selected .model-card-checkbox{background:var(--accent-cyan);border-color:var(--accent-cyan)}
.model-card.selected .model-card-checkbox::after{content:'✓';font-size:14px;font-weight:bold}
.model-card-thumb{height:180px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}
.model-card-thumb img{width:100%;height:100%;object-fit:cover}
.model-card-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:3rem;opacity:.6}
.model-card-badges{position:absolute;top:10px;right:10px;display:flex;gap:5px;flex-wrap:wrap}
.model-card-body{padding:16px}
.model-card-name{font-size:1rem;font-weight:700;margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.model-card-meta{display:flex;align-items:center;gap:10px;font-size:.75rem;color:var(--text-secondary)}
.model-card-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--border)}

/* ─── Badges ────────────────────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:6px;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.badge-stl{background:rgba(0,212,255,0.15);color:var(--accent-cyan)}
.badge-gcode{background:rgba(16,185,129,0.15);color:var(--success)}
.badge-3mf{background:rgba(139,92,246,0.15);color:var(--accent-purple)}
.badge-obj{background:rgba(245,158,11,0.15);color:var(--warning)}
.badge-step{background:rgba(236,72,153,0.15);color:var(--accent-pink)}
.badge-image{background:var(--bg-tertiary);color:var(--text-secondary)}
.badge-other{background:var(--bg-tertiary);color:var(--text-secondary)}
.badge-printed{background:rgba(16,185,129,0.12);color:var(--success);border:1px solid rgba(16,185,129,0.2)}
.badge-not-printed{background:var(--bg-tertiary);color:var(--text-muted);border:1px solid var(--border)}
.badge-category{padding:3px 10px;border-radius:20px;font-size:.6875rem;font-weight:600}
.badge-tag{background:rgba(139,92,246,0.08);color:var(--accent-purple);border:1px solid rgba(139,92,246,0.2);padding:2px 10px;border-radius:20px;font-size:.7rem;font-weight:600}

/* ─── Forms ─────────────────────────────────────────────────────────────── */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:.8125rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px}
.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;transition:all var(--transition);outline:none}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(0,212,255,0.1)}
.form-textarea{min-height:60px;resize:vertical}
.form-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}
.form-select option{background:var(--bg-secondary);color:var(--text-primary)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}
.form-checkbox{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:.875rem}
.form-checkbox input[type="checkbox"]{width:18px;height:18px;accent-color:var(--accent-cyan);cursor:pointer}

/* ─── Search & Filters ──────────────────────────────────────────────────── */
.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}
.search-box{flex:1;min-width:200px;position:relative}
.search-box input{width:100%;padding:10px 14px 10px 40px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;transition:all var(--transition);outline:none}
.search-box input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(0,212,255,0.1)}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-muted)}
.filter-select{height:42px;padding:0 36px 0 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.875rem;outline:none;appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;box-sizing:border-box;transition:all var(--transition)}
.filter-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px rgba(0,212,255,0.1)}
.filter-select option{background:var(--bg-secondary);color:var(--text-primary)}
select option{background:var(--bg-secondary);color:var(--text-primary)}

/* ─── File Upload ───────────────────────────────────────────────────────── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:40px;text-align:center;transition:all var(--transition);cursor:pointer}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--accent-cyan);background:rgba(0,212,255,0.03)}
.upload-zone-icon{font-size:2.5rem;margin-bottom:12px;opacity:.5}
.upload-zone-text{color:var(--text-secondary);font-size:.9rem}
.upload-zone-text strong{color:var(--accent-cyan)}
.upload-zone input[type="file"]{display:none}
.file-list{margin-top:16px}

/* ─── File Item ─────────────────────────────────────────────────────────── */
.file-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);transition:background var(--transition);overflow:visible}
.file-item:last-child{border-bottom:none}
.file-item:hover{background:var(--bg-card-hover)}
.glass-panel{overflow:visible}
.file-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform var(--transition)}
.file-item:hover .file-icon{transform:scale(1.05)}
.file-icon.stl{background:rgba(0,212,255,0.08);color:var(--accent-cyan)}
.file-icon.gcode{background:rgba(16,185,129,0.08);color:var(--success)}
.file-icon.\33mf{background:rgba(139,92,246,0.1);color:var(--accent-purple)}
.file-icon.obj{background:rgba(245,158,11,0.1);color:var(--warning)}
.file-icon.step{background:rgba(236,72,153,0.1);color:var(--accent-pink)}
.file-icon.image{background:var(--bg-tertiary);color:var(--text-secondary)}
.file-icon.other{background:var(--bg-tertiary);color:var(--text-secondary)}
.file-info{flex:1;min-width:0}
.file-name{font-size:.875rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-meta{font-size:.75rem;color:var(--text-muted)}
.file-actions{display:flex;gap:6px}
.file-gcode-meta{display:flex;gap:10px;font-size:.65rem;color:var(--accent-cyan);margin-top:6px;opacity:.9;background:rgba(0,212,255,0.06);padding:3px 10px;border-radius:20px;width:fit-content;border:1px solid rgba(0,212,255,0.15)}
.file-gcode-meta b{color:var(--text-primary);opacity:.7}

/* ─── Print History ─────────────────────────────────────────────────────── */
.print-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}
.print-item:last-child{border-bottom:none}
.print-status{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.print-status.success{background:var(--success);box-shadow:0 0 8px rgba(16,185,129,0.4)}
.print-status.failed{background:var(--error);box-shadow:0 0 8px rgba(239,68,68,0.4)}
.print-info{flex:1}
.print-material{font-size:.875rem;font-weight:600}
.print-date{font-size:.75rem;color:var(--text-muted)}
.print-notes{font-size:.8rem;color:var(--text-secondary);margin-top:2px;font-style:italic}

/* ─── Model Detail ──────────────────────────────────────────────────────── */
.detail-layout{display:grid;grid-template-columns:65fr 35fr;gap:24px}
.detail-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;gap:16px}
.detail-title{font-size:1.5rem;font-weight:800;letter-spacing:-0.02em}
.detail-actions{display:flex;gap:8px;flex-shrink:0}
.detail-meta{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.detail-section{margin-bottom:24px}
.detail-section-title{font-size:.8125rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.detail-description{color:var(--text-secondary);font-size:.9rem;line-height:1.7;white-space:pre-wrap}
.detail-tips{background:rgba(245,158,11,0.06);border:1px solid rgba(245,158,11,0.15);border-radius:var(--radius-md);padding:16px;color:var(--text-secondary);font-size:.875rem;line-height:1.7;white-space:pre-wrap}

/* ─── Forms ─────────────────────────────────────────────────────────────── */
.tag-pill-checkbox{cursor:pointer}
.tag-pill-checkbox input{display:none}
.tag-pill{display:inline-flex;align-items:center;padding:6px 14px;background:rgba(255,255,255,0.03);border:1px solid var(--border);border-radius:20px;font-size:.8rem;color:var(--text-secondary);transition:all .2s ease;user-select:none}
.tag-pill-checkbox:hover .tag-pill{background:rgba(255,255,255,0.08);border-color:var(--text-muted)}
.tag-pill-checkbox input:checked + .tag-pill{background:rgba(0,212,255,0.15);border-color:var(--accent-cyan);color:var(--accent-cyan);box-shadow:0 0 12px rgba(0,212,255,0.1)}
.tag-pill.new{border-style:dashed;border-color:var(--accent-pink);color:var(--accent-pink);background:rgba(236,72,153,0.05)}
.tag-pill-checkbox input:checked + .tag-pill.new{background:rgba(236,72,153,0.15);border-color:var(--accent-pink);color:var(--accent-pink);box-shadow:0 0 12px rgba(236,72,153,0.1)}

/* ─── Settings ──────────────────────────────────────────────────────────── */
.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}
.settings-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:rgba(255,255,255,0.01);margin-bottom:2px;border-radius:6px}
.settings-item:hover{background:rgba(255,255,255,0.03)}
.settings-item:last-child{border-bottom:none}
.settings-item-name{font-size:.875rem;font-weight:600;display:flex;align-items:center;gap:12px;color:var(--text-primary)}
.settings-item-actions{display:flex;align-items:center;gap:12px}
.color-dot{width:12px;height:12px;border-radius:50%;display:inline-block;flex-shrink:0}
.add-inline{display:flex;gap:8px;margin-top:12px}
.add-inline input:not([type="color"]){flex:1}
.add-inline input[type="color"]{flex:0 0 40px}

/* ─── Modal ─────────────────────────────────────────────────────────────── */
.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.active{display:flex}
.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:22px 24px 0;position:sticky;top:0}
.modal-title{font-size:1.15rem;font-weight:700}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;padding:4px;line-height:1;transition:color var(--transition)}
.modal-close:hover{color:var(--text-primary)}
.modal-body{padding:20px 24px 24px}

/* ─── Toast ─────────────────────────────────────────────────────────────── */
.toast-container{position:fixed;top:80px;right:24px;z-index:300;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 18px;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;animation:toastIn .3s ease;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow-lg)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast.success{background:rgba(16,185,129,0.15);border:1px solid rgba(16,185,129,0.3);color:var(--success)}
.toast.error{background:rgba(239,68,68,0.15);border:1px solid rgba(239,68,68,0.3);color:var(--error)}
.toast.info{background:rgba(0,212,255,0.15);border:1px solid rgba(0,212,255,0.3);color:var(--accent-cyan)}

/* ─── Empty State ───────────────────────────────────────────────────────── */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-state-icon{font-size:3rem;margin-bottom:16px;opacity:.4}
.empty-state-text{font-size:1rem;margin-bottom:8px;color:var(--text-secondary)}
.empty-state-sub{font-size:.85rem}

/* ─── Activity List ─────────────────────────────────────────────────────── */
.activity-item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:.875rem}
.activity-item:last-child{border-bottom:none}
.activity-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.color-dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px;vertical-align:middle}

/* ─── Skeleton Loading ──────────────────────────────────────────────────── */
.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,rgba(255,255,255,0.04) 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ─── Dashboard Panels ──────────────────────────────────────────────────── */
.dashboard-panels{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}

/* ─── 3D Viewer ─────────────────────────────────────────────────────────── */
/* Model Hero Preview */
.glass-panel img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.panel-body.no-pad {
  padding: 0 !important;
  overflow: hidden;
}

.viewer-container {
  height: 400px;
  background: #1a1a2e;
  background: radial-gradient(circle at center, #1e1e38 0%, #0f0f1a 100%);
  position: relative;
}
.viewer-container canvas{width:100%!important;height:100%!important;display:block}
.viewer-controls{position:absolute;bottom:10px;right:10px;display:flex;gap:6px}
.viewer-controls button{background:rgba(0,0,0,0.5);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.1);color:var(--text-primary);padding:6px 10px;border-radius:6px;font-size:.75rem;cursor:pointer;transition:all var(--transition)}
.viewer-controls button:hover{background:rgba(0,0,0,0.7);border-color:var(--accent-cyan)}
.viewer-hint{position:absolute;bottom:10px;left:10px;font-size:.7rem;color:var(--text-muted);background:rgba(0,0,0,0.5);padding:4px 8px;border-radius:4px;pointer-events:none}

/* ─── Upload File Preview ───────────────────────────────────────────────── */
.upload-file-list{margin-top:12px;max-height:120px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-sm)}
.upload-file-item{display:flex;align-items:center;gap:8px;padding:6px 10px;font-size:.8rem;border-bottom:1px solid var(--border)}
.upload-file-item:last-child{border-bottom:none}
.upload-file-item .remove-file{margin-left:auto;color:var(--text-muted);cursor:pointer;background:none;border:none;font-size:.9rem;padding:0 4px}
.upload-file-item .remove-file:hover{color:var(--error)}

/* ─── Responsive ────────────────────────────────────────────────────────── */
@media(max-width:1024px){
  .detail-layout{grid-template-columns:1fr}
  .dashboard-panels{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .navbar{padding:0 16px}
  .nav-links .nav-link span{display:none}
  .nav-link{padding:8px 10px}
  #nav-add-model span{display:none}
  .main-content{padding:20px 16px}
  .model-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .toolbar{flex-direction:column;align-items:stretch}
  .form-row{grid-template-columns:1fr}
  .settings-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .model-grid{grid-template-columns:1fr}
  .detail-header{flex-direction:column}
  .page-header{flex-direction:column;align-items:flex-start}
}

/* ─── Bulk Action Bar ───────────────────────────────────────────────────── */
.bulk-action-bar{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--bg-secondary);border:1px solid var(--accent-cyan);box-shadow:var(--shadow-lg), 0 0 20px rgba(0,212,255,0.2);padding:12px 24px;border-radius:var(--radius-xl);z-index:1000;display:flex;align-items:center;gap:20px;transition:transform 0.4s cubic-bezier(.175,.885,.32,1.275);backdrop-filter:blur(10px)}
.bulk-action-bar.active{transform:translateX(-50%) translateY(0)}
.bulk-count{font-weight:700;color:var(--accent-cyan);padding-right:15px;border-right:1px solid var(--border)}
.bulk-actions{display:flex;gap:8px}

/* ─── Footer ────────────────────────────────────────────────────────────── */
.app-footer{background:var(--bg-card);border-top:1px solid var(--border);padding:12px 24px;margin-top:auto}
.footer-content{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;font-size:.75rem;color:var(--text-muted)}
.footer-link{color:inherit;text-decoration:none;margin-left:20px;transition:color var(--transition);display:inline-flex;align-items:center;gap:4px}
.footer-link:hover{color:var(--accent-cyan)}

.update-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(245,158,11,0.1);color:#f59e0b;padding:4px 10px;border-radius:12px;margin-left:20px;cursor:pointer;font-weight:600;border:1px solid rgba(245,158,11,0.2);transition:all var(--transition)}
.update-badge:hover{background:rgba(245,158,11,0.2);transform:translateY(-1px)}
.pulse{width:8px;height:8px;background:#f59e0b;border-radius:50%;display:inline-block;animation:pulse-anim 2s infinite}

@keyframes pulse-anim{0%{box-shadow:0 0 0 0 rgba(245,158,11,0.4)}70%{box-shadow:0 0 0 10px rgba(245,158,11,0)}100%{box-shadow:0 0 0 0 rgba(245,158,11,0)}}

@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.rotating { display: inline-block; animation: rotate 2s linear infinite; }
/* ─── Dropdown ─────────────────────────────────────────────────────────── */
.dropdown{position:relative;display:inline-block}
.dropdown-content{display:none;position:absolute;background:var(--bg-secondary);min-width:160px;box-shadow:var(--shadow-lg);border-radius:var(--radius-md);z-index:100;border:1px solid var(--border);right:0;top:100%;margin-top:4px}
.dropdown:hover .dropdown-content{display:block;z-index:200}
.dropdown-content a{color:var(--text-secondary);padding:10px 16px;text-decoration:none;display:block;font-size:.875rem;transition:all var(--transition)}
.dropdown-content a:hover{background:rgba(0,212,255,0.08);color:var(--accent-cyan)}
.dropdown-header{padding:8px 16px;font-size:.65rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);background:rgba(255,255,255,0.02)}