:root{--color-bg: #0d1117;--color-surface: #161b22;--color-surface-hover: #1c2333;--color-border: #30363d;--color-text: #e6edf3;--color-text-muted: #8b949e;--color-primary: #c9873b;--color-primary-hover: #e09a43;--color-secondary: #484f58;--color-secondary-hover: #6e7681;--color-danger: #da3633;--color-danger-hover: #f85149;--color-success: #3fb950;--color-accent: #6e40c9;--color-rarity-common: #8b949e;--color-rarity-uncommon: #3fb950;--color-rarity-rare: #58a6ff;--color-rarity-mythic: #f0883e;--color-rarity-legendary: #c9873b;--radius: 8px;--shadow: 0 2px 8px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .6)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}.navbar{display:flex;align-items:center;padding:0 24px;height:60px;background-color:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.nav-brand a{font-size:1.4rem;font-weight:700;color:var(--color-primary);letter-spacing:.5px}.nav-brand a:hover{color:var(--color-primary-hover)}.nav-links{display:flex;gap:20px;margin-left:40px}.nav-links a{color:var(--color-text-muted);font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--color-text)}.nav-auth{margin-left:auto;display:flex;align-items:center;gap:12px}.nav-user{color:var(--color-text-muted);font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border:1px solid transparent;border-radius:var(--radius);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none}.btn-primary{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background-color:var(--color-primary-hover);border-color:var(--color-primary-hover);color:#fff}.btn-secondary{background-color:var(--color-secondary);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background-color:var(--color-secondary-hover)}.btn-danger{background-color:transparent;color:var(--color-danger);border-color:var(--color-danger)}.btn-danger:hover{background-color:var(--color-danger);color:#fff}.btn-sm{padding:4px 10px;font-size:.8rem}.btn:disabled{opacity:.5;cursor:not-allowed}.main-content{max-width:1200px;margin:0 auto;padding:24px}.app-loading{display:flex;align-items:center;justify-content:center;height:100vh;color:var(--color-text-muted);font-size:1.2rem}.page-header{margin-bottom:24px}.page-header h1{font-size:1.8rem;font-weight:700;color:var(--color-text)}.page-header p{color:var(--color-text-muted);margin-top:4px}.search-bar{display:flex;gap:12px;margin-bottom:24px}.search-bar input,.search-bar select{padding:10px 14px;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-size:.95rem;outline:none;transition:border-color .2s}.search-bar input:focus,.search-bar select:focus{border-color:var(--color-primary)}.search-bar input{flex:1}.search-bar select{min-width:150px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}.card-item{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s}.card-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}.card-item-image{width:100%;aspect-ratio:3 / 4;background-color:var(--color-bg);display:flex;align-items:center;justify-content:center;overflow:hidden}.card-item-image img{width:100%;height:100%;object-fit:cover}.card-item-image .placeholder{color:var(--color-text-muted);font-size:.85rem}.card-item-info{padding:12px}.card-item-name{font-weight:600;font-size:.95rem;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-item-meta{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--color-text-muted)}.card-rarity{font-weight:600;text-transform:capitalize}.card-rarity.common{color:var(--color-rarity-common)}.card-rarity.uncommon{color:var(--color-rarity-uncommon)}.card-rarity.rare{color:var(--color-rarity-rare)}.card-rarity.mythic{color:var(--color-rarity-mythic)}.card-rarity.legendary{color:var(--color-rarity-legendary)}.card-mana{font-weight:500}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#000000b3;display:flex;align-items:center;justify-content:center;z-index:200;padding:24px}.modal-content{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--color-border)}.modal-header h2{font-size:1.2rem;font-weight:600}.modal-close{background:none;border:none;color:var(--color-text-muted);font-size:1.5rem;cursor:pointer;padding:0;line-height:1}.modal-close:hover{color:var(--color-text)}.modal-body{padding:20px}.card-detail{display:flex;flex-direction:column;gap:16px}.card-detail-image{width:100%;max-width:300px;margin:0 auto;aspect-ratio:3 / 4;background-color:var(--color-bg);border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center}.card-detail-image img{width:100%;height:100%;object-fit:cover}.card-detail-info{display:flex;flex-direction:column;gap:8px}.card-detail-row{display:flex;gap:8px}.card-detail-label{font-weight:600;color:var(--color-text-muted);min-width:80px}.card-detail-value{color:var(--color-text)}.card-detail-description{margin-top:8px;padding-top:12px;border-top:1px solid var(--color-border);color:var(--color-text-muted);line-height:1.7}.card-detail-actions{margin-top:16px;display:flex;gap:12px}.form-container{max-width:400px;margin:60px auto;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:32px}.form-container h1{font-size:1.4rem;margin-bottom:24px;text-align:center;color:var(--color-primary)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.9rem;font-weight:500;color:var(--color-text-muted);margin-bottom:6px}.form-group input,.form-group select{width:100%;padding:10px 14px;background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-size:.95rem;outline:none;transition:border-color .2s}.form-group input:focus,.form-group select:focus{border-color:var(--color-primary)}.form-group .checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer}.form-group .checkbox-label input[type=checkbox]{width:auto;accent-color:var(--color-primary)}.form-actions{margin-top:24px}.form-actions .btn{width:100%}.form-footer{margin-top:16px;text-align:center;font-size:.9rem;color:var(--color-text-muted)}.form-footer a{color:var(--color-primary)}.form-error{background-color:#da36331a;border:1px solid var(--color-danger);border-radius:var(--radius);padding:10px 14px;margin-bottom:16px;color:var(--color-danger);font-size:.9rem}.form-success{background-color:#3fb9501a;border:1px solid var(--color-success);border-radius:var(--radius);padding:10px 14px;margin-bottom:16px;color:var(--color-success);font-size:.9rem}.collection-table{width:100%;border-collapse:collapse;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.collection-table th,.collection-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--color-border)}.collection-table th{background-color:var(--color-bg);font-weight:600;font-size:.85rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px}.collection-table td{font-size:.95rem}.collection-table tr:last-child td{border-bottom:none}.collection-table tr:hover td{background-color:var(--color-surface-hover)}.collection-item-name{font-weight:600;color:var(--color-primary)}.collection-item-foil{color:var(--color-accent);font-weight:500;font-size:.85rem}.collection-item-actions{display:flex;gap:8px}.collection-empty{text-align:center;padding:48px 24px;color:var(--color-text-muted)}.collection-empty p{font-size:1.1rem;margin-bottom:16px}.pagination{display:flex;flex-direction:column;gap:12px;margin-top:24px}.pagination-info{display:flex;justify-content:space-between;align-items:center;color:var(--color-text-muted);font-size:.9rem}.pagination-per-page{display:flex;align-items:center;gap:8px}.pagination-per-page select{padding:4px 8px;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:4px;color:var(--color-text);font-size:.85rem;outline:none}.pagination-per-page select:focus{border-color:var(--color-primary)}.pagination-controls{display:flex;justify-content:center;align-items:center;gap:4px;flex-wrap:wrap}.pagination-ellipsis{color:var(--color-text-muted);padding:4px 6px;font-size:.85rem}.load-more{display:flex;justify-content:center;margin-top:32px}.inline-edit input,.inline-edit select{padding:4px 8px;background-color:var(--color-bg);border:1px solid 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16px;background:none;border:none;color:var(--color-text);font-size:.9rem;text-align:left;cursor:pointer;transition:background-color .15s;text-decoration:none}.user-menu-item:hover{background-color:var(--color-surface-hover);color:var(--color-text)}.import-page{max-width:900px;margin:0 auto}.file-drop-zone{border:2px dashed var(--color-border);border-radius:var(--radius);padding:40px 24px;text-align:center;cursor:pointer;transition:border-color .2s,background-color .2s;color:var(--color-text-muted);margin-bottom:24px}.file-drop-zone:hover,.file-drop-zone.drag-over{border-color:var(--color-primary);background-color:#c9873b0d}.file-drop-hint{font-size:.8rem;margin-top:8px}.import-summary{display:flex;gap:16px;margin-bottom:16px;font-size:.95rem;color:var(--color-text-muted)}.import-error-count{color:var(--color-danger)}.import-preview{margin-bottom:24px;overflow-x:auto}.import-row-error td{background-color:#da36330d}.import-cell-error{color:var(--color-danger);font-size:.85rem}.import-actions{display:flex;gap:12px;margin-bottom:24px}.import-progress{margin-bottom:24px}.progress-bar{width:100%;height:8px;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background-color:var(--color-primary);transition:width .2s}.progress-text{font-size:.9rem;color:var(--color-text-muted)}.import-failures{background-color:#da36331a;border:1px solid var(--color-danger);border-radius:var(--radius);padding:16px;margin-bottom:24px}.import-failures h3{color:var(--color-danger);font-size:1rem;margin-bottom:8px}.import-failures li{color:var(--color-danger);font-size:.9rem;margin-left:16px;margin-bottom:4px}@media(max-width:768px){.navbar{padding:0 16px}.nav-links{margin-left:20px;gap:12px}.main-content{padding:16px}.card-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.search-bar{flex-direction:column}.collection-table{font-size:.85rem}.collection-table th,.collection-table td{padding:8px 10px}.pagination-info{flex-direction:column;gap:8px;align-items:flex-start}}