:root{--bg-root: #070a11;--bg-surface: #0d1320;--bg-card: #111827;--bg-card-hover: #1a2438;--bg-input: #0f1729;--border: #1e2a42;--border-accent: #2d4a7a;--accent: #3b82f6;--accent-hover: #60a5fa;--accent-glow: rgba(59, 130, 246, .15);--accent-glow-strong: rgba(59, 130, 246, .3);--success: #22c55e;--success-bg: rgba(34, 197, 94, .08);--success-border: rgba(34, 197, 94, .25);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .08);--danger-border: rgba(239, 68, 68, .25);--warning: #f59e0b;--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-muted: #64748b;--text-hash: #7dd3fc;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas, "Liberation Mono", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .4), 0 4px 12px rgba(0, 0, 0, .2);--shadow-elevated: 0 4px 24px rgba(0, 0, 0, .5);--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg-root);color:var(--text-primary);line-height:1.6;min-height:100vh}#app{max-width:960px;margin:0 auto;padding:0 24px 48px}.app-header{padding:40px 0 0;margin-bottom:32px}.app-brand{display:flex;align-items:center;gap:14px;margin-bottom:6px}.app-logo{width:36px;height:36px;color:var(--accent);flex-shrink:0}.app-title{font-size:1.6rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-primary)}.app-subtitle{font-size:.85rem;color:var(--text-secondary);margin-bottom:28px;padding-left:50px}.tab-nav{display:flex;gap:0;border-bottom:1px solid var(--border)}.tab-btn{background:none;border:none;color:var(--text-muted);font-family:var(--font-sans);font-size:.85rem;font-weight:500;letter-spacing:.03em;padding:12px 20px;cursor:pointer;position:relative;transition:color var(--transition-fast)}.tab-btn:hover{color:var(--text-secondary)}.tab-btn.active{color:var(--accent)}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--accent);border-radius:2px 2px 0 0}#view-container{padding-top:32px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-card)}.card+.card{margin-top:16px}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.card-title{font-size:1rem;font-weight:600;color:var(--text-primary)}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:48px 24px;text-align:center;cursor:pointer;transition:border-color var(--transition-normal),background var(--transition-normal),box-shadow var(--transition-normal);position:relative}.drop-zone:hover{border-color:var(--border-accent);background:var(--accent-glow)}.drop-zone.dragover{border-color:var(--accent);background:var(--accent-glow);box-shadow:0 0 32px var(--accent-glow-strong)}.drop-zone-icon{width:48px;height:48px;color:var(--text-muted);margin:0 auto 16px;transition:color var(--transition-normal)}.drop-zone.dragover .drop-zone-icon{color:var(--accent)}.drop-zone-text{font-size:.95rem;color:var(--text-secondary);margin-bottom:4px}.drop-zone-hint{font-size:.8rem;color:var(--text-muted)}.drop-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.file-info{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;margin-top:20px;animation:fadeIn var(--transition-normal) ease}.file-info-row{display:flex;justify-content:space-between;align-items:baseline;padding:6px 0}.file-info-row+.file-info-row{border-top:1px solid var(--border)}.file-info-label{font-size:.78rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);flex-shrink:0;min-width:120px}.file-info-value{font-size:.88rem;color:var(--text-primary);text-align:right;word-break:break-all}.file-info-value.hash{font-family:var(--font-mono);font-size:.78rem;color:var(--text-hash)}.form-group{margin-top:20px}.form-label{display:block;font-size:.8rem;font-weight:500;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);margin-bottom:6px}.form-input,.form-textarea,.form-select{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-sans);font-size:.9rem;padding:10px 14px;transition:border-color var(--transition-fast),box-shadow var(--transition-fast);outline:none}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.form-textarea{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-sans);font-size:.88rem;font-weight:600;padding:10px 24px;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 0 20px var(--accent-glow-strong)}.btn-secondary{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);color:var(--text-primary)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-group{display:flex;gap:12px;margin-top:24px}.btn-sm{font-size:.78rem;padding:6px 12px}.status-badge{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:6px 14px;border-radius:100px}.status-badge.intact{background:var(--success-bg);color:var(--success);border:1px solid var(--success-border)}.status-badge.broken{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger-border)}.status-badge.empty{background:#64748b1a;color:var(--text-muted);border:1px solid 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