:root{--primary: #2563eb;--primary-hover: #1d4ed8;--bg: #f8fafc;--surface: #ffffff;--text: #0f172a;--text-light: #64748b;--border: #e2e8f0;--danger: #ef4444}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg);color:var(--text)}.container{max-width:1000px;margin:0 auto;padding:2rem}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:var(--surface);border-bottom:1px solid var(--border)}.nav-brand a{font-size:1.5rem;font-weight:700;text-decoration:none;color:var(--primary)}.nav-links{display:flex;align-items:center;gap:1.5rem}.nav-links a{text-decoration:none;color:var(--text);font-weight:500}button{cursor:pointer;padding:.5rem 1rem;border-radius:6px;font-weight:500;border:none;transition:all .2s}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:#fff;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background-color:var(--bg)}.btn-danger{background-color:var(--danger);color:#fff;padding:.25rem .75rem;font-size:.875rem}.link-btn{background:none;color:var(--primary);padding:0;text-decoration:underline}.hero-section{text-align:center;margin-top:4rem}.shorten-form{display:flex;justify-content:center;gap:1rem;margin-bottom:2rem}input{padding:.75rem 1rem;border:1px solid var(--border);border-radius:6px;width:300px;font-size:1rem}.result-box{background:#dcfce7;padding:2rem;border-radius:8px;display:inline-block}.result-box a{font-size:1.25rem;font-weight:700;color:#166534;margin-right:1rem}.error-box{color:var(--danger);margin-bottom:1rem}.login-prompt{margin-top:1rem;font-size:.875rem}.data-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:8px;overflow:hidden;box-shadow:0 1px 3px #0000001a}.data-table th,.data-table td{padding:1rem;text-align:left;border-bottom:1px solid var(--border)}.data-table th{background:var(--bg);font-weight:600}.truncate{max-width:200px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge.ADMIN{background:#fee2e2;color:#991b1b;padding:.25rem .5rem;border-radius:4px;font-size:.75rem}.badge.USER{background:#e0e7ff;color:#3730a3;padding:.25rem .5rem;border-radius:4px;font-size:.75rem}