:root{color-scheme:dark;--bg: #0f1115;--panel: #171a21;--border: #2a3040;--text: #e8eaef;--muted: #8b93a7;--accent: #c9a227;--accent-dim: #8a7020;--danger: #e05a5a;--ok: #4caf82;font-family:Segoe UI,system-ui,sans-serif;line-height:1.5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:var(--panel);border-right:1px solid var(--border);padding:1.25rem 1rem;display:flex;flex-direction:column;gap:1rem}.brand{font-weight:700;letter-spacing:.04em;color:var(--accent);padding:0 .5rem}.nav-link{display:block;padding:.6rem .75rem;border-radius:8px;color:var(--muted)}.nav-link.active,.nav-link:hover{background:#222733;color:var(--text)}.main{padding:1.5rem 2rem}.page-title{margin:0 0 1rem;font-size:1.5rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem}.card-label{color:var(--muted);font-size:.85rem}.card-value{font-size:1.6rem;font-weight:700;margin-top:.25rem}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1rem}.toolbar{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;margin-bottom:1rem}.btn{border:1px solid var(--border);background:#222733;color:var(--text);border-radius:8px;padding:.45rem .85rem}.btn-primary{background:var(--accent-dim);border-color:var(--accent);color:#fff}.btn-danger{border-color:var(--danger);color:var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{background:#10141c;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:.45rem .65rem}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{border-bottom:1px solid var(--border);padding:.65rem .5rem;text-align:left;vertical-align:top}th{color:var(--muted);font-weight:600}.tag{display:inline-block;padding:.15rem .45rem;border-radius:999px;font-size:.75rem;border:1px solid var(--border)}.tag-used{color:var(--muted)}.tag-free{color:var(--ok)}.error{color:var(--danger);margin:.5rem 0}.muted{color:var(--muted)}.login-page{min-height:100vh;display:grid;place-items:center;padding:1rem}.login-box{width:min(400px,100%);background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:2rem}.login-box h1{margin:0 0 .25rem;color:var(--accent)}.form-row{display:flex;flex-direction:column;gap:.35rem;margin-bottom:1rem}.form-row input,.form-row select,.form-row textarea{width:100%}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:grid;place-items:center;padding:1rem;z-index:50}.modal{width:min(560px,100%);max-height:90vh;overflow:auto;background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.pagination{display:flex;gap:.5rem;align-items:center;margin-top:1rem}.detail-grid{display:grid;gap:.75rem}.detail-grid dt{color:var(--muted);font-size:.85rem}.detail-grid dd{margin:.15rem 0 0;white-space:pre-wrap;word-break:break-word}@media(max-width:768px){.app-shell{grid-template-columns:1fr}.sidebar{flex-direction:row;flex-wrap:wrap;align-items:center}}