:root{--ink: #16283a;--ink-soft: #4a5c6e;--paper: #f4f6f8;--card: #ffffff;--line: #dde3e9;--accent: #d98b1f;--accent-ink: #7a4c07;--good: #1f7a4c;--bad: #b23a3a;--info: #2a5f9e;--radius: 8px;font-family:Segoe UI,system-ui,-apple-system,Roboto,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:15px}a{color:var(--info);text-decoration:none}h1,h2,h3{margin:0 0 12px;letter-spacing:-.01em}.shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--ink);color:#d9e2ec;display:flex;flex-direction:column;padding:20px 0}.sidebar .brand{padding:0 20px 18px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:12px}.sidebar .brand b{display:block;font-size:17px;color:#fff}.sidebar .brand span{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent)}.sidebar nav a{display:block;padding:10px 20px;color:#c3cfdb;font-size:14px;border-left:3px solid transparent}.sidebar nav a:hover{background:#ffffff0f;color:#fff}.sidebar nav a.active{background:#ffffff14;color:#fff;border-left-color:var(--accent)}.sidebar .foot{margin-top:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.sidebar .foot .who{color:#fff;font-weight:600}.sidebar .foot .role{color:var(--accent);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.sidebar .foot button{margin-top:10px;width:100%;background:transparent;color:#c3cfdb;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);padding:7px;cursor:pointer;font-size:13px}.sidebar .foot button:hover{border-color:#fff;color:#fff}.main{flex:1;padding:28px 36px;max-width:1100px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-head p{margin:4px 0 0;color:var(--ink-soft);font-size:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px}table{width:100%;border-collapse:collapse;background:var(--card)}.table-card{padding:0;overflow:hidden}th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);padding:12px 16px;border-bottom:2px solid var(--line);background:#fafbfc}td{padding:12px 16px;border-bottom:1px solid var(--line);font-size:14px}tr:last-child td{border-bottom:none}tr.clickable{cursor:pointer}tr.clickable:hover td{background:#f7f9fb}.badge{display:inline-block;padding:3px 10px;border-radius:4px;font-size:11px;font-weight:700;letter-spacing:.06em;border:1px solid transparent}.badge.PENDING{background:#fdf3e0;color:var(--accent-ink);border-color:#ecd3a4}.badge.APPROVED{background:#e7f2ec;color:var(--good);border-color:#bcd9ca}.badge.REJECTED{background:#f9e9e9;color:var(--bad);border-color:#e3bcbc}.badge.ASSIGNED{background:#e8eff8;color:var(--info);border-color:#bfd2e8}.badge.COMPLETED{background:#eef0f2;color:var(--ink-soft);border-color:var(--line)}.badge.CANCELLED{background:#eef0f2;color:#8a95a0;border-color:var(--line)}.badge.AVAILABLE{background:#e7f2ec;color:var(--good);border-color:#bcd9ca}.badge.MAINTENANCE{background:#f9e9e9;color:var(--bad);border-color:#e3bcbc}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}.form-grid .full{grid-column:1 / -1}label{display:block;font-size:13px;font-weight:600;margin-bottom:5px;color:var(--ink-soft)}input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:var(--radius);font:inherit;background:#fff;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}textarea{resize:vertical;min-height:80px}.btn{display:inline-block;padding:9px 18px;border-radius:var(--radius);border:1px solid transparent;font:inherit;font-weight:600;cursor:pointer;font-size:14px}.btn.primary{background:var(--ink);color:#fff}.btn.primary:hover{background:#22384f}.btn.accent{background:var(--accent);color:#fff}.btn.accent:hover{background:#c07a15}.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn.ghost:hover{border-color:var(--ink-soft)}.btn.danger{background:var(--bad);color:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}.alert{padding:11px 14px;border-radius:var(--radius);font-size:14px;margin-bottom:14px}.alert.error{background:#f9e9e9;color:var(--bad);border:1px solid #e3bcbc}.alert.ok{background:#e7f2ec;color:var(--good);border:1px solid #bcd9ca}.login-wrap{min-height:100vh;display:grid;place-items:center;background:var(--ink)}.login-card{width:360px;background:var(--card);border-radius:10px;padding:32px;border-top:4px solid var(--accent)}.login-card .brand{margin-bottom:20px}.login-card .brand span{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent)}.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:18px;align-items:start}.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 14px;font-size:14px}.kv dt{color:var(--ink-soft)}.kv dd{margin:0}.timeline{list-style:none;margin:0;padding:0}.timeline li{padding:8px 0 8px 16px;border-left:2px solid var(--line);font-size:13px}.timeline li b{display:block}.timeline li span{color:var(--ink-soft)}.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}.tabs button{padding:7px 14px;border-radius:20px;border:1px solid var(--line);background:#fff;cursor:pointer;font:inherit;font-size:13px;color:var(--ink-soft)}.tabs button.active{background:var(--ink);color:#fff;border-color:var(--ink)}.empty{text-align:center;color:var(--ink-soft);padding:40px 0}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;background:#16283a80;display:grid;place-items:center;z-index:50}.modal{background:#fff;border-radius:10px;padding:24px;width:520px;max-width:92vw;max-height:90vh;overflow:auto}@media (max-width: 860px){.shell{flex-direction:column}.sidebar{width:100%;flex-direction:row;align-items:center;padding:10px;overflow-x:auto}.sidebar .brand{border:none;padding:0 14px;margin:0}.sidebar nav{display:flex}.sidebar nav a{border-left:none;border-bottom:3px solid transparent;padding:8px 12px;white-space:nowrap}.sidebar nav a.active{border-left:none;border-bottom-color:var(--accent)}.sidebar .foot{display:none}.main{padding:18px}.form-grid,.detail-grid{grid-template-columns:1fr}}