:root{--navy:#0b1730;--navy2:#194f78;--green:#17bc8c;--green2:#63e0b1;--ink:#17233b;--muted:#61708a;--line:#e1e8f0;--bg:#f6f8fc;--danger:#c63d3d;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:inherit}
.logo{font-weight:850;font-size:19px;text-decoration:none;display:inline-flex;align-items:center}.logo span{color:var(--green2)}
.brand-mark{display:inline-grid;place-items:center;width:36px;height:36px;background:#16c69b;border-radius:11px;color:#07283a;font-weight:900;font-size:16px;margin-right:9px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;background:var(--green);color:#082338;font-weight:800;text-decoration:none;padding:12px 18px;border-radius:11px;cursor:pointer;font-size:15px;font-family:inherit}
.btn:disabled{opacity:.6;cursor:wait}.btn.alt{background:#fff;color:var(--ink);border:1px solid #c8d2df}.btn.ghost{background:transparent;color:#fff;border:1px solid #a2b8d3}.btn.danger{background:#fdeaea;color:var(--danger)}.btn.sm{padding:8px 12px;font-size:13px;border-radius:9px}.btn.wa{background:#25d366;color:#05301a}.btn.block{width:100%}
label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px;color:#33415a}
input,select,textarea{width:100%;padding:12px;border:1px solid #c8d2df;border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #17bc8c55;border-color:var(--green)}
.msg{padding:12px 14px;border-radius:10px;font-size:14px;margin-top:14px;line-height:1.5}.msg.error{background:#fdeaea;color:#8a2323}.msg.success{background:#e8f8f3;color:#245b4c}.msg.info{background:#eaf2fb;color:#234a74}
.muted{color:var(--muted)}.small{font-size:12px}
/* auth */
.auth-page{display:grid;grid-template-columns:1.05fr 1fr;min-height:100vh}
.auth-side{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:40px 6%;display:flex;flex-direction:column;justify-content:space-between}
.auth-side h1{font-size:clamp(28px,4vw,44px);line-height:1.12;margin:30px 0 14px}.auth-side p{color:#d9e5f2;line-height:1.7;max-width:460px}
.auth-side ul{list-style:none;padding:0;line-height:2.1;color:#d9e5f2}.auth-side li:before{content:"✓ ";color:var(--green2);font-weight:900}
.auth-main{display:flex;align-items:center;justify-content:center;padding:30px 5%}
.auth-card{width:100%;max-width:420px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 20px 50px #18294c14}
.auth-card h2{margin:0 0 6px;font-size:26px}
.tabs{display:flex;background:#eef3f9;border-radius:12px;padding:4px;margin:18px 0 6px}.tabs button{flex:1;border:0;background:transparent;padding:10px;border-radius:9px;font:inherit;font-weight:700;color:var(--muted);cursor:pointer}.tabs button.active{background:#fff;color:var(--ink);box-shadow:0 2px 8px #18294c14}
.linkbtn{background:none;border:0;color:#147e91;font:inherit;font-size:13px;font-weight:600;cursor:pointer;padding:0;text-decoration:underline}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:10px}
.pw-wrap{position:relative}.pw-wrap button{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--muted);font-size:12px;font-weight:700;cursor:pointer}
@media(max-width:820px){.auth-page{grid-template-columns:1fr}.auth-side{padding:24px 5%}.auth-side h1{font-size:26px;margin:18px 0 8px}.auth-side ul,.auth-side .foot{display:none}.auth-card{padding:22px;border-radius:16px}}
/* dashboard */
.topbar{background:var(--navy);color:#fff;padding:12px 4%;display:flex;justify-content:space-between;align-items:center;gap:10px;position:sticky;top:0;z-index:20}
.user-chip{font-size:13px;color:#bdcde0;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.layout{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 60px)}
.sidenav{background:#fff;border-right:1px solid var(--line);padding:18px 12px}
.sidenav button{display:flex;gap:10px;align-items:center;width:100%;border:0;background:none;text-align:left;padding:12px 14px;border-radius:10px;font:inherit;font-weight:600;color:#42516a;cursor:pointer;margin-bottom:4px}
.sidenav button.active{background:#e8f8f3;color:#0e6b52}
.content{padding:26px 4%;min-width:0}
.panel-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:18px}.panel-head h2{margin:0;font-size:24px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.stat b{display:block;font-size:26px;margin-top:4px}.stat span{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:18px}
.card h3{margin:0 0 12px;font-size:17px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 14px}.form-grid label{margin-top:10px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.toolbar input,.toolbar select{width:auto;min-width:150px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px;border-bottom:1px solid #edf1f6;text-align:left;white-space:nowrap}th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);background:#f8fafd;position:sticky;top:0}
td select,td input{padding:7px;min-width:90px}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:700}.b-present{background:#e1f6ee;color:#0e6b52}.b-absent{background:#fdeaea;color:#8a2323}.b-half_day{background:#fff3d9;color:#8a5a00}.b-leave{background:#eaf2fb;color:#234a74}.b-inactive{background:#eef0f3;color:#5c6676}
.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.room{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px}.room h4{margin:0;font-size:16px}.bar{height:8px;border-radius:5px;background:#e6edf5;margin:10px 0;overflow:hidden}.bar i{display:block;height:100%;background:var(--green)}.bar.full i{background:#e08a1e}
.room ul{list-style:none;padding:0;margin:8px 0 0;font-size:13px;color:#42516a;line-height:1.8}
.ts td.c{text-align:center;padding:8px 4px;font-weight:700;font-size:12px}.ts .P{color:#0e6b52}.ts .A{color:#c63d3d}.ts .H{color:#a06800}.ts .L{color:#2f5f93}.ts .wk{background:#fafbfd}
.empty{text-align:center;padding:30px;color:var(--muted)}
.mobile-nav{display:none}
.banner{background:#fff3d9;color:#6b4800;padding:14px 4%;font-size:14px}
dialog{border:0;border-radius:16px;padding:0;max-width:560px;width:94%;box-shadow:0 30px 80px #0b173055}dialog::backdrop{background:#0b173088}dialog form{padding:22px}
@media(max-width:900px){.stats{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.layout{grid-template-columns:1fr}.sidenav{display:none}.content{padding:18px 4% 90px}
.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:30;overflow-x:auto}
.mobile-nav button{flex:1;min-width:64px;border:0;background:none;padding:9px 4px 11px;font:inherit;font-size:10px;font-weight:700;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:2px}.mobile-nav button span{font-size:19px}.mobile-nav button.active{color:#0e6b52}
.form-grid{grid-template-columns:1fr}.user-chip{display:none}.toolbar input,.toolbar select{flex:1;min-width:0}}