:root{
  --bg:#f3f6fa;
  --surface:#ffffff;
  --ink:#10192a;
  --ink-soft:#60708a;
  --line:#dfe6ef;
  --sidebar:#0a1830;
  --sidebar-ink:#eef2f9;
  --sidebar-ink-soft:#8093ad;
  --sidebar-active:#163257;
  --accent:#1568d1;
  --accent-ink:#ffffff;
  --ok:#1f9d63;
  --ok-bg:#e4f6ec;
  --warn:#b6790a;
  --warn-bg:#fdf1db;
  --bad:#d14343;
  --bad-bg:#fbe9e8;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0a0f18;
    --surface:#121b29;
    --ink:#eef2f9;
    --ink-soft:#8c9cb4;
    --line:#223349;
    --sidebar:#060d1b;
    --sidebar-ink:#eef2f9;
    --sidebar-ink-soft:#71859e;
    --sidebar-active:#163257;
    --accent:#5a9dfa;
    --accent-ink:#041226;
    --ok:#52c98a;
    --ok-bg:#132a1f;
    --warn:#e3b156;
    --warn-bg:#352a10;
    --bad:#e3827c;
    --bad-bg:#351c1a;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Inter",system-ui,-apple-system,sans-serif;font-size:14px}
h1,h2,h3{font-family:"Manrope",system-ui,sans-serif;font-weight:800;text-wrap:balance;margin:0;letter-spacing:-.01em}
a{color:inherit}
[hidden]{display:none!important}

/* ---- login / setup ---- */
.center-shell{min-height:100%;display:flex;align-items:center;justify-content:center;padding:40px 16px}
.login-card{width:100%;max-width:340px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:30px}
.brand{display:flex;align-items:center;gap:10px}
.brand .mark{width:32px;height:32px;border-radius:9px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:var(--accent-ink);font-family:"Manrope",sans-serif;font-weight:800;font-size:15px;flex:none}
.brand h1{font-size:19px;color:var(--ink)}
.login-card .brand{justify-content:center;margin-bottom:6px}
.tagline{color:var(--ink-soft);font-size:13px;margin:0 0 24px;text-align:center}
.hint{font-size:11.5px;color:var(--ink-soft);text-align:center;margin-top:14px}
.error{background:var(--bad-bg);color:var(--bad);border-radius:9px;padding:9px 12px;font-size:13px;margin-bottom:16px}
.flash{background:var(--ok-bg);color:var(--ok);border-radius:9px;padding:9px 12px;font-size:13px;margin-bottom:16px;font-weight:600}

/* ---- forms ---- */
.field{margin-bottom:14px}
label{display:block;font-size:12px;font-weight:700;color:var(--ink-soft);margin-bottom:5px}
input,select,textarea{width:100%;font:inherit;font-size:14px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:9px;padding:9px 11px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
textarea{resize:vertical;min-height:60px;font-family:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:9px;padding:10px 16px;font:inherit;font-size:13.5px;font-weight:700;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ok{background:var(--ok);color:#fff}
.btn-bad{background:transparent;border:1px solid var(--bad);color:var(--bad)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-block{width:100%}
.row{display:flex;gap:12px}
.row > div{flex:1;min-width:0}
.help{font-size:12px;color:var(--ink-soft);margin-top:-8px;margin-bottom:14px}

/* ---- app shell ---- */
#app{display:flex;min-height:100%}
.sidebar{
  flex:none;width:228px;background:var(--sidebar);color:var(--sidebar-ink);
  display:flex;flex-direction:column;gap:18px;padding:22px 14px 16px;
}
.sidebar .brand{padding:0 6px}
.sidebar .brand h1{color:#fff;font-size:16px}
nav{display:flex;flex-direction:column;gap:2px}
nav a{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--sidebar-ink-soft);font-size:13.5px;font-weight:600;padding:9px 10px;border-radius:9px}
nav a svg{flex:none;opacity:.85}
nav a.active{background:var(--sidebar-active);color:#fff}
nav a.active svg{opacity:1}
nav a:hover:not(.active){color:#fff}
.sidebar-foot{margin-top:auto;padding:12px 6px 4px;border-top:1px solid #1b2825;display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px}
.sidebar-foot .av{width:30px;height:30px;border-radius:999px;background:var(--sidebar-active);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex:none}
.sidebar-foot .name{font-size:12.5px;font-weight:700;color:#fff;line-height:1.2}
.sidebar-foot .role{font-size:11px;color:var(--sidebar-ink-soft)}
.sidebar-foot a{margin-left:auto;color:var(--sidebar-ink-soft);font-size:11.5px;text-decoration:underline}

main{flex:1;min-width:0;padding:26px 28px 50px;overflow-x:hidden}
.page-head{margin-bottom:20px}
.page-head p{color:var(--ink-soft);font-size:13px;margin:4px 0 0}

.stats{display:flex;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.stat{flex:1;min-width:140px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.stat .n{font-family:"Manrope",sans-serif;font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.stat .l{font-size:12px;color:var(--ink-soft);margin-top:5px}

.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}
.card + .card{margin-top:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.card h2{font-size:15.5px;display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}
.card h2 a.link{font-size:12px;font-weight:700;color:var(--accent);text-decoration:none}
.card .desc{font-size:12.5px;color:var(--ink-soft);margin:-10px 0 14px}

.req{display:flex;gap:12px;align-items:flex-start;padding-block:12px;border-top:1px solid var(--line)}
.req:first-child{border-top:0;padding-top:0}
.req .who{width:32px;height:32px;border-radius:999px;background:var(--bg);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700;color:var(--ink-soft);flex:none}
.req .main{flex:1;min-width:0}
.req .dates{font-weight:700;font-size:13.5px;font-variant-numeric:tabular-nums}
.req .meta{font-size:12px;color:var(--ink-soft);margin-top:2px}
.req .note{font-size:12px;color:var(--ink-soft);margin-top:5px;font-style:italic}
.actions{display:flex;gap:8px;flex:none}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:800;padding:3px 9px;border-radius:999px;text-transform:uppercase;letter-spacing:.03em;flex:none}
.pill.pending{background:var(--warn-bg);color:var(--warn)}
.pill.approved{background:var(--ok-bg);color:var(--ok)}
.pill.declined{background:var(--bad-bg);color:var(--bad)}
.badge{display:inline-flex;align-items:center;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--bg);color:var(--ink-soft)}
.empty{color:var(--ink-soft);font-size:13px;padding:6px 0}

table{width:100%;border-collapse:collapse}
table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.03em;color:var(--ink-soft);padding:0 10px 8px;border-bottom:1px solid var(--line)}
table td{padding:11px 10px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
table tr:last-child td{border-bottom:0}

.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-top:8px}
.cal .dow{font-size:10.5px;color:var(--ink-soft);text-align:center;padding-bottom:4px;font-weight:700;text-transform:uppercase}
.cal .day{aspect-ratio:1;border-radius:8px;background:var(--bg);border:1px solid var(--line);font-size:11px;font-variant-numeric:tabular-nums;padding:4px;position:relative;color:var(--ink-soft)}
.cal .day.out{opacity:.35}
.cal .day.today{border-color:var(--accent);border-width:2px}
.cal .day .bars{position:absolute;left:3px;right:3px;bottom:3px;display:flex;flex-direction:column;gap:2px}
.cal .day .bars span{height:4px;border-radius:2px;display:block}
.legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font-size:11.5px;color:var(--ink-soft)}
.legend .sw{display:inline-flex;align-items:center;gap:5px}
.legend .dot{width:8px;height:8px;border-radius:999px;flex:none}
.cal-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.cal-nav a{text-decoration:none;font-weight:700;color:var(--accent);font-size:13px}

.modal-note{background:var(--bg);border:1px dashed var(--line);border-radius:10px;padding:12px;font-size:12.5px;color:var(--ink-soft);margin-top:10px}
.temp-pass{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:16px;font-weight:700;letter-spacing:.04em;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:8px 12px;display:inline-block;margin:6px 0}

@media (max-width:760px){
  #app{flex-direction:column}
  .sidebar{width:100%;flex-direction:row;align-items:center;gap:12px;padding:14px;overflow-x:auto}
  .sidebar .brand{flex:none}
  nav{flex-direction:row;flex:1;overflow-x:auto}
  nav a{white-space:nowrap}
  .sidebar-foot{display:none}
  main{padding:20px 16px 50px}
  .grid2{grid-template-columns:1fr}
  table{display:block;overflow-x:auto}
}