/* KBMS Schedule Pro — base styles. Dark by default; light follows the system unless the user picks a theme. */
:root{--bg:#111316;--surface:#181b1f;--surface2:#1e2126;--raised:#23272d;--line:#2b3037;--line-soft:#20242a;
  --text:#ebe9e5;--muted:#9aa0a8;--faint:#6f757d;--accent:#e0a93c;--accent-ink:#f5d38a;--accent-bg:rgba(224,169,60,.09);--accent-strong:rgba(224,169,60,.18);
  --primary:#3d72d6;--danger:#e05252;--ok:#3fa66a;--focus:#8fb4ff;--wk:#15171b;--shadow:0 1px 2px rgba(0,0,0,.4);
  --panel-shadow:-16px 0 40px rgba(0,0,0,.5);--pop-shadow:0 12px 32px rgba(0,0,0,.55);--chip-on-bg:#ebe9e5;--chip-on-ink:#111316;
  --card-edge:inset 0 0 0 1px rgba(0,0,0,.18);--leave-a:#262a30;--leave-b:#1f2328;--warn-bg:#2a2311;--warn-line:#5b4a1d;--warn-ink:#f5d38a;color-scheme:dark}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){--bg:#f3f2ef;--surface:#ffffff;--surface2:#faf9f7;--raised:#ffffff;--line:#dcd8d1;--line-soft:#ebe8e3;
  --text:#1c1e21;--muted:#5d6269;--faint:#8a8f96;--accent:#a86d0a;--accent-ink:#7a4d00;--accent-bg:rgba(224,169,60,.10);--accent-strong:rgba(224,169,60,.22);
  --primary:#2c5fbf;--danger:#b42318;--ok:#1f7a45;--focus:#2c5fbf;--wk:#ecebe7;--shadow:0 1px 2px rgba(20,20,20,.08);
  --panel-shadow:-16px 0 40px rgba(20,20,20,.14);--pop-shadow:0 12px 32px rgba(20,20,20,.18);--chip-on-bg:#1c1e21;--chip-on-ink:#ffffff;
  --card-edge:inset 0 0 0 1px rgba(0,0,0,.08);--leave-a:#e6e3de;--leave-b:#efede9;--warn-bg:#fdf3dc;--warn-line:#ecd29b;--warn-ink:#6b4500;color-scheme:light}
}
:root[data-theme="light"]{--bg:#f3f2ef;--surface:#ffffff;--surface2:#faf9f7;--raised:#ffffff;--line:#dcd8d1;--line-soft:#ebe8e3;
  --text:#1c1e21;--muted:#5d6269;--faint:#8a8f96;--accent:#a86d0a;--accent-ink:#7a4d00;--accent-bg:rgba(224,169,60,.10);--accent-strong:rgba(224,169,60,.22);
  --primary:#2c5fbf;--danger:#b42318;--ok:#1f7a45;--focus:#2c5fbf;--wk:#ecebe7;--shadow:0 1px 2px rgba(20,20,20,.08);
  --panel-shadow:-16px 0 40px rgba(20,20,20,.14);--pop-shadow:0 12px 32px rgba(20,20,20,.18);--chip-on-bg:#1c1e21;--chip-on-ink:#ffffff;
  --card-edge:inset 0 0 0 1px rgba(0,0,0,.08);--leave-a:#e6e3de;--leave-b:#efede9;--warn-bg:#fdf3dc;--warn-line:#ecd29b;--warn-ink:#6b4500;color-scheme:light}
:root[data-theme="dark"]{--bg:#111316;--surface:#181b1f;--surface2:#1e2126;--raised:#23272d;--line:#2b3037;--line-soft:#20242a;
  --text:#ebe9e5;--muted:#9aa0a8;--faint:#6f757d;--accent:#e0a93c;--accent-ink:#f5d38a;--accent-bg:rgba(224,169,60,.09);--accent-strong:rgba(224,169,60,.18);
  --primary:#3d72d6;--danger:#e05252;--ok:#3fa66a;--focus:#8fb4ff;--wk:#15171b;--shadow:0 1px 2px rgba(0,0,0,.4);
  --panel-shadow:-16px 0 40px rgba(0,0,0,.5);--pop-shadow:0 12px 32px rgba(0,0,0,.55);--chip-on-bg:#ebe9e5;--chip-on-ink:#111316;
  --card-edge:inset 0 0 0 1px rgba(0,0,0,.18);--leave-a:#262a30;--leave-b:#1f2328;--warn-bg:#2a2311;--warn-line:#5b4a1d;--warn-ink:#f5d38a;color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--primary)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
header.top{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;padding:12px 16px;background:var(--surface);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15.5px;color:var(--text);text-decoration:none}
.brand .mark{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#1b1404;display:inline-flex;align-items:center;justify-content:center;font-size:11px}
nav.main{display:flex;gap:4px;flex-wrap:wrap}
nav.main a{padding:6px 10px;border-radius:6px;color:var(--muted);text-decoration:none;font-weight:600}
nav.main a:hover,nav.main a.on{color:var(--text);background:var(--surface2)}
.who{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
main{max-width:1100px;margin:0 auto;padding:24px 16px 48px}
main.wide{max-width:1500px}
main.wide td{white-space:nowrap}
h1{font-size:22px;margin:0 0 6px}
h2{font-size:16px;margin:28px 0 10px}
p.lead{color:var(--muted);margin:0 0 20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.stat .n{font-size:26px;font-weight:700}
.stat .k{color:var(--muted);font-size:12.5px}
.btn{font:inherit;font-size:13px;font-weight:600;color:var(--text);background:var(--raised);border:1px solid var(--line);border-radius:7px;padding:0 12px;height:34px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;text-decoration:none}
.btn:hover{border-color:var(--faint)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.danger{color:var(--danger)}
.btn.small{height:28px;font-size:12px;padding:0 9px}
input[type=text],input[type=password],input[type=search],input[type=date],select{font:inherit;color:var(--text);background:var(--surface2);border:1px solid var(--line);border-radius:7px;height:34px;padding:0 10px}
label{display:block;font-size:12.5px;color:var(--muted);margin:10px 0 4px}
.field{min-width:0}
.form-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.msg{padding:10px 12px;border-radius:8px;margin-bottom:16px;border:1px solid var(--line)}
.msg.ok{border-color:var(--ok);color:var(--ok)}
.msg.err{border-color:var(--danger);color:var(--danger)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
th{font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--faint)}
tr.off td{opacity:.5}
.tag{font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:1px 6px;border-radius:4px;background:var(--surface2);border:1px solid var(--line);color:var(--muted)}
.tag.warn{color:var(--accent);border-color:var(--accent)}
.inline{display:inline-flex;gap:6px;align-items:center;margin:0}
.login{max-width:380px;margin:10vh auto;padding:0 16px}
.login .card{padding:24px}
.login input{width:100%}
.muted{color:var(--muted)}
footer{color:var(--faint);font-size:12px;text-align:center;padding:16px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.chk{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text);cursor:pointer;margin:0}
.chk input{accent-color:var(--primary);width:16px;height:16px;margin:0}
.btn.icon{width:34px;padding:0;justify-content:center}
.btn[disabled]{opacity:.5;cursor:default}
.banner{padding:9px 16px;font-size:13px;border-bottom:1px solid var(--warn-line);background:var(--warn-bg);color:var(--warn-ink)}
[hidden]{display:none !important}

/* ---- Custom theme: Red & Black (allowed per user on the Users page) ---- */
:root[data-theme="redblack"]{--bg:#0a0a0a;--surface:#121212;--surface2:#171717;--raised:#1d1d1d;--line:#3a1517;--line-soft:#211314;
  --text:#f5f3f3;--muted:#b4a9a9;--faint:#7c7272;--accent:#e01e1e;--accent-ink:#ff6b5e;--accent-bg:rgba(224,30,30,.11);--accent-strong:rgba(224,30,30,.24);
  --primary:#e01e1e;--danger:#ff5a4f;--ok:#3fa66a;--focus:#ff6b5e;--wk:#0d0d0d;--shadow:0 1px 2px rgba(0,0,0,.5);
  --panel-shadow:-16px 0 40px rgba(0,0,0,.6);--pop-shadow:0 12px 32px rgba(0,0,0,.65);--chip-on-bg:#e01e1e;--chip-on-ink:#ffffff;
  --card-edge:inset 0 0 0 1px rgba(0,0,0,.2);--leave-a:#1f1515;--leave-b:#171111;--warn-bg:#2a1a10;--warn-line:#5b2f1d;--warn-ink:#ffb48a;color-scheme:dark}
:root[data-theme="redblack"] header.top{background:linear-gradient(90deg,#0a0a0a 0%,#1a0405 55%,#3b0608 100%);border-bottom:2px solid #e01e1e}
:root[data-theme="redblack"] .brand .mark{background:#e01e1e;color:#fff}