/* ==========================================================================
   MALVAR IA — design system. One system, light + dark.
   Brand note: garnet (school crest). Everything else stays quiet.
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600&family=Hanken+Grotesk:wght@400;500;600;700&display=swap');

:root{
  --paper:#fbfaf7; --surface:#ffffff; --surface-2:#f6f3ee;
  --ink:#191c22; --slate:#5b6472; --faint:#8b94a3;
  --line:#e8e4dc; --line-strong:#d9d3c7;
  --garnet:#7a1e2b; --garnet-deep:#5e141f; --garnet-ink:#fff;
  --garnet-wash:#f5e9ea;
  --focus:#2f5fb0;
  --ok:#1b6b4c; --ok-wash:#e6f2ec;
  --warn:#8a5a12; --warn-wash:#f7efdd;
  --danger:#9a2820; --danger-wash:#f8e7e4;
  --radius:10px; --radius-lg:16px;
  --shadow:0 1px 2px rgba(25,28,34,.04), 0 2px 8px rgba(25,28,34,.05);
  --rail:248px;
}
:root[data-theme="dark"], :root:not([data-theme="light"]){ }
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#111419; --surface:#171b22; --surface-2:#1d222b;
    --ink:#eef1f5; --slate:#a6b0c0; --faint:#79828f;
    --line:#262c37; --line-strong:#333b49;
    --garnet:#c96470; --garnet-deep:#b14d5a; --garnet-ink:#140608;
    --garnet-wash:#2a1419;
    --focus:#6ea0ff;
    --ok:#4bbf8e; --ok-wash:#13241d;
    --warn:#d6a24a; --warn-wash:#28210f;
    --danger:#e08a82; --danger-wash:#2a1512;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 2px 10px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --paper:#111419; --surface:#171b22; --surface-2:#1d222b;
  --ink:#eef1f5; --slate:#a6b0c0; --faint:#79828f;
  --line:#262c37; --line-strong:#333b49;
  --garnet:#c96470; --garnet-deep:#b14d5a; --garnet-ink:#140608;
  --garnet-wash:#2a1419; --focus:#6ea0ff;
  --ok:#4bbf8e; --ok-wash:#13241d; --warn:#d6a24a; --warn-wash:#28210f;
  --danger:#e08a82; --danger-wash:#2a1512;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 2px 10px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:'Hanken Grotesk',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:15px; line-height:1.55; -webkit-font-smoothing:antialiased;
}
a{color:var(--garnet);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:4px}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em;line-height:1.2}

/* --- Wordmark --------------------------------------------------------- */
.wordmark{font-family:'Fraunces',Georgia,serif;font-weight:600;font-size:1.18rem;letter-spacing:-.01em;color:var(--ink);display:inline-flex;align-items:baseline;gap:.08em}
.wordmark .ia{color:var(--garnet)}
.crest{width:26px;height:26px;border-radius:7px;background:var(--garnet);color:var(--garnet-ink);display:grid;place-items:center;font-family:'Fraunces',serif;font-weight:600;font-size:.95rem;flex:none}

/* --- App shell -------------------------------------------------------- */
.shell{display:grid;grid-template-columns:var(--rail) 1fr;min-height:100vh}
.rail{background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.rail-head{display:flex;align-items:center;gap:.6rem;padding:1.1rem 1.1rem;border-bottom:1px solid var(--line)}
.nav{padding:.75rem .6rem;display:flex;flex-direction:column;gap:.1rem;flex:1}
.nav a{display:flex;align-items:center;gap:.7rem;padding:.55rem .7rem;border-radius:var(--radius);color:var(--slate);font-weight:500;font-size:.93rem}
.nav a:hover{background:var(--surface-2);color:var(--ink);text-decoration:none}
.nav a.active{background:var(--garnet-wash);color:var(--garnet-deep)}
.nav a.active svg{color:var(--garnet)}
.nav svg{width:18px;height:18px;flex:none;color:var(--faint)}
.nav .group{font-size:.72rem;letter-spacing:.04em;color:var(--faint);padding:.9rem .7rem .3rem;font-weight:600}
.rail-foot{border-top:1px solid var(--line);padding:.8rem}
.who{display:flex;align-items:center;gap:.6rem;min-width:0}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line);display:grid;place-items:center;font-weight:600;color:var(--slate);flex:none;font-size:.82rem}
.who .meta{min-width:0}
.who .nm{font-weight:600;font-size:.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who .rl{font-size:.76rem;color:var(--faint)}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 1.6rem;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:saturate(1.2) blur(6px);position:sticky;top:0;z-index:5}
.topbar h1{font-size:1.05rem;font-weight:600}
.topbar-left{display:flex;align-items:center;gap:.7rem;min-width:0}
.topbar-left h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* Mobile nav drawer: hidden/no-op on desktop */
.nav-toggle{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.nav-burger{display:none}
.nav-backdrop{display:none}
.content{padding:1.6rem;max-width:1100px;width:100%}

/* --- Pieces ----------------------------------------------------------- */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.panel .bd{padding:1.15rem 1.25rem}
.panel .hd{padding:.9rem 1.25rem;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:1rem}
.panel .hd h2{font-size:.98rem}
.stack{display:flex;flex-direction:column;gap:1rem}
.cols{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}

.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--garnet);color:var(--garnet-ink);border:1px solid var(--garnet);border-radius:var(--radius);padding:.6rem .95rem;font:inherit;font-weight:600;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--garnet-deep);text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.block{width:100%;justify-content:center;padding:.7rem}

.tag{display:inline-flex;align-items:center;gap:.35rem;padding:.12rem .5rem;border-radius:999px;font-size:.76rem;font-weight:600;background:var(--surface-2);color:var(--slate);border:1px solid var(--line)}
.tag.garnet{background:var(--garnet-wash);color:var(--garnet-deep);border-color:transparent}
.tag.ok{background:var(--ok-wash);color:var(--ok);border-color:transparent}
.tag.warn{background:var(--warn-wash);color:var(--warn);border-color:transparent}
.tag.danger{background:var(--danger-wash);color:var(--danger);border-color:transparent}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block}

.muted{color:var(--slate)}
.faint{color:var(--faint)}
.lead{font-size:1.02rem;color:var(--slate)}

table{width:100%;border-collapse:collapse}
thead th{text-align:left;font-size:.76rem;font-weight:600;color:var(--faint);letter-spacing:.02em;padding:.5rem .75rem;border-bottom:1px solid var(--line)}
tbody td{padding:.7rem .75rem;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}

.kpi{display:flex;flex-direction:column;gap:.15rem}
.kpi .n{font-family:'Fraunces',serif;font-size:1.9rem;font-weight:600;line-height:1}
.kpi .l{font-size:.84rem;color:var(--slate)}

.alert{padding:.7rem .9rem;border-radius:var(--radius);font-size:.9rem;margin-bottom:1rem;border:1px solid}
.alert.err{background:var(--danger-wash);color:var(--danger);border-color:color-mix(in srgb,var(--danger) 30%,transparent)}
.alert.note{background:var(--garnet-wash);color:var(--garnet-deep);border-color:transparent}

.empty{text-align:center;padding:2.4rem 1rem;color:var(--slate)}
.empty .big{font-family:'Fraunces',serif;font-size:1.1rem;color:var(--ink);margin-bottom:.3rem}

hr.sep{border:0;border-top:1px solid var(--line);margin:1.1rem 0}

/* --- Login (the one composed moment) ---------------------------------- */
.auth{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}
.auth-brand{background:var(--garnet);color:var(--garnet-ink);padding:3rem;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth-brand .mk{font-family:'Fraunces',serif;font-size:2.4rem;font-weight:600;line-height:1.05;max-width:11ch}
.auth-brand .sub{opacity:.85;max-width:34ch;margin-top:1rem}
.auth-brand .foot{font-size:.82rem;opacity:.75}
.auth-brand .ring{position:absolute;right:-120px;top:-80px;width:360px;height:360px;border-radius:50%;border:1px solid rgba(255,255,255,.18)}
.auth-brand .ring.two{right:-60px;top:40px;width:240px;height:240px;border-color:rgba(255,255,255,.12)}
.auth-form{display:flex;align-items:center;justify-content:center;padding:2rem}
.auth-card{width:100%;max-width:380px}
.auth-card h1{font-family:'Fraunces',serif;font-size:1.6rem;margin-bottom:.4rem}
.gbtn{display:flex;align-items:center;justify-content:center;gap:.65rem;width:100%;padding:.75rem;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;cursor:pointer}
.gbtn:hover{background:var(--surface-2);text-decoration:none}

@media (max-width:860px){
  :root{--rail:0px}
  .shell{grid-template-columns:1fr}
  /* Off-canvas drawer, opened by the hamburger (checkbox hack, no JS) */
  .rail{display:flex;position:fixed;left:0;top:0;height:100vh;width:min(84vw,320px);
        transform:translateX(-100%);transition:transform .25s ease;z-index:60;
        box-shadow:0 0 40px rgba(0,0,0,.25)}
  .nav-toggle:checked ~ .rail{transform:translateX(0)}
  .nav-toggle:checked ~ .nav-backdrop{display:block;position:fixed;inset:0;z-index:55;
        background:rgba(0,0,0,.45)}
  .nav-burger{display:inline-flex;align-items:center;justify-content:center;
        width:40px;height:40px;margin-left:-.4rem;border-radius:10px;cursor:pointer;color:var(--ink)}
  .nav-burger:hover,.nav-burger:focus{background:var(--surface-2);outline:none}
  .nav-burger svg{width:24px;height:24px}
  .auth{grid-template-columns:1fr}
  .auth-brand{display:none}
  .content{padding:1.1rem}
}

/* --- Knowledge / chat additions -------------------------------------- */
.btn.sm{padding:.32rem .6rem;font-size:.82rem;border-radius:8px}
.prose{line-height:1.6;color:var(--ink)}
.prose h1{font-size:1.5rem;margin:.2rem 0 .7rem}
.prose h2{font-size:1.2rem;margin:1.1rem 0 .5rem}
.prose h3{font-size:1.02rem;margin:1rem 0 .4rem}
.prose p{margin:.5rem 0}
.prose ul,.prose ol{margin:.5rem 0 .5rem 1.4rem}
.prose code{background:var(--surface-2);padding:.1rem .35rem;border-radius:5px;font-size:.88em}
.prose pre{background:var(--surface-2);padding:.8rem;border-radius:8px;overflow:auto}
.prose a{color:var(--garnet)}
.prose blockquote{border-left:3px solid var(--line-strong);margin:.6rem 0;padding:.2rem .9rem;color:var(--muted)}
.msg{padding:.55rem .7rem;border-radius:10px;margin:.5rem 0;background:var(--surface-2)}
.msg.user{background:var(--surface-2)}
.msg.assistant{background:transparent;border:1px solid var(--line)}
.msg .role{font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}
.msg .body{margin-top:.2rem;white-space:pre-wrap}

/* --- Admin inline controls ------------------------------------------- */
.linkx{background:none;border:0;color:var(--muted);cursor:pointer;font-weight:700;padding:0 .1rem;font:inherit}
.linkx:hover{color:var(--danger,#b4232a)}