/* AcademyOS design system — light, calm, mobile-first */
:root{
  --brand:#5B4BDB; --brand-ink:#fff; --brand-soft:color-mix(in srgb,var(--brand) 12%,#fff);
  --ink:#141726; --ink-2:#3d4257; --muted:#6b7089; --line:#e6e7ef; --line-2:#f0f1f6;
  --bg:#f6f7fb; --card:#fff; --ok:#13855c; --ok-soft:#e3f6ee; --warn:#b26b00; --warn-soft:#fff3dc;
  --bad:#c42b3b; --bad-soft:#fde8ea; --info:#2563eb; --info-soft:#e6efff;
  --r:12px; --r-sm:8px; --shadow:0 1px 2px rgba(20,23,38,.05),0 4px 16px rgba(20,23,38,.05);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5rem;letter-spacing:-.01em}
h1{font-size:1.6rem} h2{font-size:1.25rem} h3{font-size:1.05rem}
p{margin:0 0 .75rem}
small,.muted{color:var(--muted)}
.hidden{display:none!important}
code{background:var(--line-2);padding:.1rem .35rem;border-radius:6px;font-size:.88em}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:.55rem .95rem;border-radius:var(--r-sm);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap;transition:.15s}
.btn:hover{border-color:#cfd1de;text-decoration:none;background:#fafafe}
.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{background:color-mix(in srgb,var(--brand) 88%,#000);border-color:transparent}
.btn-danger{color:var(--bad);border-color:#f3c5cb}
.btn-danger:hover{background:var(--bad-soft)}
.btn-ghost{background:transparent;border-color:transparent}
.btn-sm{padding:.3rem .6rem;font-size:.85rem}
.btn-lg{padding:.8rem 1.4rem;font-size:1.05rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
.inline{display:inline}

/* forms */
label{display:block;font-weight:600;font-size:.88rem;margin:0 0 .3rem;color:var(--ink-2)}
.field{margin-bottom:1rem}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],input[type=tel],input[type=url],input[type=search],select,textarea{
  width:100%;padding:.6rem .75rem;border:1px solid var(--line);border-radius:var(--r-sm);font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--brand) 35%,transparent);border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}
input[type=color]{width:52px;height:38px;border:1px solid var(--line);border-radius:8px;padding:2px;background:#fff}
.check{display:flex;align-items:center;gap:.5rem;font-weight:500}
.check input{width:auto}
.help{font-size:.82rem;color:var(--muted);margin-top:.25rem}
.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:820px){.g2,.g3,.g4{grid-template-columns:1fr}}
@media(min-width:821px) and (max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
.days{display:flex;flex-wrap:wrap;gap:.4rem}
.days label{display:flex;align-items:center;gap:.3rem;border:1px solid var(--line);padding:.35rem .6rem;border-radius:999px;font-weight:500;margin:0;cursor:pointer;background:#fff}
.days input{width:auto}

/* cards / layout */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.25rem;box-shadow:var(--shadow)}
.card + .card{margin-top:1rem}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1rem;flex-wrap:wrap}
.card-head h2,.card-head h3{margin:0}
.stack>*+*{margin-top:1rem}
.row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.right{margin-left:auto}
.mt{margin-top:1rem}.mt2{margin-top:2rem}.mb{margin-bottom:1rem}

/* tables */
.table-wrap{overflow-x:auto;margin:0 -1.25rem;padding:0 1.25rem}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th{text-align:left;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;padding:.6rem .5rem;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:.65rem .5rem;border-bottom:1px solid var(--line-2);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.empty{text-align:center;color:var(--muted);padding:2rem 1rem}
.empty .big{font-size:2rem;display:block;margin-bottom:.4rem}

/* badges */
.badge{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.76rem;font-weight:600;background:var(--line-2);color:var(--ink-2);white-space:nowrap}
.b-ok,.b-paid,.b-present,.b-active,.b-verified,.b-converted,.b-confirmed,.b-completed{background:var(--ok-soft);color:var(--ok)}
.b-warn,.b-due,.b-partial,.b-late,.b-pending,.b-trial,.b-trialing,.b-paused,.b-contacted{background:var(--warn-soft);color:var(--warn)}
.b-bad,.b-overdue,.b-absent,.b-failed,.b-lost,.b-cancelled,.b-canceled,.b-left,.b-rejected,.b-past_due,.b-suspended{background:var(--bad-soft);color:var(--bad)}
.b-info,.b-new,.b-excused,.b-scheduled,.b-online,.b-lifetime,.b-live{background:var(--info-soft);color:var(--info)}

/* alerts / flash */
.flash{padding:.75rem 1rem;border-radius:var(--r-sm);margin-bottom:1rem;border:1px solid}
.flash-ok{background:var(--ok-soft);border-color:#b8e6d2;color:#0d5e41}
.flash-error{background:var(--bad-soft);border-color:#f5c2c8;color:#8e1d2a}
.flash-info{background:var(--info-soft);border-color:#c6d8ff;color:#1d4bb0}
.banner{background:linear-gradient(90deg,var(--brand),color-mix(in srgb,var(--brand) 70%,#ff7a59));color:#fff;padding:.6rem 1rem;text-align:center;font-size:.9rem}
.banner a{color:#fff;text-decoration:underline;font-weight:700}

/* avatar */
.avatar{width:36px;height:36px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;object-fit:cover;flex:none;overflow:hidden}
.avatar.lg{width:72px;height:72px;font-size:1.3rem}
.avatar.sm{width:28px;height:28px;font-size:.7rem}
.who{display:flex;align-items:center;gap:.6rem}
.who b{display:block;line-height:1.2}
.who small{display:block}

/* ==== app shell ==== */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{background:#fff;border-right:1px solid var(--line);padding:1rem .75rem;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .brand{display:flex;align-items:center;gap:.6rem;padding:.25rem .5rem 1rem;font-weight:800;color:var(--ink)}
.side .brand img,.side .brand .logo-dot{width:34px;height:34px;border-radius:9px;object-fit:cover}
.logo-dot{background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800}
.side .brand span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav a{display:flex;align-items:center;gap:.65rem;padding:.5rem .65rem;border-radius:8px;color:var(--ink-2);font-weight:500;font-size:.93rem}
.nav a:hover{background:var(--line-2);text-decoration:none}
.nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:700}
.nav .ico{width:20px;text-align:center;opacity:.85}
.nav .sec{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:.9rem .65rem .3rem}
.nav .lock{margin-left:auto;font-size:.7rem;opacity:.7}
.main{min-width:0}
.top{display:flex;align-items:center;gap:1rem;padding:.75rem 1.5rem;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top .menu-btn{display:none}
.top .title{font-weight:700}
.top .right{display:flex;align-items:center;gap:.75rem}
.bell{position:relative;font-size:1.15rem;color:var(--ink-2)}
.bell .dot{position:absolute;top:-6px;right:-8px;background:var(--bad);color:#fff;border-radius:999px;font-size:.65rem;padding:0 .35rem;font-weight:700}
.content{padding:1.5rem;max-width:1240px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.25rem;flex-wrap:wrap}
.page-head h1{margin:0}
.page-head p{margin:.2rem 0 0;color:var(--muted)}
.tabs{display:flex;gap:.25rem;border-bottom:1px solid var(--line);margin-bottom:1.25rem;overflow-x:auto}
.tabs a{padding:.6rem .9rem;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;white-space:nowrap}
.tabs a.on{color:var(--brand);border-color:var(--brand)}
.tabs a:hover{text-decoration:none;color:var(--ink)}
@media(max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:270px;z-index:50;transform:translateX(-100%);transition:transform .2s;box-shadow:0 0 40px rgba(0,0,0,.15)}
  .side.open{transform:none}
  .top .menu-btn{display:inline-flex}
  .content{padding:1rem}
  .top{padding:.6rem 1rem}
}
.scrim{display:none;position:fixed;inset:0;background:rgba(10,12,25,.35);z-index:40}
.scrim.on{display:block}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1rem}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.1rem;box-shadow:var(--shadow)}
.stat .k{font-size:.8rem;color:var(--muted);font-weight:600}
.stat .v{font-size:1.6rem;font-weight:800;margin-top:.2rem;font-variant-numeric:tabular-nums}
.stat .s{font-size:.8rem;color:var(--muted)}
.bar{height:8px;background:var(--line-2);border-radius:99px;overflow:hidden}
.bar>span{display:block;height:100%;background:var(--brand);border-radius:99px}

/* checklist */
.checklist{list-style:none;margin:0;padding:0}
.checklist li{display:flex;align-items:center;gap:.7rem;padding:.55rem 0;border-bottom:1px solid var(--line-2)}
.checklist li:last-child{border:0}
.checklist .tick{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:.75rem;flex:none}
.checklist li.done .tick{background:var(--ok);border-color:var(--ok);color:#fff}
.checklist li.done a{color:var(--muted);text-decoration:line-through}

/* chart */
.chart{display:flex;align-items:flex-end;gap:6px;height:160px;padding-top:10px}
.chart .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}
.chart .colbar{width:100%;max-width:38px;background:var(--brand);border-radius:6px 6px 2px 2px;min-height:2px}
.chart .lbl{font-size:.7rem;color:var(--muted)}
.chart .val{font-size:.68rem;color:var(--ink-2);font-weight:600}

/* calendar */
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.cal .dh{background:var(--line-2);font-size:.75rem;font-weight:700;color:var(--muted);padding:.4rem;text-align:center;text-transform:uppercase}
.cal .day{min-height:112px;border-top:1px solid var(--line);border-left:1px solid var(--line);padding:.35rem;font-size:.78rem;overflow:hidden}
.cal .day:nth-child(7n+1){border-left:0}
.cal .day.other{background:#fafbfd;color:#b0b3c4}
.cal .day.today{background:var(--brand-soft)}
.cal .dn{font-weight:700;font-size:.8rem;margin-bottom:.2rem;display:block}
.cal .ev{display:block;padding:.1rem .35rem;border-radius:5px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#fff;background:var(--brand);font-size:.72rem}
.cal .ev:hover{text-decoration:none;filter:brightness(.95)}
.cal .ev.cancelled{background:#c9cbd6;text-decoration:line-through}
.cal .ev.holiday{background:var(--bad)}
.cal .ev.event{background:#0f766e}
.cal .ev.exam{background:#b45309}
.cal .ev.meeting{background:#7c3aed}
.cal .more{font-size:.7rem;color:var(--muted)}
@media(max-width:700px){.cal .day{min-height:64px}.cal .ev{font-size:0;height:6px;padding:0}}
.agenda .item{display:flex;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line-2);align-items:center}
.agenda .when{width:92px;flex:none;font-weight:700;font-size:.85rem}
.swatch{width:10px;height:10px;border-radius:3px;display:inline-block}

/* auth pages */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:2rem 1rem;background:radial-gradient(circle at 20% 0%,var(--brand-soft),transparent 50%),var(--bg)}
.auth-card{width:100%;max-width:440px}
.auth-card .logo{display:flex;align-items:center;gap:.6rem;justify-content:center;font-weight:800;font-size:1.2rem;margin-bottom:1.25rem;color:var(--ink)}

/* misc */
.kv{display:grid;grid-template-columns:140px 1fr;gap:.4rem 1rem;font-size:.93rem}
.kv dt{color:var(--muted)} .kv dd{margin:0}
details.box{border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:.9rem 1.1rem}
details.box summary{cursor:pointer;font-weight:700}
.pill-nav{display:flex;gap:.4rem;flex-wrap:wrap}
.pill-nav a{padding:.35rem .8rem;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:.85rem;font-weight:600}
.pill-nav a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.pill-nav a:hover{text-decoration:none}
.qr svg{width:200px;height:200px}
.att-grid label{display:inline-flex;align-items:center;gap:.25rem;margin:0 .4rem 0 0;font-weight:500;font-size:.85rem}
.att-grid input{width:auto}
.print-only{display:none}
@media print{.side,.top,.no-print,.banner{display:none!important}.shell{display:block}.content{padding:0}.card{box-shadow:none;border:0}.print-only{display:block}body{background:#fff}}
.footer-ver{font-size:.75rem;color:var(--muted);padding:1rem 1.5rem}
/* responsive tables → stacked rows on phones */
@media(max-width:640px){
  .rtable tr:first-child{display:none}
  .rtable tr{display:block;padding:.7rem 0;border-bottom:1px solid var(--line-2)}
  .rtable tr:last-child{border:0}
  .rtable td{display:inline-block;border:0;padding:.1rem .5rem .1rem 0;text-align:left}
  .rtable td:first-child{display:block}
  .rtable td.num{display:block;text-align:left;padding-top:.4rem}
}
/* iOS zooms into inputs smaller than 16px — keep them at 16px on phones */
@media(max-width:820px){input,select,textarea{font-size:16px!important}}