/* ============================================================
   Alexandre — Teacher Management System
   Design system: premium SaaS (Notion / Linear inspired)
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#f6f6f4; --surface:#ffffff; --surface-2:#fbfbfa; --surface-3:#f1f1ef;
  --border:#e7e7e3; --border-strong:#d8d8d2;
  --text:#1c1c1a; --text-2:#5c5c56; --text-3:#8b8b83;
  --accent:#4b48d6; --accent-soft:#eeedfd; --accent-text:#3b38b8;
  --green:#0f8a4a; --green-soft:#e6f5ec;
  --amber:#a86400; --amber-soft:#fdf2e0;
  --red:#c0392f; --red-soft:#fdecea;
  --blue:#1d5fd0; --blue-soft:#e8f0fd;
  --purple:#7a3fbf; --purple-soft:#f3ebfc;
  --shadow-1:0 1px 2px rgba(16,16,14,.05),0 1px 3px rgba(16,16,14,.04);
  --shadow-2:0 2px 4px rgba(16,16,14,.04),0 8px 24px rgba(16,16,14,.07);
  --shadow-3:0 12px 40px rgba(16,16,14,.14),0 2px 8px rgba(16,16,14,.06);
  --r-sm:6px; --r:10px; --r-lg:14px; --r-xl:20px;
  --sidebar:248px;
  --ff:"Plus Jakarta Sans","Segoe UI Variable",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,sans-serif;
  --ff-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
[data-theme="dark"]{
  --bg:#151516; --surface:#1d1d1f; --surface-2:#232325; --surface-3:#2b2b2e;
  --border:#2e2e31; --border-strong:#3d3d41;
  --text:#f0f0ee; --text-2:#a9a9a3; --text-3:#787872;
  --accent:#8583f0; --accent-soft:#25244a; --accent-text:#a9a7ff;
  --green:#4ec27f; --green-soft:#12301f;
  --amber:#e0a44a; --amber-soft:#332413;
  --red:#f0776a; --red-soft:#351916;
  --blue:#6fa2f5; --blue-soft:#14243d;
  --purple:#b485e8; --purple-soft:#271a38;
  --shadow-1:0 1px 2px rgba(0,0,0,.3);
  --shadow-2:0 2px 4px rgba(0,0,0,.25),0 8px 24px rgba(0,0,0,.35);
  --shadow-3:0 12px 40px rgba(0,0,0,.5);
}
html,body{margin:0;padding:0;max-width:100%;overflow-x:hidden}
body{
  font-family:var(--ff);background:var(--bg);color:var(--text);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
a{color:var(--accent-text);text-decoration:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-track{background:transparent}
.hidden{display:none!important}
.mono{font-family:var(--ff-mono);font-variant-numeric:tabular-nums}

/* ============================ AUTH ============================ */
#auth{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.auth-art{
  position:relative;overflow:hidden;padding:56px;display:flex;flex-direction:column;justify-content:space-between;
  background:
    radial-gradient(120% 90% at 12% 8%, #3b38b8 0%, rgba(59,56,184,0) 55%),
    radial-gradient(100% 80% at 92% 96%, #1b7f6b 0%, rgba(27,127,107,0) 60%),
    #17161f;
  color:#fff;
}
.auth-art::after{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);
}
.auth-art>*{position:relative;z-index:2}
.auth-brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.2px}
.auth-mark{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);display:grid;place-items:center;font-size:17px}
.auth-art h1{font-size:44px;line-height:1.08;font-weight:800;letter-spacing:-1.4px;margin-bottom:14px}
.auth-art p.lead{font-size:16.5px;color:rgba(255,255,255,.78);max-width:34ch}
.auth-feats{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.auth-feats span{font-size:12.5px;padding:6px 11px;border-radius:99px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.auth-foot{font-size:12.5px;color:rgba(255,255,255,.55)}
.auth-panel{display:flex;align-items:center;justify-content:center;padding:40px 24px;background:var(--surface)}
.auth-box{width:100%;max-width:376px}
.auth-tabs{display:flex;gap:4px;padding:4px;background:var(--surface-3);border-radius:var(--r);margin-bottom:26px}
.auth-tabs button{flex:1;padding:9px;border-radius:7px;font-size:13px;font-weight:600;color:var(--text-2)}
.auth-tabs button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-1)}
.auth-box h2{font-size:23px;font-weight:800;letter-spacing:-.6px}
.auth-box .sub{color:var(--text-2);margin:6px 0 24px;font-size:13.5px}
.auth-hint{margin-top:20px;padding:12px 14px;border-radius:var(--r);background:var(--amber-soft);color:var(--amber);font-size:12.5px;line-height:1.55}
.auth-err{margin-top:14px;padding:10px 13px;border-radius:var(--r);background:var(--red-soft);color:var(--red);font-size:13px;font-weight:600}
.code-input{text-align:center;letter-spacing:7px;font-family:var(--ff-mono);font-size:20px;text-transform:uppercase;font-weight:700}
@media(max-width:900px){#auth{grid-template-columns:1fr}.auth-art{display:none}.auth-panel{min-height:100vh}}

/* ============================ SHELL ============================ */
#shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.sidebar{
  background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:40;
}
.sb-head{padding:18px 16px 14px;display:flex;align-items:center;gap:11px}
.sb-logo{width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;flex:none;overflow:hidden}
.sb-logo img{width:100%;height:100%;object-fit:cover}
.sb-name{font-weight:750;font-size:13.5px;letter-spacing:-.2px;line-height:1.25}
.sb-role{font-size:11.5px;color:var(--text-3)}
.sb-nav{flex:1;overflow-y:auto;padding:6px 10px 10px}
.sb-sec{font-size:10.5px;font-weight:700;letter-spacing:.9px;text-transform:uppercase;color:var(--text-3);padding:14px 8px 6px}
.nav-item{
  width:100%;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;
  font-size:13.5px;font-weight:550;color:var(--text-2);margin-bottom:2px;text-align:left;transition:background .13s,color .13s;
}
.nav-item:hover{background:var(--surface-3);color:var(--text)}
.nav-item.on{background:var(--accent-soft);color:var(--accent-text);font-weight:650}
.nav-item .ic{width:19px;text-align:center;font-size:14.5px;flex:none}
.nav-item .badge{margin-left:auto;background:var(--red);color:#fff;font-size:10.5px;font-weight:700;padding:1px 6px;border-radius:99px}
.sb-foot{padding:10px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:2px}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{
  position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--border);
  padding:12px 26px;display:flex;align-items:center;gap:14px;
}
.hamb{display:none;width:36px;height:36px;border-radius:9px;border:1px solid var(--border);background:var(--surface);font-size:16px}
.search-wrap{position:relative;flex:1;max-width:440px}
.search-wrap .si{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:13px}
#globalSearch{
  width:100%;padding:9px 12px 9px 34px;border:1px solid var(--border);border-radius:9px;
  background:var(--surface);outline:none;font-size:13.5px;transition:border-color .15s,box-shadow .15s;
}
#globalSearch:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.search-res{
  position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r);box-shadow:var(--shadow-3);max-height:60vh;overflow-y:auto;z-index:60;padding:6px;
}
.sr-group{font-size:10.5px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--text-3);padding:9px 9px 5px}
.sr-item{width:100%;text-align:left;padding:8px 9px;border-radius:7px;display:flex;gap:10px;align-items:center}
.sr-item:hover{background:var(--surface-3)}
.sr-item .t{font-weight:600;font-size:13.5px}
.sr-item .d{font-size:12px;color:var(--text-3)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:36px;height:36px;border-radius:9px;border:1px solid var(--border);background:var(--surface);display:grid;place-items:center;font-size:15px;position:relative;transition:background .13s}
.icon-btn:hover{background:var(--surface-3)}
.icon-btn .dot{position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:99px;background:var(--red);border:1.5px solid var(--surface)}
.avatar{width:36px;height:36px;border-radius:99px;background:var(--accent-soft);color:var(--accent-text);display:grid;place-items:center;font-weight:700;font-size:13px;overflow:hidden;flex:none}
.avatar img{width:100%;height:100%;object-fit:cover}
.content{padding:26px;max-width:1560px;width:100%;margin:0 auto;flex:1}

.dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-3);width:344px;z-index:70;overflow:hidden}
.dd-head{padding:13px 15px;border-bottom:1px solid var(--border);font-weight:700;font-size:13.5px;display:flex;align-items:center}
.dd-body{max-height:60vh;overflow-y:auto}
.dd-item{padding:12px 15px;border-bottom:1px solid var(--border);display:flex;gap:11px;font-size:13px;line-height:1.45}
.dd-item:last-child{border-bottom:0}
.dd-item .em{font-size:15px;flex:none;line-height:1.2}
.dd-menu{width:216px;padding:6px}
.dd-menu button{width:100%;text-align:left;padding:8px 10px;border-radius:7px;font-size:13.5px;display:flex;gap:9px;align-items:center}
.dd-menu button:hover{background:var(--surface-3)}

@media(max-width:1000px){
  #shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;width:270px;transform:translateX(-100%);transition:transform .22s ease;box-shadow:var(--shadow-3)}
  .sidebar.open{transform:none}
  .hamb{display:grid;place-items:center}
  .topbar{padding:10px 14px}
  .content{padding:16px 14px 96px}
  .scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:39}
}

/* ============================ PRIMITIVES ============================ */
.page-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-size:25px;font-weight:800;letter-spacing:-.7px}
.page-head .ph-sub{color:var(--text-2);font-size:13.5px;margin-top:3px}
.page-head .ph-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 15px;border-radius:9px;
  font-size:13.5px;font-weight:650;border:1px solid var(--border);background:var(--surface);color:var(--text);
  transition:background .13s,box-shadow .13s,transform .08s;white-space:nowrap;
}
.btn:hover{background:var(--surface-3)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:color-mix(in srgb,var(--accent) 88%,#000)}
.btn-danger{background:var(--red-soft);border-color:transparent;color:var(--red)}
.btn-danger:hover{background:color-mix(in srgb,var(--red-soft) 80%,var(--red))}
.btn-ghost{border-color:transparent;background:transparent;color:var(--text-2)}
.btn-ghost:hover{background:var(--surface-3);color:var(--text)}
.btn-sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn-lg{padding:12px 18px;font-size:14.5px;border-radius:10px}
.btn-full{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-1);min-width:0;max-width:100%}
.card-pad{padding:18px}
.card-head{padding:15px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}
.card-head h3{font-size:14.5px;font-weight:700;letter-spacing:-.2px}
.card-head .chs{font-size:12.5px;color:var(--text-3);margin-top:2px}
.card-head .cha{margin-left:auto;display:flex;gap:6px;align-items:center}
.grid{display:grid;gap:16px;min-width:0}
.grid>*{min-width:0}
.main,.content{min-width:0;max-width:100%}
.stat{min-width:0}
svg.chart{max-width:100%}
.card-pad,.card-head{min-width:0}
.page-head{min-width:0;max-width:100%}
.page-head h1{overflow-wrap:anywhere}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-6{grid-template-columns:repeat(6,minmax(0,1fr))}
.g-main{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr)}
@media(max-width:1240px){.g-6{grid-template-columns:repeat(3,minmax(0,1fr))}.g-4{grid-template-columns:repeat(2,minmax(0,1fr))}.g-main{grid-template-columns:1fr}}
@media(max-width:760px){.g-2,.g-3,.g-4,.g-6{grid-template-columns:1fr}}

.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:16px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;transition:box-shadow .16s,transform .16s}
.stat:hover{box-shadow:var(--shadow-2);transform:translateY(-1px)}
.stat .si{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;font-size:15px;margin-bottom:11px}
.stat .sl{font-size:11px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--text-3)}
.stat .sv{font-size:26px;font-weight:800;letter-spacing:-1px;margin-top:3px;line-height:1.12}
.stat .sd{font-size:12px;color:var(--text-2);margin-top:5px}

.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:99px;font-size:11.5px;font-weight:700;letter-spacing:.1px;white-space:nowrap}
.b-green{background:var(--green-soft);color:var(--green)}
.b-amber{background:var(--amber-soft);color:var(--amber)}
.b-red{background:var(--red-soft);color:var(--red)}
.b-blue{background:var(--blue-soft);color:var(--blue)}
.b-purple{background:var(--purple-soft);color:var(--purple)}
.b-gray{background:var(--surface-3);color:var(--text-2)}
.b-accent{background:var(--accent-soft);color:var(--accent-text)}
.lvl{font-family:var(--ff-mono);font-weight:700;font-size:11.5px;padding:3px 8px;border-radius:6px;background:var(--accent-soft);color:var(--accent-text)}

table.tbl{width:100%;border-collapse:collapse}
table.tbl th{
  text-align:left;font-size:11px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--text-3);
  padding:11px 14px;border-bottom:1px solid var(--border);white-space:nowrap;background:var(--surface-2);
}
table.tbl td{padding:12px 14px;border-bottom:1px solid var(--border);font-size:13.5px;vertical-align:middle}
table.tbl tbody tr:last-child td{border-bottom:0}
table.tbl tbody tr{transition:background .12s}
table.tbl tbody tr:hover{background:var(--surface-2)}
.tbl-wrap{overflow-x:auto;border-radius:0 0 var(--r-lg) var(--r-lg)}
.tbl-clickable tbody tr{cursor:pointer}
.cell-student{display:flex;align-items:center;gap:10px;min-width:170px}
.cell-student .n{font-weight:650}
.cell-student .e{font-size:12px;color:var(--text-3)}

.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{padding:6px 12px;border-radius:99px;border:1px solid var(--border);background:var(--surface);font-size:12.5px;font-weight:600;color:var(--text-2);transition:all .13s}
.chip:hover{border-color:var(--border-strong);color:var(--text)}
.chip.on{background:var(--text);border-color:var(--text);color:var(--surface)}

.tabs{display:flex;gap:22px;border-bottom:1px solid var(--border);margin-bottom:20px;overflow-x:auto}
.tab{padding:11px 1px;font-size:13.5px;font-weight:650;color:var(--text-3);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.on{color:var(--text);border-bottom-color:var(--accent)}

.empty{padding:52px 20px;text-align:center;color:var(--text-3)}
.empty .e-ic{font-size:34px;margin-bottom:12px;opacity:.55}
.empty .e-t{font-weight:700;color:var(--text-2);font-size:14.5px;margin-bottom:5px}
.empty .e-d{font-size:13px;max-width:46ch;margin:0 auto 16px}

.field{margin-bottom:15px}
.field label{display:block;font-size:12.5px;font-weight:650;color:var(--text-2);margin-bottom:6px}
.field .req{color:var(--red)}
.field .hint{font-size:11.5px;color:var(--text-3);margin-top:5px}
.inp,select.inp,textarea.inp{
  width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:9px;background:var(--surface);
  outline:none;transition:border-color .14s,box-shadow .14s;font-size:13.5px;
}
.inp:focus,select.inp:focus,textarea.inp:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea.inp{resize:vertical;min-height:78px;line-height:1.55}
select.inp{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4.5l4 4 4-4' stroke='%238b8b83' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");background-repeat:no-repeat;background-position:right 11px center;padding-right:30px}
.form-row{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.form-row-3{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:640px){.form-row,.form-row-3{grid-template-columns:1fr}}
.fs-title{font-size:11px;font-weight:700;letter-spacing:.9px;text-transform:uppercase;color:var(--text-3);margin:22px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.fs-title:first-child{margin-top:0}
.opt-grid{display:flex;gap:8px;flex-wrap:wrap}
.opt{padding:9px 14px;border:1px solid var(--border);border-radius:9px;font-size:13px;font-weight:600;color:var(--text-2);background:var(--surface);transition:all .13s}
.opt:hover{border-color:var(--border-strong)}
.opt.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent-text)}
.opt.on-green{border-color:var(--green);background:var(--green-soft);color:var(--green)}
.opt.on-red{border-color:var(--red);background:var(--red-soft);color:var(--red)}
.opt.on-amber{border-color:var(--amber);background:var(--amber-soft);color:var(--amber)}
.opt.on-blue{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}
.stars{display:flex;gap:5px}
.star{font-size:25px;line-height:1;color:var(--border-strong);transition:transform .1s,color .1s}
.star.on{color:#e8a020}
.star:hover{transform:scale(1.14)}
.switch{width:42px;height:24px;border-radius:99px;background:var(--border-strong);position:relative;transition:background .16s;flex:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:99px;background:#fff;transition:transform .16s;box-shadow:var(--shadow-1)}
.switch.on{background:var(--accent)}
.switch.on::after{transform:translateX(18px)}
.switch-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--border)}
.switch-row:last-child{border-bottom:0}
.switch-row .sw-t{font-size:13.5px;font-weight:600}
.switch-row .sw-d{font-size:12px;color:var(--text-3)}
.switch-row .sw-x{margin-left:auto}
.photo-pick{display:flex;align-items:center;gap:14px}
.photo-prev{width:64px;height:64px;border-radius:14px;background:var(--surface-3);display:grid;place-items:center;font-size:22px;color:var(--text-3);overflow:hidden;flex:none;border:1px solid var(--border)}
.photo-prev img{width:100%;height:100%;object-fit:cover}

/* ============================ MODAL ============================ */
.modal-scrim{position:fixed;inset:0;background:rgba(20,20,18,.5);backdrop-filter:blur(3px);z-index:100;display:flex;align-items:flex-start;justify-content:center;padding:32px 16px;overflow-y:auto;animation:fade .16s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}
.modal{background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--shadow-3);width:100%;max-width:600px;animation:pop .19s cubic-bezier(.2,.8,.3,1);overflow:hidden;margin:auto 0}
.modal.wide{max-width:880px}
.modal.slim{max-width:440px}
.modal-head{padding:19px 22px;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;gap:14px;position:sticky;top:0;background:var(--surface);z-index:2}
.modal-head h3{font-size:17px;font-weight:750;letter-spacing:-.3px}
.modal-head .mh-sub{font-size:12.5px;color:var(--text-3);margin-top:3px}
.modal-head .x{margin-left:auto;width:32px;height:32px;border-radius:8px;display:grid;place-items:center;color:var(--text-3);font-size:16px;flex:none}
.modal-head .x:hover{background:var(--surface-3);color:var(--text)}
.modal-body{padding:22px}
.modal-foot{padding:15px 22px;border-top:1px solid var(--border);display:flex;gap:9px;justify-content:flex-end;background:var(--surface-2);flex-wrap:wrap}
.modal-foot .left{margin-right:auto}
@media(max-width:640px){.modal-scrim{padding:0}.modal{border-radius:0;min-height:100vh}}

.toasts{position:fixed;bottom:22px;right:22px;z-index:200;display:flex;flex-direction:column;gap:10px;max-width:370px}
.toast{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--r);box-shadow:var(--shadow-3);padding:13px 15px;display:flex;gap:11px;animation:slidein .22s cubic-bezier(.2,.8,.3,1)}
.toast.ok{border-left-color:var(--green)}.toast.warn{border-left-color:var(--amber)}.toast.err{border-left-color:var(--red)}
.toast .tt{font-weight:700;font-size:13.5px}
.toast .td{font-size:12.5px;color:var(--text-2);margin-top:2px;line-height:1.45}
@keyframes slidein{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}
@media(max-width:640px){.toasts{left:12px;right:12px;bottom:82px;max-width:none}}

/* ============================ CHARTS / PROGRESS ============================ */
.bar-track{height:7px;border-radius:99px;background:var(--surface-3);overflow:hidden}
.bar-fill{height:100%;border-radius:99px;background:var(--accent);transition:width .5s cubic-bezier(.2,.8,.3,1)}
.cefr{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.cefr-step{display:flex;align-items:center;gap:0}
.cefr-node{
  min-width:44px;padding:7px 0;text-align:center;border-radius:8px;font-family:var(--ff-mono);font-size:12px;font-weight:700;
  background:var(--surface-3);color:var(--text-3);border:1px solid var(--border);
}
.cefr-node.done{background:var(--accent-soft);color:var(--accent-text);border-color:transparent}
.cefr-node.cur{background:var(--accent);color:#fff;border-color:transparent;box-shadow:0 0 0 4px var(--accent-soft)}
.cefr-line{width:22px;height:2px;background:var(--border)}
.cefr-line.done{background:var(--accent)}
@media(max-width:520px){.cefr-line{width:9px}.cefr-node{min-width:36px;font-size:11px}}
.skill-row{display:grid;grid-template-columns:110px 1fr 42px;gap:12px;align-items:center;padding:7px 0}
.skill-row .sn{font-size:13px;font-weight:600}
.skill-row .sv{font-size:13px;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
svg.chart{display:block;width:100%;overflow:visible}
svg.chart text{font-family:var(--ff);fill:var(--text-3);font-size:11px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--text-2);margin-top:12px}
.legend i{width:9px;height:9px;border-radius:3px;display:inline-block;margin-right:6px}

/* ============================ CALENDAR ============================ */
.cal-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.cal-title{font-size:17px;font-weight:750;letter-spacing:-.3px;min-width:190px}
.cal-nav{display:flex;gap:4px}
.seg{display:flex;padding:3px;background:var(--surface-3);border-radius:9px;gap:2px}
.seg button{padding:6px 13px;border-radius:7px;font-size:12.5px;font-weight:650;color:var(--text-2)}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow-1)}
.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.cal-dow{padding:9px 6px;text-align:center;font-size:10.5px;font-weight:700;letter-spacing:.7px;text-transform:uppercase;color:var(--text-3);background:var(--surface-2);border-bottom:1px solid var(--border)}
.cal-cell{min-height:112px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:7px;position:relative}
.cal-cell:nth-child(7n){border-right:0}
.cal-cell.out{background:var(--surface-2)}
.cal-cell.out .cal-dnum{color:var(--text-3);opacity:.5}
.cal-cell.today .cal-dnum{background:var(--accent);color:#fff}
.cal-dnum{width:23px;height:23px;border-radius:99px;display:grid;place-items:center;font-size:12px;font-weight:700;margin-bottom:5px}
.cal-ev{
  display:block;width:100%;text-align:left;padding:4px 7px;border-radius:6px;font-size:11.5px;font-weight:600;
  margin-bottom:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-left:2.5px solid;
}
.ev-agendada{background:var(--blue-soft);color:var(--blue);border-left-color:var(--blue)}
.ev-presente{background:var(--green-soft);color:var(--green);border-left-color:var(--green)}
.ev-ausente{background:var(--red-soft);color:var(--red);border-left-color:var(--red)}
.ev-cancelada{background:var(--amber-soft);color:var(--amber);border-left-color:var(--amber)}
.ev-reagendada{background:var(--purple-soft);color:var(--purple);border-left-color:var(--purple)}
.cal-more{font-size:11px;color:var(--text-3);font-weight:600;padding-left:7px}
@media(max-width:760px){.cal-cell{min-height:76px;padding:4px}.cal-ev{font-size:10px;padding:2px 4px}.cal-dnum{width:20px;height:20px;font-size:11px}}
.day-list{display:flex;flex-direction:column}
.day-row{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:11px 0;border-bottom:1px solid var(--border)}
.day-row:last-child{border-bottom:0}
.day-time{font-family:var(--ff-mono);font-size:12.5px;font-weight:700;color:var(--text-3);padding-top:9px}
.lesson-card{border:1px solid var(--border);border-radius:var(--r);padding:11px 13px;display:flex;align-items:center;gap:12px;background:var(--surface);transition:box-shadow .14s,border-color .14s;width:100%;text-align:left}
.lesson-card:hover{box-shadow:var(--shadow-2);border-color:var(--border-strong)}
.lesson-card .lc-bar{width:3px;align-self:stretch;border-radius:99px;flex:none}
.week-grid{display:grid;grid-template-columns:56px repeat(7,minmax(0,1fr));border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.wg-h{padding:8px 4px;text-align:center;font-size:11px;font-weight:700;background:var(--surface-2);border-bottom:1px solid var(--border);border-right:1px solid var(--border)}
.wg-h small{display:block;font-weight:600;color:var(--text-3);font-size:10.5px}
.wg-t{padding:6px;font-family:var(--ff-mono);font-size:10.5px;color:var(--text-3);text-align:right;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.wg-c{border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:3px;min-height:40px}
.wg-c:nth-child(8n+1){border-right:1px solid var(--border)}

/* ============================ PORTAL (ALUNO) ============================ */
.portal-top{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 22px;display:flex;align-items:center;gap:13px;position:sticky;top:0;z-index:20}
.portal-wrap{max-width:1060px;margin:0 auto;padding:24px 18px 80px}
.next-hero{
  border-radius:var(--r-xl);padding:26px;color:#fff;position:relative;overflow:hidden;
  background:radial-gradient(120% 120% at 8% 0%,#4b48d6 0%,#2a2870 60%,#1d1c4a 100%);
}
.next-hero::after{content:"";position:absolute;inset:0;opacity:.12;background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(60% 60% at 80% 20%,#000,transparent)}
.next-hero>*{position:relative;z-index:2}
.nh-lab{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;opacity:.72}
.nh-day{font-size:31px;font-weight:800;letter-spacing:-1px;margin-top:6px}
.nh-meta{display:flex;gap:20px;margin-top:16px;flex-wrap:wrap;font-size:13.5px;opacity:.88}
.sched-row{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--border)}
.sched-row:last-child{border-bottom:0}
.sched-date{width:56px;text-align:center;flex:none}
.sched-date .sd-d{font-size:20px;font-weight:800;line-height:1}
.sched-date .sd-m{font-size:10.5px;font-weight:700;text-transform:uppercase;color:var(--text-3);letter-spacing:.6px}
.sched-time{font-family:var(--ff-mono);font-weight:700;font-size:14px}

/* ============================ MOBILE TABBAR ============================ */
.tabbar{display:none}
@media(max-width:1000px){
  .tabbar{
    display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);
    z-index:50;padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;font-size:10px;font-weight:650;color:var(--text-3);border-radius:8px}
  .tabbar button .ic{font-size:18px}
  .tabbar button.on{color:var(--accent-text)}
  .fab{position:fixed;right:16px;bottom:78px;width:54px;height:54px;border-radius:99px;background:var(--accent);color:#fff;font-size:24px;box-shadow:var(--shadow-3);z-index:51;display:grid;place-items:center}
}
@media(min-width:1001px){.fab{display:none}}

/* ============================ PRINT ============================ */
@media print{
  body{background:#fff}
  .sidebar,.topbar,.tabbar,.fab,.toasts,.no-print,.modal-foot,.modal-head .x{display:none!important}
  #shell{grid-template-columns:1fr}
  .content{padding:0;max-width:none}
  .modal-scrim{position:static;padding:0;background:none;backdrop-filter:none;overflow:visible;display:block}
  .modal{max-width:none!important;box-shadow:none;border-radius:0;animation:none}
  .card{box-shadow:none;break-inside:avoid}
  .print-only{display:block!important}
  @page{margin:14mm}
}
.print-only{display:none}