:root{--deep:#312E81;--indigo:#4F46E5;--indigo-soft:#EEF2FF;--green:#10B981;--green-soft:#ECFDF5;
--ink:#1E293B;--text:#334155;--muted:#64748B;--line:#E2E8F0;--bg:#F8FAFC;--card:#FFFFFF;
--bad:#B91C1C;--bad-soft:#FEF2F2;--warn:#B45309;--warn-soft:#FFFBEB;--info:#1D4ED8;--info-soft:#EFF6FF;
--radius:12px;--shadow:0 1px 2px rgba(15,23,42,.05),0 4px 16px rgba(15,23,42,.06)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
color:var(--text);background:var(--bg);font-size:15px;line-height:1.55}
a{color:var(--indigo);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0 0 .5em}
h1{font-size:1.75rem}h2{font-size:1.3rem}h3{font-size:1.08rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}.small{font-size:.86rem}.center{text-align:center}
.wordmark{display:inline-flex;align-items:center;gap:10px;color:var(--deep)}
.wordmark .wm-text{display:flex;flex-direction:column;line-height:1.05}
.wordmark b{font-size:1.35rem;font-weight:800;letter-spacing:.5px}
.wordmark small{font-size:.66rem;letter-spacing:1.6px;text-transform:uppercase;color:var(--muted);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;
padding:10px 18px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none!important;background:var(--indigo);color:#fff;min-height:42px}
.btn:hover{filter:brightness(1.07)}.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.secondary{background:#fff;color:var(--deep);border-color:var(--line)}
.btn.green{background:var(--green)}.btn.danger{background:var(--bad)}.btn.ghost{background:transparent;color:var(--indigo);border-color:transparent}
.btn.small{padding:6px 12px;min-height:34px;font-size:.88rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:20px}
.card h2:first-child,.card h3:first-child{margin-top:0}
.grid{display:grid;gap:16px}.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:860px){.g2,.g3,.g4{grid-template-columns:1fr}}
label{display:block;font-weight:600;color:var(--ink);font-size:.9rem;margin-bottom:5px}
.field{margin-bottom:14px}
.hint{font-size:.82rem;color:var(--muted);margin-top:4px}
.preview{font-size:.82rem;color:var(--green);margin-top:4px;min-height:1em}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=number],input[type=date],select,textarea{
width:100%;padding:10px 12px;border:1px solid #CBD5E1;border-radius:9px;font:inherit;color:var(--ink);background:#fff;min-height:42px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--indigo-soft);border-color:var(--indigo)}
.invalid{border-color:var(--bad)!important;background:var(--bad-soft)!important}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:500}.check input{margin-top:4px;width:18px;height:18px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.82rem;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);background:#F8FAFC}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
.table-wrap table th:first-child,.table-wrap table td:first-child{padding-left:14px}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:700}
.tone-good{background:var(--green-soft);color:#047857}.tone-warn{background:var(--warn-soft);color:var(--warn)}
.tone-bad{background:var(--bad-soft);color:var(--bad)}.tone-info{background:var(--info-soft);color:var(--info)}
.banner{padding:12px 18px;border-radius:10px;margin-bottom:18px;display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}
.stack>*+*{margin-top:10px}
.kpi{font-size:1.6rem;font-weight:800;color:var(--ink)}
.empty{padding:28px;text-align:center;color:var(--muted)}
code,.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#F1F5F9;padding:2px 6px;border-radius:6px}
.codebox{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.6rem;letter-spacing:4px;font-weight:800;color:var(--deep);
background:var(--indigo-soft);padding:10px 18px;border-radius:10px;display:inline-block}
/* public pages */
.pub-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.pub-head .inner,.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.pub-head .inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:14px}
.pub-nav{display:flex;gap:18px;align-items:center}.pub-nav a.plain{color:var(--text);font-weight:600}
@media(max-width:760px){.pub-nav a.plain{display:none}.pub-nav{gap:8px}.pub-nav .btn{padding:6px 10px;font-size:.82rem;white-space:nowrap;min-height:36px}.pub-head .wordmark small{display:none}}
.hero{background:linear-gradient(180deg,#EEF2FF 0%,#F8FAFC 100%);padding:64px 0 48px}
.hero h1{font-size:2.4rem;max-width:760px}
.hero p.lead{font-size:1.15rem;max-width:680px;color:var(--text)}
@media(max-width:760px){.hero h1{font-size:1.8rem}}
.section{padding:48px 0}.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.feature h3{margin-bottom:6px}.feature .ico{width:38px;height:38px;border-radius:10px;background:var(--indigo-soft);color:var(--indigo);
display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:10px}
.price-table td,.price-table th{padding:12px 14px}
.steps-list{counter-reset:s;list-style:none;padding:0;margin:0}
.steps-list li{counter-increment:s;padding:10px 0 10px 46px;position:relative}
.steps-list li:before{content:counter(s);position:absolute;left:0;top:8px;width:32px;height:32px;border-radius:50%;background:var(--green);
color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
details.faq{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
details.faq summary{font-weight:700;color:var(--ink);cursor:pointer}
.pub-foot{background:#fff;border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:.9rem}
.auth-box{max-width:480px;margin:40px auto;padding:0 16px}
.legal{max-width:820px;margin:0 auto;padding:36px 20px 60px}.legal h2{margin-top:1.6em}.legal li{margin-bottom:.4em}
/* app shell */
.shell{display:flex;min-height:100vh}
.side{width:248px;background:var(--deep);color:#E0E7FF;flex-shrink:0;display:flex;flex-direction:column}
.side .brand{padding:18px;border-bottom:1px solid rgba(255,255,255,.12);display:flex;gap:10px;align-items:center}
.side .brand img,.side .brand .initials{width:42px;height:42px;border-radius:10px;background:#fff;object-fit:contain;flex-shrink:0}
.side .brand .initials{display:flex;align-items:center;justify-content:center;color:var(--deep);font-weight:800}
.side .brand .nm{font-weight:700;color:#fff;font-size:.95rem;line-height:1.2}
.side nav{padding:10px 0;flex:1}
.side nav a{display:flex;gap:10px;align-items:center;padding:11px 20px;color:#C7D2FE;font-weight:500;border-left:4px solid transparent;text-decoration:none}
.side nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.side nav a.active{background:rgba(255,255,255,.14);color:#fff;border-left-color:var(--green);font-weight:700}
.side .foot{padding:14px 20px;font-size:.75rem;color:#A5B4FC;border-top:1px solid rgba(255,255,255,.12)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{background:#fff;border-bottom:1px solid var(--line);padding:10px 24px;display:flex;align-items:center;gap:14px;justify-content:space-between;flex-wrap:wrap}
.top select{width:auto;min-height:36px;padding:6px 10px}
.content{padding:24px;max-width:1180px;width:100%}
.menu-btn{display:none;background:none;border:0;font-size:1.5rem;color:var(--deep);cursor:pointer}
@media(max-width:900px){.side{position:fixed;inset:0 auto 0 0;z-index:50;transform:translateX(-100%);transition:transform .2s}
.side.open{transform:none}.menu-btn{display:block}.content{padding:16px}}
.steps{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}
.steps a{padding:7px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:.85rem;font-weight:600;text-decoration:none}
.steps a.done{color:#047857;border-color:#A7F3D0;background:var(--green-soft)}.steps a.current{background:var(--indigo);color:#fff;border-color:var(--indigo)}
.rows .r{display:grid;gap:10px;align-items:end;margin-bottom:10px}
.total-line{font-weight:800;font-size:1.05rem}
.ok-text{color:#047857}.bad-text{color:var(--bad)}
/* modal and toast */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}
.modal{background:#fff;border-radius:14px;max-width:480px;width:100%;padding:24px;box-shadow:0 20px 50px rgba(15,23,42,.3)}
.modal h3{display:flex;gap:10px;align-items:center}.modal .ico{width:30px;height:30px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}
.modal .ico.err{background:var(--bad-soft);color:var(--bad)}.modal .ico.ok{background:var(--green-soft);color:#047857}.modal .ico.q{background:var(--indigo-soft);color:var(--indigo)}
.modal .acts{display:flex;gap:10px;justify-content:flex-end;margin-top:18px;flex-wrap:wrap}
.toast{position:fixed;bottom:20px;right:20px;background:#064E3B;color:#fff;padding:12px 18px;border-radius:10px;z-index:110;max-width:380px;box-shadow:var(--shadow)}
.cardhead{border-bottom:2px solid var(--deep);padding-bottom:10px;display:flex;gap:14px;align-items:center}
.cardhead img{width:64px;height:64px;object-fit:contain}
/* attendance */
.att-opt{display:inline-flex;cursor:pointer;margin:0}
.att-opt input{position:absolute;opacity:0;width:1px;height:1px}
.att-opt span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:34px;border-radius:8px;border:1px solid var(--line);font-weight:700;color:var(--muted);background:#fff}
.att-opt input:focus-visible+span{outline:2px solid var(--indigo)}
.att-P input:checked+span{background:var(--green);border-color:var(--green);color:#fff}
.att-A input:checked+span{background:var(--bad);border-color:var(--bad);color:#fff}
.att-L input:checked+span{background:var(--info);border-color:var(--info);color:#fff}
.att-T input:checked+span{background:var(--warn);border-color:var(--warn);color:#fff}
.att .sm{display:none}
@media(max-width:600px){.att .lg{display:none}.att .sm{display:inline}.att th,.att td{padding:8px 4px}.att-opt span{width:34px;height:34px}.att td:nth-child(2){font-size:.9rem}}
.att-grid th,.att-grid td{padding:5px 4px;text-align:center;font-size:.8rem;border-left:1px solid var(--line)}
.att-grid td.nm,.att-grid th:nth-child(2){text-align:left;white-space:nowrap;padding-right:10px}
.att-grid .off{background:#F1F5F9;color:#94A3B8}
.att-grid .v-A{color:var(--bad);font-weight:700}.att-grid .v-L{color:var(--info);font-weight:700}.att-grid .v-T{color:var(--warn);font-weight:700}
@media print{.att .sm{display:none}
@media(max-width:600px){.att .lg{display:none}.att .sm{display:inline}.att th,.att td{padding:8px 4px}.att-opt span{width:34px;height:34px}.att td:nth-child(2){font-size:.9rem}}
.att-grid th,.att-grid td{font-size:9px;padding:2px}}
@media print{.side,.top,.no-print{display:none!important}.content{padding:0}.card{box-shadow:none;border:0}}