/* ================= ระบบโรงเรียน — สไตล์ทั้งหมด (ไม่มี build step) =================
   โทนหลัก: สีประจำโรงเรียนชุมแพพิทยาคม ขาว-เขียว (เขียว --pri, เมนูเขียวเข้ม --side, การ์ดขาว) · รองรับมือถือ (<600) แท็บเล็ต (<1000) และจอใหญ่ */
:root{
  --bg:#f4f8f5;--card:#fff;--ink:#0f172a;--ink2:#334155;--muted:#64748b;--line:#e2e8f0;
  --pri:#15803d;--pri-d:#166534;--pri-50:#f0fdf4;
  --good:#15803d;--good-50:#ecfdf3;--warn:#b45309;--warn-50:#fff7ed;--bad:#dc2626;--bad-50:#fef2f2;
  --side:#0f2a1c;--side2:#173b28;
  --r:14px;--shadow:0 1px 2px rgba(15,23,42,.04),0 4px 16px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Noto Sans Thai","Sarabun",system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55}
h1{font-size:24px;margin:0 0 18px;font-weight:700;letter-spacing:-.2px}
h2{font-size:17px;margin:0 0 14px;font-weight:600}
h3{font-size:15px;margin:18px 0 8px;font-weight:600}
a{color:var(--pri)}
.muted{color:var(--muted);font-size:13px}

/* ---------- ฟอร์ม/ปุ่ม ---------- */
label{display:block;margin:10px 0;font-size:13px;color:var(--muted);font-weight:500}
label.row{display:flex;gap:8px;align-items:center;color:var(--ink)}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;color:var(--ink);background:#fff;margin-top:5px;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px rgba(21,128,61,.15)}
input[type=checkbox]{width:18px;height:18px;margin:0;accent-color:var(--pri)}
textarea{min-height:120px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;font:inherit;font-size:14px;font-weight:500;cursor:pointer;color:var(--ink);text-decoration:none;transition:background .15s,border-color .15s,transform .05s;white-space:nowrap}
.btn:hover{background:#f8fafc;border-color:#d1e7da}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff;box-shadow:0 1px 2px rgba(21,128,61,.3)}
.btn.primary:hover{background:var(--pri-d)}
.btn.danger{color:var(--bad);border-color:#fecaca}
.btn.danger:hover{background:var(--bad-50)}
.btn.small{padding:6px 11px;font-size:13px;border-radius:8px}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:default}
.ok,.err,.banner{padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:14px}
.ok{background:var(--good-50);color:var(--good)}
.err{background:var(--bad-50);color:var(--bad)}
.banner{background:var(--warn-50);color:#7c2d12;border:1px solid #fed7aa;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.banner b{font-weight:600}

/* ---------- การ์ด/กริด/ตาราง ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.narrow{width:100%;max-width:420px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-bottom:18px}
.stat{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow);font-size:13px;color:var(--muted);font-weight:500;overflow:hidden}
.stat::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c,var(--pri));opacity:.8}
.stat b{display:block;font-size:30px;margin-top:2px;color:var(--ink);font-weight:700;line-height:1.2}
.stat small{display:block;color:var(--bad);font-size:12px;margin-top:2px}
a.stat.link{display:block;text-decoration:none;cursor:pointer;transition:border-color .15s,transform .15s}
a.stat.link:hover{border-color:var(--pri);transform:translateY(-1px)}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:end;margin-bottom:14px}
.toolbar label{margin:0;display:flex;flex-direction:column}
.toolbar input,.toolbar select{width:auto;min-width:140px}
table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:middle}
tr:last-child td{border-bottom:0}
th{background:#f8fafc;font-weight:600;color:var(--ink2);font-size:13px}
tbody tr:hover td,table tr:hover td{background:#f7fcf8}
td .btn.small{margin:2px 0}
/* ตารางในหลังบ้านถูกห่อด้วย .tbl (admin.js) → ตารางกว้างเลื่อนแนวนอนในกล่อง ไม่ดันทั้งหน้าล้นจอ */
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px;margin-bottom:4px}
.tbl>table{min-width:100%}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500;background:#eef2f7;color:var(--ink2);white-space:nowrap}
.tag.present,.tag.in,.tag.yes{background:var(--good-50);color:var(--good)}
.tag.late,.tag.leave,.tag.sick{background:var(--warn-50);color:var(--warn)}
.tag.absent,.tag.none,.tag.no{background:var(--bad-50);color:var(--bad)}
.bars{display:flex;align-items:end;gap:6px;height:150px;padding:8px 0 24px}
.bars div{flex:1;background:linear-gradient(180deg,#4ade80,var(--pri));border-radius:6px 6px 0 0;position:relative;min-height:2px}
.bars span{position:absolute;bottom:-22px;left:0;right:0;text-align:center;font-size:11px;color:var(--muted)}
.bars em{position:absolute;top:-18px;left:0;right:0;text-align:center;font-size:11px;font-style:normal}
#map,.map{height:460px;border-radius:var(--r);border:1px solid var(--line)}

/* ---------- หน้าเข้าสู่ระบบ ---------- */
.center{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:16px}
.login-bg{background:radial-gradient(1200px 600px at 10% -10%,#dcfce7 0,transparent 60%),radial-gradient(900px 500px at 110% 110%,#ecfdf5 0,transparent 55%),var(--bg)}
/* ตราโรงเรียน (assets/logo.jpg เป็นวงกลมพื้นขาว) */
.school-logo{display:block;border-radius:50%;object-fit:cover;background:#fff;flex-shrink:0}
.school-logo.login{width:112px;height:112px;margin:0 auto 14px;box-shadow:0 8px 24px rgba(15,23,42,.15)}
.school-logo.side-logo{width:64px;height:64px;margin:0 0 10px;box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.school-logo.md{width:60px;height:60px;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.school-logo.sm{width:48px;height:48px}
.school-logo.xs{width:30px;height:30px}
.login-logo{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--pri),#065f46);color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 12px;box-shadow:0 8px 20px rgba(21,128,61,.3)}
/* อัตลักษณ์โรงเรียน */
.motto{text-align:center;margin:0 0 6px;color:var(--pri);font-weight:600;font-size:15px;letter-spacing:.3px}
.side .brand .side-motto{display:block;margin:4px 0 6px;color:#86efac;font-size:12.5px;font-weight:500}
.side .brand .muted{display:block}
.login-title{text-align:center;margin-bottom:4px}
.login-sub{text-align:center;margin:0 0 20px}
.tabs{display:flex;gap:4px;margin:0 0 16px;background:#f1f5f9;padding:4px;border-radius:12px}
.tabs button{flex:1;border:0;background:transparent;box-shadow:none}
.tabs .active{background:#fff;color:var(--pri);box-shadow:0 1px 3px rgba(15,23,42,.1)}

/* ---------- หลังบ้าน: เมนูข้าง + แถบบนมือถือ ---------- */
.layout{display:flex;min-height:100vh}
.side{width:240px;background:linear-gradient(180deg,var(--side),#08190f);color:#d1e7da;padding:18px 12px;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .brand{color:#fff;font-weight:700;font-size:17px;padding:4px 12px 18px;line-height:1.35}
.side .brand .muted{color:#a7c4b2;font-weight:400}
.side a{display:flex;align-items:center;gap:10px;padding:10px 12px;margin:2px 0;color:#d1e7da;text-decoration:none;cursor:pointer;border-radius:10px;font-size:14.5px;transition:background .15s,color .15s}
.side a:hover{background:rgba(255,255,255,.06);color:#fff}
.side a.active{background:var(--pri);color:#fff;box-shadow:0 4px 12px rgba(21,128,61,.35)}
.side #logout{margin-top:14px;border-top:1px solid rgba(255,255,255,.08);border-radius:0 0 10px 10px;padding-top:14px}
.main{flex:1;padding:28px 32px;min-width:0;max-width:1400px}
.topbar{display:none}
.scrim{display:none}

/* ---------- modal ลงใบหน้า ---------- */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;z-index:2000;padding:16px;backdrop-filter:blur(2px)}
.modal.show{display:flex}
.modal .card{max-width:560px;width:100%;max-height:92vh;overflow:auto}
.cam{position:relative;background:#000;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3}
.cam video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}
.shots{display:flex;gap:6px;margin:10px 0}.shots span{width:28px;height:28px;border-radius:50%;background:var(--line)}.shots span.done{background:var(--good)}

/* ---------- หน้านักเรียน ---------- */
.page{max-width:900px;margin:0 auto;padding:20px 16px 40px}
.hero{background:linear-gradient(135deg,var(--pri),#065f46);color:#fff;border:0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.hero h1{margin:0;color:#fff}
.hero .muted{color:#dcfce7;font-size:14px}
.hero .btn{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);color:#fff}
.hero .btn:hover{background:rgba(255,255,255,.25)}
.step{display:inline-flex;width:26px;height:26px;border-radius:50%;background:var(--pri-50);color:var(--pri);align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-right:6px}

/* ---------- แท็บเล็ต ---------- */
@media (max-width:1000px){
  .main{padding:20px}
  .side{width:210px}
}
/* ---------- มือถือ/แท็บเล็ตแนวตั้ง: เมนูเป็นลิ้นชัก ---------- */
@media (max-width:820px){
  .layout{display:block}
  .topbar{display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:1500;background:var(--side);color:#fff;padding:10px 14px;box-shadow:0 2px 8px rgba(0,0,0,.15)}
  .topbar b{font-size:16px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar button{background:transparent;border:0;color:#fff;font-size:24px;line-height:1;padding:4px 8px;cursor:pointer;border-radius:8px}
  .side{position:fixed;left:0;top:0;bottom:0;z-index:1700;width:260px;height:100%;transform:translateX(-100%);transition:transform .2s ease;box-shadow:4px 0 24px rgba(0,0,0,.25)}
  .nav-open .side{transform:none}
  .nav-open .scrim{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:1600}
  .main{padding:16px}
  h1{font-size:21px}
  #map,.map{height:360px}
}
@media (max-width:600px){
  body{font-size:14.5px}
  .card{padding:16px;border-radius:12px}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat{padding:12px 14px}
  .stat b{font-size:24px}
  .toolbar{flex-direction:column;align-items:stretch}
  .toolbar label,.toolbar input,.toolbar select,.toolbar .btn{width:100%;min-width:0}
  th,td{padding:9px 11px;white-space:nowrap}
  .page{padding:12px 12px 32px}
  .modal{padding:8px}
}

/* ================= เครื่องสแกน (kiosk) ================= */
.kiosk{background:#071a10;color:#fff;height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}
.kiosk header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 24px;font-size:18px}
.kiosk header .clock{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums}
.kiosk .stage{flex:1;display:flex;gap:20px;padding:0 24px 24px;min-height:0}
.kiosk .cam{flex:1.4;aspect-ratio:auto;border:1px solid #1d3d2a}
.kiosk .panel{flex:1;display:flex;flex-direction:column;gap:12px;min-width:0}
.kiosk .result{background:#10261a;border-radius:18px;padding:24px;text-align:center;min-height:200px;display:flex;flex-direction:column;justify-content:center;transition:background .2s}
.kiosk .result .name{font-size:32px;font-weight:700;line-height:1.3}
.kiosk .result .msg{font-size:22px;margin-top:8px;opacity:.95}
.kiosk .result.in,.kiosk .result.merge,.kiosk .result.present{background:#15803d}
.kiosk .result.out,.kiosk .result.leave{background:#1e40af}
.kiosk .result.late{background:#92400e}
.kiosk .result.cooldown,.kiosk .result.already{background:#334155}
.kiosk .result.unknown,.kiosk .result.error{background:#991b1b}
.kiosk .result .warn{margin-top:12px;padding:8px 14px;border-radius:10px;background:#fde68a;color:#422006;font-size:20px;font-weight:600}
.kiosk .info{background:#10261a;border-radius:18px;padding:16px 18px;font-size:16px}
.kiosk .info b{font-size:32px}
.kiosk .recent{background:#10261a;border-radius:18px;padding:12px 16px;flex:1;overflow:auto;font-size:15px}
.kiosk .recent div{padding:6px 0;border-bottom:1px solid #1d3d2a}
.kiosk input{background:#10261a;border-color:#1d3d2a;color:#fff;font-size:18px}
.kiosk input::placeholder{color:#8fb39c}
.kiosk .box{position:absolute;border:3px solid #22c55e;border-radius:10px;pointer-events:none;box-shadow:0 0 0 2px rgba(34,197,94,.25)}
.kiosk .status{position:absolute;left:12px;bottom:12px;background:rgba(0,0,0,.6);padding:4px 10px;border-radius:8px;font-size:13px}
/* kiosk จอแนวตั้ง/แท็บเล็ต: กล้องบน ผลลัพธ์ล่าง */
@media (max-width:900px),(orientation:portrait){
  .kiosk{height:auto;min-height:100vh;overflow:auto}
  .kiosk .stage{flex-direction:column;padding:0 12px 12px}
  .kiosk .cam{flex:none;aspect-ratio:4/3;max-height:55vh}
  .kiosk .result{min-height:140px;padding:16px}
  .kiosk .result .name{font-size:24px}
  .kiosk .result .msg{font-size:18px}
  .kiosk .recent{max-height:220px}
  .kiosk header{padding:10px 12px;font-size:15px}
  .kiosk header .clock{font-size:22px}
}