:root{
  --bg:#f2f7f6;--card:#fff;--ink:#15201f;--muted:#697875;--line:#dbe7e4;
  --brand:#0f766e;--brand2:#14b8a6;--soft:#e5f5f2;--danger:#dc2626;
  --warning:#b45309;--shadow:0 12px 30px rgba(16,65,59,.09);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Thai",Tahoma,sans-serif;
}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);min-height:100vh}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
.topbar{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:rgba(242,247,246,.94);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:900}.brand b{display:block;font-size:14px}.brand small{display:block;color:var(--muted);font-size:10px}
.top-actions{display:flex;align-items:center;gap:8px}.user-chip{font-size:11px;background:#fff;border:1px solid var(--line);padding:8px 10px;border-radius:999px;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page{max-width:980px;margin:0 auto;padding:16px 14px 100px}
.hero{background:linear-gradient(145deg,#075e59,var(--brand) 55%,var(--brand2));color:#fff;border-radius:28px;padding:24px;box-shadow:0 20px 45px rgba(15,118,110,.24);margin-bottom:16px}
.hero .pill{display:inline-block;padding:6px 10px;border:1px solid rgba(255,255,255,.28);border-radius:999px;background:rgba(255,255,255,.12);font-size:10px;font-weight:800;letter-spacing:.08em}
.hero h1{font-size:28px;line-height:1.25;margin:14px 0 8px}.hero p{margin:0;color:rgba(255,255,255,.78)}
.grid{display:grid;gap:12px}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:21px;padding:17px;box-shadow:var(--shadow)}
.card h2,.card h3{margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:11px}
.kpi span{display:block;color:var(--muted);font-size:11px}.kpi strong{font-size:26px;display:block;margin-top:5px}
.section-head{display:flex;justify-content:space-between;align-items:end;margin:22px 2px 10px}.section-head h2{margin:0;font-size:20px}.section-head p{margin:0 0 3px;color:var(--brand);font-size:10px;font-weight:900;letter-spacing:.12em}
.btn,.primary-btn,.outline-btn,.danger-btn{display:inline-flex;justify-content:center;align-items:center;gap:7px;border:0;border-radius:13px;padding:12px 15px;font-weight:800;cursor:pointer}
.primary-btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.outline-btn{background:#fff;border:1px solid var(--line);color:var(--brand)}.danger-btn{background:#fff1f2;color:var(--danger);border:1px solid #fecdd3}.small{padding:8px 10px;font-size:11px}.full{width:100%}
form .field{display:flex;flex-direction:column;gap:7px;margin-bottom:13px}label>span{font-weight:800;font-size:12px}
input,select,textarea{width:100%;padding:12px 13px;min-height:46px;border:1px solid var(--line);border-radius:13px;background:#fbfdfc;color:var(--ink);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--brand2);box-shadow:0 0 0 3px rgba(20,184,166,.12);background:#fff}
.password-field{position:relative;width:100%}.password-field input{padding-right:48px}.password-field input::-ms-reveal,.password-field input::-ms-clear{display:none}.password-toggle{position:absolute;right:7px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:34px;height:34px;padding:0;border:0;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer}.password-toggle svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.password-toggle:hover,.password-toggle.active{background:var(--soft);color:var(--brand)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.form-grid .full-row{grid-column:1/-1}
.activity-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}.activity-card .icon{font-size:24px}.activity-card small{display:block;color:var(--muted);margin-top:5px;line-height:1.5}
.toggle-row{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px}.toggle-row input{width:22px;min-height:22px}
.score-box{display:flex;justify-content:space-between;align-items:center;background:var(--soft);border:1px solid #c9ebe4;border-radius:18px;padding:14px}.score-box strong{font-size:30px;color:var(--brand)}
.rank-list{display:grid;gap:9px}.rank-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:10px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:17px}.rank-no{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--soft);color:var(--brand);font-weight:900}.rank-row:first-child .rank-no{background:#fbbf24;color:#6b4300}.rank-row small{display:block;color:var(--muted);font-size:10px}.rank-score{text-align:right}.rank-score strong{font-size:18px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:17px;background:#fff}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:11px 12px;border-bottom:1px solid #edf2f1;text-align:left;font-size:12px}th{background:#f7faf9;color:#4c625e;position:sticky;top:0}td .actions{display:flex;gap:6px}
.flash-stack{max-width:980px;margin:10px auto 0;padding:0 14px}.flash{padding:11px 13px;border-radius:12px;margin-bottom:7px;font-size:12px}.flash.success{background:#dcfce7;color:#166534}.flash.warning{background:#ffedd5;color:#9a3412}.flash.error{background:#fee2e2;color:#991b1b}
.auth-card{max-width:520px;margin:18px auto}.tabs{display:flex;gap:8px;overflow:auto;margin-bottom:13px}.tabs a{white-space:nowrap;padding:10px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:11px;font-weight:800}.tabs a.active{background:var(--brand);color:#fff}
.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}.photo{position:relative;aspect-ratio:1;border-radius:13px;overflow:hidden;background:#e8efed}.photo img{width:100%;height:100%;object-fit:cover}.photo label{position:absolute;right:4px;top:4px;background:rgba(255,255,255,.9);padding:4px 6px;border-radius:8px;font-size:10px}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(980px,100%);z-index:60;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:8px 6px max(8px,env(safe-area-inset-bottom));box-shadow:0 -8px 30px rgba(34,66,61,.08)}
.bottom-nav a{text-align:center;color:#758681;font-size:19px}.bottom-nav small{display:block;font-size:9px;font-weight:800;margin-top:2px}.bottom-nav a:hover{color:var(--brand)}
.admin-grid{display:grid;grid-template-columns:220px 1fr;gap:14px}.admin-menu{display:flex;flex-direction:column;gap:7px}.admin-menu a{padding:11px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:12px;font-weight:800}.admin-menu a.active{background:var(--brand);color:#fff}
.badge{display:inline-block;padding:5px 8px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:10px;font-weight:800}
.note{padding:12px;border-radius:13px;background:#fff7ed;border:1px solid #fed7aa;color:#9a5414;font-size:11px;line-height:1.55}
.empty{text-align:center;padding:28px;color:var(--muted);border:1px dashed var(--line);border-radius:16px}
@media(max-width:720px){.grid.four,.grid.three,.grid.two,.form-grid{grid-template-columns:1fr}.admin-grid{grid-template-columns:1fr}.admin-menu{flex-direction:row;overflow:auto}.hero h1{font-size:23px}.photo-grid{grid-template-columns:repeat(3,1fr)}.user-chip{display:none}}