*{box-sizing:border-box}body{margin:0;font-family:Arial,"Noto Sans Thai",sans-serif;background:#f4f7fb;color:#243447}.hidden{display:none!important}.topbar{height:64px;background:#17365d;color:#fff;display:flex;justify-content:space-between;align-items:center;padding:0 24px;position:sticky;top:0;z-index:10}.topbar span{margin-left:14px;opacity:.8;font-size:13px}.logout{background:#fff;color:#17365d;border:0;padding:8px 14px;border-radius:8px;cursor:pointer}.layout{display:flex;min-height:calc(100vh - 64px)}.sidebar{width:240px;background:#fff;border-right:1px solid #dfe6ee;padding:18px 12px}.nav{width:100%;text-align:left;border:0;background:transparent;padding:12px 14px;margin:3px 0;border-radius:8px;cursor:pointer;color:#3b4a5a}.nav.active,.nav:hover{background:#d9eaf7;color:#17365d;font-weight:bold}.content{flex:1;padding:26px;max-width:1500px;margin:auto;width:100%}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.page-head h2{margin:0}.page-head p{margin:5px 0;color:#718096}button{background:#1769aa;color:#fff;border:0;padding:10px 15px;border-radius:8px;cursor:pointer;font-weight:600}button:hover{opacity:.9}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.kpi{background:#fff;border-radius:12px;padding:18px;border:1px solid #e1e8f0;box-shadow:0 2px 8px #00000008}.kpi .num{font-size:28px;font-weight:800;color:#17365d}.kpi .label{color:#718096;margin-top:5px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card{background:#fff;border:1px solid #e1e8f0;border-radius:12px;padding:18px;margin-bottom:18px;box-shadow:0 2px 8px #00000008}input,select{width:100%;padding:11px;border:1px solid #ccd6e0;border-radius:7px;margin:6px 0 12px;background:#fff}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid #e8edf2;padding:10px;text-align:left;font-size:14px}th{background:#f3f6f9;color:#334e68}.bar{height:34px;background:#d9eaf7;border-radius:6px;margin:8px 0;position:relative;overflow:hidden}.bar i{display:block;height:100%;background:#1769aa}.bar span{position:absolute;left:10px;top:8px;font-size:13px}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#17365d,#1769aa)}.login-card{width:420px;max-width:92%;background:#fff;padding:34px;border-radius:18px;text-align:center;box-shadow:0 20px 50px #0004}.brand-mark{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#17365d;color:#fff;font-weight:800;margin:0 auto 14px}.login-card h1{font-size:23px;margin:5px}.login-card p{color:#718096;font-size:14px}.login-card button{width:100%;margin:6px 0 10px}.login-card small{color:#718096}.modal{position:fixed;inset:0;background:#0008;display:grid;place-items:center;z-index:20}.modal-box{background:#fff;width:620px;max-width:94%;max-height:90vh;overflow:auto;border-radius:14px;padding:24px;position:relative}.close{position:absolute;right:12px;top:10px;background:#eee;color:#333;border-radius:50%;padding:4px 10px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid .full{grid-column:1/-1}.report-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}#qrcode{display:flex;justify-content:center;margin:25px}#qrText{text-align:center;font-weight:bold;margin:10px}.status-open{color:#b45309;font-weight:bold}.status-done{color:#15803d;font-weight:bold}@media(max-width:900px){.sidebar{width:70px}.nav{font-size:0;text-align:center}.content{padding:15px}.kpis{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}.topbar span{display:none}}@media print{.topbar,.sidebar,.page-head button,.report-actions{display:none!important}.content{max-width:none;padding:0}.card{box-shadow:none}.page{display:none!important}#reports{display:block!important}.modal{display:none!important}}
.welcome-shell{width:min(1000px,94%);margin:auto}.welcome-hero{text-align:center;color:#fff;margin-bottom:24px}.welcome-hero .brand-mark{background:#fff;color:#17365d}.welcome-hero h1{font-size:32px;margin:8px}.welcome-hero p{line-height:1.7;opacity:.9}.portal-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.portal-card,.auth-panel{background:#fff;border-radius:16px;padding:26px;box-shadow:0 15px 40px #0003}.portal-card h2{margin-top:0}.portal-card p{color:#718096;min-height:45px}.portal-card button{width:100%;margin-top:8px}.student-btn{background:#15803d}.outline-btn{background:#fff;color:#1769aa;border:1px solid #1769aa}.auth-panel{max-width:700px;margin:20px auto}.student-content{max-width:1100px;margin:auto;padding:30px}.student-welcome{text-align:center;margin-bottom:20px}.student-actions{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px}.action-card{background:#fff;color:#243447;border:1px solid #dce6ef;border-radius:15px;padding:28px;text-align:left;box-shadow:0 3px 12px #00000010}.action-card b{display:block;font-size:20px;color:#17365d;margin-bottom:8px}.action-card span{color:#718096;font-weight:normal;line-height:1.5}@media(max-width:700px){.portal-grid,.student-actions{grid-template-columns:1fr}.welcome-hero h1{font-size:25px}.student-content{padding:15px}}

.toolbar{display:grid;grid-template-columns:1fr 190px 190px;gap:10px;margin-bottom:15px}.user-summary{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.user-stat{background:#f3f6f9;border-radius:10px;padding:14px;text-align:center}.user-stat b{display:block;font-size:22px;color:#17365d}.user-stat span{font-size:12px;color:#718096}.action-buttons{display:flex;gap:5px;flex-wrap:wrap}.action-buttons button{padding:6px 9px;font-size:12px}.action-buttons .warn{background:#b7791f}.action-buttons .danger{background:#c53030}.modal-note{background:#f3f6f9;padding:12px;border-radius:8px;margin:10px 0;color:#52606d;font-size:13px}@media(max-width:800px){.toolbar{grid-template-columns:1fr}.user-summary{grid-template-columns:repeat(2,1fr)}}

/* Home / top navigation */
.home-shell{width:min(1180px,96vw);margin:24px auto;background:#fff;border-radius:22px;box-shadow:0 12px 40px rgba(15,23,42,.10);overflow:hidden}
.home-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 24px;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:10;background:rgba(255,255,255,.97);backdrop-filter:blur(10px)}
.home-brand{display:flex;align-items:center;gap:12px;min-width:260px}.home-brand>div:last-child{display:flex;flex-direction:column}.home-brand strong{font-size:18px}.home-brand span{font-size:12px;color:#64748b;margin-top:2px}.home-menu{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.home-menu-btn{border:0;background:transparent;color:#334155;padding:11px 15px;border-radius:12px;font-weight:700;cursor:pointer}.home-menu-btn:hover,.home-menu-btn.active{background:#eff6ff;color:#1d4ed8}.home-menu-btn.student:hover{background:#ecfdf5;color:#047857}.home-menu-btn.admin:hover{background:#fff7ed;color:#c2410c}
.home-page{padding:28px}.home-hero{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:34px;border-radius:20px;background:linear-gradient(135deg,#eff6ff,#f8fafc)}.eyebrow{font-size:13px;font-weight:700;color:#2563eb;margin-bottom:7px}.home-hero h1{margin:0 0 8px;font-size:36px}.home-hero p{margin:0;color:#64748b}.hero-icon{font-size:64px}.public-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0}.public-kpi{padding:20px;border:1px solid #e2e8f0;border-radius:16px;background:#fff}.public-kpi b{display:block;font-size:28px;color:#1d4ed8}.public-kpi span{color:#64748b;font-size:13px}.compact-portals{grid-template-columns:repeat(2,1fr);margin-top:10px}.portal-link{text-align:left;width:100%;cursor:pointer;border:1px solid #e2e8f0;background:#fff}.portal-link:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(15,23,42,.08)}.portal-icon{font-size:32px}.portal-more{display:inline-block;margin-top:12px;font-weight:700;color:#2563eb}.section-title{display:flex;align-items:center;gap:18px;margin-bottom:20px}.section-title h2{margin:0}.section-title p{margin:4px 0;color:#64748b}.back-home{border:1px solid #dbeafe;background:#eff6ff;color:#1d4ed8;border-radius:10px;padding:9px 12px;cursor:pointer}.auth-panel{margin:0 28px 28px;padding:22px;border:1px solid #dbeafe;border-radius:16px;background:#f8fbff}.auth-panel:empty{display:none!important}
@media(max-width:800px){.home-topbar{align-items:flex-start;flex-direction:column}.home-menu{width:100%;justify-content:flex-start}.home-menu-btn{flex:1}.public-kpis{grid-template-columns:repeat(2,1fr)}.compact-portals{grid-template-columns:1fr}.home-hero{padding:24px}.hero-icon{display:none}.home-page{padding:18px}}