:root{--ink:#12223d;--blue:#1767e9;--line:#dce7f7}*{box-sizing:border-box}body{margin:0;font-family:'DM Sans',sans-serif;color:var(--ink);background:#f6f9fe}body:before{content:'';position:fixed;inset:0;pointer-events:none;opacity:.35;background-image:linear-gradient(#dce8fa 1px,transparent 1px),linear-gradient(90deg,#dce8fa 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,#000,transparent 70%)}.font-serif{font-family:'Fraunces',serif}.login-bg{position:fixed;inset:0;background:radial-gradient(circle at 20% 20%,#bfdbfe,transparent 30%),radial-gradient(circle at 80% 80%,#a7f3d0,transparent 30%),#eff6ff;z-index:-1}.logo{width:48px;height:48px;border-radius:16px;background:#1767e9;color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 10px 30px #93c5fd}.app-shell{min-height:100vh;display:flex}.sidebar{width:270px;background:#fff;border-right:1px solid var(--line);padding:18px;position:fixed;inset:0 auto 0 0;z-index:30;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.brand p,.user-card small{font-size:12px;color:#64748b}.nav{flex:1;padding-top:15px;display:flex;flex-direction:column;gap:5px;overflow:auto}.nav button{display:flex;align-items:center;gap:12px;border:0;background:transparent;padding:11px 12px;border-radius:13px;font-weight:700;color:#64748b;text-align:left}.nav button:hover,.nav button.active{background:#eaf2ff;color:#145fd8}.user-card{display:flex;align-items:center;gap:10px;background:#f8fafc;border-radius:15px;padding:10px}.avatar{width:38px;height:38px;border-radius:12px;background:#dbeafe;color:#1d4ed8;display:grid;place-items:center;font-weight:800}.main{margin-left:270px;min-width:0;flex:1}.topbar{position:sticky;top:0;z-index:20;background:#ffffffde;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:13px 28px;display:flex;align-items:center;justify-content:space-between}.content{max-width:1500px;margin:auto;padding:28px}.hero{border-radius:28px;padding:35px;color:#fff;background:linear-gradient(135deg,#164fbd,#1888e8);position:relative;overflow:hidden}.hero-icon{position:absolute;right:6%;top:15%;width:110px;height:110px;opacity:.18}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:18px}.stat{border-radius:20px;padding:22px;color:#fff;background-image:linear-gradient(135deg,var(--tw-gradient-from),var(--tw-gradient-to))}.stat small{opacity:.8}.stat b{font-size:35px;display:block;margin-top:8px}.heading{margin-bottom:20px}.heading h1{font:700 34px 'Fraunces';margin:0}.heading p{color:#64748b}.panel{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 15px 36px rgba(23,61,114,.07)}.field{width:100%;border:1px solid #d7e2f2;border-radius:11px;padding:.72rem .82rem;outline:none;background:#fff}.field:focus{border-color:#2c76ec;box-shadow:0 0 0 3px #2c76ec22}.label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}.btn{border:0;border-radius:11px;padding:.7rem 1rem;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.btn-primary{background:#1767e9;color:#fff}.btn-soft{background:#edf4ff;color:#155ecf}.icon-btn{border:0;background:#edf4ff;color:#155ecf;border-radius:10px;padding:9px}.table{width:100%;font-size:14px;border-collapse:collapse;min-width:650px}.table th{text-align:left;color:#64748b;padding:10px}.table td{padding:12px 10px;border-top:1px solid #eef2f7}.alert-error{background:#fff1f2;color:#be123c;padding:12px;border-radius:12px;font-size:14px}.flash{padding:12px 16px;border-radius:12px;margin-bottom:16px}.overlay{display:none}.attendance-item{display:grid;grid-template-columns:1fr repeat(4,50px);gap:8px;align-items:center;padding:10px;border-bottom:1px solid #eef2f7}.status-btn{border:0;border-radius:10px;padding:8px;font-weight:800;background:#edf4ff;color:#155ecf}.status-btn.active{background:#1767e9;color:#fff}@media(max-width:1023px){.sidebar{transform:translateX(-105%);transition:.25s}.sidebar.open{transform:none}.main{margin-left:0}.overlay.open{display:block;position:fixed;inset:0;background:#0f172a66;z-index:25}}@media(max-width:700px){.content{padding:18px}.topbar{padding:12px 16px}.cards{grid-template-columns:1fr}.hero{padding:25px}.hero-icon{display:none}}
.attendance-rich{grid-template-columns:1fr auto}.attendance-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.attendance-actions .status-btn{min-width:66px}.status-btn:disabled{opacity:.55}@media(max-width:700px){.attendance-rich{grid-template-columns:1fr}.attendance-actions{justify-content:flex-start}.attendance-actions .status-btn{flex:1}}

.login-bg{background-size:cover!important;background-position:center!important}.login-school-logo{width:90px;height:90px;object-fit:contain;background:#fff;border-radius:22px;padding:8px}.rainbow-school{background:linear-gradient(90deg,#ff3b30,#ff9500,#ffcc00,#34c759,#00a8ff,#5856d6,#af52de,#ff3b30);background-size:300% auto;color:transparent;background-clip:text;-webkit-background-clip:text;animation:rainbowMove 12s linear infinite}@keyframes rainbowMove{to{background-position:300% center}}.modal{position:fixed;inset:0;background:#0f172a88;z-index:80;display:grid;place-items:center;padding:20px}.modal.hidden{display:none}.modal-card{width:min(680px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:24px;padding:24px;box-shadow:0 30px 80px #0004}.upload-box{border:1px dashed #93c5fd;background:#eff6ff;border-radius:14px;padding:14px;font-weight:700;font-size:13px}.upload-box input{display:block;margin-top:8px;width:100%}.schedule-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.schedule-day{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px}.schedule-card{color:#fff;border-radius:14px;padding:12px;margin-top:9px;box-shadow:0 8px 22px #0f172a20}.announcement-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 12px 30px #173d7212}@media(max-width:700px){.modal-card{padding:18px}}

/* login glassmorphism hotfix */
.login-shell{background:rgba(255,255,255,.08);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.login-side{background:linear-gradient(135deg,rgba(23,103,233,.58),rgba(6,182,212,.42));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.login-form-pane{background:rgba(10,25,47,.22);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.login-field{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.28);color:#fff}.login-field::placeholder{color:rgba(255,255,255,.75)}.login-field:focus{border-color:rgba(255,255,255,.65);box-shadow:0 0 0 3px rgba(255,255,255,.18)}
.rainbow-school{animation:rainbowMove 20s linear infinite!important}
.rainbow-login{background:linear-gradient(90deg,#ff3b30,#ff9500,#ffcc00,#34c759,#00a8ff,#5856d6,#af52de,#ff3b30);background-size:300% auto;color:transparent;background-clip:text;-webkit-background-clip:text;animation:rainbowMove 24s linear infinite}
@media(max-width:1023px){.login-form-pane{background:rgba(10,25,47,.36)}}


/* BBEdu v1.3 layout stabilization */
html,body{min-height:100%;overflow-x:hidden}.app-shell{width:100%;align-items:stretch}.main{width:calc(100% - 270px);max-width:none}.content{width:100%;min-width:0}.content>.page-view{display:block;width:100%;min-width:0;position:relative}.content>.page-view.hidden{display:none!important}.heading{min-height:0!important;height:auto!important;align-items:flex-start}.panel{width:100%;min-width:0}.grid>*{min-width:0}.attendance-item{width:100%;position:relative}.attendance-rich{display:grid!important}.topbar{width:100%}@media(max-width:1023px){.main{width:100%}.content{padding-top:20px}}@media(max-width:700px){.attendance-actions{width:100%}.heading .flex{width:100%;flex-wrap:wrap}.heading select,.heading button{flex:1}}
.student-welcome{background:linear-gradient(135deg,#172554,#1d4ed8 60%,#06b6d4);border-radius:30px;padding:34px;color:#fff;display:flex;align-items:center;justify-content:space-between;overflow:hidden;position:relative}.student-welcome.hidden{display:none}.student-welcome h1{font:700 42px 'Fraunces';margin:12px 0 6px}.student-chip{display:inline-flex;padding:7px 12px;border:1px solid #ffffff55;background:#ffffff16;border-radius:999px;font-size:11px;font-weight:900;letter-spacing:.15em}.student-illustration{width:140px;height:140px;border-radius:38px;background:#ffffff16;display:grid;place-items:center;transform:rotate(7deg)}.student-illustration svg{width:78px;height:78px}.student-quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-top:18px}.student-quick-grid.hidden{display:none}.student-quick-grid button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:20px;text-align:left;box-shadow:0 12px 30px #173d7210;transition:.2s}.student-quick-grid button:hover{transform:translateY(-3px);box-shadow:0 18px 36px #173d7220}.student-quick-grid svg{color:#1767e9;margin-bottom:15px}.student-quick-grid b,.student-quick-grid span{display:block}.student-quick-grid span{font-size:12px;color:#64748b;margin-top:5px}@media(max-width:900px){.student-quick-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.student-welcome{padding:24px}.student-welcome h1{font-size:31px}.student-illustration{display:none}.student-quick-grid{grid-template-columns:1fr}}
.media-preview{height:150px;border-radius:12px;background:#fff;border:1px solid #dbeafe;display:grid;place-items:center;overflow:hidden;margin:10px 0;color:#94a3b8}.media-preview img{width:100%;height:100%;object-fit:contain;display:none}.media-preview img[src]{display:block}.media-preview img[src]+span{display:none}.background-preview img{object-fit:cover}.icon-preview{height:100px}.import-validation{margin-top:14px;max-height:260px;overflow:auto;border:1px solid #dbeafe;border-radius:14px;background:#f8fafc;padding:12px}.import-validation table{width:100%;font-size:12px;border-collapse:collapse}.import-validation th,.import-validation td{padding:8px;border-bottom:1px solid #e2e8f0;text-align:left}.import-validation .ok{color:#047857;font-weight:700}.import-validation .error{color:#be123c;font-weight:700}


/* local utility fallback so layout stays correct without Tailwind CDN */
.hidden{display:none!important}.block{display:block}.inline{display:inline}.flex{display:flex}.grid{display:grid}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.items-end{align-items:flex-end}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.place-items-center{place-items:center}.w-full{width:100%}.w-auto{width:auto}.flex-1{flex:1 1 0%}.min-w-0{min-width:0}.min-h-screen{min-height:100vh}.max-w-5xl{max-width:64rem}.max-w-4xl{max-width:56rem}.overflow-hidden{overflow:hidden}.overflow-x-auto{overflow-x:auto}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.text-center{text-align:center}.font-bold{font-weight:700}.font-semibold{font-weight:600}.leading-tight{line-height:1.25}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}.text-3xl{font-size:1.875rem}.text-4xl{font-size:2.25rem}.tracking-widest{letter-spacing:.18em}.rounded-xl{border-radius:.75rem}.shadow-2xl{box-shadow:0 25px 50px -12px rgba(15,23,42,.28)}.backdrop-blur-md{backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.p-4{padding:1rem}.p-5{padding:1.25rem}.p-7{padding:1.75rem}.p-10{padding:2.5rem}.p-12{padding:3rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:.75rem}.mt-4{margin-top:1rem}.mt-5{margin-top:1.25rem}.mt-6{margin-top:1.5rem}.mt-8{margin-top:2rem}.mt-10{margin-top:2.5rem}.mb-2{margin-bottom:.5rem}
.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-5{gap:1.25rem}.space-y-2>*+*{margin-top:.5rem}.space-y-3>*+*{margin-top:.75rem}.space-y-4>*+*{margin-top:1rem}
.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.text-white{color:#fff}.text-blue-50{color:#eff6ff}.text-blue-100{color:#dbeafe}.text-blue-600{color:#2563eb}.text-slate-100{color:#f1f5f9}.text-slate-500{color:#64748b}
.bg-white\/10{background:rgba(255,255,255,.10)}.border-white\/20{border-color:rgba(255,255,255,.20)}.border-white\/35{border-color:rgba(255,255,255,.35)}
.from-blue-600{--tw-gradient-from:#2563eb}.to-cyan-500{--tw-gradient-to:#06b6d4}.from-violet-600{--tw-gradient-from:#7c3aed}.to-fuchsia-500{--tw-gradient-to:#d946ef}.from-emerald-600{--tw-gradient-from:#059669}.to-teal-400{--tw-gradient-to:#2dd4bf}
.h-12{height:3rem}
@media (min-width:640px){.sm\:inline{display:inline}}
@media (min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.md\:grid-cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}.md\:p-12{padding:3rem}.md\:text-5xl{font-size:3rem}}
@media (min-width:1024px){.lg\:hidden{display:none!important}.lg\:flex{display:flex}.lg\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.lg\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* branding v1.3.3 */
.brand-logo-wrap{width:48px;height:48px;flex:0 0 48px}.brand-logo{width:48px;height:48px;object-fit:contain;border-radius:14px;background:#fff;border:1px solid #dbeafe;padding:3px;box-shadow:0 8px 22px rgba(23,103,233,.16)}