@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&display=swap');
:root{font-family:'Cairo',sans-serif;color:#eaf1ff;background:#080d19;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 15% 0%,#142748 0,transparent 35%),#080d19}
button,input,select{font:inherit}button{cursor:pointer;border:0}
a{color:inherit;text-decoration:none}.shell{max-width:1440px;margin:auto;padding:24px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:22px;letter-spacing:.2px}
.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#2388ff,#1744a5);display:grid;place-items:center;font-weight:900;box-shadow:0 8px 28px #1264df44}
.muted{color:#8fa2c2}.panel{background:linear-gradient(145deg,#111d33,#0d1729);border:1px solid #223552;border-radius:20px;padding:22px;box-shadow:0 16px 40px #0002}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat{background:linear-gradient(145deg,#14294a,#10203a);border:1px solid #25456e;border-radius:18px;padding:20px;min-height:128px}
.stat-label{color:#a8bad7;font-size:14px}.stat-value{font-size:32px;font-weight:900;margin-top:8px}.stat-icon{float:left;font-size:22px}
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:20px}.sidebar{align-self:start;position:sticky;top:18px}.nav{display:grid;gap:8px;margin-top:18px}.nav button{background:transparent;color:#aebed7;text-align:right;padding:12px 14px;border-radius:12px}.nav button.active,.nav button:hover{background:#1b3153;color:white}
.content{min-width:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:24px 0 16px}.section-head h2{margin:0;font-size:20px}
.btn{padding:10px 16px;border-radius:11px;background:#236ee8;color:white;font-weight:700}.btn:hover{filter:brightness(1.12)}.btn.secondary{background:#22334e}.btn.danger{background:#9f3345}.btn.success{background:#087c65}.btn.small{padding:7px 11px;font-size:13px}
.field{display:grid;gap:7px;margin:12px 0}.field label{color:#aebed7;font-size:13px}.field input,.field select{width:100%;background:#091322;border:1px solid #2a3d5b;border-radius:11px;color:#eef4ff;padding:12px;outline:none}.field input:focus{border-color:#3987ff}
.table-wrap{overflow:auto;border:1px solid #243650;border-radius:14px}table{width:100%;border-collapse:collapse;min-width:620px}th,td{text-align:right;padding:13px 15px;border-bottom:1px solid #20314a;font-size:14px}th{color:#9eb1d0;background:#111e32;font-weight:700}td{color:#e2eaff}tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:4px 10px;border-radius:30px;font-size:12px;font-weight:700}.pill.green{background:#0b483e;color:#65e5c2}.pill.red{background:#4b202b;color:#ff9eaa}.pill.blue{background:#193b68;color:#8ec0ff}
.modal{position:fixed;inset:0;background:#020611c9;display:none;align-items:center;justify-content:center;padding:18px;z-index:20}.modal.open{display:flex}.modal-card{width:min(520px,100%);background:#101c30;border:1px solid #2a4163;border-radius:20px;padding:24px;max-height:90vh;overflow:auto}.modal-head{display:flex;justify-content:space-between;align-items:center}.close{background:#243650;color:white;border-radius:9px;padding:6px 11px}
.notice{padding:12px 14px;border-radius:12px;background:#142d4d;color:#b8d7ff;margin:12px 0}.error{background:#46222b;color:#ffc1c8}.success-note{background:#104236;color:#9ff0d6}
.empty{text-align:center;padding:35px;color:#91a5c6}.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.toolbar input{max-width:300px}
#qrBox{background:white;padding:16px;border-radius:14px;display:inline-block;margin:12px auto}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(440px,100%);padding:30px}.login-card .brand{justify-content:center;margin-bottom:22px}
.student-main{max-width:680px;margin:0 auto;padding:24px}.student-card{text-align:center;padding:28px}.scanner{width:100%;max-width:420px;margin:16px auto;overflow:hidden;border-radius:14px}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:static}.nav{grid-template-columns:repeat(2,minmax(0,1fr))}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.shell{padding:14px}.grid{grid-template-columns:1fr 1fr;gap:10px}.stat{padding:14px;min-height:110px}.stat-value{font-size:25px}.panel{padding:16px}.topbar{align-items:flex-start}.brand{font-size:18px}.nav{grid-template-columns:1fr 1fr}.section-head{align-items:flex-start;flex-direction:column}}