@import url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css");
*{box-sizing:border-box}html,body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:#15304b;background:#f2f7fb}body{min-height:100vh}.topbar{height:64px;background:linear-gradient(100deg,#075985,#0ea5e9);color:#fff;display:flex;align-items:center;padding:0 22px;gap:15px;position:sticky;top:0;z-index:20;box-shadow:0 4px 18px #07598522}.hamburger{border:0;background:#ffffff1c;color:#fff;border-radius:10px;width:42px;height:42px;font-size:21px;cursor:pointer}.topbrand{font-size:22px;letter-spacing:-.4px}.topbrand b{font-weight:800}.topright{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:14px}.topright a{color:#fff;text-decoration:none}.layout{display:flex;min-height:calc(100vh - 64px)}.sidebar{width:255px;background:#082f49;color:#dbeafe;transition:.25s;display:flex;flex-direction:column;position:fixed;top:64px;bottom:0;left:0;z-index:15;box-shadow:4px 0 18px #06283a22}.side-brand{padding:26px 25px 20px;font-size:20px;font-weight:800;color:#fff}.side-brand small{display:block;font-size:10px;letter-spacing:2px;color:#7dd3fc;margin-top:3px}nav{padding:8px 13px}nav a{display:flex;align-items:center;gap:13px;padding:13px 14px;margin:4px 0;border-radius:11px;color:#cfe8f7;text-decoration:none;font-size:15px;transition:.2s}nav a:hover{background:#ffffff12;color:#fff;transform:translateX(2px)}nav a.active{background:linear-gradient(90deg,#0ea5e9,#38bdf8);color:#fff;box-shadow:0 6px 15px #0ea5e933;font-weight:700}.side-version{margin:auto 24px 22px;color:#75a5bd;font-size:11px}.content{margin-left:255px;width:calc(100% - 255px);padding:34px 38px 20px;transition:.25s}.sidebar-collapsed .sidebar{width:74px}.sidebar-collapsed .sidebar .side-brand{font-size:0;text-align:center;padding:25px 5px}.sidebar-collapsed .side-brand:before{content:'R';font-size:26px;color:#fff}.sidebar-collapsed .side-brand small,.sidebar-collapsed nav span,.sidebar-collapsed .side-version{display:none}.sidebar-collapsed nav a{justify-content:center;padding:14px 8px}.sidebar-collapsed .content{margin-left:74px;width:calc(100% - 74px)}h1{font-size:28px;margin:0 0 5px;color:#102f4b}h2{font-size:18px;margin:0}.welcome{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.welcome p{margin:6px 0 2px;color:#31526c}.welcome span,.muted{color:#7890a4;font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:10px 16px;background:#e5eef5;color:#173a55;text-decoration:none;cursor:pointer;font-weight:600;font-size:13px}.btn.primary{background:linear-gradient(100deg,#0284c7,#0ea5e9);color:#fff;box-shadow:0 5px 13px #0284c733}.btn.small{padding:7px 11px;font-size:12px}.btn.full{width:100%;margin-top:14px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:22px}.stat{background:#fff;border:1px solid #e1edf5;border-radius:16px;padding:18px;display:flex;gap:15px;align-items:flex-start;box-shadow:0 8px 25px #174b6810;position:relative;overflow:hidden}.stat:after{content:'';position:absolute;right:-28px;top:-28px;width:85px;height:85px;border-radius:50%;background:#0ea5e90d}.stat>span{font-size:27px;background:#e9f7ff;border-radius:12px;padding:10px}.stat small{display:block;font-size:11px;color:#7790a4;font-weight:700;letter-spacing:.6px}.stat strong{display:block;font-size:28px;line-height:1.2;color:#123a59}.stat em{font-size:11px;color:#8aa0b1;font-style:normal}.grid2{display:grid;grid-template-columns:1.6fr 1fr;gap:20px}.panel{background:#fff;border:1px solid #dfebf4;border-radius:16px;padding:20px;box-shadow:0 8px 28px #174b6810;margin-bottom:20px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.panel-head a{font-size:12px;color:#0786c5;text-decoration:none;font-weight:600}.exam-card{border:1px solid #e2edf4;border-radius:13px;padding:16px;margin:12px 0;background:linear-gradient(120deg,#fff,#f8fcff)}.exam-title{display:flex;justify-content:space-between;gap:10px}.exam-title b{font-size:15px;display:block}.exam-title small{display:block;color:#69869e;margin-top:4px}.badge{display:inline-flex;border-radius:999px;padding:4px 9px;font-size:10px;font-weight:700;white-space:nowrap;height:max-content}.badge.success{background:#dcfce7;color:#15803d}.badge.info{background:#e0f2fe;color:#0369a1}.badge.danger{background:#fee2e2;color:#b91c1c}.exam-meta{display:flex;gap:18px;color:#5e7b92;font-size:12px;margin:13px 0}.progress{height:7px;background:#e7f0f5;border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;background:linear-gradient(90deg,#0284c7,#38bdf8);border-radius:99px}.exam-foot{display:flex;justify-content:space-between;align-items:center;margin-top:9px;font-size:11px;color:#7d94a6}.quick{display:grid;grid-template-columns:1fr 1fr;gap:11px}.quick a{padding:15px;border:1px solid #e1edf4;border-radius:13px;text-decoration:none;color:#183a55;background:#fafdff;display:grid;gap:3px}.quick a:first-letter{font-size:20px}.quick small{font-size:11px;color:#8aa0b1}.system{margin-top:18px;border-top:1px solid #edf2f6;padding-top:14px;display:grid;gap:7px;font-size:12px;color:#527087}.system b{font-size:13px;color:#193d58}.system span:first-of-type{color:#15803d}.activity{margin-top:0}.timeline{display:grid;gap:13px;color:#55748b;font-size:13px}.timeline time{float:right;color:#9aaab6;font-size:11px}.page-title{margin-bottom:22px}.page-title p{color:#70899e;margin:5px 0;font-size:13px}.form-panel label{display:block;font-size:12px;font-weight:700;margin-bottom:7px;color:#284962}.form-panel input,.form-panel select,.login-card input{width:100%;border:1px solid #cbdde9;border-radius:9px;padding:11px 12px;background:#fff;color:#173a55;outline:none}.form-panel input:focus,.form-panel select:focus,.login-card input:focus{border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf81c}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-actions{grid-column:1/-1}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:13px 10px;text-align:left;border-bottom:1px solid #e5eef4}th{font-size:11px;text-transform:uppercase;color:#70899e;letter-spacing:.5px}td{color:#274963}.inline{display:inline}.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;font-size:13px}.alert.success{background:#dcfce7;color:#166534}.alert.danger{background:#fee2e2;color:#991b1b}.empty{padding:25px;text-align:center;color:#7a91a3;background:#f8fbfd;border-radius:11px}.empty.big{padding:60px 20px}.monitor-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:20px}.mini{background:#fff;border:1px solid #e1edf5;border-radius:14px;padding:17px;display:grid;gap:4px;box-shadow:0 8px 22px #174b6810}.mini b{font-size:26px}.mini span{font-size:12px;color:#7890a4}.mini.green{border-top:4px solid #22c55e}.mini.orange{border-top:4px solid #f59e0b}.mini.red{border-top:4px solid #ef4444}.mini.blue{border-top:4px solid #0ea5e9}.themes{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}.theme-dot{border:1px solid #dbe7ee;background:#fff;border-radius:10px;padding:9px 13px;cursor:pointer}.theme-dot.ocean{border-left:7px solid #0ea5e9}.theme-dot.emerald{border-left:7px solid #10b981}.theme-dot.purple{border-left:7px solid #8b5cf6}.theme-dot.orange{border-left:7px solid #f97316}.theme-dot.maroon{border-left:7px solid #7f1d1d}.theme-dot.dark{border-left:7px solid #111827}.settings-list{display:grid;gap:12px;margin-top:15px}.settings-list div{display:flex;justify-content:space-between;padding:13px;background:#f8fbfd;border-radius:10px;font-size:13px}.good{color:#15803d}footer{text-align:center;color:#8ba0ae;font-size:11px;padding:18px 0 8px}.login-page{display:grid;place-items:center;min-height:100vh;background:linear-gradient(135deg,#e9f8ff,#f4f8fb)}.login-card{width:min(410px,92vw);background:#fff;border:1px solid #dceaf3;border-radius:20px;padding:30px;box-shadow:0 18px 50px #0759851c}.brand{font-size:25px;color:#193c56}.brand span{font-weight:800;color:#0284c7}.login-card label{display:block;font-size:12px;font-weight:700;margin-top:15px;color:#2b4b63}.login-foot{text-align:center;font-size:11px;color:#8ba0ae;margin-top:24px}.danger{color:#991b1b}@media(max-width:1050px){.stats{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}.monitor-cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:1100px){.sidebar{transform:translateX(-100%);width:270px}.sidebar.open{transform:translateX(0)}.sidebar-collapsed .sidebar{width:270px;transform:translateX(-100%)}.content,.sidebar-collapsed .content{margin-left:0;width:100%;padding:24px 16px}.topbar{height:58px;padding:0 12px}.topright span{display:none}.topbrand{font-size:18px}.stats{grid-template-columns:1fr 1fr;gap:10px}.stat{padding:13px;gap:9px}.stat>span{font-size:20px;padding:7px}.stat strong{font-size:23px}.stat em{display:none}.form-grid{grid-template-columns:1fr}.form-actions{grid-column:auto}.welcome{align-items:flex-start;gap:10px}.welcome .btn{padding:9px}.quick{grid-template-columns:1fr 1fr}.exam-meta{flex-wrap:wrap;gap:9px}.monitor-cards{grid-template-columns:1fr 1fr}}@media(max-width:480px){.stats{grid-template-columns:1fr}.quick{grid-template-columns:1fr}.welcome{display:block}.welcome .btn{margin-top:14px}}

.login-hint{text-align:center;color:#6b8295;font-size:11px;margin-top:14px;padding:9px;background:#f5faff;border-radius:9px}
.student-welcome{display:flex;gap:20px;align-items:center;padding:30px}.student-icon{font-size:46px;background:#e0f2fe;border-radius:18px;padding:18px}.student-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}.student-stat{padding:22px;text-align:center}.student-stat span{font-size:28px;display:block}.student-stat b{display:block;font-size:25px;margin:7px 0}.student-stat small{color:#6b89a5}.student-exam-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.student-exam-card{background:#fff;border:1px solid #dbe9f2;border-radius:16px;padding:22px;display:flex;gap:18px}.subject-icon{font-size:30px;background:#e0f2fe;border-radius:14px;padding:14px;height:max-content}.student-exam-body h2{margin:8px 0 4px}.student-exam-body p{margin:0 0 12px;color:#63819b}.student-meta{font-size:13px;color:#6b89a5;margin-bottom:16px}.account-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:760px){.student-grid,.student-exam-grid,.account-grid{grid-template-columns:1fr}.student-welcome{flex-direction:column;align-items:flex-start}}.import-panel{border-left:4px solid #0ea5e9}.upload-inline{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.theme-form{margin:0}.theme-dot{min-width:145px;display:inline-flex;align-items:center;gap:8px}.theme-dot.selected{outline:3px solid #0ea5e933;box-shadow:0 4px 14px #0f172a14}.theme-swatch{width:14px;height:14px;border-radius:50%;display:inline-block}.theme-swatch.ocean,.theme-dot.ocean .theme-swatch{background:#0ea5e9}.theme-dot.emerald .theme-swatch{background:#10b981}.theme-dot.purple .theme-swatch{background:#8b5cf6}.theme-dot.orange .theme-swatch{background:#f97316}.theme-dot.maroon .theme-swatch{background:#7f1d1d}.theme-dot.dark .theme-swatch{background:#111827}.btn.success{background:#dcfce7;color:#166534}.btn.warning{background:#fef3c7;color:#92400e}
body[data-theme="emerald"] .topbar{background:linear-gradient(100deg,#047857,#10b981)}body[data-theme="emerald"] nav a.active{background:linear-gradient(90deg,#10b981,#34d399)}body[data-theme="emerald"] .btn.primary{background:linear-gradient(100deg,#059669,#10b981)}body[data-theme="emerald"] .progress i{background:linear-gradient(90deg,#059669,#34d399)}
body[data-theme="purple"] .topbar{background:linear-gradient(100deg,#6d28d9,#8b5cf6)}body[data-theme="purple"] nav a.active{background:linear-gradient(90deg,#7c3aed,#a78bfa)}body[data-theme="purple"] .btn.primary{background:linear-gradient(100deg,#7c3aed,#8b5cf6)}body[data-theme="purple"] .progress i{background:linear-gradient(90deg,#7c3aed,#a78bfa)}
body[data-theme="orange"] .topbar{background:linear-gradient(100deg,#c2410c,#f97316)}body[data-theme="orange"] nav a.active{background:linear-gradient(90deg,#ea580c,#fb923c)}body[data-theme="orange"] .btn.primary{background:linear-gradient(100deg,#ea580c,#f97316)}body[data-theme="orange"] .progress i{background:linear-gradient(90deg,#ea580c,#fb923c)}
body[data-theme="maroon"] .topbar{background:linear-gradient(100deg,#7f1d1d,#991b1b)}body[data-theme="maroon"] nav a.active{background:linear-gradient(90deg,#991b1b,#b91c1c)}body[data-theme="maroon"] .btn.primary{background:linear-gradient(100deg,#991b1b,#b91c1c)}body[data-theme="maroon"] .progress i{background:linear-gradient(90deg,#991b1b,#b91c1c)}
body[data-theme="dark"]{background:#eef1f5;color:#172033}body[data-theme="dark"] .topbar{background:linear-gradient(100deg,#111827,#374151)}body[data-theme="dark"] .sidebar{background:#111827}body[data-theme="dark"] nav a.active{background:linear-gradient(90deg,#374151,#4b5563)}body[data-theme="dark"] .btn.primary{background:linear-gradient(100deg,#374151,#111827)}

/* Admin navigation drawer: responsive for phones and tablets */
.menu-overlay{display:none;position:fixed;inset:58px 0 0 0;background:rgba(2,25,40,.42);z-index:14}
@media(max-width:1100px){
  .sidebar{transform:translateX(-100%);width:280px}
  .sidebar.open{transform:translateX(0)}
  .sidebar-collapsed .sidebar{width:280px;transform:translateX(-100%)}
  .content,.sidebar-collapsed .content{margin-left:0!important;width:100%!important;padding:26px 20px 20px}
  .menu-overlay.show{display:block}
  .topbar{position:sticky;top:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid2{grid-template-columns:1fr}
}
@media(max-width:560px){
  .stats,.monitor-cards{grid-template-columns:1fr}
  .content,.sidebar-collapsed .content{padding:20px 14px}
}

.exam-access-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0;padding:11px 13px;background:#f4faff;border:1px solid #dcebf4;border-radius:10px;color:#45677f;font-size:12px}.access-form{margin:0}.access-form select{border:1px solid #cbdde9;border-radius:8px;padding:8px 10px;background:#fff;color:#274963}.access-badge{display:inline-block;margin-bottom:14px;padding:6px 9px;border-radius:8px;background:#eff6ff;color:#0369a1;font-size:11px;font-weight:700}

/* Custom ZIP uploader */
.custom-upload{margin-top:14px}.file-hidden{position:absolute!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none}.upload-drop{min-height:185px;border:2px dashed #b9d9e9;border-radius:16px;background:linear-gradient(180deg,#fafdff,#f3faff);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:24px;text-align:center;color:#55748b;cursor:pointer;transition:.2s ease}.upload-drop:hover,.custom-upload.dragover .upload-drop{border-color:#0ea5e9;background:#eefaff;transform:translateY(-1px)}.upload-drop strong{font-size:17px;color:#173a55}.upload-drop em{font-size:11px;font-style:normal;color:#91a4b2}.upload-pick{display:inline-flex!important;align-items:center;justify-content:center;margin-top:2px}.upload-icon{width:42px;height:42px;border-radius:12px;background:#e0f2fe;color:#0284c7;display:grid;place-items:center;font-size:24px;font-weight:800}.upload-drop small{font-size:11px;color:#8aa0b0;margin-top:4px}.file-selected{margin-top:10px;padding:12px 14px;border:1px solid #cfe4ef;border-radius:12px;background:#f8fcff;display:flex;align-items:center;justify-content:space-between;gap:12px}.file-selected>div{display:flex;align-items:center;gap:10px;min-width:0}.file-selected b{display:block;color:#234861;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:520px}.file-selected small{display:block;color:#7b92a3;font-size:11px;margin-top:2px}.file-icon{font-size:25px}.file-remove{width:30px;height:30px;border:1px solid #f0c0c0;border-radius:8px;background:#fff;color:#b42323;font-size:19px;cursor:pointer}.upload-submit{margin-top:12px}.upload-submit:disabled{opacity:.5;cursor:not-allowed}
.subject-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.subject-card-link{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px;border:1px solid #dbe9f2;border-radius:15px;background:#fff;text-decoration:none;color:#173a55;box-shadow:0 6px 18px #174b680b;transition:.18s}.subject-card-link:hover{border-color:#7dd3fc;transform:translateY(-1px);box-shadow:0 10px 24px #174b6812}.subject-card-link h3{margin:0 0 5px;font-size:15px}.subject-card-link p{margin:0;color:#71899d;font-size:12px}.subject-card-arrow{font-size:22px;color:#0ea5e9}.back-link{display:inline-flex;align-items:center;gap:5px;text-decoration:none;color:#0369a1;font-size:13px;font-weight:700;margin-bottom:12px}.question-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.question-row-actions{display:flex;gap:6px;flex-wrap:wrap}.question-row-actions form{margin:0}.question-number{font-weight:800;color:#0b5f8c}.edit-panel{border-left:4px solid #0ea5e9}.exam-subject-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.exam-subject-card{display:block;text-decoration:none;color:#173a55;border:1px solid #dbe9f2;background:#fff;border-radius:16px;padding:18px;box-shadow:0 6px 18px #174b680b}.exam-subject-card:hover{border-color:#7dd3fc;transform:translateY(-1px)}.exam-subject-card .row{display:flex;justify-content:space-between;gap:10px;align-items:center}.exam-subject-card h3{margin:0;font-size:16px}.exam-subject-card p{margin:6px 0 0;color:#71899d;font-size:12px}.exam-subject-card .count{font-size:12px;color:#0369a1;background:#eff8fd;padding:6px 9px;border-radius:999px;font-weight:700}
@media(max-width:700px){.subject-cards,.exam-subject-cards{grid-template-columns:1fr}.upload-drop{min-height:165px}.file-selected b{max-width:220px}}

/* v1.27 navigation and account polish */
.topbrand a{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:0}.topbrand a:hover{opacity:.92}.topright .user-link{color:#fff;text-decoration:none;font-weight:600;display:inline-flex;align-items:center;gap:5px}.topright .user-link:hover{text-decoration:underline}.account-panel{padding:24px}.account-section-title{display:flex;align-items:center;gap:12px;margin-bottom:20px}.account-section-title h2{margin:0 0 3px}.account-section-title p{margin:0;color:#7890a4;font-size:12px}.account-section-icon{width:42px;height:42px;border-radius:12px;background:#e0f2fe;display:grid;place-items:center;font-size:22px}.account-field label{display:block;font-size:12px;font-weight:700;color:#284962;margin-bottom:7px}.account-field input{width:100%;box-sizing:border-box;border:1px solid #cbdde9;border-radius:10px;padding:12px 13px;background:#f8fbfd;color:#173a55;outline:none;font-size:14px}.account-field input:focus{border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf81c;background:#fff}.password-wrap{position:relative}.password-wrap input{padding-right:48px}.password-toggle{position:absolute;right:7px;top:50%;transform:translateY(-50%);width:34px;height:34px;border:0;border-radius:8px;background:transparent;cursor:pointer;font-size:16px}.password-toggle:hover{background:#eaf6fc}.account-password-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.account-password-form .account-field:nth-child(3){grid-column:1/-1;max-width:50%}.account-password-form .form-actions{grid-column:1/-1}@media(max-width:760px){.account-password-form{grid-template-columns:1fr}.account-password-form .account-field:nth-child(3){grid-column:auto;max-width:none}}

/* v1.29 Login background: modern CBT classroom, desktop + mobile */
.login-page{
  min-height:100vh;
  min-height:100dvh;
  display:block;
  position:relative;
  overflow-x:hidden;
  background:#0b2940 url('images/login-bg.png') center center / cover no-repeat;
}
.login-page:before{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(4,25,42,.12) 0%,rgba(4,25,42,.16) 42%,rgba(4,25,42,.48) 100%);
}
.login-shell{
  min-height:100vh;
  min-height:100dvh;
  position:relative;
  z-index:1;
  display:flex;
  justify-content:flex-end;
  align-items:center;
  padding:40px clamp(22px,6vw,90px) 40px 40px;
}
.login-card{
  width:min(430px,92vw);
  background:rgba(255,255,255,.94);
  border:1px solid rgba(255,255,255,.72);
  border-radius:24px;
  padding:30px;
  box-shadow:0 24px 70px rgba(3,27,45,.30);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.login-brand-row{display:flex;align-items:center;gap:13px}
.login-brand-mark{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#075985,#0ea5e9);
  color:#fff;font-size:22px;font-weight:800;
  box-shadow:0 8px 20px rgba(2,132,199,.28);
}
.brand{font-size:24px;line-height:1.1;color:#193c56;letter-spacing:-.4px}
.brand span{font-weight:800;color:#0284c7}
.login-subtitle{margin:4px 0 0;color:#7890a4;font-size:12px}
.login-welcome{margin:27px 0 20px}
.login-welcome h1{font-size:25px;margin:0 0 5px;color:#123a59;letter-spacing:-.3px}
.login-welcome p{margin:0;color:#71899d;font-size:13px}
.login-card label{display:block;font-size:12px;font-weight:700;margin:14px 0 7px;color:#294b64}
.login-form input{
  width:100%;height:47px;border:1px solid #cbdde9;border-radius:11px;
  padding:0 13px;background:rgba(255,255,255,.96);color:#173a55;outline:none;
  font-size:14px;transition:.18s;
}
.login-form input::placeholder{color:#9aabb8}
.login-form input:focus{border-color:#0ea5e9;box-shadow:0 0 0 4px rgba(14,165,233,.12);background:#fff}
.login-form .btn.full{height:47px;border-radius:11px;font-size:14px;margin-top:20px}
.login-foot{margin-top:22px;padding-top:16px;border-top:1px solid #e7eff4;text-align:center;font-size:10.5px;color:#8ba0ae}
.login-page .alert{margin-top:0}
@media(max-width:900px){
  .login-page{background-position:center center}
  .login-page:before{background:linear-gradient(180deg,rgba(4,25,42,.25),rgba(4,25,42,.50))}
  .login-shell{justify-content:center;padding:28px 18px}
  .login-card{width:min(440px,94vw)}
}
@media(max-width:560px){
  .login-page{background-position:58% center}
  .login-shell{padding:18px 14px}
  .login-card{width:100%;max-width:430px;padding:23px 20px;border-radius:20px}
  .login-brand-mark{width:42px;height:42px;border-radius:12px;font-size:20px}
  .brand{font-size:21px}
  .login-welcome{margin:22px 0 16px}
  .login-welcome h1{font-size:22px}
  .login-form input,.login-form .btn.full{height:46px}
}



/* v1.32 — Login glassmorphism + motion */
.login-page{
  background:#071f33 url('images/login-bg.png') center center / cover no-repeat fixed;
}
.login-page:before{
  background:
    radial-gradient(circle at 18% 20%,rgba(14,165,233,.20),transparent 30%),
    radial-gradient(circle at 82% 78%,rgba(56,189,248,.16),transparent 32%),
    linear-gradient(90deg,rgba(3,25,42,.10),rgba(3,25,42,.34));
  animation:loginOverlay 10s ease-in-out infinite alternate;
}
.login-page:after{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.09) 48%,transparent 61%);
  background-size:220% 100%;
  animation:loginShine 9s ease-in-out infinite;
}
.login-shell{
  isolation:isolate;
  padding:40px clamp(22px,7vw,100px) 40px 40px;
}
.login-shell:before,.login-shell:after{
  content:'';
  position:absolute;
  border-radius:50%;
  pointer-events:none;
  z-index:-1;
  filter:blur(2px);
}
.login-shell:before{
  width:260px;height:260px;left:8%;top:10%;
  background:rgba(56,189,248,.10);
  border:1px solid rgba(255,255,255,.16);
  animation:loginFloat 8s ease-in-out infinite;
}
.login-shell:after{
  width:180px;height:180px;left:44%;bottom:5%;
  background:rgba(14,165,233,.10);
  border:1px solid rgba(255,255,255,.12);
  animation:loginFloat 11s ease-in-out infinite reverse;
}
.login-orb{
  position:absolute;
  border-radius:50%;
  pointer-events:none;
  z-index:-1;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 0 40px rgba(56,189,248,.12) inset;
}
.orb-one{width:22px;height:22px;left:13%;top:24%;animation:orbDrift 7s ease-in-out infinite}
.orb-two{width:12px;height:12px;left:51%;top:18%;animation:orbDrift 5.5s ease-in-out infinite reverse}
.orb-three{width:30px;height:30px;left:67%;bottom:18%;animation:orbDrift 9s ease-in-out infinite}
.login-card{
  position:relative;
  overflow:hidden;
  width:min(430px,92vw);
  padding:31px;
  background:linear-gradient(135deg,rgba(255,255,255,.70),rgba(255,255,255,.48));
  border:1px solid rgba(255,255,255,.72);
  box-shadow:0 30px 90px rgba(2,25,43,.38),0 8px 30px rgba(14,165,233,.10),inset 0 1px 0 rgba(255,255,255,.75);
  backdrop-filter:blur(22px) saturate(135%);
  -webkit-backdrop-filter:blur(22px) saturate(135%);
  animation:loginCardIn .75s cubic-bezier(.2,.75,.25,1) both,loginCardFloat 7s ease-in-out 1s infinite;
}
.login-card:before{
  content:'';
  position:absolute;
  width:180px;height:180px;
  right:-90px;top:-90px;
  border-radius:50%;
  background:rgba(14,165,233,.13);
  filter:blur(4px);
  pointer-events:none;
}
.login-card:after{
  content:'';
  position:absolute;
  left:-35%;top:0;
  width:30%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-18deg);
  animation:cardSweep 7s ease-in-out 1.5s infinite;
  pointer-events:none;
}
.login-brand-row,.login-welcome,.login-form,.login-foot,.login-card .alert{position:relative;z-index:1}
.login-brand-mark{
  background:linear-gradient(135deg,rgba(2,132,199,.95),rgba(14,165,233,.72));
  border:1px solid rgba(255,255,255,.55);
  box-shadow:0 10px 25px rgba(2,132,199,.25),inset 0 1px 0 rgba(255,255,255,.5);
  animation:markPulse 3.5s ease-in-out infinite;
}
.login-brand-mark span{font-size:24px;font-weight:900;letter-spacing:-1px}
.login-form input{
  background:rgba(255,255,255,.57);
  border-color:rgba(255,255,255,.70);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.5);
}
.login-form input:hover{background:rgba(255,255,255,.70);border-color:rgba(255,255,255,.9)}
.login-form input:focus{background:rgba(255,255,255,.88);border-color:#0ea5e9;box-shadow:0 0 0 4px rgba(14,165,233,.14),0 8px 20px rgba(14,165,233,.08)}
.login-form .btn.full{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 10px 24px rgba(2,132,199,.24);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.login-form .btn.full:after{
  content:'';position:absolute;inset:0;left:-110%;
  width:65%;transform:skewX(-20deg);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.38),transparent);
  animation:buttonShine 4.5s ease-in-out 2s infinite;
}
.login-form .btn.full:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(2,132,199,.30);filter:saturate(1.08)}
.login-foot{border-top-color:rgba(255,255,255,.45)}
@keyframes loginCardIn{from{opacity:0;transform:translateY(22px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes loginCardFloat{0%,100%{translate:0 0}50%{translate:0 -5px}}
@keyframes loginOverlay{from{opacity:.85}to{opacity:1}}
@keyframes loginShine{0%,60%{background-position:180% 0}100%{background-position:-40% 0}}
@keyframes cardSweep{0%,45%{left:-35%;opacity:0}55%{opacity:1}75%,100%{left:125%;opacity:0}}
@keyframes buttonShine{0%,55%{left:-110%;opacity:0}65%{opacity:1}82%,100%{left:150%;opacity:0}}
@keyframes markPulse{0%,100%{transform:translateY(0);box-shadow:0 10px 25px rgba(2,132,199,.25),inset 0 1px 0 rgba(255,255,255,.5)}50%{transform:translateY(-2px);box-shadow:0 14px 30px rgba(2,132,199,.32),inset 0 1px 0 rgba(255,255,255,.65)}}
@keyframes loginFloat{0%,100%{transform:translate3d(0,0,0) rotate(0)}50%{transform:translate3d(20px,-18px,0) rotate(6deg)}}
@keyframes orbDrift{0%,100%{transform:translate(0,0);opacity:.55}50%{transform:translate(18px,-24px);opacity:1}}
@media(prefers-reduced-motion:reduce){.login-page:before,.login-page:after,.login-card,.login-shell:before,.login-shell:after,.login-orb,.login-brand-mark,.login-form .btn.full:after{animation:none!important}.login-card{translate:0 0!important}}
@media(max-width:900px){
  .login-page{background-attachment:scroll}
  .login-page:before{background:radial-gradient(circle at 50% 20%,rgba(14,165,233,.20),transparent 34%),linear-gradient(180deg,rgba(3,25,42,.14),rgba(3,25,42,.48))}
  .login-shell{justify-content:center;padding:28px 18px}
}
@media(max-width:560px){
  .login-page{background-position:58% center}
  .login-shell{padding:18px 14px}
  .login-card{width:100%;max-width:430px;padding:23px 20px;border-radius:22px}
  .login-shell:before{width:170px;height:170px;left:-55px;top:8%}
  .login-shell:after{width:120px;height:120px;left:auto;right:-35px;bottom:8%}
  .orb-one{left:7%;top:17%}.orb-two{left:auto;right:13%;top:12%}.orb-three{left:auto;right:8%;bottom:19%}
}

/* v1.30 — Create Exam form polish */
.create-exam-panel{
  padding:0;
  overflow:hidden;
  border-radius:20px;
  border:1px solid #d9e8f1;
  box-shadow:0 12px 34px rgba(23,75,104,.09);
}
.create-exam-header{
  display:flex;
  align-items:center;
  gap:15px;
  padding:24px 26px 20px;
  background:linear-gradient(135deg,#fafdff 0%,#eef9ff 100%);
}
.create-exam-icon{
  width:46px;
  height:46px;
  flex:0 0 46px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg,#0284c7,#0ea5e9);
  color:#fff;
  font-size:25px;
  font-weight:700;
  box-shadow:0 8px 20px rgba(14,165,233,.22);
}
.create-exam-header h2{margin:0;color:#123a59;font-size:19px;letter-spacing:-.2px}
.create-exam-header p{margin:5px 0 0;color:#70899e;font-size:12px;line-height:1.5}
.create-divider{height:1px;background:#e6eff4}
.create-exam-form{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 20px;
  padding:24px 26px 22px;
}
.create-field{min-width:0}
.create-field-wide{grid-column:1/-1}
.create-field label{
  display:flex;
  align-items:center;
  gap:3px;
  margin:0 0 8px;
  color:#244a64;
  font-size:12px;
  font-weight:750;
}
.create-field label span,.create-required span{color:#ef4444}
.create-field input,.create-field select{
  width:100%;
  height:46px;
  box-sizing:border-box;
  border:1px solid #cbdde9;
  border-radius:11px;
  padding:0 13px;
  background:#fff;
  color:#173a55;
  outline:none;
  font:inherit;
  font-size:13px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.create-field input::placeholder{color:#a0afba}
.create-field input:hover,.create-field select:hover{border-color:#a9c9da}
.create-field input:focus,.create-field select:focus{
  border-color:#0ea5e9;
  box-shadow:0 0 0 4px rgba(14,165,233,.11);
  background:#fff;
}
.create-field small{
  display:block;
  margin-top:6px;
  color:#8aa0b0;
  font-size:10.5px;
  line-height:1.4;
}
.input-with-suffix{position:relative}
.input-with-suffix input{padding-right:68px}
.input-with-suffix span{
  position:absolute;
  right:13px;
  top:50%;
  transform:translateY(-50%);
  color:#7890a4;
  font-size:12px;
  font-weight:600;
  pointer-events:none;
}
.create-form-footer{
  grid-column:1/-1;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:15px;
  padding-top:4px;
  border-top:1px solid #edf3f7;
}
.create-required{color:#8196a6;font-size:11px}
.create-submit{
  min-width:145px;
  height:44px;
  border-radius:11px;
  font-size:13px;
}
.create-submit span{font-size:17px;line-height:1}
@media(max-width:700px){
  .create-exam-form{grid-template-columns:1fr;padding:20px 18px}
  .create-field-wide{grid-column:auto}
  .create-form-footer{grid-column:auto;align-items:stretch;flex-direction:column-reverse}
  .create-submit{width:100%}
  .create-exam-header{padding:20px 18px 17px}
}
@media(max-width:430px){
  .create-exam-header{gap:11px}
  .create-exam-icon{width:40px;height:40px;flex-basis:40px;border-radius:12px;font-size:22px}
  .create-exam-header h2{font-size:17px}
}

/* v1.33 — Topbar compact satu baris untuk desktop & mobile */
.topbar{
  min-width:0;
  flex-wrap:nowrap;
}
.topbrand{
  min-width:0;
  flex:0 1 auto;
  white-space:nowrap;
  line-height:1;
}
.topbrand a{
  white-space:nowrap;
}
.topright{
  flex:0 0 auto;
  white-space:nowrap;
  flex-wrap:nowrap;
}
.topright a,
.topright .user-link{
  white-space:nowrap;
}

@media(max-width:600px){
  .topbar{
    height:56px;
    padding:0 10px;
    gap:7px;
  }
  .hamburger{
    flex:0 0 38px;
    width:38px;
    height:38px;
    border-radius:9px;
    font-size:19px;
  }
  .topbrand{
    font-size:15px;
    letter-spacing:-.25px;
  }
  .topright{
    margin-left:auto;
    gap:8px;
    font-size:11px;
  }
  .topright .user-link{
    font-size:11px;
    font-weight:700;
    gap:3px;
  }
  .topright span{display:none!important}
}

@media(max-width:380px){
  .topbar{padding:0 7px;gap:5px}
  .hamburger{flex-basis:36px;width:36px;height:36px}
  .topbrand{font-size:14px}
  .topright{gap:6px;font-size:10px}
  .topright .user-link{font-size:10px}
}

/* Bootstrap Icons — unified icon system v1.34 */
.bi {
  display: inline-block;
  vertical-align: -0.125em;
  line-height: 1;
  font-size: 1em;
  flex: 0 0 auto;
}
.sidebar nav a > .bi { width: 1.35rem; text-align: center; }
.topbar .bi, .btn .bi, .page-title .bi, .panel-head .bi { margin-right: .25rem; }