/* TAAS GROUP OF SCHOOLS — CBT Exams styles
   Maroon #6B0F1A + Cream #FFF8E7. No frameworks.
   Big touch targets for students / teachers. */

:root{
  --maroon:#6B0F1A;
  --maroon-dark:#4e0a12;
  --cream:#FFF8E7;
  --white:#ffffff;
  --ink:#2b1416;
  --muted:#7d6363;
  --line:#eadfc2;
  --radius:16px;
  --shadow:0 6px 24px rgba(107,15,26,.12);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--cream);
  color:var(--ink);
  font-size:17px;
  line-height:1.5;
}

/* --- Header --- */
.top-header{
  background:var(--maroon);
  color:#fff;
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  position:sticky;
  top:0;
  z-index:10;
}
.brand{display:flex;align-items:center;gap:12px}
.monogram{
  width:48px;height:48px;flex:0 0 48px;
  border-radius:50%;
  background:var(--maroon);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:26px;
}
.top-header .monogram{background:var(--cream);color:var(--maroon)}
.brand h1{font-size:17px;margin:0;letter-spacing:.5px;line-height:1.2}
.brand p{margin:0;font-size:14px;opacity:.9}
.teacher-link{
  color:var(--maroon);background:var(--cream);
  padding:12px 18px;border-radius:999px;
  font-weight:700;text-decoration:none;font-size:15px;
  min-height:48px;display:inline-flex;align-items:center;
}

/* --- Layout --- */
.wrap{max-width:860px;margin:0 auto;padding:20px 16px 60px}
.page-title{color:var(--maroon);font-size:24px;margin:10px 0 4px}
.subtitle{color:var(--muted);margin:0 0 18px}

/* --- Exam cards (students) --- */
.exam-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.exam-grid{grid-template-columns:1fr 1fr}}
.exam-card{
  background:var(--white);
  border:2px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
}
.exam-card h2{margin:0 0 14px;font-size:20px;color:var(--maroon)}

/* --- Buttons: big touch targets --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:56px;padding:14px 22px;
  border-radius:12px;border:0;
  font-size:18px;font-weight:800;
  cursor:pointer;text-decoration:none;
  width:100%;
}
.btn-primary{background:var(--maroon);color:#fff}
.btn-primary:active{background:var(--maroon-dark)}
.btn-secondary{background:#fff;color:var(--maroon);border:2px solid var(--maroon);width:auto}
.btn-danger{background:#fff;color:#a11212;border:2px solid #e5aaaa;min-height:48px;font-size:16px;width:auto;padding:10px 16px}
.back-link{
  color:#fff;text-decoration:none;font-weight:700;
  background:rgba(255,255,255,.18);
  padding:10px 16px;border-radius:999px;
  min-height:44px;display:inline-flex;align-items:center;
}

/* --- Modal (rules popup) --- */
.modal-backdrop{
  position:fixed;inset:0;
  background:rgba(43,10,14,.6);
  display:flex;align-items:center;justify-content:center;
  padding:18px;z-index:50;
}
.modal-backdrop[hidden]{display:none}
.modal{
  background:#fff;border-radius:20px;
  max-width:520px;width:100%;
  padding:28px 22px;text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.3);
}
.modal-badge{
  width:64px;height:64px;border-radius:50%;
  background:var(--maroon);color:#fff;
  font-size:32px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 12px;
}
.modal h2{color:var(--maroon);margin:0 0 10px}
.rules-list{text-align:left;margin:0 0 20px;padding-left:22px;font-size:16px}
.rules-list li{margin-bottom:8px}

/* --- States --- */
.empty,.notice{
  background:#fff;border:2px dashed var(--line);
  border-radius:var(--radius);padding:22px;text-align:center;
}
.notice{background:#fffbeF;border-style:solid;color:#5c4a00;margin-top:14px;font-size:15px}

/* --- Exam fullscreen page --- */
body.exam-mode{overflow:hidden;background:#000}
.exam-topbar{
  height:52px;background:var(--maroon);color:#fff;
  display:flex;align-items:center;gap:10px;
  padding:0 10px;
}
.exam-topbar .title{flex:1;font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.exam-topbar .fs-btn{
  background:#fff;color:var(--maroon);border:0;border-radius:999px;
  font-weight:800;padding:10px 16px;min-height:44px;cursor:pointer;font-size:14px;
}
.exam-frame{width:100vw;height:calc(100dvh - 52px);border:0;display:block;background:#fff}
.exam-center{min-height:60vh;display:flex;align-items:center;justify-content:center;padding:24px}

/* --- Site lock: blur list behind gate --- */
body.site-locked .wrap{filter:blur(8px);pointer-events:none;user-select:none}
.field.left{text-align:left}

/* --- Password + error (maroon/cream, big touch targets) --- */
.pw-input{
  width:100%;font-size:19px;padding:16px 14px;
  min-height:56px;border:2px solid var(--line);border-radius:12px;
  background:#fffdf4;color:var(--ink);
}
.pw-input:focus{outline:3px solid rgba(107,15,26,.25);border-color:var(--maroon)}
.error{
  background:#fdecec;color:var(--maroon);
  border:2px solid #e5aaaa;border-radius:12px;
  padding:12px 14px;font-weight:700;font-size:16px;margin:0 0 14px;
}
.btn[disabled]{opacity:.5;cursor:not-allowed}
#save-notice{font-weight:700}

/* --- Admin --- */
.card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:2px solid var(--line);margin-bottom:18px}
.card h2{margin:0 0 12px;color:var(--maroon);font-size:20px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:800;color:var(--maroon);margin-bottom:8px;font-size:17px}
.field input[type="text"],.field input[type="url"],.field input[type="password"]{
  width:100%;font-size:18px;padding:16px 14px;
  border:2px solid var(--line);border-radius:12px;background:#fffdf4;
}
.field input:focus{outline:3px solid rgba(107,15,26,.25);border-color:var(--maroon)}
.check-row{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:700;margin:6px 0 16px}
.check-row input{width:28px;height:28px;accent-color:var(--maroon)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.admin-item{display:flex;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.admin-item:first-of-type{border-top:0}
.admin-item .info{flex:1;min-width:0}
.admin-item .info strong{display:block;font-size:17px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.admin-item .info small{color:var(--muted);word-break:break-all}
.icon-btn{min-height:48px;min-width:48px;padding:10px 14px;border-radius:10px;border:2px solid var(--line);background:#fff;font-weight:700;cursor:pointer;font-size:15px}
/* simple toggle */
.switch{position:relative;width:60px;height:34px;flex:0 0 60px}
.switch input{opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.slider{position:absolute;inset:0;background:#d9cfae;border-radius:999px;pointer-events:none}
.slider::after{content:"";position:absolute;top:3px;left:3px;width:28px;height:28px;border-radius:50%;background:#fff;transition:left .15s}
.switch input:checked + .slider{background:var(--maroon)}
.switch input:checked + .slider::after{left:29px}
.gate{max-width:440px;margin:8vh auto}