* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu;
}

body {
  background: #f1f5f9;
}

/* Overlay */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  z-index: 9999;
}

/* Popup Box */
.popup-box {
  background: #ffffff;
  width: 100%;
  max-width: 420px;
  border-radius: 16px;
  padding: 22px;
  animation: pop 0.25s ease;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

@keyframes pop {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.popup-header {
  font-size: 18px;
  font-weight: 700;
  color: #dc2626;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.popup-content {
  font-size: 14px;
  color: #334155;
  line-height: 1.6;
}

.popup-content p {
  margin-bottom: 6px;
}

.warning {
  color: #b91c1c;
  font-weight: 600;
}

.start-btn {
  margin-top: 18px;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: #2563eb;
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}

.start-btn:active {
  transform: scale(0.98);
  background: #1d4ed8;
}

/* Main page placeholder */
.exam-container {
  padding: 20px;
  text-align: center;
  color: #0f172a;
}

/* Mobile polish */
@media (max-width: 420px) {
  .popup-box {
    padding: 18px;
    border-radius: 14px;
  }
  .popup-content {
    font-size: 13px;
  }
  .start-btn {
    font-size: 14px;
    padding: 13px;
  }
}

/* student detail popup */
.student-box input {
  width: 100%;
  padding: 12px;
  margin-bottom: 14px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 15px;
}

.student-box {
  max-width: 400px;
}

/* mobile friendly */
@media (max-width: 600px) {
  .student-box {
    width: 92%;
  }
}
/* exam box css student side exam box */

/* ===== HEADER CLEAN PROFESSIONAL ===== */
.exam-header {
  background: #ffffff;
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.exam-title h2 {
  font-size: 16px;
  color: #0f172a;
  margin-bottom: 2px;
}

.exam-title p {
  font-size: 12px;
  color: #64748b;
}

.exam-stats {
  display: flex;
  gap: 8px;
  align-items: center;
}

.exam-stats div {
  background: #f8fafc;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  color: #334155;
  font-weight: 600;
}

/* ===== FORCE MOBILE HEADER FIX ===== */
@media (max-width: 600px) {
  .exam-header {
    position: fixed !important; /* pura top pe chipka */
    top: 0;
    left: 0;
    width: 100%; /* full mobile width */
    margin: 0 !important;
    padding: 6px 8px !important; /* height kam */
    z-index: 999;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  /* andar ka content chota */
  .exam-title h2 {
    font-size: 15px !important;
  }

  .exam-title p {
    font-size: 11px !important;
  }

  .exam-stats div {
    font-size: 11px !important;
    padding: 6px !important;
  }

  #timerBox {
    font-size: 12px !important;
    padding: 6px !important;
  }

  .exam-container {
    padding-top: 60px;
  }

  .exam-footer {
    background: transparent;
  }
}

.exam-title i {
  font-size: 22px;
  color: #2563eb;
}

#timerBox {
  font-weight: bold;
  color: #dc2626;
  margin-top: 4px;
}

/* ===== QUESTION AREA ===== */
.question-area {
  padding: 18px;
  max-width: 900px;
  margin: auto;
}

.question-card {
  background: white;
  padding: 20px;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.q-number {
  font-size: 14px;
  color: #2563eb;
  font-weight: 600;
  margin-bottom: 10px;
}

.q-text {
  font-size: 16px;
  color: #0f172a;
  margin-bottom: 18px;
  line-height: 1.6;
}

/* OPTIONS */
.options {
  display: grid;
  gap: 12px;
}

.option-btn {
  padding: 12px;
  border-radius: 10px;
  border: 2px solid #e2e8f0;
  background: #f8fafc;
  cursor: pointer;
  text-align: left;
  transition: 0.2s;
  font-size: 14px;
}

.option-btn:hover {
  border-color: #2563eb;
  background: #eff6ff;
}

.option-btn.selected {
  border-color: #16a34a;
  background: #dcfce7;
}

/* ===== FOOTER ===== */
.exam-footer {
  position: sticky;
  bottom: 0;
  background: white;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
}

.nav-btn {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  cursor: pointer;
}

.nav-btn.primary {
  background: #2563eb;
  color: white;
}

.nav-btn.secondary {
  background: #e2e8f0;
}

.nav-btn.warn {
  background: #facc15;
}

/* ===== MOBILE ===== */
@media (max-width: 600px) {
  .exam-title h2 {
    font-size: 16px;
  }
  .q-text {
    font-size: 15px;
  }
}

.q-meta {
  display: flex;
  gap: 15px;
  margin-top: 10px;
  font-size: 13px;
  color: #64748b;
}
.attempt-box {
  max-width: 340px;
  animation: pop 0.25s ease;
  border-top: 5px solid #f59e0b;
}

.attempt-box .popup-header {
  background: #fff7ed;
  color: #92400e;
  font-weight: 600;
}

.attempt-box .popup-content {
  font-size: 14px;
  color: #444;
}

.attempt-box .start-btn {
  background: #f59e0b;
}

.attempt-box .start-btn:hover {
  background: #d97706;
}
/* question timer css */

.q-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: white;
  padding: 8px 14px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 8px 18px rgba(99, 102, 241, 0.25);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
  }
}

.q-timer i {
  font-size: 14px;
}

#qTimer {
  letter-spacing: 1px;
}
/* total exam timer */
#timerBox {
  background: linear-gradient(135deg, #ff6a00, #ee0979);
  color: #fff;
  padding: 8px 14px;
  border-radius: 30px;
  font-weight: 600;
  letter-spacing: 1px;
  animation: pulseTimer 1s infinite alternate;
}

#timerBox i {
  margin-right: 6px;
}

@keyframes pulseTimer {
  from {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.2);
  }
  to {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(238, 9, 121, 0.35);
  }
}

.exam-stats div {
  background: #f1f5ff;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 14px;
}

/* REFRESH POPUP */
.refresh-box {
  background: linear-gradient(135deg, #ff4d4d, #ff1a1a);
  color: white;
  padding: 30px 25px;
  border-radius: 12px;
  max-width: 350px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  animation: popupOpen 0.4s ease;
}

.refresh-box .popup-header {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 15px;
}

.refresh-box .popup-content {
  font-size: 14px;
  line-height: 1.5;
}

@keyframes popupOpen {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Anti Cheat Blur Overlay */
.anti-overlay {
  position: fixed;
  inset: 0;
  backdrop-filter: blur(8px);
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99999;
}

.anti-box {
  background: #fff;
  width: 90%;
  max-width: 380px;
  padding: 25px;
  border-radius: 14px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  animation: pop 0.25s ease;
}

.anti-box h2 {
  margin: 0 0 10px;
  color: #dc2626;
}

.anti-box p {
  font-size: 14px;
  color: #444;
  margin-bottom: 15px;
}

.anti-timer {
  font-size: 28px;
  font-weight: 700;
  color: #111;
}

@keyframes pop {
  from {
    transform: scale(0.85);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}
/* student qn img popup */
/* small preview */
.q-img-preview {
  margin-top: 10px;
}
.q-img-preview img {
  width: 90px;
  height: 70px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid #ddd;
}

/* popup full screen */
.img-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  flex-direction: column;
  padding: 15px;
}

.img-popup img {
  max-width: 95%;
  max-height: 85%;
  border-radius: 10px;
}

.img-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 26px;
  color: white;
  cursor: pointer;
}