/* css/exam.css — Worker exam page styles */

/* ── ANIMATED BACKGROUND ────────────────────────────────── */
body {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2347 0%, #1a3a6b 40%, #0d1f3c 100%);
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
  font-family: 'Tajawal', sans-serif;
  direction: rtl;
  overflow-x: hidden;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── PARTICLES ──────────────────────────────────────────── */
#particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(232,184,75,0.18);
  animation: floatUp linear infinite;
}

@keyframes floatUp {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-20vh) scale(1); opacity: 0; }
}

/* ── WRAPPER ────────────────────────────────────────────── */
#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

/* ── GLASS CARD ─────────────────────────────────────────── */
.glass-card {
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
  box-shadow: 0 8px 60px rgba(0,0,0,0.4);
  padding: 2.5rem;
  width: min(520px, 100%);
  color: #fff;
}

/* ── LOGO ───────────────────────────────────────────────── */
.logo-wrap {
  text-align: center;
  margin-bottom: 1.5rem;
  animation: logoGlow 2s ease-in-out infinite alternate;
}

.logo-wrap img {
  height: 72px;
  margin: 0 auto;
  filter: drop-shadow(0 0 18px rgba(232,184,75,0.5));
}

.logo-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px; height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 0 auto;
  box-shadow: 0 0 30px rgba(232,184,75,0.4);
}

@keyframes logoGlow {
  from { filter: drop-shadow(0 0 10px rgba(232,184,75,0.3)); }
  to   { filter: drop-shadow(0 0 28px rgba(232,184,75,0.7)); }
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent);
  margin-top: 0.6rem;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-top: 0.1rem;
}

/* ── SCREENS ────────────────────────────────────────────── */
.screen { display: none; }
.screen.active { display: block; animation: fadeIn 0.4s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── LOGIN SCREEN ───────────────────────────────────────── */
.screen-title {
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.5rem;
  color: #fff;
}

.input-group {
  position: relative;
  margin-bottom: 1.2rem;
}

.input-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-bottom: 0.4rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.09);
  border: 1.5px solid rgba(255,255,255,0.18);
  border-radius: 12px;
  color: #fff;
  font-size: 1rem;
  font-family: 'Tajawal', sans-serif;
  transition: border-color 0.2s, background 0.2s;
  direction: ltr;
  text-align: center;
  letter-spacing: 0.08em;
}

.input-group input::placeholder { color: rgba(255,255,255,0.35); }

.input-group input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.14);
}

/* Employee info slide-down */
.employee-info {
  background: rgba(232,184,75,0.1);
  border: 1px solid rgba(232,184,75,0.3);
  border-radius: 12px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.2rem;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.4s ease, padding 0.3s;
}

.employee-info.visible {
  max-height: 120px;
  opacity: 1;
}

.employee-info .emp-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
}

.employee-info .emp-dept {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  margin-top: 0.2rem;
}

/* ── EXAM SCREEN ────────────────────────────────────────── */
#exam-screen {
  max-width: 620px;
  width: 100%;
}

#exam-screen.glass-card {
  padding: 2rem;
}

/* Timer ring */
.timer-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.timer-ring-container {
  position: relative;
  width: 90px; height: 90px;
}

.timer-ring svg {
  transform: rotate(-90deg);
}

.timer-ring circle {
  fill: none;
  stroke-width: 6;
}

.timer-ring .track {
  stroke: rgba(255,255,255,0.12);
}

.timer-ring .progress {
  stroke: var(--accent);
  stroke-linecap: round;
  transition: stroke-dashoffset 1s linear, stroke 0.5s;
}

.timer-ring.warning .progress { stroke: var(--warning); }
.timer-ring.critical .progress { stroke: var(--danger); animation: pulseBeat 0.5s infinite; }

@keyframes pulseBeat {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

.timer-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  font-family: 'Inter', sans-serif;
}

/* Progress */
.exam-progress {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
}

.exam-progress .progress-bar-wrap { flex: 1; }
.exam-progress .progress-bar { background: var(--accent); }

/* Question card */
.question-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 1.3rem 1.5rem;
  margin-bottom: 1.2rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.question-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.question-number {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.question-category-badge {
  background: rgba(232,184,75,0.2);
  color: var(--accent);
  border-radius: 20px;
  padding: 0.1em 0.6em;
  font-size: 0.72rem;
}

.question-text {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.55;
}

/* Options */
.options-grid { display: flex; flex-direction: column; gap: 0.5rem; }

.option-btn {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1rem;
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-family: 'Tajawal', sans-serif;
  cursor: pointer;
  transition: all 0.18s ease;
  text-align: right;
}

.option-btn:hover {
  border-color: var(--accent);
  background: rgba(232,184,75,0.1);
  color: #fff;
}

.option-btn.selected {
  border-color: var(--accent);
  background: rgba(232,184,75,0.2);
  color: #fff;
  font-weight: 600;
}

.option-letter {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  flex-shrink: 0;
  transition: background 0.18s;
}
.option-btn.selected .option-letter {
  background: var(--accent);
  color: var(--primary-dark);
}

/* TF buttons */
.tf-grid { display: flex; gap: 0.75rem; }

.tf-btn {
  flex: 1;
  padding: 0.8rem;
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  font-weight: 700;
  font-family: 'Tajawal', sans-serif;
  cursor: pointer;
  transition: all 0.18s;
  text-align: center;
}
.tf-btn:hover { border-color: var(--accent); background: rgba(232,184,75,0.1); color: #fff; }
.tf-btn.selected { border-color: var(--accent); background: rgba(232,184,75,0.2); color: #fff; }
.tf-btn.tf-true:hover, .tf-btn.tf-true.selected { border-color: #1a7a4a; background: rgba(26,122,74,0.2); }
.tf-btn.tf-false:hover, .tf-btn.tf-false.selected { border-color: #c0392b; background: rgba(192,57,43,0.2); }

/* Exam nav */
.exam-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  gap: 0.75rem;
}

.unanswered-warning {
  background: rgba(230,126,34,0.15);
  border: 1px solid rgba(230,126,34,0.4);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  color: #f0a558;
  margin-top: 1rem;
  display: none;
}

/* ── RESULT SCREEN ──────────────────────────────────────── */
.result-card { text-align: center; }

.score-circle {
  width: 140px; height: 140px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  border: 6px solid rgba(255,255,255,0.12);
  position: relative;
  animation: scaleIn 0.5s cubic-bezier(0.34,1.56,0.64,1);
}

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

.score-circle.pass {
  border-color: #1a7a4a;
  background: rgba(26,122,74,0.15);
  box-shadow: 0 0 40px rgba(26,122,74,0.35);
}

.score-circle.fail {
  border-color: #c0392b;
  background: rgba(192,57,43,0.15);
  box-shadow: 0 0 40px rgba(192,57,43,0.25);
  animation: scaleIn 0.5s cubic-bezier(0.34,1.56,0.64,1), shake 0.5s 0.6s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-10px); }
  40%       { transform: translateX(10px); }
  60%       { transform: translateX(-8px); }
  80%       { transform: translateX(8px); }
}

.score-percent {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  color: #fff;
  line-height: 1;
}

.score-label { font-size: 0.78rem; color: rgba(255,255,255,0.6); margin-top: 0.2rem; }

.result-verdict {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.result-verdict.pass { color: #4ecb82; }
.result-verdict.fail { color: #e87070; }

.result-details {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1.5rem;
}

/* Confetti */
.confetti-container {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 999;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px; height: 14px;
  top: -20px;
  border-radius: 2px;
  animation: confettiFall linear forwards;
}

@keyframes confettiFall {
  to {
    transform: translateY(110vh) rotate(720deg);
    opacity: 0;
  }
}

/* ── BLOCK SCREEN ───────────────────────────────────────── */
.block-card { text-align: center; }

.block-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.08); }
}

.block-msg {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.7;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 540px) {
  .glass-card { padding: 1.5rem 1.2rem; border-radius: 18px; }
  .question-card { padding: 1rem; }
  .tf-btn { font-size: 0.95rem; }
}