/* ===================================================
   EKXAM.COM - Maharashtra Scholarship Practice Portal
   Main Stylesheet
   =================================================== */

/* --- Variables (No external font CDN – works fully offline) --- */
:root {
  --primary:       #1a237e;
  --primary-light: #283593;
  --primary-dark:  #0d1454;
  --accent:        #ff6f00;
  --accent-light:  #ffa000;
  --success:       #2e7d32;
  --danger:        #c62828;
  --warning:       #f57f17;
  --info:          #0277bd;
  --light-bg:      #f0f4ff;
  --card-shadow:   0 4px 20px rgba(26,35,126,0.10);
  --radius:        12px;
  --font-main:     'Segoe UI', Arial, sans-serif;
  --font-marathi:  'Segoe UI', Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-main);
  background: #f8f9ff;
  color: #212121;
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }

/* ===== NAVBAR ===== */
.ekxam-navbar {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  padding: 0 24px;
  box-shadow: 0 3px 15px rgba(0,0,0,0.25);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.ekxam-navbar .navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff !important;
  letter-spacing: 1px;
  padding: 4px 8px;
}
.ekxam-navbar .navbar-brand span { color: var(--accent-light); }
.ekxam-navbar .navbar-brand {
  flex: 1 1 auto;
  min-width: 0;         /* allow brand to shrink so hamburger never overflows */
  overflow: hidden;
}
.ekxam-navbar .navbar-brand .brand-logo {
  height: 60px;
  width: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
}
.ekxam-navbar .navbar-toggler { flex-shrink: 0; }

/* Mobile / tablet – keep hamburger on the same row as the logo */
@media (max-width: 991px) {
  .ekxam-navbar .container-fluid { flex-wrap: nowrap; }
  .ekxam-navbar .navbar-brand {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    margin-right: 8px;
  }
  .ekxam-navbar .navbar-brand .brand-logo { height: 50px; max-width: 100%; }
}
/* Small tablet / large phone */
@media (max-width: 767px) {
  .ekxam-navbar .navbar-brand .brand-logo { height: 42px; }
}
/* Phone */
@media (max-width: 480px) {
  .ekxam-navbar .navbar-brand .brand-logo { height: 36px; }
  .ekxam-navbar { padding: 0 10px; }
  .ekxam-navbar .navbar-toggler { padding: 4px 8px; }
}
.ekxam-navbar .nav-link {
  color: rgba(255,255,255,0.88) !important;
  font-weight: 500;
  padding: 8px 14px !important;
  border-radius: 6px;
  transition: all .2s;
}
.ekxam-navbar .nav-link:hover {
  color: #fff !important;
  background: rgba(255,255,255,0.12);
}
.ekxam-navbar .btn-login {
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
  font-weight: 600;
  padding: 7px 20px !important;
  transition: background .2s;
}
.ekxam-navbar .btn-login:hover { background: var(--accent-light); }
.ekxam-navbar .btn-register {
  background: #fff;
  color: var(--primary) !important;
  border-radius: 8px;
  font-weight: 700;
  padding: 7px 20px !important;
  margin-left: 8px;
  transition: all .2s;
}
.ekxam-navbar .btn-register:hover { background: var(--light-bg); }

/* ── Desktop: show #mainNav (Bootstrap collapse class removed) ── */
#mainNav {
  display: flex;
  flex-grow: 1;
  align-items: center;
}

/* ── Mobile navbar collapse fix ── */
@media (max-width: 991.98px) {
  /* Hide menu by default on mobile – overrides desktop flex rule */
  #mainNav {
    display: none;
    width: 100%;
    flex-grow: unset;
  }
  #mainNav:not(.show) {
    display: none !important;
  }
  /* Show when toggled */
  #mainNav.show {
    display: block !important;
    background: rgba(13, 20, 84, 0.98);
    border-top: 1px solid rgba(255,255,255,0.12);
    padding: 10px 8px 14px;
    border-radius: 0 0 14px 14px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    animation: slideDown 0.25s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  #mainNav .navbar-nav {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 2px !important;
    padding: 0;
  }
  #mainNav .nav-item { width: 100%; }
  #mainNav .nav-link {
    padding: 11px 16px !important;
    width: 100%;
    display: block;
    border-radius: 8px !important;
  }
  #mainNav .btn-login,
  #mainNav .btn-register {
    display: block;
    width: calc(100% - 0px);
    text-align: center;
    margin: 4px 0 !important;
    padding: 10px 16px !important;
  }
  #mainNav .lang-toggle-btn {
    margin: 8px 0 !important;
    align-self: flex-start;
  }
  /* Hamburger icon size on mobile */
  .navbar-toggler {
    padding: 6px 10px;
    border-radius: 6px;
    background: rgba(255,255,255,0.12) !important;
  }
  .navbar-toggler:hover {
    background: rgba(255,255,255,0.22) !important;
  }
  .navbar-toggler .fa-bars {
    font-size: 1.2rem !important;
  }
}

/* ===== AD BANNERS ===== */
.ad-banner-top {
  background: #fff;
  border-bottom: 2px solid #e3e8ff;
  text-align: center;
  padding: 10px;
}
.ad-placeholder {
  background: linear-gradient(135deg, #e8eaf6 0%, #e3f2fd 100%);
  border: 2px dashed #9fa8da;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5c6bc0;
  font-weight: 600;
  font-size: 0.85rem;
}
.ad-leaderboard { width: 100%; max-width: 728px; height: 90px; margin: 0 auto; }
.ad-rectangle { width: 300px; height: 250px; }
.ad-mobile { width: 100%; height: 50px; }
.ad-label { font-size: 0.65rem; color: #9e9e9e; text-align: center; margin-bottom: 2px; text-transform: uppercase; letter-spacing: 1px; }

/* ===== HERO SECTION ===== */
.hero-section {
  background: linear-gradient(135deg, var(--primary) 0%, #1565c0 50%, #0288d1 100%);
  padding: 60px 0 70px;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -60px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: rgba(255,111,0,0.12);
}
.hero-section h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.hero-section h1 span { color: var(--accent-light); }
.hero-section p { color: rgba(255,255,255,0.85); font-size: 1.05rem; margin-top: 14px; }
.hero-badges .badge {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  margin: 4px 3px;
  display: inline-block;
}
.hero-cta {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 14px 36px;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
  box-shadow: 0 4px 15px rgba(255,111,0,0.4);
  display: inline-block;
  margin-top: 20px;
}
.hero-cta:hover { background: var(--accent-light); transform: translateY(-2px); color: #fff; }
.hero-stats {
  display: flex;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.hero-stat {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  padding: 14px 20px;
  text-align: center;
  color: #fff;
  min-width: 110px;
}
.hero-stat .number { font-size: 1.8rem; font-weight: 800; color: var(--accent-light); }
.hero-stat .label { font-size: 0.72rem; opacity: 0.85; }

/* ===== SECTION STYLES ===== */
.section-title {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  margin-bottom: 8px;
}
.section-subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 36px;
  font-size: 0.95rem;
}
.section-divider {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 2px;
  margin: 8px auto 16px;
}

/* ===== EXAM CARDS (Homepage info cards) ===== */
.exam-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 0;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  height: 100%;
  border: 1px solid #e8eaf6;
}
.exam-card:hover { transform: translateY(-5px); box-shadow: 0 8px 30px rgba(26,35,126,0.18); }
.exam-card-header {
  padding: 18px 20px 14px;
  color: #fff;
  position: relative;
}
.exam-card-header.blue   { background: linear-gradient(135deg, #1a237e, #283593); }
.exam-card-header.green  { background: linear-gradient(135deg, #1b5e20, #2e7d32); }
.exam-card-header.orange { background: linear-gradient(135deg, #e65100, #ff6f00); }
.exam-card-header.purple { background: linear-gradient(135deg, #4a148c, #6a1b9a); }
.exam-card-header.teal   { background: linear-gradient(135deg, #004d40, #00695c); }
.exam-card-header.red    { background: linear-gradient(135deg, #b71c1c, #c62828); }
.exam-card-header .badge-class {
  position: absolute;
  top: 14px; right: 14px;
  background: rgba(255,255,255,0.25);
  color: #fff;
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.72rem;
  font-weight: 600;
}
.exam-card-header h5 { font-size: 1.05rem; font-weight: 700; margin-bottom: 3px; }
.exam-card-header p  { font-size: 0.78rem; opacity: 0.88; margin: 0; }
.exam-card-body { padding: 16px 20px; }
.exam-info-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid #f0f4ff;
  font-size: 0.83rem;
}
.exam-info-row:last-child { border-bottom: none; }
.exam-info-row .ei-label { color: #666; min-width: 100px; font-size: 0.78rem; }
.exam-info-row .ei-val   { font-weight: 600; color: #212121; }
.exam-info-row i         { color: var(--primary); width: 16px; }
.coming-soon-badge {
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  color: #fff;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
  margin-top: 12px;
  letter-spacing: 0.5px;
}

/* ===== LOGIN SECTION ===== */
.login-section {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f5e9 100%);
  padding: 50px 0;
  border-top: 3px solid var(--primary);
}
.login-box {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(26,35,126,0.15);
  padding: 40px;
  border-top: 4px solid var(--primary);
}
.login-box h3 {
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 6px;
}
.login-box .form-label { font-weight: 600; color: #424242; font-size: 0.88rem; }
.login-box .form-control {
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 0.9rem;
  transition: border-color .2s;
}
.login-box .form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,35,126,0.1); }
.btn-primary-custom {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  width: 100%;
  cursor: pointer;
  transition: all .2s;
}
.btn-primary-custom:hover { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); transform: translateY(-1px); }
.btn-accent-custom {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  width: 100%;
  cursor: pointer;
  transition: all .2s;
}
.btn-accent-custom:hover { opacity: 0.9; transform: translateY(-1px); }

/* ===== FEATURES SECTION ===== */
.feature-card {
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  border-top: 3px solid var(--primary);
  transition: transform .2s;
}
.feature-card:hover { transform: translateY(-4px); }
.feature-card .icon {
  width: 65px; height: 65px;
  border-radius: 50%;
  background: var(--light-bg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
  color: var(--primary);
}
.feature-card h5 { color: var(--primary); font-weight: 700; font-size: 1rem; margin-bottom: 8px; }
.feature-card p  { color: #666; font-size: 0.85rem; margin: 0; }

/* ===== FOOTER ===== */
.ekxam-footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: rgba(255,255,255,0.85);
  padding: 48px 0 0;
}
.ekxam-footer h5 { color: #fff; font-weight: 700; margin-bottom: 16px; }
.ekxam-footer ul { list-style: none; padding: 0; }
.ekxam-footer ul li { padding: 4px 0; font-size: 0.88rem; }
.ekxam-footer ul li a { color: rgba(255,255,255,0.75); transition: color .2s; }
.ekxam-footer ul li a:hover { color: var(--accent-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 16px 0;
  margin-top: 32px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
}

/* ===== REGISTER PAGE ===== */
.register-page {
  background: linear-gradient(135deg, var(--primary) 0%, #1565c0 100%);
  min-height: 100vh;
  padding: 40px 15px;
}
.register-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  overflow: hidden;
  max-width: 720px;
  margin: 0 auto;
}
.register-card-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 28px 32px;
  text-align: center;
  color: #fff;
}
.register-card-header h2 { font-weight: 800; font-size: 1.6rem; margin-bottom: 4px; }
.register-card-header p  { opacity: 0.85; font-size: 0.9rem; margin: 0; }
.register-card-body { padding: 32px; }

/* Step indicators */
.step-indicators {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin-bottom: 30px;
}
.step-dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #e0e0e0;
  color: #999;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
  transition: all .3s;
}
.step-dot.active  { background: var(--primary); color: #fff; box-shadow: 0 0 0 4px rgba(26,35,126,0.2); }
.step-dot.done    { background: var(--success); color: #fff; }
.step-line {
  flex: 1;
  height: 3px;
  background: #e0e0e0;
  max-width: 80px;
  transition: background .3s;
}
.step-line.done { background: var(--success); }
.step-label {
  font-size: 0.7rem;
  text-align: center;
  margin-top: 4px;
  color: #999;
  font-weight: 600;
}
.step-label.active { color: var(--primary); }
.step-block { display: flex; flex-direction: column; align-items: center; }

.form-section { display: none; }
.form-section.active { display: block; }
.form-section h4 { color: var(--primary); font-weight: 700; margin-bottom: 20px; font-size: 1rem; border-bottom: 2px solid var(--light-bg); padding-bottom: 10px; }

.form-floating .form-control, .form-floating .form-select {
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  transition: border-color .2s;
}
.form-floating .form-control:focus, .form-floating .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,35,126,0.1);
}
.otp-section {
  background: var(--light-bg);
  border-radius: 10px;
  padding: 20px;
  margin-top: 16px;
  border: 2px dashed #9fa8da;
}
.otp-display {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 8px;
  color: var(--primary);
  text-align: center;
  margin: 10px 0;
  background: #fff;
  border-radius: 8px;
  padding: 10px;
  border: 2px solid var(--primary);
}
.btn-nav {
  border-radius: 10px;
  padding: 11px 28px;
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all .2s;
}
.btn-nav-next { background: var(--primary); color: #fff; }
.btn-nav-next:hover { background: var(--primary-dark); }
.btn-nav-prev { background: #eceff1; color: #37474f; }
.btn-nav-prev:hover { background: #cfd8dc; }
.btn-submit-reg { background: linear-gradient(135deg, var(--success), #388e3c); color: #fff; width: 100%; padding: 14px; font-size: 1.05rem; }

/* ===== DASHBOARD ===== */
.dashboard-page { min-height: 100vh; background: #f0f4ff; }
.dashboard-navbar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 3px 15px rgba(0,0,0,0.2);
}
.dashboard-navbar .logo { color: #fff; font-weight: 800; font-size: 1.4rem; }
.dashboard-navbar .logo span { color: var(--accent-light); }
.dashboard-navbar .user-info { color: rgba(255,255,255,0.9); font-size: 0.88rem; }
.dashboard-navbar .user-info strong { color: #fff; }
.btn-logout {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  padding: 6px 16px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all .2s;
}
.btn-logout:hover { background: rgba(255,255,255,0.25); }

/* Points card */
.points-card {
  background: linear-gradient(135deg, var(--primary), #1565c0);
  border-radius: 20px;
  padding: 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(26,35,126,0.25);
}
.points-card::before {
  content: '★';
  position: absolute;
  right: 20px; top: 10px;
  font-size: 5rem;
  opacity: 0.08;
}
.points-card .total-points { font-size: 3.5rem; font-weight: 800; color: var(--accent-light); line-height: 1; }
.points-card .points-label { font-size: 0.9rem; opacity: 0.8; margin-bottom: 8px; }
.points-card .next-milestone { font-size: 0.82rem; opacity: 0.75; margin-top: 8px; }
.points-progress {
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  height: 10px;
  margin: 14px 0 6px;
  overflow: hidden;
}
.points-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-light), #fff176);
  border-radius: 10px;
  transition: width 1s ease;
}

/* Milestone badges */
.milestone-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.milestone-badge {
  background: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  text-align: center;
  border: 2px solid #e8eaf6;
  flex: 1;
  min-width: 100px;
  transition: all .2s;
}
.milestone-badge.earned {
  border-color: var(--accent);
  background: linear-gradient(135deg, #fff8e1, #fffde7);
}
.milestone-badge.earned .milestone-icon { color: var(--accent); }
.milestone-badge .milestone-icon { font-size: 1.6rem; display: block; margin-bottom: 4px; }
.milestone-badge .milestone-pts { font-size: 0.72rem; color: #666; font-weight: 600; }
.milestone-badge .milestone-name { font-size: 0.78rem; font-weight: 700; color: var(--primary); }

/* Paper cards (dashboard) */
.paper-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  border: 1px solid #e8eaf6;
  transition: all .25s;
  height: 100%;
}
.paper-card:hover { transform: translateY(-4px); box-shadow: 0 10px 35px rgba(26,35,126,0.18); }
.paper-card-top {
  padding: 18px 18px 14px;
  color: #fff;
  position: relative;
}
.paper-card-top.std5  { background: linear-gradient(135deg, #1a237e, #283593); }
.paper-card-top.std8  { background: linear-gradient(135deg, #004d40, #00695c); }
.paper-card-top .pnum { font-size: 0.72rem; opacity: 0.8; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.paper-card-top h5    { font-size: 1rem; font-weight: 700; margin: 4px 0; }
.paper-card-top .ptype { font-size: 0.78rem; opacity: 0.8; }
.paper-card-top .std-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,0.25);
  color: #fff;
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 700;
}
.paper-card-body { padding: 14px 18px; }
.paper-meta { display: flex; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.paper-meta span {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.78rem; color: #555;
}
.paper-meta i { color: var(--primary); font-size: 0.85rem; }
.paper-score-bar { margin-bottom: 12px; }
.paper-score-bar .score-label { font-size: 0.75rem; color: #666; margin-bottom: 4px; display: flex; justify-content: space-between; }
.paper-score-bar .progress { height: 7px; border-radius: 10px; background: #e8eaf6; }
.paper-score-bar .progress-bar { background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 10px; }
.btn-start-paper {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 0;
  font-size: 0.88rem;
  font-weight: 700;
  width: 100%;
  cursor: pointer;
  transition: all .2s;
}
.btn-start-paper:hover { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); }
.btn-start-paper.attempted {
  background: linear-gradient(135deg, var(--success), #388e3c);
}
.not-started-tag { color: #999; font-size: 0.75rem; margin-bottom: 8px; }
.score-tag { font-size: 0.78rem; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-bottom: 8px; display: inline-block; }
.score-tag.high  { background: #e8f5e9; color: var(--success); }
.score-tag.mid   { background: #fff3e0; color: var(--warning); }
.score-tag.low   { background: #ffebee; color: var(--danger); }

/* Welcome banner on dashboard */
.welcome-banner {
  background: linear-gradient(135deg, #e8f5e9, #f0f4ff);
  border-radius: 14px;
  padding: 20px 24px;
  border-left: 5px solid var(--primary);
  margin-bottom: 24px;
}
.welcome-banner h4 { color: var(--primary); font-weight: 700; margin-bottom: 4px; }
.welcome-banner p { color: #555; font-size: 0.88rem; margin: 0; }

/* Milestone popup */
.milestone-popup {
  position: fixed;
  top: 80px; right: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  z-index: 9999;
  max-width: 300px;
  animation: slideIn .4s ease;
  display: none;
}
.milestone-popup.show { display: block; }
@keyframes slideIn {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}
.milestone-popup h5 { font-weight: 800; font-size: 1rem; margin-bottom: 4px; }
.milestone-popup p  { font-size: 0.85rem; opacity: 0.9; margin: 0; }
.milestone-popup .popup-icon { font-size: 2rem; margin-bottom: 6px; display: block; }

/* ===== EXAM PAGE ===== */
.exam-page { min-height: 100vh; background: #f0f4ff; }
.exam-topbar {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: 0 3px 12px rgba(0,0,0,0.2);
  flex-wrap: wrap; gap: 10px;
}
.exam-topbar .exam-title { color: #fff; font-weight: 700; font-size: 1rem; }
.exam-topbar .exam-meta  { color: rgba(255,255,255,0.8); font-size: 0.8rem; }
.exam-timer {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 10px;
  padding: 8px 18px;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 2px;
  font-family: monospace;
  min-width: 100px;
  text-align: center;
}
.exam-timer.warning { background: rgba(255,111,0,0.3); border-color: var(--accent-light); color: var(--accent-light); }
.exam-timer.danger  { background: rgba(198,40,40,0.4); border-color: #ef9a9a; color: #ef9a9a; animation: blink 1s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

.exam-layout { display: grid; grid-template-columns: 1fr 260px; gap: 20px; padding: 24px; max-width: 1200px; margin: 0 auto; }
@media (max-width: 900px) {
  .exam-layout { grid-template-columns: 1fr; }
  .question-palette-panel { order: -1; }
}

/* Question area */
.question-panel {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}
.question-header {
  background: var(--light-bg);
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 2px solid #e8eaf6;
}
.question-header .q-number { font-size: 0.85rem; color: var(--primary); font-weight: 700; }
.question-header .q-section { font-size: 0.78rem; color: #666; }
.question-header .q-marks   { background: var(--primary); color: #fff; border-radius: 20px; padding: 3px 10px; font-size: 0.75rem; font-weight: 600; }
.question-body { padding: 28px 24px; }
.question-text { font-size: 1.05rem; font-weight: 600; color: #212121; line-height: 1.6; margin-bottom: 24px; }
.options-grid  { display: flex; flex-direction: column; gap: 12px; }
.option-btn {
  background: #fff;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  padding: 13px 18px;
  text-align: left;
  cursor: pointer;
  transition: all .2s;
  display: flex; align-items: center; gap: 12px;
  font-size: 0.92rem;
  font-family: var(--font-main);
  width: 100%;
}
.option-btn:hover { border-color: var(--primary); background: var(--light-bg); }
.option-btn.selected { border-color: var(--primary); background: #e8eaf6; }
.option-btn.correct  { border-color: var(--success); background: #e8f5e9; color: var(--success); }
.option-btn.wrong    { border-color: var(--danger); background: #ffebee; color: var(--danger); }
.option-btn.disabled { pointer-events: none; }
.option-label {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: #e8eaf6;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
  color: var(--primary);
}
.option-btn.selected .option-label { background: var(--primary); color: #fff; }
.option-btn.correct  .option-label { background: var(--success); color: #fff; }
.option-btn.wrong    .option-label { background: var(--danger);  color: #fff; }

/* Answer Logic Box */
.logic-box {
  background: linear-gradient(135deg, #e8f5e9, #f0f4ff);
  border: 2px solid #9fa8da;
  border-radius: 12px;
  padding: 18px 20px;
  margin-top: 20px;
  display: none;
}
.logic-box.show { display: block; animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.logic-box-title { font-weight: 700; color: var(--primary); font-size: 0.88rem; margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.logic-box p { font-size: 0.85rem; color: #424242; margin: 0; line-height: 1.7; }

/* Exam action buttons */
.exam-actions { padding: 16px 24px; border-top: 2px solid #f0f4ff; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.btn-logic {
  background: linear-gradient(135deg, #4a148c, #6a1b9a);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
}
.btn-logic:hover { opacity: 0.9; }
.btn-prev-q, .btn-next-q {
  background: #eceff1;
  color: #37474f;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.btn-prev-q:hover, .btn-next-q:hover { background: #cfd8dc; }
.btn-submit-exam {
  background: linear-gradient(135deg, var(--success), #388e3c);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
}
.btn-submit-exam:hover { opacity: 0.9; }

/* Question Palette */
.question-palette-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.palette-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--card-shadow);
  padding: 20px;
}
.palette-card h6 { font-weight: 700; color: var(--primary); margin-bottom: 14px; font-size: 0.88rem; }
.palette-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}
.palette-btn {
  width: 38px; height: 38px;
  border-radius: 8px;
  border: 2px solid #e0e0e0;
  background: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  color: #424242;
}
.palette-btn:hover     { border-color: var(--primary); background: var(--light-bg); }
.palette-btn.answered  { background: var(--primary); color: #fff; border-color: var(--primary); }
.palette-btn.current   { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255,111,0,0.25); }
.palette-legend { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: #555; }
.legend-dot {
  width: 16px; height: 16px;
  border-radius: 4px;
  flex-shrink: 0;
}
.legend-dot.answered  { background: var(--primary); }
.legend-dot.current   { border: 2px solid var(--accent); }
.legend-dot.unanswered { border: 2px solid #e0e0e0; }

/* Progress card in palette panel */
.exam-progress-card { background: #fff; border-radius: 14px; box-shadow: var(--card-shadow); padding: 18px; }
.exam-progress-card h6 { font-weight: 700; color: var(--primary); margin-bottom: 12px; font-size: 0.88rem; }
.progress-stat { display: flex; justify-content: space-between; font-size: 0.8rem; margin-bottom: 6px; }
.progress-stat .ps-label { color: #666; }
.progress-stat .ps-val   { font-weight: 700; color: var(--primary); }

/* Result Modal */
.result-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9990;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.result-overlay.show { display: flex; }
.result-modal {
  background: #fff;
  border-radius: 20px;
  padding: 0;
  max-width: 520px;
  width: 100%;
  overflow: hidden;
  animation: popUp .4s ease;
}
@keyframes popUp { from { opacity: 0; transform: scale(0.8); } to { opacity: 1; transform: scale(1); } }
.result-modal-header {
  padding: 32px;
  text-align: center;
  color: #fff;
}
.result-modal-header.excellent { background: linear-gradient(135deg, #1b5e20, #2e7d32); }
.result-modal-header.good      { background: linear-gradient(135deg, #1a237e, #283593); }
.result-modal-header.average   { background: linear-gradient(135deg, #e65100, #ff6f00); }
.result-modal-header.below     { background: linear-gradient(135deg, #4e342e, #6d4c41); }
.result-emoji { font-size: 4rem; display: block; margin-bottom: 8px; }
.result-modal-header h2 { font-weight: 800; font-size: 1.8rem; }
.result-modal-header p  { opacity: 0.85; font-size: 0.9rem; margin: 4px 0 0; }
.result-modal-body { padding: 28px 32px; }
.result-score-big { text-align: center; margin-bottom: 24px; }
.result-score-big .score-number { font-size: 3.5rem; font-weight: 800; color: var(--primary); line-height: 1; }
.result-score-big .score-denom  { font-size: 1.4rem; color: #999; }
.result-score-big .score-pct    { font-size: 1rem; color: #666; margin-top: 4px; }
.result-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 20px; }
.result-stat-box {
  text-align: center;
  padding: 14px 8px;
  border-radius: 10px;
}
.result-stat-box.correct { background: #e8f5e9; }
.result-stat-box.wrong   { background: #ffebee; }
.result-stat-box.skip    { background: #f5f5f5; }
.result-stat-box .rs-num   { font-size: 1.6rem; font-weight: 800; }
.result-stat-box.correct .rs-num { color: var(--success); }
.result-stat-box.wrong   .rs-num { color: var(--danger); }
.result-stat-box.skip    .rs-num { color: #757575; }
.result-stat-box .rs-label { font-size: 0.75rem; color: #666; font-weight: 600; }
.points-earned-banner {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  color: #fff;
  margin-bottom: 16px;
}
.points-earned-banner .pe-num { font-size: 2rem; font-weight: 800; }
.points-earned-banner .pe-label { font-size: 0.82rem; opacity: 0.9; }
.btn-back-dashboard {
  width: 100%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 13px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
}
.btn-back-dashboard:hover { opacity: 0.9; }

/* ===== UTILITY ===== */
.text-accent  { color: var(--accent); }
.text-primary-custom { color: var(--primary); }
.bg-light-blue { background: var(--light-bg); }
.rounded-custom { border-radius: var(--radius); }
.shadow-custom  { box-shadow: var(--card-shadow); }

/* Responsive */
@media (max-width: 768px) {
  .hero-section h1 { font-size: 1.7rem; }
  .hero-stats { gap: 10px; }
  .hero-stat { min-width: 90px; padding: 10px 14px; }
  .login-box { padding: 24px; }
  .exam-layout { padding: 14px; }
  .palette-grid { grid-template-columns: repeat(6,1fr); }
  .register-card-body { padding: 20px; }
  .result-stats { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 480px) {
  .ekxam-navbar .navbar-brand { font-size: 1.4rem; }
  .hero-section { padding: 40px 0 50px; }
  .palette-grid { grid-template-columns: repeat(7,1fr); }
}