/* ============================================================
   EMCQS - Main Stylesheet
   Theme: Green + Orange-Red
   ============================================================ */

:root {
  --primary:        #1b7f3a;
  --primary-dark:   #145e2b;
  --primary-light:  #d4edda;
  --secondary:      #e85c26;
  --secondary-dark: #c44a1a;
  --secondary-light:#fde8df;
  --accent:         #f7a51e;
  --dark:           #1a1a2e;
  --dark2:          #16213e;
  --gray:           #6c757d;
  --light:          #f8f9fa;
  --white:          #ffffff;
  --border:         #e0e0e0;
  --shadow:         0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover:   0 8px 32px rgba(0,0,0,0.14);
  --radius:         12px;
  --radius-sm:      8px;
  --transition:     all 0.3s ease;
  --font:           'Segoe UI', 'Roboto', sans-serif;
}

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

body {
  font-family: var(--font);
  background: #f4f6f8;
  color: #333;
  line-height: 1.7;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; }
ul { list-style: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.3; }
.text-primary-c  { color: var(--primary) !important; }
.text-secondary-c{ color: var(--secondary) !important; }
.bg-primary-c    { background: var(--primary) !important; }
.bg-secondary-c  { background: var(--secondary) !important; }

/* ============================================================
   NAVBAR
   ============================================================ */
.emcqs-navbar {
  background: var(--dark);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 15px rgba(0,0,0,0.3);
}

.navbar-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: #fff;
}

.brand-text span:first-child {
  display: block;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  letter-spacing: 1px;
}
.brand-text span:last-child {
  font-size: 11px;
  color: #aaa;
  letter-spacing: 0.5px;
}

.emcqs-navbar .nav-link {
  color: #ddd !important;
  font-weight: 500;
  padding: 8px 14px !important;
  border-radius: 6px;
  transition: var(--transition);
}
.emcqs-navbar .nav-link:hover,
.emcqs-navbar .nav-link.active {
  color: #fff !important;
  background: rgba(255,255,255,0.1);
}

.btn-nav-login {
  background: var(--secondary);
  color: #fff !important;
  border-radius: 20px !important;
  padding: 6px 18px !important;
}
.btn-nav-login:hover { background: var(--secondary-dark) !important; }

.btn-nav-register {
  background: var(--primary);
  color: #fff !important;
  border-radius: 20px !important;
  padding: 6px 18px !important;
}
.btn-nav-register:hover { background: var(--primary-dark) !important; }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 40%, #0f3460 100%);
  padding: 70px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27,127,58,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232,92,38,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-badge {
  display: inline-block;
  background: rgba(27,127,58,0.2);
  border: 1px solid rgba(27,127,58,0.4);
  color: #5dd687;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 52px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 18px;
}
.hero-title span { color: var(--secondary); }

.hero-subtitle {
  font-size: 18px;
  color: #bbb;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-stats {
  display: flex;
  gap: 30px;
  margin-top: 40px;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 28px;
  font-weight: 900;
  color: #fff;
}
.stat-label {
  font-size: 13px;
  color: #aaa;
}

.hero-search {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  padding: 8px 8px 8px 20px;
  display: flex;
  align-items: center;
  max-width: 500px;
  margin-bottom: 24px;
}
.hero-search input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 15px;
  flex: 1;
}
.hero-search input::placeholder { color: #888; }
.hero-search button {
  background: var(--secondary);
  border: none;
  color: #fff;
  padding: 10px 22px;
  border-radius: 40px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.hero-search button:hover { background: var(--secondary-dark); }

.hero-img-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(10px);
}

/* ============================================================
   COLOR RIBBON (Topics Strip)
   ============================================================ */
.ribbon-section {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary), var(--secondary), var(--secondary-dark));
  padding: 14px 0;
  overflow: hidden;
}

.ribbon-inner {
  display: flex;
  gap: 0;
  animation: ribbonScroll 30s linear infinite;
  white-space: nowrap;
}

.ribbon-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 20px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-right: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
  transition: var(--transition);
}
.ribbon-item:hover { background: rgba(255,255,255,0.15); }
.ribbon-item i { font-size: 16px; }

@keyframes ribbonScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   SECTION TITLES
   ============================================================ */
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--dark);
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}
.section-head h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}
.section-head p { color: var(--gray); margin-top: 10px; font-size: 15px; }

/* ============================================================
   EXAM BLOCKS (Main Subject Cards)
   ============================================================ */
.exams-section { padding: 60px 0; background: #fff; }

.exam-block {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  margin-bottom: 24px;
}
.exam-block:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.exam-block-header {
  padding: 18px 20px 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.exam-block-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
}
.exam-block-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
}
.exam-block-count {
  font-size: 12px;
  color: var(--gray);
  margin-top: 2px;
}

.exam-block-topics {
  padding: 0 0 14px;
  border-top: 1px solid var(--border);
}
.topic-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 20px;
  font-size: 13.5px;
  color: #444;
  border-bottom: 1px solid #f5f5f5;
  transition: var(--transition);
}
.topic-link:hover {
  background: var(--primary-light);
  color: var(--primary);
  padding-left: 26px;
}
.topic-link .mcq-count {
  font-size: 11px;
  background: #f0f0f0;
  color: var(--gray);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.exam-block-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: #fafafa;
}
.exam-block-footer a {
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.exam-block-footer a:hover { color: var(--secondary-dark); }

/* Exam color themes */
.exam-color-1 .exam-block-header { background: linear-gradient(135deg, #e8f5e9, #f1f8e9); border-bottom: 3px solid #1b7f3a; }
.exam-color-1 .exam-block-icon { background: #1b7f3a; }
.exam-color-2 .exam-block-header { background: linear-gradient(135deg, #fce4ec, #fdf6f8); border-bottom: 3px solid #c2185b; }
.exam-color-2 .exam-block-icon { background: #c2185b; }
.exam-color-3 .exam-block-header { background: linear-gradient(135deg, #e3f2fd, #f0f8ff); border-bottom: 3px solid #1565c0; }
.exam-color-3 .exam-block-icon { background: #1565c0; }
.exam-color-4 .exam-block-header { background: linear-gradient(135deg, #fff3e0, #fff8f0); border-bottom: 3px solid #e65100; }
.exam-color-4 .exam-block-icon { background: #e65100; }
.exam-color-5 .exam-block-header { background: linear-gradient(135deg, #ede7f6, #f9f6fe); border-bottom: 3px solid #4527a0; }
.exam-color-5 .exam-block-icon { background: #4527a0; }
.exam-color-6 .exam-block-header { background: linear-gradient(135deg, #e0f7fa, #f0fdff); border-bottom: 3px solid #00695c; }
.exam-color-6 .exam-block-icon { background: #00695c; }

/* ============================================================
   MCQ PAGE
   ============================================================ */
.mcq-section { padding: 40px 0; }

.breadcrumb-bar {
  background: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  flex-wrap: wrap;
}
.breadcrumb-bar a { color: var(--primary); }
.breadcrumb-bar span { color: var(--gray); }

.mcq-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.mcq-card:hover { box-shadow: var(--shadow-hover); }

.mcq-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.mcq-question {
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 18px;
  line-height: 1.6;
}

.mcq-options { display: grid; gap: 10px; }

.mcq-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}
.mcq-option:hover { border-color: var(--primary); background: var(--primary-light); }
.mcq-option.selected { border-color: var(--primary); background: var(--primary-light); }
.mcq-option.correct { border-color: #28a745; background: #d4edda; }
.mcq-option.wrong { border-color: #dc3545; background: #f8d7da; }

.option-label {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  transition: var(--transition);
}
.mcq-option:hover .option-label,
.mcq-option.selected .option-label { background: var(--primary); color: #fff; }
.mcq-option.correct .option-label { background: #28a745; color: #fff; }
.mcq-option.wrong .option-label { background: #dc3545; color: #fff; }

.option-text { font-size: 14.5px; color: #444; }

.mcq-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-discuss {
  background: var(--secondary);
  color: #fff;
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.btn-discuss:hover { background: var(--secondary-dark); color: #fff; }

.btn-bookmark {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--gray);
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.btn-bookmark:hover, .btn-bookmark.active {
  border-color: var(--accent);
  color: var(--accent);
  background: #fff8e1;
}

.explanation-box {
  background: #e8f5e9;
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 16px;
  margin-top: 14px;
  display: none;
}
.explanation-box.show { display: block; }
.explanation-box strong { color: var(--primary); }

/* ============================================================
   MCQ DETAIL PAGE
   ============================================================ */
.mcq-detail-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.social-share-bar {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  flex-wrap: wrap;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  transition: var(--transition);
}
.share-btn:hover { opacity: 0.88; color: #fff; transform: translateY(-2px); }
.share-fb { background: #1877f2; }
.share-tw { background: #1da1f2; }
.share-wa { background: #25d366; }
.share-tg { background: #0088cc; }
.share-li { background: #0a66c2; }

.discussion-section { margin-top: 30px; }
.discussion-section h4 { font-size: 18px; margin-bottom: 18px; color: var(--dark); }

.comment-card {
  background: #f8f9fa;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
  border-left: 3px solid var(--primary);
}
.comment-author { font-weight: 700; font-size: 14px; color: var(--primary); }
.comment-time { font-size: 12px; color: var(--gray); }
.comment-text { font-size: 14px; margin-top: 6px; }

.comment-form { margin-top: 20px; }
.comment-form textarea {
  width: 100%;
  padding: 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  resize: vertical;
  min-height: 100px;
  transition: var(--transition);
}
.comment-form textarea:focus { border-color: var(--primary); outline: none; }

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.sidebar-card-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 14px 18px;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card-body { padding: 16px; }

.book-sidebar-item {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
}
.book-sidebar-item:last-child { border-bottom: none; }
.book-cover-sm {
  width: 42px;
  height: 56px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
  background: #eee;
}
.book-info-sm { font-size: 13px; }
.book-info-sm a { font-weight: 600; color: var(--dark); }
.book-info-sm a:hover { color: var(--primary); }
.book-info-sm span { color: var(--gray); font-size: 12px; display: block; }

/* ============================================================
   BOOKS PAGE
   ============================================================ */
.books-section { padding: 50px 0; }

.book-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}
.book-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }

.book-cover {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-light), #e3f2fd);
}
.book-cover img { width: 100%; height: 100%; object-fit: cover; }
.book-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
}
.badge-free { background: #28a745; color: #fff; }
.badge-paid { background: var(--secondary); color: #fff; }

.book-body { padding: 16px; }
.book-body h5 { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 6px; line-height: 1.4; }
.book-author { font-size: 13px; color: var(--gray); margin-bottom: 8px; }
.book-price { font-size: 18px; font-weight: 800; color: var(--secondary); }
.book-price.free { color: #28a745; }

/* ============================================================
   EXAM PAPERS PAGE
   ============================================================ */
.paper-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  display: flex;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  margin-bottom: 16px;
}
.paper-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }

.paper-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  flex-shrink: 0;
}
.paper-icon.paid { background: linear-gradient(135deg, var(--secondary), var(--secondary-dark)); }

.paper-info { flex: 1; }
.paper-info h5 { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.paper-meta { font-size: 12px; color: var(--gray); margin-bottom: 8px; }
.paper-tags span {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  margin-right: 4px;
}

/* ============================================================
   BLOG
   ============================================================ */
.blog-section { padding: 50px 0; }

.blog-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.blog-card img { width: 100%; height: 190px; object-fit: cover; }
.blog-card-body { padding: 18px; }
.blog-cat {
  display: inline-block;
  background: var(--secondary-light);
  color: var(--secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.blog-card-body h5 { font-size: 15px; font-weight: 700; color: var(--dark); line-height: 1.4; margin-bottom: 8px; }
.blog-card-body h5 a:hover { color: var(--primary); }
.blog-meta { font-size: 12px; color: var(--gray); }

/* ============================================================
   USER DASHBOARD
   ============================================================ */
.dashboard-sidebar {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.dash-profile {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 30px 20px;
  text-align: center;
}
.dash-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.4);
  margin: 0 auto 12px;
  object-fit: cover;
  background: #fff;
}
.dash-name { color: #fff; font-weight: 700; font-size: 17px; }
.dash-email { color: rgba(255,255,255,0.7); font-size: 13px; }

.dash-menu { padding: 10px 0; }
.dash-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: #444;
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.dash-menu a:hover, .dash-menu a.active {
  background: var(--primary-light);
  color: var(--primary);
  border-left-color: var(--primary);
}

.dash-stat-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.dash-stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.dash-stat-num { font-size: 32px; font-weight: 900; }
.dash-stat-label { font-size: 13px; color: var(--gray); margin-top: 4px; }

.bookmarked-mcq-card {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.bookmarked-mcq-card .q-num {
  width: 28px;
  height: 28px;
  background: var(--secondary);
  color: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.bookmarked-mcq-card .q-text { font-size: 14px; font-weight: 600; color: var(--dark); flex: 1; line-height: 1.5; }

/* Export buttons */
.export-section {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: 20px;
}
.export-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border: 2px solid;
  transition: var(--transition);
  text-align: center;
}
.export-btn-pdf { border-color: #dc3545; color: #dc3545; }
.export-btn-pdf:hover { background: #dc3545; color: #fff; }
.export-btn-docx { border-color: #0d6efd; color: #0d6efd; }
.export-btn-docx:hover { background: #0d6efd; color: #fff; }
.export-btn-xml { border-color: var(--secondary); color: var(--secondary); }
.export-btn-xml:hover { background: var(--secondary); color: #fff; }
.export-btn i { font-size: 28px; }
.export-price { font-size: 12px; opacity: 0.7; }

/* ============================================================
   PAYMENT MODAL
   ============================================================ */
.payment-modal .gateway-option {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.payment-modal .gateway-option:hover,
.payment-modal .gateway-option.selected { border-color: var(--primary); background: var(--primary-light); }
.payment-modal .gateway-option img { height: 36px; object-fit: contain; }
.payment-modal .gateway-option p { font-size: 12px; color: var(--gray); margin-top: 6px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary-c {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary-c:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }

.btn-secondary-c {
  background: var(--secondary);
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-secondary-c:hover { background: var(--secondary-dark); color: #fff; transform: translateY(-2px); }

.btn-outline-primary-c {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 9px 22px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline-primary-c:hover { background: var(--primary); color: #fff; }

/* ============================================================
   FOOTER
   ============================================================ */
.emcqs-footer {
  background: var(--dark);
  color: #ccc;
  padding: 60px 0 0;
}

.footer-brand img { height: 40px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; color: #999; }

.footer-heading {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.footer-links li { margin-bottom: 9px; }
.footer-links a {
  color: #aaa;
  font-size: 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 7px;
}
.footer-links a:hover { color: var(--secondary); padding-left: 4px; }
.footer-links a i { font-size: 12px; color: var(--secondary); }

.footer-social { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #fff;
  transition: var(--transition);
}
.social-icon:hover { transform: translateY(-3px) scale(1.1); color: #fff; }
.si-fb { background: #1877f2; }
.si-tw { background: #1da1f2; }
.si-ig { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.si-yt { background: #ff0000; }
.si-tg { background: #0088cc; }
.si-li { background: #0a66c2; }

.footer-bottom {
  background: rgba(0,0,0,0.2);
  margin-top: 40px;
  padding: 16px 0;
  text-align: center;
  font-size: 13px;
  color: #777;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom a { color: var(--secondary); }

/* ============================================================
   SUBTOPIC PAGE
   ============================================================ */
.subtopic-card {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.subtopic-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.subtopic-info { flex: 1; }
.subtopic-info h6 { font-size: 15px; font-weight: 600; color: var(--dark); margin: 0; }
.subtopic-info span { font-size: 12px; color: var(--gray); }
.subtopic-arrow {
  width: 32px;
  height: 32px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  flex-shrink: 0;
}
.subtopic-card:hover .subtopic-arrow { background: var(--primary); color: #fff; }

/* ============================================================
   ADMIN PANEL
   ============================================================ */
.admin-sidebar {
  width: 260px;
  background: var(--dark);
  min-height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  transition: var(--transition);
  overflow-y: auto;
}
.admin-content {
  margin-left: 260px;
  min-height: 100vh;
  background: #f4f6f8;
}

.admin-logo {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}
.admin-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
}
.admin-logo span { color: #fff; font-weight: 800; font-size: 18px; }

.admin-nav-label {
  padding: 16px 20px 6px;
  font-size: 11px;
  font-weight: 700;
  color: #666;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.admin-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: #aaa;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.admin-nav a:hover, .admin-nav a.active {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-left-color: var(--primary);
}
.admin-nav a i { width: 18px; text-align: center; font-size: 15px; }

.admin-topbar {
  background: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-page-content { padding: 28px 24px; }

.admin-stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.admin-stat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.admin-stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  flex-shrink: 0;
}
.admin-stat-info h3 { font-size: 28px; font-weight: 900; color: var(--dark); }
.admin-stat-info p { font-size: 13px; color: var(--gray); margin: 0; }

.admin-table-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.admin-table-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.admin-table-header h5 { font-weight: 700; font-size: 16px; margin: 0; }

/* ============================================================
   ALERTS
   ============================================================ */
.alert { border-radius: var(--radius-sm); border: none; padding: 14px 18px; }
.alert-success { background: #d4edda; color: #155724; }
.alert-danger { background: #f8d7da; color: #721c24; }
.alert-info { background: #d1ecf1; color: #0c5460; }

/* ============================================================
   FORMS
   ============================================================ */
.form-control, .form-select {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  transition: var(--transition);
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(27,127,58,0.12);
  outline: none;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 16px rgba(27,127,58,0.35);
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--secondary); transform: translateY(-3px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 992px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-content { margin-left: 0; }
  .hero-title { font-size: 34px; }
}

@media (max-width: 768px) {
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 22px; }
  .hero-title { font-size: 28px; }
  .hero-subtitle { font-size: 15px; }
  .section-head h2 { font-size: 24px; }
  .ribbon-section { display: none; }
  .mcq-card { padding: 16px; }
  .footer-social { justify-content: center; }
}