:root {
  --primary: #1F8A70;
  --primary-rgb: 31, 138, 112;
  --primary-hover: #17745E;
  --secondary: #A0CFA2;
  --secondary-rgb: 160, 207, 162;
  --secondary-hover: #7FBF85;
  --background: #F7FAF9;
  --background-rgb: 247, 250, 249;
  --surface: #FFFFFF;
  --surface-rgb: 255, 255, 255;
  --surface-muted: #ECF4EF;
  --surface-strong: #E2EEE8;
  --text: #143A2E;
  --text-rgb: 20, 58, 46;
  --text-muted: #5D7C70;
  --text-inverse: #FFFFFF;
  --accent: #D7B46A;
  --border: #D3E5DD;
  --shadow-color: 20, 58, 46;
  --shadow: 0 24px 48px rgba(var(--shadow-color), 0.1);
  --shadow-soft: 0 12px 28px rgba(var(--shadow-color), 0.06);
  --focus-ring: 0 0 0 3px rgba(var(--primary-rgb), 0.22);
}

.dark-mode,
.dark-theme {
  --primary: #3AD0B2;
  --primary-rgb: 58, 208, 178;
  --primary-hover: #2BB89B;
  --secondary: #1E4F6F;
  --secondary-rgb: 30, 79, 111;
  --secondary-hover: #163F5A;
  --background: #0A1322;
  --background-rgb: 10, 19, 34;
  --surface: #101C30;
  --surface-rgb: 16, 28, 48;
  --surface-muted: #162538;
  --surface-strong: #1B2C43;
  --text: #E8FDF9;
  --text-rgb: 232, 253, 249;
  --text-muted: #9AC8BE;
  --text-inverse: #0A1322;
  --accent: #CDA85E;
  --border: #1F2E43;
  --shadow-color: 0, 0, 0;
  --shadow: 0 30px 60px rgba(0, 0, 0, 0.36);
  --shadow-soft: 0 18px 36px rgba(0, 0, 0, 0.26);
  --focus-ring: 0 0 0 3px rgba(var(--primary-rgb), 0.26);
}

* {
  box-sizing: border-box;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Cairo', sans-serif;
  background: var(--background);
  color: var(--text);
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.page-container {
  display: none;
}

.page-container.active-container {
  display: block;
}

.page {
  display: none;
  background: var(--surface);
  border-radius: 26px;
  padding: 48px;
  box-shadow: var(--shadow);
  animation: fadeIn 0.4s ease both;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.main-nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 36px;
  margin: 32px 40px;
  border-radius: 60px;
  backdrop-filter: blur(20px);
  background: linear-gradient(120deg, rgba(var(--primary-rgb), 0.92) 0%, rgba(var(--primary-rgb), 0.72) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
  color: var(--text-inverse);
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: 0.02em;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-inverse);
  transition: background 0.3s ease, transform 0.3s ease;
}

.nav-logo:hover,
.nav-logo:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.brand-mark {
  font-size: 1.9rem;
  color: var(--accent);
  filter: drop-shadow(0 6px 14px rgba(var(--shadow-color), 0.24));
}

.brand-text {
  font-weight: 700;
  font-size: 1.35rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 14px;
  padding: 10px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
  color: var(--text-inverse);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.22);
  transform: scale(1.04);
}

.nav-toggle-bar {
  width: 22px;
  height: 2px;
  border-radius: 20px;
  background: currentColor;
  transition: transform 0.3s ease;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  color: rgba(var(--text-rgb), 0.86);
  font-weight: 600;
  transition: background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
  background: transparent;
  border: none;
  font-family: inherit;
  cursor: pointer;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
  color: var(--text-inverse);
  background: rgba(var(--primary-rgb), 0.22);
  box-shadow: 0 12px 28px rgba(var(--primary-rgb), 0.25);
}

.nav-icon {
  font-size: 1.1rem;
  display: inline-flex;
}

.nav-label {
  font-size: 1rem;
}

.nav-item.has-dropdown > .nav-link {
  padding-inline-end: 16px;
}

.nav-caret {
  display: inline-block;
  width: 0;
  height: 0;
  border-inline-start: 5px solid transparent;
  border-inline-end: 5px solid transparent;
  border-top: 6px solid currentColor;
  transition: transform 0.3s ease;
  margin-inline-start: 4px;
}

.nav-item.has-dropdown.open .nav-caret,
.nav-item.has-dropdown > .nav-link[aria-expanded="true"] .nav-caret {
  transform: rotateX(180deg);
}

.nav-dropdown {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 12px);
  min-width: 220px;
  list-style: none;
  margin: 0;
  padding: 16px 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow-soft);
  display: none;
  flex-direction: column;
  gap: 8px;
  z-index: 10;
}

.nav-dropdown.open,
.nav-item.has-dropdown:hover > .nav-dropdown {
  display: flex;
}

.nav-sublink {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  color: rgba(var(--text-rgb), 0.8);
  font-size: 0.95rem;
  transition: background 0.3s ease, color 0.3s ease;
}

.nav-sublink:hover,
.nav-sublink:focus-visible,
.nav-sublink.active {
  color: var(--text);
  background: rgba(var(--primary-rgb), 0.12);
}

.theme-toggle-container {
  display: flex;
  align-items: center;
}

.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.theme-toggle-btn:hover {
  transform: scale(1.08);
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.home-page {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-header {
  text-align: center;
}

.page-header h1 {
  margin: 0;
  font-size: 2.8rem;
  color: var(--text);
  text-shadow: 0 16px 40px rgba(var(--shadow-color), 0.16);
}

.page-subtitle {
  margin: 12px 0 6px;
  color: var(--text-muted);
  font-size: 1.12rem;
}

.page-meta {
  margin: 0;
  color: rgba(var(--text-rgb), 0.6);
  font-size: 0.96rem;
}

.hero-search {
  margin: 0 auto;
  margin-top: 20px;
  max-width: 520px;
  display: flex;
  gap: 12px;
  background: rgba(var(--surface-rgb), 0.85);
  border-radius: 999px;
  padding: 10px 14px;
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow-soft);
}

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  outline: none;
}

.hero-card {
  background: linear-gradient(140deg, rgba(var(--primary-rgb), 0.16) 0%, var(--surface) 100%);
  border-radius: 26px;
  padding: 44px 38px;
  margin: 20px 0 20px 0;
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background-color 0.3s ease;
}

.hero-card h2 {
  margin: 0;
  font-size: 2rem;
  color: var(--text);
}

.hero-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.8;
  font-size: 1.05rem;
}

.hero-card strong {
  color: var(--text);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 12px;
}

.home-form-card {
  background: var(--surface);
  border-radius: 26px;
  padding: 40px 36px;
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow-soft);
}

.home-form-card h3 {
  margin: 0;
  font-size: 1.6rem;
  color: var(--text);
}

.home-form-note {
  color: var(--text-muted);
  margin: 12px 0 28px;
  line-height: 1.6;
}

.home-form-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  color: rgba(var(--text-rgb), 0.85);
  font-size: 1rem;
}

.form-group select,
.form-group input,
.dropdown-select,
.essay-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(var(--border), 1);
  border-radius: 14px;
  font-size: 1rem;
  font-family: 'Cairo', sans-serif;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
  background: rgba(var(--surface-rgb), 0.94);
  color: var(--text);
}

.form-group select:focus,
.form-group input:focus,
.dropdown-select:focus,
.essay-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}

.btn {
  background: var(--primary);
  color: var(--text-inverse);
  padding: 14px 32px;
  border: none;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Cairo', sans-serif;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(var(--primary-rgb), 0.28);
}

.btn:disabled {
  background: rgba(var(--primary-rgb), 0.25);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text);
}

.btn-secondary:hover {
  background: var(--secondary-hover);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(var(--border), 1);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(var(--primary-rgb), 0.08);
}

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  margin-top: 30px;
  flex-wrap: wrap;
}

.rules-list,
.card-surface {
  background: var(--surface);
  padding: 28px;
  border-radius: 22px;
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow-soft);
}

.rules-list ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rules-list li {
  margin: 12px 0;
  padding-right: 12px;
  line-height: 1.9;
  font-size: 1.05rem;
  color: var(--text-muted);
}

#testInfo {
  background: var(--surface-muted);
  border-radius: 20px;
  padding: 22px;
  border: 1px solid rgba(var(--border), 1);
  color: var(--text);
  box-shadow: var(--shadow-soft);
}

.timer {
  background: rgba(var(--accent), 0.18);
  color: var(--text);
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(var(--accent), 0.65);
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.progress-bar {
  background: rgba(var(--text-rgb), 0.15);
  height: 10px;
  border-radius: 6px;
  overflow: hidden;
  margin: 24px 0;
}

.progress-fill {
  background: linear-gradient(90deg, rgba(var(--primary-rgb), 1) 0%, rgba(var(--primary-rgb), 0.7) 100%);
  height: 100%;
  transition: width 0.3s ease;
}

.question-container {
  margin: 32px 0;
  background: var(--surface);
  border-radius: 24px;
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow-soft);
  padding: 28px;
}

.question-header {
  background: var(--surface-muted);
  padding: 22px;
  border-radius: 18px;
  border: 1px solid rgba(var(--border), 1);
  margin-bottom: 22px;
}

.question-number {
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 12px;
}

.question-text {
  font-size: 1.3rem;
  color: var(--text);
  line-height: 1.7;
  font-weight: 600;
}

.question-level-badge {
  margin-inline-start: 12px;
}

.options-container,
.drag-items,
.drop-zone,
.ordering-items,
.multiple-select-container {
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid rgba(var(--border), 1);
  padding: 22px;
  box-shadow: var(--shadow-soft);
}

.option,
.drag-item,
.ordering-item,
.multiple-select-option {
  background: var(--surface-muted);
  border: 1px solid rgba(var(--border), 1);
  padding: 16px 20px;
  border-radius: 14px;
  margin: 12px 0;
  font-size: 1.05rem;
  color: var(--text);
  transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
  cursor: pointer;
}

.option:hover,
.multiple-select-option:hover,
.ordering-item:hover,
.drag-item:hover {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.12);
}

.option.selected,
.multiple-select-option.selected,
.ordering-item.fixed-ordering-item,
.drag-item.selected {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.18) 0%, rgba(var(--primary-rgb), 0.45) 100%);
  border-color: var(--primary);
  color: var(--text-inverse);
}

.multiple-select-option {
  display: flex;
  align-items: center;
  gap: 14px;
}

.multiple-select-checkbox {
  width: 22px;
  height: 22px;
  border: 2px solid rgba(var(--border), 1);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.multiple-select-option.selected .multiple-select-checkbox {
  background: var(--text-inverse);
  border-color: transparent;
}

.drag-items,
.drop-zone {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  min-height: 120px;
}

.drag-item {
  cursor: grab;
}

.drag-item.dragging {
  opacity: 0.45;
}

.drop-zone {
  border-style: dashed;
  border-color: rgba(var(--border), 1);
}

.drop-zone.drag-over {
  background: rgba(var(--primary-rgb), 0.08);
  border-color: var(--primary);
}

.ordering-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ordering-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ordering-number {
  background: var(--primary);
  color: var(--text-inverse);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.dropdown-select {
  cursor: pointer;
}

.dropdown-select.answered {
  background: rgba(var(--primary-rgb), 0.12);
}

.click-drag-container,
.essay-container,
.matching-container,
.ordering-container {
  margin: 24px 0;
}

.slider-container {
  background: var(--surface);
  border: 1px solid rgba(var(--border), 1);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.slider {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(var(--text-rgb), 0.2);
  outline: none;
  margin: 20px 0;
  cursor: pointer;
}

.slider::-webkit-slider-thumb,
.slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  box-shadow: 0 6px 14px rgba(var(--primary-rgb), 0.25);
}

.slider-value {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
}

.essay-instructions,
.multiple-select-instructions {
  background: rgba(var(--primary-rgb), 0.12);
  color: var(--text-muted);
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(var(--primary-rgb), 0.2);
  margin-bottom: 16px;
}

.essay-textarea {
  min-height: 160px;
  line-height: 1.7;
  resize: vertical;
}

.essay-textarea.answered {
  background: rgba(var(--primary-rgb), 0.1);
  border-color: var(--primary);
}

.word-count {
  text-align: left;
  margin-top: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.word-count.valid {
  color: rgba(var(--primary-rgb), 1);
}

#answerNote {
  background: rgba(var(--primary-rgb), 0.12);
  color: var(--primary);
  border-radius: 14px;
  padding: 14px 18px;
  border: 1px solid rgba(var(--primary-rgb), 0.3);
  display: none;
}

.results-summary {
  text-align: center;
  margin: 40px 0;
}

.score-circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  margin: 0 auto 32px;
  background: conic-gradient(var(--primary) 0deg, rgba(var(--primary-rgb), 0.12) var(--percentage, 0deg));
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.score-circle .percentage {
  font-size: 3rem;
  font-weight: 800;
}

.score-circle .label {
  font-size: 1.1rem;
  color: rgba(var(--text-rgb), 0.9);
}

.stats-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stat-card {
  background: var(--surface-muted);
  padding: 24px;
  border-radius: 18px;
  border: 1px solid rgba(var(--border), 1);
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.stat-card .number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-card .label {
  color: var(--text-muted);
  margin-top: 6px;
}

.answer-review {
  margin: 32px 0;
}

.review-item {
  background: var(--surface);
  padding: 24px;
  border-radius: 18px;
  border-inline-start: 6px solid transparent;
  border: 1px solid rgba(var(--border), 1);
  margin: 16px 0;
  box-shadow: var(--shadow-soft);
}

.review-item.correct {
  border-inline-start-color: var(--primary);
}

.review-item.incorrect {
  border-inline-start-color: #F16C62;
}

.review-question {
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
}

.review-answer {
  margin: 8px 0;
  color: var(--text-muted);
}

.review-answer.correct-answer {
  color: var(--primary);
  font-weight: 600;
}

.review-answer.user-answer {
  color: #F16C62;
}

.resources {
  background: var(--surface);
  padding: 28px;
  border-radius: 18px;
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow-soft);
}

.resources h3 {
  margin-top: 0;
  color: var(--text);
}

.resource-link {
  display: block;
  color: rgba(var(--primary-rgb), 0.9);
  margin: 10px 0;
  transition: color 0.3s ease;
}

.resource-link:hover {
  color: var(--primary);
}

.loading {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
}

.theme-icon {
  transition: transform 0.3s ease;
}

.theme-toggle-btn:hover .theme-icon {
  transform: rotate(20deg);
}

@media print {
  body {
    background: #FFFFFF;
  }
  .btn,
  .btn-group,
  .theme-toggle-container,
  nav {
    display: none !important;
  }
  .page {
    box-shadow: none;
    padding: 0;
  }
}

@media (max-width: 992px) {
  .main-nav {
    margin: 24px;
    padding: 16px 24px;
    flex-wrap: wrap;
    gap: 18px;
  }
  .container {
    padding: 32px 16px 60px;
  }
  .page {
    padding: 36px 28px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    border-radius: 32px;
  }
  .nav-toggle {
    display: flex;
    align-self: stretch;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    width: 100%;
    background: rgba(var(--surface-rgb), 0.92);
    border-radius: 24px;
    padding: 18px 16px;
    border: 1px solid rgba(var(--border), 1);
    box-shadow: var(--shadow-soft);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-item.has-dropdown {
    width: 100%;
  }
  .nav-item.has-dropdown > .nav-link {
    justify-content: space-between;
  }
  .nav-dropdown {
    position: static;
    border-radius: 18px;
    margin-top: 8px;
    padding: 12px;
    background: rgba(var(--surface-rgb), 1);
    border: 1px solid rgba(var(--border), 1);
    display: none;
  }
  .nav-dropdown.open {
    display: flex;
  }
  .page {
    padding: 28px 20px;
  }
  .page-header h1 {
    font-size: 2.2rem;
  }
  .hero-card,
  .home-form-card,
  .rules-list,
  .question-container,
  .resources,
  .review-item {
    padding: 26px 20px;
  }
  .btn-group {
    justify-content: center;
  }
  .score-circle {
    width: 180px;
    height: 180px;
  }
}

@media (max-width: 480px) {
  .main-nav {
    margin: 18px;
    padding: 14px 16px;
    gap: 14px;
  }
  .page {
    padding: 24px 18px;
  }
  .nav-brand {
    font-size: 1.3rem;
  }
  .theme-toggle-btn {
    width: 44px;
    height: 44px;
  }
  .hero-card h2 {
    font-size: 1.6rem;
  }
}

/* Smooth transitions for theme switching */
body,
.page,
.btn,
.form-group input,
.form-group select,
.option,
.question-container,
.stat-card,
.resources,
.review-item {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.matching-columns {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: flex-start;
  position: relative;
}

.matching-column {
  flex: 1;
  border-radius: 18px;
  border: 1px solid rgba(var(--border), 1);
  box-shadow: var(--shadow-soft);
  padding: 18px 12px 18px 12px;
  min-width: 180px;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.matching-column:first-child {
  background: #eaf3fb;
}
.matching-column:last-child {
  background: #fffbe8;
}

.dark-mode .matching-column:first-child, .dark-theme .matching-column:first-child {
  background: #16344a;
}
.dark-mode .matching-column:last-child, .dark-theme .matching-column:last-child {
  background: #4a4316;
}


.matching-column h4 {
  margin: 0 0 12px 0;
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: 700;
  text-align: center;
}

.matching-item {
  background: #0a920a88;
  border: 1.5px solid rgba(var(--border), 1);
  border-radius: 12px;
  padding: 15px 18px;
  font-size: 1.04rem;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
  margin: 0;
  text-align: center;
  font-weight: bold;
}

.matching-item.selected,
.matching-item.matched {
  border-color: #08b952;
  background: #05a78486;
  color: var(--text);
  font-weight: bold;
}

@media (max-width: 700px) {
  .matching-columns {
    flex-direction: column;
    gap: 18px;
    align-items: stretch;
  }
  .matching-column {
    min-width: 0;
    max-width: 100%;
  }
}