:root {
  --al-ok: #166534;
  --al-deny: #991b1b;
  --al-panel: #faf9f7;
  --al-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --al-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.page-alevel {
  background: var(--color-bg);
}

.page-alevel .page-hero {
  padding-top: var(--space-7);
  padding-bottom: var(--space-4);
}

.page-alevel .page-hero-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .page-alevel .page-hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: stretch;
  }
}

.al-lede {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  max-width: 58ch;
}

.al-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-3);
}

.al-chip {
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: border-color 0.2s var(--al-ease), transform 0.2s var(--al-ease);
}

.al-chip.is-live {
  border-color: rgba(22, 101, 52, 0.25);
  color: var(--al-ok);
  background: rgba(22, 101, 52, 0.06);
}

.al-context-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: var(--space-3);
  box-shadow: 0 1px 3px var(--shadow-soft);
  transition: box-shadow 0.25s var(--al-ease), border-color 0.25s var(--al-ease);
}

.al-context-card:hover {
  border-color: rgba(31, 75, 122, 0.25);
  box-shadow: 0 8px 24px var(--shadow-soft);
}

.al-context-card h2 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-2);
}

.al-stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.al-stat-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: 0.9375rem;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background 0.2s var(--al-ease), border-color 0.2s var(--al-ease);
}

.al-stat-list li:hover {
  background: var(--al-panel);
  border-color: var(--color-border);
}

.al-stat-list span {
  color: var(--color-text-secondary);
}

.al-source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-2);
}

.al-source-chip {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: background 0.2s var(--al-ease), color 0.2s var(--al-ease);
}

.al-source-chip:hover {
  background: rgba(31, 75, 122, 0.06);
  color: var(--color-accent);
}

/* Workspace: nav + panel */
.al-workspace {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .al-workspace {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }
}

.al-tool-nav {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1024px) {
  .al-tool-nav {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: calc(var(--header-h) + 16px);
    padding-bottom: 0;
  }
}

.al-tool-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  width: 100%;
  min-width: 200px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color 0.2s var(--al-ease),
    background 0.2s var(--al-ease),
    transform 0.15s var(--al-ease),
    box-shadow 0.2s var(--al-ease);
}

.al-tool-tab:hover {
  border-color: rgba(31, 75, 122, 0.35);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow-soft);
}

.al-tool-tab.is-active {
  border-color: var(--color-accent);
  background: rgba(31, 75, 122, 0.06);
  box-shadow: 0 4px 16px rgba(31, 75, 122, 0.12);
}

.al-tool-tab:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.al-tool-tab-num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--al-panel);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
}

.al-tool-tab.is-active .al-tool-tab-num {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.al-tool-tab-label {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
}

.al-tool-tab-circuit {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  font-family: var(--al-mono);
  margin-top: 2px;
}

.al-tool-stage {
  min-height: 320px;
}

.al-tool-panel {
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: var(--space-4);
  box-shadow: 0 1px 3px var(--shadow-soft);
  animation: al-panel-in 0.35s var(--al-ease);
}

.al-tool-panel.is-active {
  display: block;
}

@keyframes al-panel-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.al-tool-head {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.al-tool-head h2 {
  margin: 0 0 8px;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.al-tool-head p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 65ch;
}

.al-tool-head code {
  font-family: var(--al-mono);
  font-size: 0.8125em;
  color: var(--color-accent);
}

.al-form {
  display: grid;
  gap: var(--space-3);
}

.al-form fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

.al-form legend {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}

.al-form label:not(.al-grade-slot):not(.al-pill) {
  font-size: 0.875rem;
  font-weight: 500;
}

.al-form select,
.al-form input[type="number"],
.al-form input[type="text"] {
  width: 100%;
  max-width: 420px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  font: inherit;
  transition: border-color 0.2s var(--al-ease), box-shadow 0.2s var(--al-ease);
}

.al-form select:focus,
.al-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Grade picker */
.al-grade-row {
  display: grid;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .al-grade-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.al-grade-slot {
  display: grid;
  gap: 8px;
}

.al-grade-slot-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
}

.al-grade-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.al-grade-chip {
  min-width: 40px;
  padding: 8px 10px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    border-color 0.15s var(--al-ease),
    background 0.15s var(--al-ease),
    transform 0.1s var(--al-ease);
}

.al-grade-chip:hover {
  border-color: var(--color-accent);
  transform: scale(1.04);
}

.al-grade-chip.is-selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.al-grade-chip:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Live tariff meter */
.al-meter-wrap {
  padding: var(--space-3);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--al-panel);
}

.al-meter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: 10px;
}

.al-meter-head strong {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}

.al-meter-track {
  height: 10px;
  border-radius: 999px;
  background: var(--color-border);
  overflow: hidden;
}

.al-meter-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--color-accent);
  transition: width 0.4s var(--al-ease), background 0.3s var(--al-ease);
}

.al-meter-fill.is-over {
  background: var(--al-ok);
}

.al-meter-fill.is-under {
  background: var(--al-deny);
}

.al-meter-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* Subject pills */
.al-pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.al-pill {
  position: relative;
  cursor: pointer;
}

.al-pill input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.al-pill span {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.8125rem;
  font-weight: 500;
  transition:
    border-color 0.15s var(--al-ease),
    background 0.15s var(--al-ease),
    transform 0.1s var(--al-ease);
}

.al-pill:hover span {
  border-color: rgba(31, 75, 122, 0.4);
  transform: translateY(-1px);
}

.al-pill input:checked + span {
  background: rgba(31, 75, 122, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
  font-weight: 600;
}

.al-pill input:focus-visible + span {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.al-hint {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
  margin: 0;
}

.al-result {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  background: var(--al-panel);
}

.al-result.is-reveal {
  animation: al-panel-in 0.4s var(--al-ease);
}

.al-result.is-yes {
  border-color: rgba(22, 101, 52, 0.35);
  background: rgba(22, 101, 52, 0.04);
}

.al-result.is-no {
  border-color: rgba(153, 27, 27, 0.35);
  background: rgba(153, 27, 27, 0.04);
}

.al-result h3 {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 600;
}

.al-result p {
  margin: 0 0 8px;
  line-height: 1.55;
}

.al-proof {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-family: var(--al-mono);
  word-break: break-all;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
}

.al-list {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.al-list-item {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  transition:
    border-color 0.2s var(--al-ease),
    transform 0.15s var(--al-ease),
    box-shadow 0.2s var(--al-ease);
}

.al-list-item:hover {
  border-color: rgba(31, 75, 122, 0.35);
  transform: translateX(4px);
  box-shadow: 0 4px 12px var(--shadow-soft);
}

.al-list-item h4 {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 600;
}

.al-list-item p {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.al-list-institution {
  font-weight: 500;
  color: var(--color-text) !important;
}

.al-list-address {
  margin-top: 4px !important;
}

.al-list-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 0.8125rem;
}

.al-list-contact a {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
}

.al-list-contact a:hover {
  text-decoration: underline;
}

.al-list-contact-sep {
  color: var(--color-text-secondary);
}

.al-list-item-distance {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(31, 75, 122, 0.08);
  color: var(--color-accent);
}

.al-meta {
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.al-loading:not([hidden]) {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 72px;
  margin-top: var(--space-2);
}

.al-loading[hidden] {
  display: none !important;
}

.al-loading-wheel {
  width: 28px;
  height: 28px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: al-spin 0.75s linear infinite;
}

@keyframes al-spin {
  to {
    transform: rotate(360deg);
  }
}

.al-error {
  color: var(--al-deny);
  font-size: 0.875rem;
}

.al-disclaimer {
  margin-top: var(--space-5);
  padding: var(--space-3);
  border-radius: 12px;
  border: 1px dashed var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  background: var(--al-panel);
}

.al-subject-rows {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.al-subject-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--color-surface);
}

.al-subject-row.is-met {
  color: var(--al-ok);
}

.al-subject-row.is-miss {
  color: var(--al-deny);
}

.al-stats-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .al-stats-preview {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
  }
}

.al-age-slider-wrap.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.al-uni-national {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 420px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--al-panel);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.45;
  transition: border-color 0.2s var(--al-ease), background 0.2s var(--al-ease);
}

.al-uni-national:hover {
  border-color: rgba(31, 75, 122, 0.35);
}

.al-uni-national input {
  margin-top: 3px;
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.al-uni-national:has(input:checked) {
  border-color: var(--color-accent);
  background: rgba(31, 75, 122, 0.06);
}

.al-age-slider-wrap {
  display: grid;
  gap: 8px;
  max-width: 420px;
}

.al-age-slider-wrap input[type="range"] {
  width: 100%;
  accent-color: var(--color-accent);
}

.al-age-display {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
}

@media (prefers-reduced-motion: reduce) {
  .al-loading-wheel,
  .al-tool-panel,
  .al-result.is-reveal {
    animation: none;
  }

  .al-tool-tab:hover,
  .al-grade-chip:hover,
  .al-list-item:hover,
  .al-pill:hover span {
    transform: none;
  }

  .al-meter-fill {
    transition: none;
  }
}