/* ═══════════════════════════════════════════
   YouTube Analytics Simulator — Page CSS
   Uses shared components. Layout-only rules.
   ═══════════════════════════════════════════ */

/* ── Input Section ── */
.as-input-section {
  text-align: center;
}

.as-input-section__title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--font-size-lg, 1.125rem);
  font-weight: 600;
  color: var(--color-gray-800, #1f2937);
  margin: 0 0 var(--space-5, 20px);
}

.as-input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4, 16px);
  text-align: left;
  margin-bottom: var(--space-6, 24px);
}

.as-input-grid .form-group:last-child {
  grid-column: span 1;
}

#as-simulate-btn {
  min-width: 260px;
}

/* ── Results Container ── */
.as-results {
  margin-top: var(--space-8, 32px);
}

/* ── Section Titles ── */
.as-section-title {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--font-size-xl, 1.25rem);
  font-weight: 700;
  color: var(--color-gray-900, #111827);
  margin: 0 0 var(--space-2, 8px);
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
}

.as-section-title i {
  color: var(--color-primary, #4F46E5);
}

.as-section-subtitle {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-gray-500, #6b7280);
  margin: 0 0 var(--space-5, 20px);
}

/* ── Growth Timeline ── */
.as-timeline-section {
  margin-bottom: var(--space-8, 32px);
}

.as-timeline__track {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 12px);
  position: relative;
  padding-left: var(--space-6, 24px);
}

.as-timeline__track::before {
  content: '';
  position: absolute;
  left: 11px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--color-gray-200, #e5e7eb);
}

.as-timeline__node {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3, 12px);
  padding: var(--space-3, 12px) var(--space-4, 16px);
  border-radius: var(--radius-lg, 12px);
  cursor: pointer;
  transition: all 150ms ease;
  position: relative;
  background: var(--color-white, #fff);
  border: 1px solid var(--color-gray-200, #e5e7eb);
}

.as-timeline__node:hover {
  border-color: var(--color-primary, #4F46E5);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.1));
}

.as-timeline__node--active {
  border-color: var(--color-primary, #4F46E5);
  background: var(--color-indigo-50, #eef2ff);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0,0,0,0.1));
}

.as-timeline__node--reached {
  border-color: var(--color-success, #10B981);
  background: var(--color-green-50, #ecfdf5);
}

.as-timeline__dot {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-gray-100, #f3f4f6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: 700;
  color: var(--color-gray-600, #4b5563);
  position: relative;
  z-index: 1;
}

.as-timeline__node--active .as-timeline__dot {
  background: var(--color-primary, #4F46E5);
  color: var(--color-white, #fff);
}

.as-timeline__node--reached .as-timeline__dot {
  background: var(--color-success, #10B981);
  color: var(--color-white, #fff);
}

.as-timeline__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.as-timeline__label {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-gray-800, #1f2937);
}

.as-timeline__time {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-gray-600, #4b5563);
}

.as-timeline__revenue {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-primary, #4F46E5);
  font-weight: 500;
}

/* ── Milestone Tabs ── */
.as-milestone-tabs {
  margin-bottom: var(--space-6, 24px);
}

.as-milestone-tabs .tabs {
  justify-content: center;
}

/* ── Dashboard Mock ── */
.as-dashboard {
  background: var(--color-white, #fff);
  border: 1px solid var(--color-gray-200, #e5e7eb);
  border-radius: var(--radius-lg, 12px);
  overflow: hidden;
}

.as-dashboard__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4, 16px) var(--space-5, 20px);
  background: var(--color-gray-50, #f9fafb);
  border-bottom: 1px solid var(--color-gray-200, #e5e7eb);
}

.as-dashboard__channel-info {
  display: flex;
  align-items: center;
  gap: var(--space-3, 12px);
}

.as-dashboard__avatar {
  font-size: 36px;
  color: var(--color-gray-400, #9ca3af);
  line-height: 1;
}

.as-dashboard__channel-name {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-base, 1rem);
  color: var(--color-gray-900, #111827);
}

.as-dashboard__sub-count {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-gray-500, #6b7280);
}

.as-dashboard__reward {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-primary, #4F46E5);
  background: var(--color-indigo-50, #eef2ff);
  padding: var(--space-1, 4px) var(--space-3, 12px);
  border-radius: var(--radius-full, 9999px);
  white-space: nowrap;
}

.as-dashboard__reward i {
  margin-right: var(--space-1, 4px);
}

/* ── Metrics Row ── */
.as-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-gray-200, #e5e7eb);
  border-bottom: 1px solid var(--color-gray-200, #e5e7eb);
}

.as-metric-card {
  background: var(--color-white, #fff);
  padding: var(--space-4, 16px) var(--space-5, 20px);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.as-metric-card__label {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-gray-500, #6b7280);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.as-metric-card__value {
  font-family: var(--font-display, 'Plus Jakarta Sans', sans-serif);
  font-size: var(--font-size-2xl, 1.5rem);
  font-weight: 700;
  color: var(--color-gray-900, #111827);
  line-height: 1.2;
}

.as-metric-card__trend {
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: 500;
}

.as-metric-card__trend--up {
  color: var(--color-success, #10B981);
}

.as-metric-card__sub {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-gray-400, #9ca3af);
}

/* ── Charts Row ── */
.as-charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-gray-200, #e5e7eb);
  border-bottom: 1px solid var(--color-gray-200, #e5e7eb);
}

.as-chart-card {
  background: var(--color-white, #fff);
  padding: var(--space-4, 16px) var(--space-5, 20px);
}

.as-chart-card__title {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-gray-700, #374151);
  margin: 0 0 var(--space-3, 12px);
}

.as-chart-card canvas {
  width: 100%;
  height: auto;
  max-height: 240px;
}

/* ── Detail Stats ── */
.as-stats-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-gray-200, #e5e7eb);
  border-bottom: 1px solid var(--color-gray-200, #e5e7eb);
}

.as-detail-card {
  background: var(--color-white, #fff);
  padding: var(--space-4, 16px) var(--space-5, 20px);
}

.as-detail-card__title {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-gray-700, #374151);
  margin: 0 0 var(--space-3, 12px);
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
}

.as-detail-card__title i {
  color: var(--color-primary, #4F46E5);
}

.as-detail-card__rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 8px);
}

.as-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm, 0.875rem);
}

.as-detail-row span {
  color: var(--color-gray-600, #4b5563);
}

.as-detail-row strong {
  color: var(--color-gray-900, #111827);
  font-weight: 600;
}

/* ── Milestone Unlocks ── */
.as-unlocks {
  padding: var(--space-4, 16px) var(--space-5, 20px);
}

.as-unlocks__title {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-gray-700, #374151);
  margin: 0 0 var(--space-3, 12px);
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
}

.as-unlocks__title i {
  color: var(--color-warning, #F59E0B);
}

.as-unlocks__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2, 8px);
}

.as-unlock-item {
  display: flex;
  align-items: center;
  gap: var(--space-2, 8px);
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-gray-700, #374151);
  padding: var(--space-2, 8px) var(--space-3, 12px);
  background: var(--color-gray-50, #f9fafb);
  border-radius: var(--radius-md, 8px);
}

.as-unlock-item i {
  color: var(--color-primary, #4F46E5);
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

/* ── Share Section ── */
.as-share-section {
  display: flex;
  gap: var(--space-3, 12px);
  justify-content: center;
  margin-top: var(--space-6, 24px);
}

/* ── Milestone Table (responsive) ── */
.tool-content__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-6, 24px);
}

.tool-content__table-wrap .table {
  min-width: 500px;
}

/* ── Toast (inline fallback notification) ── */
.as-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: var(--space-3, 12px) var(--space-5, 20px);
  border-radius: var(--radius-md, 8px);
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 500;
  color: var(--color-white, #fff);
  z-index: 9999;
  opacity: 0;
  transition: opacity 300ms ease, transform 300ms ease;
  pointer-events: none;
}

.as-toast--success {
  background: var(--color-success, #10B981);
}

.as-toast--error {
  background: var(--color-danger, #EF4444);
}

.as-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ══════════════════════════════════════════
   RESPONSIVE — Mobile (max-width: 767px)
   ══════════════════════════════════════════ */
@media (max-width: 767px) {
  .as-input-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3, 12px);
  }

  #as-simulate-btn {
    width: 100%;
    min-width: unset;
  }

  .as-timeline__track {
    padding-left: var(--space-3, 12px);
  }

  .as-timeline__track::before {
    left: 5px;
  }

  .as-timeline__node {
    padding: var(--space-2, 8px) var(--space-3, 12px);
  }

  .as-timeline__dot {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs, 0.75rem);
  }

  .as-milestone-tabs .tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: flex-start;
    gap: var(--space-2, 8px);
    padding-bottom: var(--space-2, 8px);
  }

  .as-milestone-tabs .tabs__item {
    flex-shrink: 0;
    min-width: 56px;
    min-height: 44px;
  }

  .as-dashboard__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2, 8px);
    padding: var(--space-3, 12px);
  }

  .as-dashboard__avatar {
    font-size: 28px;
  }

  .as-metrics-row {
    grid-template-columns: 1fr 1fr;
  }

  .as-metric-card {
    padding: var(--space-3, 12px);
  }

  .as-metric-card__value {
    font-size: var(--font-size-lg, 1.125rem);
  }

  .as-charts-row {
    grid-template-columns: 1fr;
  }

  .as-chart-card {
    padding: var(--space-3, 12px);
  }

  .as-chart-card canvas {
    max-height: 180px;
  }

  .as-stats-detail {
    grid-template-columns: 1fr;
  }

  .as-detail-card {
    padding: var(--space-3, 12px);
  }

  .as-unlocks__list {
    grid-template-columns: 1fr;
  }

  .as-unlock-item {
    font-size: var(--font-size-xs, 0.75rem);
  }

  .as-share-section {
    flex-direction: column;
  }

  .as-share-section .button {
    width: 100%;
  }
}

/* ══════════════════════════════════════════
   RESPONSIVE — Small mobile (max-width: 400px)
   ══════════════════════════════════════════ */
@media (max-width: 400px) {
  .as-metric-card__value {
    font-size: var(--font-size-base, 1rem);
  }

  .as-timeline__label {
    font-size: var(--font-size-xs, 0.75rem);
  }

  .as-timeline__revenue {
    font-size: var(--font-size-xs, 0.75rem);
  }
}