/**
 * AIN 2026 Dashboard 專屬樣式（mobile-first 375px portrait）
 * 對位 spec §3.2 layout / §3.6 brand-spec 色票
 */

.dash-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8, 8, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.dash-header-inner {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4) var(--space-4);
}
.brand-line {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 6px;
}
.ain-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--white);
  letter-spacing: 2px;
}
.ain-cities {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 1.5px;
}
.dash-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  margin: 0 0 4px;
  letter-spacing: 1px;
  color: var(--white);
}
.dash-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.refresh-btn {
  background: transparent;
  border: 1px solid var(--purple);
  color: var(--lpurple);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition-base);
}
.refresh-btn:hover { background: rgba(110, 90, 240, 0.15); transform: rotate(180deg); }
.refresh-btn:active { transform: scale(0.94) rotate(180deg); }
.refresh-btn:disabled { opacity: 0.5; cursor: wait; }

.dash-main {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* 倒數警告 */
#countdown-section {
  font-size: 18px;
}

/* KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.kpi-card.kpi-wide { grid-column: 1 / -1; }
.kpi-card .section-title {
  margin: 0 0 4px 0;
  font-size: 12px;
}
.kpi-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 32px;
  color: var(--white);
  letter-spacing: 0.5px;
}
.kpi-number.kpi-strong {
  background: linear-gradient(135deg, var(--lpurple), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.kpi-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
}

/* 進度條 */
.progress-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.progress-track {
  width: 100%;
  height: 14px;
  background: var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #FFD600, #FF7200, #E84000);
  transition: width 0.6s ease;
  border-radius: var(--radius-pill);
}
.progress-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.progress-label > :first-child {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
}

/* Section block 共用 */
.section-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* 時段比較 table */
.time-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 14px;
}
.time-table th,
.time-table td {
  padding: var(--space-2) var(--space-3);
  text-align: right;
  border-bottom: 1px solid var(--border);
}
.time-table th:first-child,
.time-table td:first-child {
  text-align: left;
  font-family: var(--font-tc);
  color: var(--gray);
}
.time-table th {
  color: var(--lpurple);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1px;
}
.time-table tr:last-child td { border-bottom: none; }
.time-table td.num { color: var(--white); }
.time-table td.pending { color: var(--gray-mute); font-style: italic; font-size: 12px; }

/* Funnel 漏斗 */
.funnel {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.funnel-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: var(--space-2);
}
.funnel-label {
  font-family: var(--font-tc);
  color: var(--white);
  font-size: 14px;
}
.funnel-bar-track {
  height: 14px;
  background: var(--border);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.funnel-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--lpurple));
  border-radius: var(--radius-pill);
  transition: width 0.5s ease;
}
.funnel-stats {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
  white-space: nowrap;
}

/* 說明會 */
.info-sessions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.session-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: 1px dashed var(--border);
}
.session-row:last-child { border-bottom: none; }
.session-date { font-family: var(--font-display); font-weight: 700; }
.session-stats { font-family: var(--font-mono); font-size: 13px; color: var(--gray); }

/* Chart canvases */
.chart-wrap {
  position: relative;
  width: 100%;
  min-height: 220px;
  max-height: 360px;
}

/* Channel cards 6 通路 mini funnel */
.channel-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.channel-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.channel-card-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--lpurple);
}
.channel-card-stats {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
}
.channel-card-rate {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
}
.channel-card-note {
  font-family: var(--font-tc);
  font-size: 12px;
  color: var(--gray-mute);
  margin-top: 4px;
  line-height: 1.5;
}

/* Footer */
.dash-footer {
  max-width: 480px;
  margin: var(--space-8) auto 0;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Error toast */
.error-toast {
  position: fixed;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  max-width: 90%;
  background: var(--alert-red);
  color: var(--white);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.error-toast .meta { color: rgba(255,255,255,0.85); }

/* Tablet+ 響應式 §3.7 */
@media (min-width: 600px) {
  .dash-header-inner,
  .dash-main,
  .dash-footer { max-width: 720px; }
  .kpi-grid { grid-template-columns: 1fr 1fr 1fr; }
  .kpi-card.kpi-wide { grid-column: auto; }
  .channel-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
}
@media (min-width: 1024px) {
  .dash-header-inner,
  .dash-main,
  .dash-footer { max-width: 1100px; }
  .channel-cards { grid-template-columns: 1fr 1fr 1fr; }
  .chart-wrap { max-height: 420px; }
}