:root {
   --bg: #0f1419;
   --card: #1a2332;
   --border: #2d3a4f;
   --text: #e8eef7;
   --muted: #8b9cb3;
   --accent: #3d9cf5;
   --accent-hover: #5ab0ff;
   --ok: #3dd68c;
   --err: #f07178;
   --mono: "Cascadia Code", "Consolas", monospace;
}

* {
   box-sizing: border-box;
}

html {
   overflow-y: auto;
   scrollbar-width: none;
   -ms-overflow-style: none;
}

html::-webkit-scrollbar {
   width: 0;
   height: 0;
}

body {
   margin: 0;
   min-height: 100vh;
   font-family: "Segoe UI", "Microsoft JhengHei", sans-serif;
   background: radial-gradient(ellipse at top, #1a2840 0%, var(--bg) 55%);
   color: var(--text);
   line-height: 1.5;
}

.fullscreen-toggle {
   position: fixed;
   top: 1rem;
   right: 1rem;
   z-index: 1000;
   display: inline-flex;
   align-items: center;
   justify-content: center;
   width: 2.5rem;
   height: 2.5rem;
   padding: 0;
   border: 1px solid var(--border);
   border-radius: 8px;
   background: var(--card);
   color: var(--text);
   cursor: pointer;
   box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
   transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.fullscreen-toggle:hover {
   border-color: var(--accent);
   background: #152030;
   color: var(--accent-hover);
}

.fullscreen-toggle:focus-visible {
   outline: 2px solid var(--accent);
   outline-offset: 2px;
}

.fullscreen-icon {
   display: block;
}

body.is-fullscreen .fullscreen-toggle {
   background: rgba(26, 35, 50, 0.92);
}

.page {
   max-width: 1080px;
   margin: 0 auto;
   padding: 2rem 1.25rem 3rem;
}

.header h1 {
   margin: 0.25rem 0 0.5rem;
   font-size: 1.75rem;
   font-weight: 600;
}

.eyebrow {
   margin: 0;
   font-size: 0.8rem;
   letter-spacing: 0.12em;
   text-transform: uppercase;
   color: var(--accent);
}

.subtitle {
   margin: 0;
   color: var(--muted);
   font-size: 0.95rem;
}

.card {
   margin-top: 1.25rem;
   padding: 1.25rem 1.35rem;
   background: var(--card);
   border: 1px solid var(--border);
   border-radius: 12px;
}

.card h2 {
   margin: 0 0 1rem;
   font-size: 1rem;
   font-weight: 600;
}

.field {
   display: flex;
   flex-direction: column;
   gap: 0.35rem;
   font-size: 0.85rem;
   color: var(--muted);
}

.field input,
.field select {
   padding: 0.6rem 0.75rem;
   border: 1px solid var(--border);
   border-radius: 8px;
   background: var(--bg);
   color: var(--text);
   font-size: 0.95rem;
}

.form-grid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
   gap: 0.85rem 1rem;
}

.query-mode {
   display: flex;
   flex-wrap: wrap;
   gap: 1rem 1.5rem;
   margin: 0.85rem 0;
}

.radio-field {
   display: inline-flex;
   align-items: center;
   gap: 0.4rem;
   font-size: 0.92rem;
   cursor: pointer;
}

.field-disabled {
   opacity: 0.45;
   pointer-events: none;
}

.field-disabled.enabled {
   opacity: 1;
   pointer-events: auto;
}

#dataBoundsHint {
   margin: 0.5rem 0 0;
}

.field-wide {
   grid-column: 1 / -1;
}

.checkbox-field {
   display: inline-flex;
   align-items: center;
   gap: 0.45rem;
   font-size: 0.9rem;
   color: var(--muted);
   cursor: pointer;
}

.field-label-row {
   display: flex;
   flex-wrap: wrap;
   align-items: center;
   gap: 0.5rem 0.75rem;
   font-size: 0.85rem;
   line-height: 1.3;
   color: var(--muted);
}

.field-label-row > span,
.field-label-row .hint-inline,
.field-label-row .checkbox-inline {
   margin: 0;
   padding: 0;
   font-size: inherit;
   line-height: inherit;
   color: inherit;
}

.hint-inline {
   margin: 0;
}

.checkbox-inline {
   flex: 0 0 auto;
   display: inline-flex;
   align-items: center;
   gap: 0.35rem;
   height: 1.3em;
}

.checkbox-inline input[type="checkbox"] {
   width: 0.95em;
   height: 0.95em;
   margin: 0;
   padding: 0;
   flex-shrink: 0;
   vertical-align: middle;
}

.refresh-field {
   min-width: 200px;
}

.refresh-field select {
   padding: 0.55rem 0.75rem;
   border: 1px solid var(--border);
   border-radius: 8px;
   background: var(--bg);
   color: var(--text);
   font-size: 0.9rem;
}

.actions {
   align-items: flex-end;
}

#chartStatus {
   margin: 0.85rem 0 0;
   font-size: 0.88rem;
   color: var(--muted);
}

#chartStatus.status-err {
   color: var(--err);
}

.chart-card h2 {
   margin-bottom: 0.75rem;
   font-size: 0.95rem;
   color: var(--muted);
   font-weight: 500;
}

.chart-wrap {
   position: relative;
   display: flex;
   flex-direction: column;
   gap: 0.2rem;
}

.chart-tooltip-band {
   position: relative;
   flex-shrink: 0;
   z-index: 8;
   pointer-events: none;
}

.chart-tooltip-band[hidden] {
   display: none;
}

.chart-plot {
   position: relative;
   height: 460px;
   flex-shrink: 0;
}

.chart-overlay-tr {
   position: absolute;
   top: 8px;
   right: 8px;
   z-index: 6;
   display: flex;
   flex-direction: column;
   align-items: flex-end;
   gap: 6px;
   pointer-events: none;
}

.chart-noise-toggle {
   display: inline-flex;
   align-items: center;
   gap: 0.4rem;
   padding: 0.38rem 0.6rem;
   border: 1px solid var(--border);
   border-radius: 6px;
   background: rgba(15, 20, 28, 0.92);
   font-size: 0.78rem;
   color: var(--muted);
   cursor: pointer;
   user-select: none;
   box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
   pointer-events: auto;
}

.chart-noise-toggle:hover {
   border-color: var(--accent);
   color: var(--text);
}

.chart-noise-toggle input {
   margin: 0;
   cursor: pointer;
}

.chart-tooltip-panel {
   width: 100%;
   padding: 0.28rem 0.45rem;
   border: 1px solid var(--border);
   border-radius: 6px;
   background: rgba(15, 20, 28, 0.94);
   color: var(--text);
   font-size: 0.62rem;
   line-height: 1.25;
   pointer-events: none;
   box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.chart-tooltip-inner {
   display: flex;
   flex-wrap: wrap;
   align-items: baseline;
   gap: 0.2rem 0.55rem;
}

.chart-tooltip-title {
   margin: 0;
   font-weight: 600;
   color: var(--muted);
   font-size: 0.62rem;
   white-space: nowrap;
   flex-shrink: 0;
}

.chart-tooltip-list {
   margin: 0;
   padding: 0;
   list-style: none;
   display: flex;
   flex-wrap: wrap;
   align-items: baseline;
   gap: 0.12rem 0.5rem;
   flex: 1;
   min-width: 0;
}

.chart-tooltip-list li {
   display: inline-flex;
   align-items: baseline;
   gap: 0.25rem;
   margin: 0;
   white-space: nowrap;
}

.chart-tooltip-swatch {
   flex-shrink: 0;
   width: 6px;
   height: 6px;
   border-radius: 2px;
   margin-top: 0.12em;
}

.chart-tooltip-panel[hidden] {
   display: none !important;
}

.btn-ghost {
   background: transparent;
}

.series-toggles {
   display: grid;
   grid-template-columns: repeat(4, minmax(0, 1fr));
   gap: 0.55rem;
}

.series-toggle {
   display: flex;
   align-items: center;
   gap: 0.55rem;
   width: 100%;
   padding: 0.55rem 0.7rem;
   border: 1px solid var(--border);
   border-radius: 8px;
   background: var(--bg);
   color: var(--text);
   font: inherit;
   text-align: left;
   cursor: pointer;
   user-select: none;
   transition: border-color 0.15s, opacity 0.15s;
}

.series-toggle.on {
   border-color: var(--accent);
}

.series-toggle.off {
   opacity: 0.45;
}

.series-toggle .swatch {
   width: 12px;
   height: 12px;
   border-radius: 3px;
   flex-shrink: 0;
}

.swatch-left-axis {
   height: 12px;
}

.swatch-right-axis {
   height: 8px;
   margin-top: 2px;
}

.series-axis-badge {
   margin-left: 0.35rem;
   padding: 0.05rem 0.35rem;
   border-radius: 4px;
   font-size: 0.65rem;
   font-weight: 600;
   color: var(--muted);
   background: rgba(255, 255, 255, 0.06);
   vertical-align: middle;
}

.series-toggle-text {
   display: flex;
   flex-direction: column;
   gap: 0.1rem;
   line-height: 1.2;
}

.series-toggle-text strong {
   font-size: 0.88rem;
}

.series-toggle-text small {
   font-size: 0.72rem;
   color: var(--muted);
}

.chart-legend-hint {
   margin: 0.75rem 0 0;
   text-align: center;
}

.diagnostics summary {
   cursor: pointer;
   font-weight: 600;
   margin-bottom: 0.75rem;
}

.diagnostics .output {
   margin-top: 0.75rem;
}

.hint {
   margin: 0.75rem 0 0;
   font-size: 0.82rem;
   color: var(--muted);
}

.hint code {
   padding: 0.1rem 0.35rem;
   border-radius: 4px;
   background: var(--bg);
   font-family: var(--mono);
   font-size: 0.8rem;
}

.actions {
   display: flex;
   flex-wrap: wrap;
   gap: 0.6rem;
}

button {
   padding: 0.55rem 1rem;
   border: 1px solid var(--border);
   border-radius: 8px;
   background: var(--bg);
   color: var(--text);
   font-size: 0.9rem;
   cursor: pointer;
   transition: border-color 0.15s, background 0.15s;
}

button:hover {
   border-color: var(--accent);
   background: #152030;
}

button.primary {
   border-color: var(--accent);
   background: var(--accent);
   color: #fff;
}

button.primary:hover {
   background: var(--accent-hover);
}

.output {
   margin: 0;
   padding: 1rem;
   min-height: 12rem;
   overflow: auto;
   border-radius: 8px;
   background: var(--bg);
   border: 1px solid var(--border);
   font-family: var(--mono);
   font-size: 0.82rem;
   white-space: pre-wrap;
   word-break: break-word;
}

.output.ok {
   border-color: var(--ok);
}

.output.err {
   border-color: var(--err);
}

@media (max-width: 900px) {
   .series-toggles {
      grid-template-columns: repeat(2, minmax(0, 1fr));
   }
}

@media (max-width: 640px) {
   .form-grid {
      grid-template-columns: 1fr;
   }

   .series-toggles {
      grid-template-columns: 1fr;
   }

   .chart-plot {
      height: 300px;
   }
}

.footer {
   margin-top: 2rem;
   display: flex;
   flex-wrap: wrap;
   gap: 0.5rem;
   font-size: 0.8rem;
   color: var(--muted);
}

.site-footer {
   flex-direction: column;
   align-items: flex-start;
   gap: 0.75rem;
   padding-top: 1rem;
   border-top: 1px solid var(--border);
}

.site-footer p {
   margin: 0;
}

.site-footer a {
   color: var(--accent);
   text-decoration: none;
}

.site-footer a:hover {
   color: var(--accent-hover);
   text-decoration: underline;
}

.site-footer-nav {
   display: flex;
   flex-wrap: wrap;
   gap: 0.75rem 1.25rem;
}

.site-footer-nav a[aria-current="page"] {
   color: var(--text);
   font-weight: 600;
}

.site-footer-status {
   display: flex;
   flex-wrap: wrap;
   gap: 0.5rem;
}

.content-page h2 {
   margin: 1.25rem 0 0.5rem;
   font-size: 0.95rem;
}

.content-page h2:first-child {
   margin-top: 0;
}

.content-page p,
.content-page li {
   color: var(--text);
   font-size: 0.9rem;
}

.content-page ul {
   margin: 0.5rem 0;
   padding-left: 1.25rem;
}

.content-page a {
   color: var(--accent);
}

.contact-list {
   margin: 0;
   display: grid;
   grid-template-columns: 7rem 1fr;
   gap: 0.5rem 1rem;
   font-size: 0.9rem;
}

.contact-list dt {
   color: var(--muted);
   font-weight: 500;
}

.contact-list dd {
   margin: 0;
   color: var(--text);
}

/* 入口頁 */
.landing-page {
   max-width: 720px;
}

.landing-header {
   text-align: center;
   padding: 1.5rem 0 0.5rem;
}

.landing-header h1 {
   font-size: 2rem;
}

.brand-title {
   display: inline-flex;
   align-items: center;
   gap: 0.55rem;
}

.brand-logo {
   height: 1em;
   width: auto;
   display: block;
   flex-shrink: 0;
}

.site-picker h2 {
   text-align: center;
}

.site-buttons {
   display: flex;
   flex-direction: column;
   gap: 0.85rem;
}

.site-btn {
   display: flex;
   flex-direction: column;
   gap: 0.35rem;
   padding: 1.1rem 1.25rem;
   border: 1px solid var(--border);
   border-radius: 12px;
   background: var(--bg);
   color: var(--text);
   text-decoration: none;
   transition: border-color 0.15s, background 0.15s, transform 0.15s;
}

.site-btn:hover {
   border-color: var(--accent);
   background: #152030;
   transform: translateY(-1px);
}

.site-btn.primary {
   border-color: var(--accent);
}

.site-btn-title {
   font-size: 1.05rem;
   font-weight: 600;
}

.site-btn-desc {
   font-size: 0.85rem;
   color: var(--muted);
}

.global-live-entry {
   border-color: #3dd68c;
   background: linear-gradient(135deg, #152030 0%, #1a2d42 100%);
}

.global-live-page {
   max-width: min(100%, 1800px);
}

.global-live-grid {
   display: grid;
   grid-template-columns: repeat(2, 1fr);
   gap: 1rem;
   margin-top: 1rem;
}

.global-live-panel {
   display: flex;
   flex-direction: column;
   gap: 0.5rem;
   min-width: 0;
}

.global-live-panel-head {
   display: flex;
   flex-wrap: wrap;
   align-items: baseline;
   justify-content: space-between;
   gap: 0.5rem 1rem;
}

.global-live-panel-head h2 {
   margin: 0;
   font-size: 1rem;
}

.global-live-link {
   font-size: 0.85rem;
   color: var(--accent);
   text-decoration: none;
   white-space: nowrap;
}

.global-live-link:hover {
   color: var(--accent-hover);
   text-decoration: underline;
}

.global-live-header {
   margin-bottom: 0.25rem;
}

.global-live-header h1 {
   margin-bottom: 0;
}

.global-live-chart-wrap {
   margin-top: 0.35rem;
}

.global-live-chart-wrap .chart-tooltip-panel {
   font-size: 0.58rem;
   padding: 0.22rem 0.4rem;
}

.global-live-chart-wrap .chart-tooltip-title {
   font-size: 0.58rem;
}

.global-live-chart-wrap .chart-plot {
   height: 380px;
}

.global-live-chart-card {
   margin: 0;
   padding: 0;
   border: none;
   background: transparent;
   box-shadow: none;
}

.global-live-chart-card h3 {
   margin: 0 0 0.35rem;
   font-size: 0.9rem;
}

.global-live-chart-card .chart-plot {
   height: 340px;
}

@media (max-width: 1200px) {
   .global-live-grid {
      grid-template-columns: 1fr;
   }

   .global-live-chart-wrap .chart-plot,
   .global-live-chart-card .chart-plot {
      height: 300px;
   }
}

.back-link {
   color: var(--accent);
   text-decoration: none;
}

.back-link:hover {
   color: var(--accent-hover);
   text-decoration: underline;
}

.brand-home-link {
   color: inherit;
   text-decoration: none;
}

.brand-home-link:hover {
   color: inherit;
   text-decoration: none;
}

.eyebrow .brand-home-link {
   color: var(--accent);
}

.eyebrow .brand-home-link:hover {
   color: var(--accent-hover);
   text-decoration: none;
}

/* 頁籤 */
.page-tabs {
   display: flex;
   gap: 0.5rem;
   margin-top: 1.25rem;
   padding: 0.25rem;
   background: var(--card);
   border: 1px solid var(--border);
   border-radius: 12px;
}

.page-tab {
   flex: 1;
   padding: 0.65rem 1rem;
   border: 1px solid transparent;
   border-radius: 8px;
   background: transparent;
   color: var(--muted);
   font-size: 0.95rem;
   font-weight: 500;
}

.page-tab:hover {
   color: var(--text);
   background: var(--bg);
}

.page-tab.active {
   border-color: var(--accent);
   background: var(--accent);
   color: #fff;
}

.page-tab.active:hover {
   background: var(--accent-hover);
}

.tab-panel {
   display: none;
}

.tab-panel.active {
   display: block;
}

.period-selector {
   display: flex;
   flex-wrap: wrap;
   gap: 1rem 1.5rem;
   margin: 0.85rem 0;
}

.chart-zoom-hint {
   margin: 0.35rem 0 0.65rem;
}

/* 異常提醒設定頁 */
.alerts-toolbar {
   display: flex;
   flex-wrap: wrap;
   gap: 0.85rem 1rem;
   align-items: flex-end;
   margin-bottom: 1rem;
}

.data-table {
   width: 100%;
   border-collapse: collapse;
   font-size: 0.88rem;
}

.data-table th,
.data-table td {
   padding: 0.55rem 0.65rem;
   border-bottom: 1px solid var(--border);
   text-align: left;
   vertical-align: top;
}

.data-table th {
   color: var(--muted);
   font-weight: 600;
   font-size: 0.78rem;
}

.data-table tr:last-child td {
   border-bottom: none;
}

.status-ok {
   color: var(--ok);
}

.status-err {
   color: var(--err);
}

.alerts-section {
   margin-top: 1.5rem;
}

.alerts-section h3 {
   margin: 0 0 0.75rem;
   font-size: 0.95rem;
   font-weight: 600;
}

.alerts-message {
   margin: 0.75rem 0 0;
   font-size: 0.88rem;
   color: var(--muted);
}

.alerts-message.error {
   color: var(--err);
}

.alerts-message.success {
   color: var(--ok);
}

.alerts-entry-desc {
   margin: -0.35rem 0 1rem;
   font-size: 0.88rem;
   color: var(--muted);
}

.alerts-entry .site-buttons {
   margin-top: 0.25rem;
}

.alerts-site-field {
   max-width: 28rem;
}

.admin-session-bar {
   display: flex;
   justify-content: flex-end;
   margin: 0 0 0.75rem;
}

.header .admin-session-bar {
   margin: 0.25rem 0 0.5rem;
}

.alerts-auth-card h2,
.alerts-site-card h2,
.alerts-entry h2 {
   margin-bottom: 0.35rem;
}

/* 資料下載確認與進度 */
.download-dialog-overlay[hidden] {
   display: none !important;
   pointer-events: none;
}

.download-dialog-overlay {
   position: fixed;
   inset: 0;
   z-index: 2000;
   display: flex;
   align-items: center;
   justify-content: center;
   padding: 1rem;
   background: rgba(8, 12, 18, 0.72);
   backdrop-filter: blur(2px);
}

.download-dialog {
   width: min(100%, 28rem);
   padding: 1.25rem 1.35rem 1.1rem;
   border: 1px solid var(--border);
   border-radius: 14px;
   background: var(--card);
   box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
}

.download-dialog h3 {
   margin: 0 0 0.75rem;
   font-size: 1.1rem;
}

.download-dialog-body {
   color: var(--text);
}

.download-dialog-stats {
   margin: 0.75rem 0 0.5rem;
   padding: 0;
   list-style: none;
}

.download-dialog-stats li {
   display: flex;
   justify-content: space-between;
   gap: 1rem;
   padding: 0.45rem 0;
   border-bottom: 1px solid var(--border);
}

.download-dialog-stats li:last-child {
   border-bottom: none;
}

.download-dialog-stats span {
   color: var(--muted);
   font-size: 0.92rem;
}

.download-dialog-stats strong {
   text-align: right;
   font-weight: 600;
}

.download-dialog-actions {
   display: flex;
   justify-content: flex-end;
   gap: 0.65rem;
   margin-top: 1rem;
}

.download-progress-wrap {
   margin-top: 0.85rem;
}

.download-progress-track {
   height: 0.55rem;
   overflow: hidden;
   border-radius: 999px;
   background: var(--bg);
   border: 1px solid var(--border);
}

.download-progress-bar {
   width: 0;
   height: 100%;
   border-radius: inherit;
   background: linear-gradient(90deg, var(--accent), var(--ok));
   transition: width 0.2s ease;
}

.download-progress-text {
   margin: 0.55rem 0 0;
   font-size: 0.9rem;
   color: var(--muted);
}

#downloadStatus.error {
   color: var(--err);
}