/* SBB-inspired design tokens */
:root {
  --sbb-red: #EB0000;
  --sbb-red-hover: #C60018;
  --sbb-red-active: #A20013;
  --sbb-blue: #2d327d;
  --sbb-white: #FFFFFF;
  --sbb-milk: #F6F6F6;
  --sbb-cloud: #E5E5E5;
  --sbb-charcoal: #212121;
  --sbb-black: #000000;
  --sbb-metal: #767676;
  --sbb-font: "Cormorant Garamond", Georgia, serif;
  --sbb-body-font: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --sbb-bg: #fff1eb;
  --sbb-body-size: 16px;
  --sbb-body-line: 1.75;
  --sbb-body-spacing: 0.03em;
  --sbb-heading-line: 1.4;
  --sbb-heading-spacing: 0;
  --sbb-transition: 250ms ease-out;
  --sbb-radius: 4px;
  --theme-transition: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  --theme-transition-colors: background-color var(--theme-transition), color var(--theme-transition), border-color var(--theme-transition);
  --page-bg-transition: var(--theme-transition);
  /* Single transition string so theme/colorful changes stay in sync everywhere */
  --sync-transition: background-color var(--page-bg-transition), color var(--theme-transition), border-color var(--theme-transition), opacity var(--theme-transition);
}

/* Dark mode */
body[data-theme="dark"] {
  --sbb-bg: #1a1a1a;
  --sbb-charcoal: #e8e8e8;
  --sbb-cloud: #333;
  --sbb-metal: #9a9a9a;
  --sbb-black: #2a2a2a;
}

body[data-theme="dark"] .next-train-line-circle {
  background-color: var(--sbb-charcoal);
  color: var(--sbb-bg);
}

body[data-theme="dark"] .result--error.result {
  background-color: #2a2a2a;
  border-color: var(--sbb-cloud);
}

body[data-theme="dark"] .masthead-rule-line {
  border-bottom-color: rgba(232, 232, 232, 0.5);
}

/* Minimal reset */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }

/* Base */
html {
  font-size: 100%;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--sbb-body-font);
  font-size: var(--sbb-body-size);
  line-height: var(--sbb-body-line);
  letter-spacing: var(--sbb-body-spacing);
  color: var(--sbb-charcoal);
  background-color: var(--sbb-bg);
  min-height: 100vh;
  transition: var(--sync-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1.5rem 1.5rem;
  -webkit-user-select: none;
  user-select: none;
}

/* Masthead – date/time left (date on top, time below), title right, vertically centered */
.masthead {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 1rem 1.5rem;
}

.masthead-rule {
  position: relative;
  display: flex;
  align-items: center;
  flex-basis: 100%;
  width: 100%;
  min-height: 2em;
  margin-top: -0.5rem;
  padding-top: 1rem;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.masthead-rule-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75em;
  height: 1.75em;
  min-width: 1.75em;
  min-height: 1.75em;
  border-radius: 50%;
  background-color: var(--sbb-charcoal);
  color: var(--sbb-white);
  cursor: pointer;
}

.masthead-rule-svg {
  width: 1.25em;
  height: 1.25em;
  display: block;
  line-height: 0;
}

.masthead-rule-line {
  flex: 1;
  min-width: 0;
  border-bottom: 1px dashed rgba(33, 33, 33, 0.6);
  transition: border-bottom-color var(--theme-transition);
}

.masthead-rule-caption {
  position: absolute;
  left: 50%;
  top: 50%;
  /* Align caption center with the dashed line’s vertical center (line is border-bottom of flex-centered rule-line) */
  transform: translate(-50%, calc(-50% + 0.5em));
  padding: 0 0.5em;
  margin: 0;
  border: none;
  background-color: var(--current-bg, var(--sbb-bg));
  font-family: var(--sbb-font);
  font-size: 0.875rem;
  font-style: italic;
  color: inherit;
  cursor: pointer;
  transition: var(--sync-transition);
}

.masthead-rule-caption:hover {
  text-decoration: underline;
}

body[data-colorful="true"] {
  --page-bg-transition: 1.4s cubic-bezier(0.4, 0, 0.2, 1);
  transition: var(--sync-transition);
}

/* First line of left column: station name and time (HH:MM:SS) on same line */
.datetime-first-line {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Current station name (left side, in line with date when a station is selected) */
.current-station-name {
  font-family: var(--sbb-body-font);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: inherit;
  margin: 0;
  transition: var(--sync-transition);
}

/* Right column: headline (right-aligned); left column = .datetime */
.masthead-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}

.headline-slide-wrap {
  position: relative;
  font-size: 3.5rem;
  min-height: 1.2em;
}

.headline-slide-viewport {
  display: block;
  height: 1.2em;
  overflow: hidden;
  position: relative;
}

.headline-slide-strip {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.headline-slide-line {
  height: 1.2em;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 1.2em;
}

.headline-slide-line .headline {
  margin: 0;
}

.headline {
  font-family: var(--sbb-font);
  font-size: 1em;
  font-weight: 400;
  font-style: italic;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--sbb-charcoal);
  margin: 0;
  text-align: right;
  transition: color var(--theme-transition);
}

/* Date/time and statuses in masthead, left side, left-aligned */
.datetime {
  text-align: left;
  font-family: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--sbb-charcoal);
  text-align: left;
  flex-shrink: 0;
  min-width: 10em;
  visibility: visible;
  transition: color var(--theme-transition);
}

.datetime {
  position: relative;
}

.datetime-time-date-line {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.datetime-sep {
  font-weight: 400;
  opacity: 0.8;
}

.datetime-time {
  display: block;
}

.datetime-date {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.datetime-weather {
  display: block;
  line-height: 1.4;
  margin-top: 0;
  font-size: 0.875rem;
  color: var(--sbb-charcoal);
}

.datetime-weather .weather-icon {
  display: inline;
  vertical-align: text-bottom;
  margin-right: 0.25em;
}

.datetime-weather .weather-glyph {
  display: inline-block;
  width: 0.875em;
  height: 0.875em;
  vertical-align: text-bottom;
  stroke: currentColor;
  color: inherit;
}

.datetime-weather .weather-text {
  display: inline;
  vertical-align: baseline;
  text-transform: uppercase;
}

.datetime-flip-lights {
  display: inline-flex;
  align-items: center;
  gap: 0.25em;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  line-height: 1.4;
  font-family: var(--sbb-body-font);
  font-size: 0.875rem;
  color: var(--sbb-charcoal);
  margin-top: 0;
  transition: color var(--theme-transition);
}

.flip-lights-icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  width: 0.875em;
  height: 0.875em;
}

.flip-lights-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  line-height: 0;
  stroke: currentColor;
  color: inherit;
}

.flip-lights-text {
  text-transform: uppercase;
  text-decoration: underline;
  vertical-align: baseline;
}

.datetime-incidents {
  display: block;
  margin-top: 0;
  font-family: var(--sbb-body-font);
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
}

.datetime-incidents .incidents-slide-viewport {
  z-index: 0;
}

.incidents-slide-viewport {
  display: block;
  height: 1.4em;
  overflow: hidden;
  position: relative;
}

.incidents-slide-strip {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.incidents-slide-line {
  height: 1.4em;
  display: flex;
  align-items: center;
  min-height: 1.4em;
}

.datetime-incidents-inner {
  display: inline;
}

.incidents-icon {
  margin-right: 0.25em;
}

.incidents-triangle {
  display: block;
  width: 0.875em;
  height: 0.875em;
  stroke: currentColor;
  color: inherit;
  line-height: 0;
}

.datetime-incidents-inner .incidents-triangle {
  transform: translateY(2px);
}

.incidents-count {
  text-decoration: underline;
  vertical-align: baseline;
}

.datetime-incidents-inner.datetime-incidents-clickable,
.datetime-incidents-back {
  display: inline-flex;
  align-items: center;
  gap: 0.25em;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  line-height: 1.4;
}

.datetime-incidents-inner .incidents-icon,
.datetime-incidents-back .incidents-icon {
  display: inline-flex;
  align-items: center;
}

.incidents-back-arrow {
  display: block;
  width: 0.875em;
  height: 0.875em;
  stroke: currentColor;
  color: inherit;
  line-height: 0;
}

.incidents-back-label {
  text-decoration: underline;
  vertical-align: baseline;
}

/* Incidents list (main content when in incidents view) */
.result-incidents {
  margin-top: 1rem;
  transition: opacity 0.25s ease-out;
}

.result-incidents-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.result-incident-item {
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--sbb-cloud);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition), border-color var(--theme-transition);
}

.result-incident-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.result-incident-lines {
  font-weight: 600;
}

.result-incident-desc {
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
}

.result-incident-updated {
  display: block;
  font-size: 0.75rem;
  color: var(--sbb-metal);
  transition: color var(--theme-transition);
  margin-top: 0.25rem;
}

/* Page load animation */
.page {
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(12px);
  animation: pageIn 500ms ease-out forwards;
  flex: 1;
  width: 100%;
  min-height: 0;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0.5rem;
  padding-top: 2rem;
  padding-left: 0;
}

.wmata-map-wrap {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding-left: 1.5rem;
}

.wmata-map-viewport {
  flex: 1;
  width: 100%;
  min-height: 0;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  position: relative;
}

.wmata-map-viewport:active {
  cursor: grabbing;
}

.wmata-map-inner {
  width: 1100px;
  height: 800px;
  position: relative;
  transform-origin: 0 0;
  will-change: transform;
}

.wmata-map-svg {
  display: block;
  width: 1100px;
  height: 800px;
  pointer-events: none;
  user-select: none;
  color: inherit;
  opacity: 0.85;
  transition: var(--sync-transition);
}

body[data-theme="dark"] .wmata-map-svg {
  opacity: 0.55;
}

/* Animated dots on the map (metro cars) – white on top of lines */
.wmata-map-svg .metro-car {
  fill: #fff;
  animation: metroCarPulse 2.5s ease-in-out infinite;
}
.metro-car--1 { animation-delay: 0s; }
.metro-car--2 { animation-delay: 0.17s; }
.metro-car--3 { animation-delay: 0.34s; }
.metro-car--4 { animation-delay: 0.51s; }
.metro-car--5 { animation-delay: 0.68s; }
.metro-car--6 { animation-delay: 0.85s; }
.metro-car--7 { animation-delay: 1.02s; }
.metro-car--8 { animation-delay: 1.19s; }
.metro-car--9 { animation-delay: 1.36s; }
.metro-car--10 { animation-delay: 1.53s; }
.metro-car--11 { animation-delay: 1.7s; }
.metro-car--12 { animation-delay: 1.87s; }
.metro-car--13 { animation-delay: 2.04s; }
.metro-car--14 { animation-delay: 2.21s; }
.metro-car--15 { animation-delay: 2.38s; }

@keyframes metroCarPulse {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.9; }
}

@keyframes pageIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.content {
  flex: 1;
  min-width: 0;
  max-width: 520px;
  width: 100%;
}

.content[data-state="success"] {
  flex: 0 0 auto;
  width: max-content;
  max-width: 520px;
  margin-left: auto;
  padding-left: 0;
}

.lead {
  margin: 0 0 2rem;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
  opacity: 0;
  transform: translateY(8px);
  animation: textReveal 400ms ease-out 200ms forwards;
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.content[data-state="success"] .lead,
.content[data-state="error"] .lead,
.content[data-state="success"] .or-divider,
.content[data-state="error"] .or-divider,
.content[data-state="success"] .station-picker,
.content[data-state="error"] .station-picker {
  display: none;
}

@keyframes textReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.actions {
  opacity: 0;
  transform: translateY(8px);
  animation: textReveal 400ms ease-out 300ms forwards;
}

/* OR divider – horizontal rule interrupted by "OR" */
.or-divider {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 2rem 0;
  gap: 0.75rem;
}
.or-divider-line {
  flex: 1;
  min-width: 0;
  border-bottom: 1px dashed rgba(33, 33, 33, 0.6);
  transition: border-bottom-color var(--theme-transition);
}
body[data-theme="dark"] .or-divider-line {
  border-bottom-color: rgba(232, 232, 232, 0.5);
}
.or-divider-caption {
  font-family: var(--sbb-heading-font);
  font-style: italic;
  font-size: 1rem;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
  flex-shrink: 0;
}
body[data-theme="dark"] .or-divider-caption {
  color: var(--sbb-off-white);
}

/* Station picker */
.station-picker {
  opacity: 0;
  transform: translateY(8px);
  animation: textReveal 400ms ease-out 400ms forwards;
}
.station-picker-label {
  margin: 0 0 0.75rem;
  font-family: var(--sbb-body-font);
  font-size: 1rem;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
}
body[data-theme="dark"] .station-picker-label {
  color: var(--sbb-off-white);
}
.station-picker-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.station-select {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  font-family: var(--sbb-body-font);
  font-size: 1rem;
  padding: 0.5rem 0.75rem;
  color: var(--sbb-charcoal);
  background-color: transparent;
  border: 1px solid rgba(33, 33, 33, 0.4);
  border-radius: 0;
  transition: border-color var(--theme-transition), color var(--theme-transition);
}
.station-select:focus {
  outline: none;
  border-color: var(--sbb-charcoal);
}
body[data-theme="dark"] .station-select {
  color: var(--sbb-off-white);
  border-color: rgba(255, 255, 255, 0.35);
}
body[data-theme="dark"] .station-select:focus {
  border-color: var(--sbb-off-white);
}
.btn-check {
  flex-shrink: 0;
}

/* Primary button – monochromatic newspaper */
.btn-primary {
  font-family: var(--sbb-body-font);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: var(--sbb-body-spacing);
  color: var(--sbb-white);
  background-color: var(--sbb-charcoal);
  border: none;
  padding: 0.875rem 1.5rem;
  border-radius: 0;
  cursor: pointer;
  transition: var(--theme-transition-colors);
}

.btn-primary:hover {
  background-color: var(--sbb-iron);
}

.btn-primary:active {
  background-color: var(--sbb-black);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--sbb-charcoal);
  outline-offset: 2px;
}

/* Secondary button (error state) */
.btn-secondary {
  font-family: var(--sbb-body-font);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: var(--sbb-body-spacing);
  color: var(--sbb-blue);
  background-color: transparent;
  border: 2px solid var(--sbb-blue);
  padding: 0.5rem 1rem;
  border-radius: var(--sbb-radius);
  cursor: pointer;
  margin-top: 1rem;
  transition: var(--theme-transition-colors), transform var(--sbb-transition);
}

.btn-secondary:hover {
  background-color: var(--sbb-blue);
  color: var(--sbb-white);
  transform: scale(1.02);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--sbb-blue);
  outline-offset: 2px;
}

/* Result block */
.result {
  margin-top: 1.5rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 300ms ease-out, transform 300ms ease-out;
}

.result[data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

.result--next-trains.result {
  padding: 0;
  background: none;
  border: none;
  transition: opacity 0.2s ease-out;
}

.result--error.result {
  padding: 1.25rem;
  background-color: var(--sbb-white);
  border: 1px solid var(--sbb-cloud);
  border-radius: var(--sbb-radius);
  transition: var(--theme-transition-colors);
}

.result-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: var(--sbb-heading-line);
  margin: 0 0 0.5rem;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
}

.result-message {
  margin: 0;
  font-size: 0.875rem;
  color: var(--sbb-metal);
  transition: color var(--theme-transition);
}

.result--error .result-title {
  color: var(--sbb-red);
}

/* Next trains – minutes right under "Metro in:", line/dest left under date/time */
.result-next-trains {
  margin-top: 1rem;
}

.next-train-block {
  margin-bottom: 1rem;
}

.next-train-block:last-child {
  margin-bottom: 0;
}

.next-train-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
  gap: 0.25rem;
}


.next-train-min {
  width: 100%;
  min-height: 5.5rem;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  white-space: nowrap;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.25rem;
  font-style: italic;
  letter-spacing: 0.1em;
}

.next-train-min-num {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 5rem;
  font-style: italic;
  line-height: 1;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Text-only status (Arriving, Boarding, —): same size as headline, ALL CAPS */
.next-train-min-num:not(.next-train-min-num--numeric) {
  font-size: 3.5rem;
  font-weight: 400;
  text-transform: uppercase;
}

.next-train-min-num--numeric {
  font-weight: 600;
}

.next-train-min-label {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  font-style: italic;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Train status slide animation (old up, new from below) */
.train-status-slide-viewport {
  display: block;
  width: 100%;
  height: 5.5rem;
  overflow: hidden;
  position: relative;
}

.train-status-slide-strip {
  width: 100%;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.train-status-slide-line {
  width: 100%;
  height: 5.5rem;
  min-height: 5.5rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  white-space: nowrap;
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
}

.train-status-slide-line .next-train-min-num,
.train-status-slide-line .next-train-min-label {
  font-family: "Playfair Display", Georgia, serif;
}

.next-train-line-dest {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

.next-train-line-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5em;
  height: 1.5em;
  min-width: 1.5em;
  min-height: 1.5em;
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: var(--sbb-black);
  color: var(--sbb-white);
  font-family: var(--sbb-body-font);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
  transition: var(--theme-transition-colors);
}

.next-train-dest {
  margin: 0;
  font-family: var(--sbb-body-font);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--sbb-charcoal);
  transition: color var(--theme-transition);
}

.next-train-divider {
  margin: 1rem 0;
  border: none;
  border-top: 1px solid rgba(33, 33, 33, 0.2);
  max-width: 100%;
}

/* Hide actions and station picker when result is shown */
.content[data-state="success"] .actions,
.content[data-state="error"] .actions {
  display: none;
}

.content[data-state="success"] .result#result,
.content[data-state="error"] .result#result-error {
  display: block;
}

.result[hidden] {
  display: none !important;
}