/* Midway Circuit Map — app shell styles.
   Mobile-first, light theme, system fonts only, WCAG AA contrast targets,
   44px+ touch targets, safe-area-aware for iOS standalone mode. */

:root {
  /* MMAF brand palette (from MMAF Brand Assets SVGs): blue #10577b,
     marigold #efac37, red #a11f22, green #298d4e. Text-bearing variants are
     darkened until each used pairing clears WCAG AA 4.5:1. */
  --color-primary: #10577b;
  --color-primary-dark: #0b3f5a;
  --color-accent: #efac37;
  --color-accent-dark: #8a5a00;
  --color-bg: #fdf8ee;
  --color-surface: #ffffff;
  --color-text: #1d2a33;
  --color-text-muted: #5a6b74;
  --color-border: #e6dcc8;
  --color-danger: #a11f22;

  --badge-music-bg: #ddeaf3;
  --badge-art-bg: #fdecd1;
  --badge-family-bg: #dff3ea;
  --badge-community-bg: #f9e3e3;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-card: 0 1px 3px rgba(43, 24, 48, 0.1), 0 1px 2px rgba(43, 24, 48, 0.06);
  --shadow-raised: 0 4px 16px rgba(43, 24, 48, 0.18);
  --tab-bar-height: 60px;
  --header-height: 52px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);

  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.4;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3 {
  margin: 0 0 0.5em;
  line-height: 1.2;
}

p {
  margin: 0 0 0.75em;
}

a {
  color: var(--color-primary);
}

button {
  font: inherit;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.noscript-fallback {
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--color-text);
  background: var(--color-bg);
}

/* -- layout shell -- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-accent);
  padding: calc(0.5rem + var(--safe-top)) 1rem 0.5rem;
  text-align: center;
}

.app-header__logo {
  display: block;
  height: 44px;
  max-width: 100%;
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

#view {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1rem 1rem calc(1.5rem + var(--tab-bar-height) + var(--safe-bottom));
  padding-left: calc(1rem + var(--safe-left));
  padding-right: calc(1rem + var(--safe-right));
  outline: none;
}

.splash {
  text-align: center;
  color: var(--color-text-muted);
  padding: 3rem 1rem;
}

.view-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.view-subtitle {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 1.5rem;
  color: var(--color-primary-dark);
}

/* -- bottom tab bar -- */

.tab-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-bottom: var(--safe-bottom);
  box-shadow: 0 -2px 8px rgba(43, 24, 48, 0.06);
}

.tab-bar a {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: var(--tab-bar-height);
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 0.68rem;
  font-weight: 600;
}

.tab-bar a.is-active {
  color: var(--color-primary);
}

.tab-icon {
  width: 24px;
  height: 24px;
}

/* -- notice banner -- */

.notice-banner {
  position: relative;
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-accent);
  color: var(--color-text);
  padding: calc(0.6rem + var(--safe-top)) 1rem 0.6rem;
}

.notice-banner__text {
  flex: 1;
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
}

.notice-banner__dismiss {
  flex: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--color-text);
}

/* -- generic buttons / states -- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  min-height: 44px;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-primary);
}

.btn--star {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--star[aria-pressed="true"] {
  background: var(--badge-art-bg);
  border-color: var(--color-accent-dark);
  color: var(--color-accent-dark);
}

.back-link, .link-btn {
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 700;
  padding: 0.5rem 0;
  min-height: 44px;
  cursor: pointer;
  text-align: left;
}

.empty-state {
  color: var(--color-text-muted);
  padding: 1.5rem 0.5rem;
  text-align: center;
}

.empty-state--hero {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 2rem 1.25rem;
  margin-bottom: 1rem;
}

.empty-state--hero h1 {
  font-size: 1.25rem;
  color: var(--color-primary-dark);
}

.empty-state__note {
  font-size: 0.85rem;
}

/* -- badges -- */

.badge {
  display: inline-block;
  padding: 0.2em 0.65em;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: capitalize;
  white-space: nowrap;
}

.badge--music { background: var(--badge-music-bg); color: #0c4260; }
.badge--art { background: var(--badge-art-bg); color: var(--color-accent-dark); }
.badge--family { background: var(--badge-family-bg); color: #1f6b4a; }
.badge--community { background: var(--badge-community-bg); color: #8f1b1e; }
.badge--vendor-food { background: var(--badge-music-bg); color: #0c4260; }
.badge--vendor-art { background: var(--badge-art-bg); color: var(--color-accent-dark); }
.badge--vendor-retail { background: var(--badge-community-bg); color: #8f1b1e; }

/* -- event list / cards -- */

.event-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.event-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.15rem 0.75rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 0.75rem 0.9rem;
  text-decoration: none;
  color: var(--color-text);
  min-height: 44px;
}

.event-row__time {
  grid-column: 1;
  grid-row: 1 / 3;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  white-space: nowrap;
  align-self: center;
}

.event-row__day {
  display: block;
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #a05f00; /* darker than --color-accent-dark: small text needs 4.5:1 on the white card */
}

.event-row__main {
  grid-column: 2;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.event-row__title {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.event-row__venue {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.event-row .badge {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
}

.event-row__star {
  grid-column: 3;
  grid-row: 2;
  justify-self: end;
  color: var(--color-accent-dark);
}

.event-row-wrap {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
}

.event-row-wrap .event-row {
  flex: 1;
}

.unstar-btn {
  flex: none;
  width: 44px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-danger);
  font-size: 1.1rem;
  cursor: pointer;
}

.venue-group__title, .time-group__title {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--color-bg);
  padding: 0.4rem 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0.6rem;
}

/* -- schedule view -- */

.schedule-controls {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  padding-bottom: 0.6rem;
  margin-bottom: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.day-switcher, .group-toggle {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
}

.day-tab, .toggle-btn {
  min-height: 44px;
  padding: 0 0.9rem;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.day-tab.is-active, .toggle-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.group-toggle {
  align-self: flex-start;
}

/* -- event detail -- */

.event-detail__title {
  font-size: 1.4rem;
  color: var(--color-primary-dark);
  margin-top: 0.4rem;
}

.event-detail__time {
  color: var(--color-text-muted);
  font-weight: 600;
}

.event-detail__venue {
  margin: 0.75rem 0;
}

.event-detail__address {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.event-detail__description {
  white-space: pre-line;
}

.event-detail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

/* -- starred / sponsors intros -- */

.sponsors-intro {
  color: var(--color-text-muted);
}

.sponsor-tier {
  margin-bottom: 1.5rem;
}

.sponsor-tier__title {
  font-size: 1rem;
  color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 0.3rem;
}

.sponsor-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.75rem;
}

.sponsor-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sponsor-card__logo {
  max-height: 48px;
  width: auto;
  object-fit: contain;
  align-self: flex-start;
}

.sponsor-card__name {
  font-size: 0.95rem;
  margin: 0;
}

.sponsor-card__blurb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

.sponsor-card__link {
  font-size: 0.85rem;
  font-weight: 700;
}

/* -- sheet overlay (venue/vendor detail) -- */

.sheet-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(43, 24, 48, 0.45);
  display: flex;
  align-items: flex-end;
}

.sheet {
  position: relative;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  background: var(--color-surface);
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: var(--shadow-raised);
  padding: 1.25rem 1.25rem calc(1.5rem + var(--safe-bottom));
}

.sheet__close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.sheet__title {
  color: var(--color-primary-dark);
  padding-right: 2.5rem;
}

.sheet__address {
  color: var(--color-text-muted);
  margin-top: -0.5rem;
}

.sheet__subtitle {
  font-size: 0.9rem;
  margin-top: 1rem;
}

.sheet__event-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sheet__event-link {
  display: block;
  min-height: 44px;
  display: flex;
  align-items: center;
  text-decoration: none;
  font-weight: 600;
}

/* -- map view -- */

.map-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--color-surface);
}

.map-svg-wrap {
  width: 100%;
  touch-action: none;
  background: #f4ecd8;
}

.map-svg-wrap svg {
  width: 100%;
  height: 100%;
  display: block;
}

.map-loading {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--color-text-muted);
  margin: 0;
}

.map-controls {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.map-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--color-surface);
  color: var(--color-primary-dark);
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: var(--shadow-card);
  cursor: pointer;
}

.map-btn--locate {
  color: var(--color-primary);
}

.map-legend {
  margin-top: 0.9rem;
}

.map-legend__title {
  font-size: 0.9rem;
  color: var(--color-primary-dark);
}

.map-legend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  font-size: 0.85rem;
}

.map-legend__list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.legend-swatch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
  flex: none;
}

.legend-swatch--venue {
  border-radius: 50%;
  background: var(--color-primary);
}

.legend-swatch--food {
  border-radius: 50%;
  background: #d0682f;
}

.legend-swatch--art {
  background: var(--color-accent-dark);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.legend-swatch--retail {
  background: #2f6fa0;
}

.map-attribution {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

.venue-key-list {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.venue-key-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.venue-key-btn__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  flex: none;
}

/* pins live inside the inlined map SVG; coordinates are in map units
   (meters), so these are shape/color rules only — sizing happens in JS. */
.pin { cursor: pointer; }
/* pointer-events: all so the (necessarily transparent) larger hit target is
   still tappable — a transparent SVG fill alone is not reliably hit-tested. */
.pin__hit { fill: transparent; pointer-events: all; }
.pin__circle { fill: var(--color-primary); stroke: #fff; stroke-width: 6; }
.pin__label { fill: #fff; font-family: -apple-system, sans-serif; font-weight: 700; font-size: 44px; }

.pin--vendor-food .pin__vendor-shape { fill: #d0682f; stroke: #fff; stroke-width: 4; }
.pin--vendor-art .pin__vendor-shape { fill: var(--color-accent-dark); stroke: #fff; stroke-width: 4; }
.pin--vendor-retail .pin__vendor-shape { fill: #2f6fa0; stroke: #fff; stroke-width: 4; }

.you-are-here__core { fill: #2f6fa0; stroke: #fff; stroke-width: 6; }
.you-are-here__pulse {
  fill: rgba(47, 111, 160, 0.35);
  animation: pulse 2s ease-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}

@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* -- toasts -- */

#toast-root {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--tab-bar-height) + var(--safe-bottom) + 0.75rem);
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  pointer-events: none;
}

.toast {
  background: var(--color-text);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  max-width: 90vw;
  text-align: center;
}

.toast--visible {
  opacity: 1;
  transform: translateY(0);
}

/* -- focus visibility (keyboard use; taps rely on the visual affordances above) -- */

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-primary-dark);
  outline-offset: 2px;
}

/* -- small screens keep everything single-column by default; from here up,
   give lists a bit more breathing room -- */

@media (min-width: 480px) {
  #view {
    padding-left: calc(1.25rem + var(--safe-left));
    padding-right: calc(1.25rem + var(--safe-right));
  }
}