:root {
  --blue-tint: #d5e3f4;
  --blue-light: #6e9dd8;
  --blue-bright: #1256a8;
  --blue-core: #004392;
  --blue-deep: #00305f;
  --blue-navy: #001730;
  /* Intentionally constant across themes: used for text/icons sitting on
     saturated brand-color surfaces (header, primary buttons, selected
     pills) that stay the same blue in both themes. --surface is the token
     for backgrounds that should actually invert with the theme. */
  --white: #ffffff;
  --paper: #f7f9fb;
  --line: #dfe5ea;
  --line-soft: #eef1f4;
  --muted: #97a4b0;
  --slate: #4e5d6c;
  --ink: #0e1622;
  --success: #1e8e5a;
  --danger: #c8452f;
  --shadow: 0 18px 45px rgba(14, 22, 34, 0.12);
  --radius: 10px;
  --font-display: "Saira Condensed", sans-serif;
  --font-body: "Hanken Grotesk", sans-serif;
  --font-mono: "Space Mono", monospace;

  --tap-min: 56px;
  --page-pad: 16px;
  --switch-on: var(--blue-core);
  --switch-off: var(--line);
  --pill-selected-bg: var(--blue-core);
  --pill-selected-fg: var(--white);
  --pill-bg: var(--paper);
  --pill-fg: var(--slate);
  --surface: var(--white);
  --nav-height: 76px;
}

:root[data-theme="dark"] {
  --blue-tint: #16273f;
  --blue-light: #4c7cc4;
  --blue-bright: #4f8fe0;
  --blue-core: #2f6fc4;
  --blue-deep: #1c4e93;
  --blue-navy: #0a1830;
  --paper: #121c2a;
  --line: #26384e;
  --line-soft: #1b2735;
  --muted: #6d8096;
  --slate: #c3d0dd;
  --ink: #eef3f8;
  --success: #35b47c;
  --danger: #e2604a;
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
  --switch-off: var(--line);
  --pill-bg: var(--line-soft);
  --pill-fg: var(--slate);
  --surface: #16223380;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px));
}

::selection {
  background: var(--blue-core);
  color: var(--white);
}

button, input, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

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

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

/* ---------- App header ---------- */

.app-header {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background:
    linear-gradient(135deg, rgba(18, 86, 168, 0.82), rgba(0, 48, 95, 0.96) 48%, var(--blue-navy)),
    var(--blue-deep);
  color: var(--white);
  padding: 14px var(--page-pad);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.header-brand img {
  height: 32px;
  width: auto;
}

.header-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  background: rgba(0, 23, 48, 0.4);
  color: var(--white);
  font-size: 1.1rem;
  touch-action: manipulation;
}

.icon-btn:active {
  background: rgba(0, 23, 48, 0.65);
}

.theme-toggle-track {
  position: relative;
  width: 44px;
  height: 24px;
  border: 1px solid rgba(166, 196, 233, 0.58);
  border-radius: 999px;
  background: rgba(0, 23, 48, 0.58);
  transition: background 0.15s, border-color 0.15s;
}

.theme-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.26);
  transition: transform 0.15s;
}

.icon-btn[aria-pressed="true"] .theme-toggle-track {
  border-color: var(--blue-light);
  background: var(--blue-core);
}

.icon-btn[aria-pressed="true"] .theme-toggle-thumb {
  transform: translateX(20px);
}

/* ---------- Phase progress ---------- */

.phase-strip {
  display: flex;
  gap: 4px;
  padding: 10px var(--page-pad);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.phase-dot {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--line);
}

.phase-dot.is-complete {
  background: var(--blue-light);
}

.phase-dot.is-active {
  background: var(--blue-core);
}

.phase-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-core);
  padding: 4px var(--page-pad) 0;
}

/* ---------- Page shell ---------- */

.page-shell {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 16px var(--page-pad) 24px;
}

.page-panel {
  display: none;
}

.page-panel.is-active {
  display: block;
}

.page-panel h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 1.8rem;
  line-height: 0.95;
  margin: 4px 0 18px;
  color: var(--ink);
}

/* ---------- Banners ---------- */

.banner {
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  line-height: 1.5;
}

.banner-error {
  background: color-mix(in srgb, var(--danger) 12%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--danger) 40%, var(--line));
  color: var(--danger);
}

.banner-info {
  background: color-mix(in srgb, var(--blue-core) 10%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--blue-core) 35%, var(--line));
  color: var(--blue-deep);
}

:root[data-theme="dark"] .banner-info {
  color: var(--blue-light);
}

.banner-actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.banner ul {
  margin: 6px 0 0;
  padding-left: 20px;
}

/* ---------- Fields ---------- */

.field {
  margin-bottom: 22px;
}

.field-label {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.field-error .field-label {
  color: var(--danger);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.field-input {
  width: 100%;
  min-height: var(--tap-min);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  padding: 0 14px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field-input:focus {
  border-color: var(--blue-light);
  box-shadow: 0 0 0 4px rgba(110, 157, 216, 0.22);
}

.field-input:disabled {
  color: var(--muted);
  background: var(--line-soft);
}

.team-hint {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--blue-core);
  margin-top: 6px;
}

:root[data-theme="dark"] .team-hint {
  color: var(--blue-light);
}

/* Choice pills */

.choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.choice-pill {
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--pill-bg);
  color: var(--pill-fg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  touch-action: manipulation;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.choice-pill.is-selected {
  background: var(--pill-selected-bg);
  color: var(--pill-selected-fg);
  border-color: var(--pill-selected-bg);
}

/* Toggle switch */

.switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
  background: none;
  padding: 4px 0;
  touch-action: manipulation;
}

.switch-track {
  position: relative;
  width: 52px;
  height: 30px;
  border-radius: 999px;
  background: var(--switch-off);
  transition: background 0.15s;
  flex: 0 0 auto;
}

.switch[aria-checked="true"] .switch-track {
  background: var(--switch-on);
}

.switch-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform 0.15s;
}

.switch[aria-checked="true"] .switch-thumb {
  transform: translateX(22px);
}

.switch-text {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink);
}

/* Counter */

.counter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.counter-btn-main {
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  border-radius: 999px;
  border: none;
  background: var(--blue-core);
  color: var(--white);
  font-size: 1.6rem;
  font-weight: 700;
  touch-action: manipulation;
}

.counter-btn-main:active {
  background: var(--blue-deep);
}

.counter-btn-alt {
  min-width: 44px;
  min-height: 44px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--pill-fg);
  border: 1.5px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  touch-action: manipulation;
}

.counter-display {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  min-width: 3ch;
  text-align: center;
  color: var(--ink);
}

/* Timer / cycle timer */

.timer-display {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  text-align: center;
  color: var(--ink);
  margin-bottom: 10px;
}

.timer-controls {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.timer-btn {
  min-height: var(--tap-min);
  min-width: 96px;
  border-radius: var(--radius);
  border: none;
  background: var(--blue-core);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 700;
  padding: 0 18px;
  touch-action: manipulation;
}

.timer-btn-start.is-running {
  background: var(--danger);
}

.timer-btn-secondary {
  background: var(--pill-bg);
  color: var(--pill-fg);
  border: 1.5px solid var(--line);
}

.cycle-list {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--slate);
  text-align: center;
  margin: 10px 0;
  min-height: 1.2em;
  word-break: break-word;
}

/* Field-image map */

.fieldmap-controls {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.fieldmap-btn {
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius);
  background: var(--pill-bg);
  color: var(--pill-fg);
  border: 1.5px solid var(--line);
  font-family: var(--font-body);
  font-weight: 600;
  touch-action: manipulation;
}

.fieldmap-canvas {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  touch-action: manipulation;
  border: 1px solid var(--line);
}

/* ---------- Bottom navigation ---------- */

.page-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--nav-height);
  padding: 12px var(--page-pad) calc(12px + env(safe-area-inset-bottom, 0px));
  display: flex;
  gap: 10px;
  background: var(--surface);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
  z-index: 20;
}

.nav-btn {
  flex: 1;
  min-height: 48px;
  border-radius: var(--radius);
  border: none;
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 0.95rem;
  touch-action: manipulation;
}

.nav-btn-prev {
  background: var(--pill-bg);
  color: var(--pill-fg);
  border: 1.5px solid var(--line);
}

.nav-btn-next {
  background: var(--blue-core);
  color: var(--white);
}

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

/* ---------- QR / end-of-match page ---------- */

.qr-header {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--slate);
  background: var(--pill-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 18px;
  line-height: 1.6;
}

.qr-code-container {
  width: min(320px, 70vw);
  margin: 0 auto 18px;
  display: flex;
  justify-content: center;
}

.qr-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.qr-btn {
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1.5px solid var(--line);
  background: var(--pill-bg);
  color: var(--pill-fg);
  font-weight: 700;
  touch-action: manipulation;
}

.raw-data-panel {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 14px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  margin-bottom: 16px;
}

.clear-btn {
  display: block;
  width: 100%;
  min-height: var(--tap-min);
  border-radius: var(--radius);
  border: 1.5px solid var(--danger);
  background: transparent;
  color: var(--danger);
  font-weight: 800;
  touch-action: manipulation;
}

.clear-btn.is-armed {
  background: var(--danger);
  color: var(--white);
}

/* ---------- Settings dialog ---------- */

dialog.settings-dialog {
  border: none;
  border-radius: 16px;
  padding: 0;
  width: min(420px, calc(100% - 32px));
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

dialog.settings-dialog::backdrop {
  background: rgba(0, 12, 26, 0.55);
}

.dialog-body {
  padding: 22px;
}

.dialog-body h2 {
  font-family: var(--font-display);
  font-style: italic;
  text-transform: uppercase;
  font-size: 1.4rem;
  margin: 0 0 14px;
}

.dialog-body p {
  color: var(--slate);
  font-size: 0.88rem;
  line-height: 1.5;
}

.dialog-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.dialog-actions button {
  flex: 1;
  min-height: 44px;
  border-radius: var(--radius);
  font-weight: 700;
  border: 1.5px solid var(--line);
  background: var(--pill-bg);
  color: var(--pill-fg);
}

.dialog-actions button.primary {
  background: var(--blue-core);
  color: var(--white);
  border-color: var(--blue-core);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .page-shell {
    width: 100%;
  }
}

@media (max-width: 520px) {
  :root {
    --page-pad: 14px;
  }

  .header-title {
    font-size: 0.95rem;
  }

  .page-panel h1 {
    font-size: 1.5rem;
  }

  .counter-btn-main {
    min-width: 64px;
    min-height: 64px;
  }
}