:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #061824;
  color: #f7fbff;
  --panel: #0b2232;
  --panel-soft: #102d40;
  --line: rgba(255,255,255,.11);
  --text-soft: #a8bac8;
  --accent: #ffd166;
  --accent-2: #72d6ff;
  --danger: #ff857d;
  --success: #80e1a6;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: #061824; }
body { min-width: 320px; }
button, select, textarea, input { font: inherit; }
button, select { -webkit-tap-highlight-color: transparent; }

.app-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background:
    radial-gradient(circle at top, rgba(64,142,180,.17), transparent 34rem),
    #061824;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--line);
  background: rgba(6,24,36,.92);
  backdrop-filter: blur(10px);
}

.brand-block { min-width: 0; }
.eyebrow {
  margin: 0 0 2px;
  color: var(--accent-2);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.app-title {
  margin: 0;
  font-size: clamp(17px, 5vw, 22px);
  line-height: 1.05;
  letter-spacing: -.02em;
}
.source-badge {
  flex: 0 0 auto;
  max-width: 42vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 9px;
  color: var(--text-soft);
  background: rgba(255,255,255,.035);
  font-size: 10px;
  font-weight: 700;
}

.main-stage {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(360px, 1fr);
  gap: 10px;
  padding: 10px;
}

.play-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}
.play-select {
  width: 100%;
  appearance: none;
  color: #f7fbff;
  background:
    linear-gradient(45deg, transparent 50%, var(--text-soft) 50%) calc(100% - 18px) 50%/6px 6px no-repeat,
    linear-gradient(135deg, var(--text-soft) 50%, transparent 50%) calc(100% - 12px) 50%/6px 6px no-repeat,
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 38px 12px 13px;
  font-size: 14px;
  font-weight: 800;
  outline: none;
}
.play-select:focus { border-color: rgba(114,214,255,.7); box-shadow: 0 0 0 3px rgba(114,214,255,.10); }

.field-card {
  position: relative;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: #104d35;
  box-shadow: 0 18px 48px rgba(0,0,0,.28);
}
.field-canvas { width: 100%; height: 100%; display: block; }

.coaching-overlay {
  position: absolute;
  z-index: 4;
  width: min(238px, calc(100% - 28px));
  transform: translateX(-50%);
  pointer-events: none;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 14px;
  padding: 9px 11px 10px;
  color: #fff;
  background: rgba(4,22,34,.91);
  box-shadow: 0 12px 34px rgba(0,0,0,.34);
  backdrop-filter: blur(9px);
}
.coaching-overlay[hidden] { display: none; }
.cue-title {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
}
.cue-text { margin: 0; font-size: 12px; line-height: 1.3; font-weight: 650; }

.bottom-shell {
  border-top: 1px solid var(--line);
  background: rgba(6,24,36,.96);
  backdrop-filter: blur(12px);
}
.player-controls {
  padding: 10px 12px 12px;
  display: grid;
  gap: 9px;
}
.control-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.play-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #f7fbff;
  font-size: 12px;
  font-weight: 800;
}
.speed-button {
  flex: 0 0 auto;
  min-width: 48px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--accent-2);
  background: var(--panel);
  font-size: 12px;
  font-weight: 900;
}
.scrubber {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}
.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.control-button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: #f7fbff;
  background: var(--panel);
  font-weight: 850;
  cursor: pointer;
}
.control-button:hover { background: var(--panel-soft); }
.control-button.primary {
  border-color: rgba(255,209,102,.45);
  color: #071722;
  background: var(--accent);
}
.control-button[hidden] { display: none; }

.coach-details { border-top: 1px solid var(--line); }
.coach-summary {
  list-style: none;
  cursor: pointer;
  padding: 11px 14px;
  color: var(--text-soft);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.coach-summary::-webkit-details-marker { display: none; }
.coach-panel {
  display: grid;
  gap: 9px;
  padding: 0 12px 12px;
}
.config-json {
  width: 100%;
  min-height: 230px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  color: #dfeefa;
  background: #03131e;
  font: 11px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  outline: none;
}
.config-json:focus { border-color: rgba(114,214,255,.65); }
.coach-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 7px;
}
.coach-button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: #f7fbff;
  background: var(--panel);
  font-size: 11px;
  font-weight: 850;
  cursor: pointer;
}
.coach-button.primary { color: #071722; background: var(--accent-2); }
.config-status { min-height: 18px; margin: 0; font-size: 11px; color: var(--text-soft); }
.config-status[data-type="error"] { color: var(--danger); }
.config-status[data-type="success"] { color: var(--success); }

@media (min-width: 760px) {
  .app-shell { grid-template-columns: minmax(0, 1fr) 360px; grid-template-rows: auto 1fr; }
  .topbar { grid-column: 1 / -1; padding-inline: 18px; }
  .main-stage { padding: 14px; grid-template-rows: auto minmax(560px, 1fr); }
  .bottom-shell { border-top: 0; border-left: 1px solid var(--line); overflow: auto; }
  .player-controls { padding: 16px; position: sticky; top: 0; }
  .coach-details { margin-top: 4px; }
  .field-card { border-radius: 24px; }
}

@media (max-height: 700px) and (max-width: 759px) {
  .main-stage { grid-template-rows: auto minmax(300px, 1fr); }
  .control-button { min-height: 40px; }
  .player-controls { padding-top: 8px; }
}