/* --- Theme tokens --- */

:root {
  --bg-body: #0f172a;
  --bg-elevated: #0b1120;
  --bg-elevated-soft: #020617;
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.12);
  --accent-strong: #fb923c;
  --border-subtle: rgba(148, 163, 184, 0.35);
  --text-primary: #e5e7eb;
  --text-muted: #9ca3af;
  --text-strong: #f9fafb;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.6);
  --transition-fast: 150ms ease-out;
}

/* --- Global reset and base --- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text-primary);
  background: radial-gradient(circle at top, #1f2937 0, #020617 45%, #000 100%);
  display: flex;
  flex-direction: column;
}

/* --- Layout --- */

.app-header {
  padding: 0.9rem 1.25rem 0.4rem;
}

.app-header-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.app-title {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-strong);
}

.app-subtitle {
  margin: 0.25rem 0 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.app-main {
  flex: 1;
  display: flex;
  gap: 1rem;
  max-width: 1120px;
  width: 100%;
  margin: 0 auto 0.75rem;
  padding: 0 1.25rem 0.25rem;
}

/* Controls column */

.control-panel {
  width: 280px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Board column */

.board-panel {
  flex: 1;
  min-width: 0;
  display: flex;
}

.map-container {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, #0f172a 0, #020617 55%, #000 100%);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

/* Canvas must fill container */
canvas#map-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Loading state overlay */

.map-loading-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  background: radial-gradient(
    circle at top,
    rgba(15, 23, 42, 0.95) 0,
    rgba(2, 6, 23, 0.98) 60%,
    rgba(0, 0, 0, 0.98) 100%
  );
  z-index: 1;
}

.spinner {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 3px solid rgba(148, 163, 184, 0.3);
  border-top-color: var(--accent);
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* --- Cards and typography --- */

.card {
  background: linear-gradient(
      135deg,
      rgba(249, 115, 22, 0.12),
      transparent 32%
    ),
    var(--bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 0.9rem 0.8rem;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.45);
}

.card-meta {
  background: var(--bg-elevated-soft);
}

.card-title {
  margin: 0 0 0.55rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.radio-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.95rem;
  cursor: pointer;
}

.radio-row input[type="radio"] {
  accent-color: var(--accent);
}

.helper-text {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.small-text {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- Buttons --- */

.button-row {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
}

.history-row {
  justify-content: space-between;
}

.btn {
  appearance: none;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.45rem 0.9rem;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background-color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: radial-gradient(circle at top left, var(--accent-strong), #f97316);
  border-color: rgba(248, 250, 252, 0.08);
  color: #0b1120;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(249, 115, 22, 0.45);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 16px 35px rgba(249, 115, 22, 0.55);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.9);
  border-color: rgba(148, 163, 184, 0.6);
  color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(15, 23, 42, 1);
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.4);
  color: var(--accent-strong);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent-strong);
}

.btn:disabled {
  cursor: default;
  opacity: 0.5;
  box-shadow: none;
}

/* --- Footer --- */

.app-footer {
  padding: 0 1.25rem 0.75rem;
  text-align: center;
}

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

/* Phones and small screens */
@media (max-width: 768px) {
  .app-main {
    flex-direction: column;
    padding-bottom: 0.5rem;
  }

  .control-panel {
    width: 100%;
    order: 2;
  }

  .board-panel {
    order: 1;
    height: 60vh;
  }
}

/* Tablets and up */
@media (min-width: 769px) {
  .board-panel {
    height: 70vh;
  }
}

/* Large desktops */
@media (min-width: 1280px) {
  .board-panel {
    height: 75vh;
  }
}