/* ── Reset / Base ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0f0f0f;
  --surface:  #1a1a1a;
  --surface2: #222;
  --border:   #333;
  --text:     #ddd;
  --muted:    #888;
  --p1:       #2980b9;
  --p1-light: #aed6f1;
  --p2:       #c0392b;
  --p2-light: #f1948a;
  --gold:     #f1c40f;
  --green:    #2ecc71;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow: hidden;
}

/* ── Screen switcher ─────────────────────────────────────────────────────── */
.screen { display: none; }
.screen.active { display: flex; flex-direction: column; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  transition: background 0.15s, opacity 0.15s;
}
button:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--p1);
  color: #fff;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 600;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.2); }

.btn-large {
  background: var(--gold);
  color: #111;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 6px;
  display: block;
  width: 100%;
  margin-top: 12px;
}
.btn-large:hover:not(:disabled) { filter: brightness(1.1); }
.btn-large:disabled { background: #444; color: #888; }

/* ══════════════════════════════════════════════════════════════════════════ */
/* ── SETUP SCREEN ─────────────────────────────────────────────────────── */
/* ══════════════════════════════════════════════════════════════════════════ */
#screen-setup {
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  padding: 20px;
  overflow-y: auto;
}

#screen-setup h1 {
  font-size: 2.2rem;
  color: var(--gold);
  text-align: center;
  margin-bottom: 4px;
}

.setup-subtitle {
  text-align: center;
  color: var(--muted);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

/* Budget selector */
.budget-row {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 16px;
  max-width: 880px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}
.budget-label { font-weight: 600; color: var(--text); white-space: nowrap; }
.budget-note  { font-size: 0.72rem; color: var(--muted); }
.budget-presets { display: flex; gap: 6px; flex-wrap: wrap; }
.budget-btn {
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--surface2);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 5px;
}
.budget-btn:hover  { border-color: var(--gold); color: var(--gold); }
.budget-btn.active { background: var(--gold); color: #111; border-color: var(--gold); }

/* Unit guide strip */
.unit-guide {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.guide-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  min-width: 170px;
  font-size: 0.78rem;
  color: var(--muted);
}
.guide-card strong { color: var(--text); display: block; margin-bottom: 4px; font-size: 0.9rem; }
.guide-card .gcost { color: var(--gold); font-weight: 700; }
.guide-card .gdesc { margin-top: 4px; white-space: pre-line; line-height: 1.4; }

/* Two-player setup columns */
.players-row {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
}

.player-col {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.player-col.p1 { border-top: 3px solid var(--p1); }
.player-col.p2 { border-top: 3px solid var(--p2); }

.player-col h2 { margin-bottom: 8px; font-size: 1.1rem; }
.p1-title { color: var(--p1-light); }
.p2-title { color: var(--p2-light); }

.budget-bar {
  font-size: 0.85rem;
  margin-bottom: 12px;
  color: var(--gold);
}

/* Unit cards inside setup */
.unit-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 8px;
}
.unit-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3px;
}
.unit-card-header strong { font-size: 0.88rem; }
.unit-cost { color: var(--gold); font-weight: 700; font-size: 0.85rem; }
.unit-stats { font-size: 0.72rem; color: var(--muted); margin-bottom: 5px; }
.unit-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-minus, .btn-plus {
  width: 28px; height: 28px;
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  line-height: 1;
}
.btn-plus:hover  { background: var(--green);   color: #fff; }
.btn-minus:hover { background: var(--p2); color: #fff; }
.unit-count { font-size: 1rem; font-weight: 700; min-width: 24px; text-align: center; }

.btn-lock {
  background: var(--surface2);
  border: 1px solid var(--muted);
  color: var(--text);
  padding: 7px 14px;
  font-size: 0.9rem;
  width: 100%;
  margin-top: 8px;
  border-radius: 5px;
}
.btn-lock.locked { background: var(--green); color: #fff; border-color: var(--green); cursor: default; }
.btn-lock:hover:not(.locked):not(:disabled) { border-color: var(--green); color: var(--green); }

.vs-divider {
  font-size: 2rem;
  font-weight: 900;
  color: var(--muted);
  align-self: center;
  padding-top: 60px;
}

/* ══════════════════════════════════════════════════════════════════════════ */
/* ── BATTLE SCREEN ────────────────────────────────────────────────────── */
/* ══════════════════════════════════════════════════════════════════════════ */
#screen-battle {
  flex-direction: row;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
#sidebar {
  width: 230px;
  min-width: 230px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 10px 12px;
  gap: 8px;
  overflow-y: auto;
}

#turn-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--p1);
}

#phase-hint {
  font-size: 0.78rem;
  color: var(--muted);
  min-height: 16px;
}

/* Unit info panel */
#unit-info {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.8rem;
  min-height: 70px;
  color: var(--muted);
}
.sel-name { font-size: 0.95rem; font-weight: 700; color: var(--text); margin-bottom: 3px; }
.sel-stat  { color: var(--muted); line-height: 1.6; }
.sel-rally { color: var(--green); font-size: 0.75rem; }
.sel-mode  { color: var(--gold);  font-size: 0.75rem; margin-top: 3px; }

/* Action buttons */
#action-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.action-btn {
  flex: 1 1 45%;
  padding: 7px 6px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 5px;
}
.action-btn:hover:not(:disabled) { background: var(--p1); border-color: var(--p1); color: #fff; }
#btn-charge:hover:not(:disabled) { background: #d4ac0d; border-color: #d4ac0d; color: #111; }
#btn-instruct:hover:not(:disabled) { background: var(--green); border-color: var(--green); color: #111; }

/* Army status */
.army-panel {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 0.78rem;
}
.army-panel.p1-panel { border-left: 3px solid var(--p1); }
.army-panel.p2-panel { border-left: 3px solid var(--p2); }
.army-panel h4 { font-size: 0.82rem; margin-bottom: 3px; }
.dot { color: var(--muted); }

/* Combat log */
#combat-log {
  flex: 1;
  overflow-y: auto;
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
}
.log-line { padding: 1px 0; border-bottom: 1px solid var(--border); }
.log-line:last-child { border: none; }

/* End turn button */
#btn-end-turn {
  background: var(--gold);
  color: #111;
  padding: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 6px;
  width: 100%;
}
#btn-end-turn:hover { filter: brightness(1.1); }

/* Canvas wrapper */
#canvas-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111;
  overflow: hidden;
}

#gameCanvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  image-rendering: pixelated;
  cursor: crosshair;
}

/* ══════════════════════════════════════════════════════════════════════════ */
/* ── GAME OVER SCREEN ─────────────────────────────────────────────────── */
/* ══════════════════════════════════════════════════════════════════════════ */
#screen-gameover {
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
}

.gameover-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

#winner-text {
  font-size: 2.8rem;
  color: var(--gold);
  text-shadow: 0 0 20px rgba(241,196,15,0.5);
}

#battle-summary {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── Responsive canvas scaling ────────────────────────────────────────────── */
@media (max-width: 1060px) {
  #gameCanvas { width: 100%; height: auto; }
}