/* =====================================================================
   Гекснашки – stylesheet
   ===================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f172a;
  --surface:   #1e293b;
  --surface2:  #273548;
  --border:    #334155;
  --text:      #e2e8f0;
  --muted:     #94a3b8;
  --p1:        #3b82f6;
  --p1-light:  #93c5fd;
  --p2:        #ef4444;
  --p2-light:  #fca5a5;
  --accent:    #fbbf24;
  --capture:   #10b981;
  --radius:    10px;
}

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

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  padding: 10px 22px;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .1s, box-shadow .1s, opacity .2s;
}
.btn:hover  { transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,.35); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .4; cursor: not-allowed; }

.btn-primary   { background: var(--p1); color: #fff; }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-copy      { background: var(--accent); color: #000; padding: 8px 14px; font-size: 13px; }
.btn-rotate    { background: var(--surface2); color: var(--accent); border: 1px solid var(--accent); }
.btn-deselect  { background: transparent; color: var(--muted); border: 1px solid var(--border); }

/* ── Home page ──────────────────────────────────────────────────────── */
.home-body { display: flex; align-items: center; justify-content: center; padding: 24px; }

.home-container {
  max-width: 560px;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px 36px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}

.home-logo { margin-bottom: 16px; }

.home-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--p1-light), var(--p1), var(--p2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.home-subtitle {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 28px;
}

.home-rules {
  text-align: left;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 28px;
}

.home-rules h2 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent);
  margin-bottom: 10px;
}

.home-rules ul {
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
}

.home-rules li strong { color: var(--text); }

.home-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.home-buttons .btn { width: 100%; font-size: 16px; padding: 14px; }

/* Online link box */
.online-link-box {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-top: 10px;
}
.online-link-box p { font-size: 13px; color: var(--muted); margin-bottom: 8px; }

.link-row {
  display: flex;
  gap: 8px;
}
.link-row input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
}

/* ── Game page layout ───────────────────────────────────────────────── */
.game-body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Header */
.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  height: 52px;
}

.home-link { color: var(--muted); font-size: 13px; text-decoration: none; white-space: nowrap; }
.home-link:hover { color: var(--text); }

.header-center { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.game-title-small { font-size: 14px; font-weight: 700; color: var(--muted); }

.turn-indicator {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.scores { display: flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 700; }
.score-badge { display: flex; align-items: center; gap: 4px; }
.p1-badge { color: var(--p1-light); }
.p2-badge { color: var(--p2-light); }
.score-sep { color: var(--muted); }

/* Main area */
.game-main {
  display: flex;
  flex: 1;
  overflow: hidden;
  align-items: stretch;
  gap: 8px;
  padding: 8px;
  min-height: 0; /* allow flex child to shrink */
}

/* Side panels */
.piece-panel {
  width: 100px;
  min-width: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  min-height: 0;
}

.panel-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 4px 10px;
  border-radius: 6px;
}

.p1-label { background: rgba(59,130,246,.2); color: var(--p1-light); }
.p2-label { background: rgba(239,68,68,.2);  color: var(--p2-light); }

.pieces-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
  padding: 2px;
}

/* Individual piece canvas in panel */
.piece-item {
  display: block;
  border-radius: 6px;
  transition: transform .15s;
}
.piece-item.interactive { cursor: pointer; }
.piece-item.interactive:hover { transform: scale(1.08); }
.piece-item.selected {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 8px;
}

/* Board */
.board-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

#board-canvas {
  display: block;
  border-radius: 14px;
  cursor: crosshair;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
}

/* Toolbar */
.game-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  height: 52px;
}

.selected-info {
  flex: 1;
  font-size: 13px;
  color: var(--muted);
}

/* Game-over overlay */
.game-over-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}

.game-over-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 48px;
  text-align: center;
  max-width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
}

.game-over-icon { font-size: 56px; margin-bottom: 12px; }
.game-over-card h2 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.game-over-card p { color: var(--muted); font-size: 15px; margin-bottom: 24px; }

/* Responsive tweaks */
@media (max-width: 640px) {
  .piece-panel { width: 64px; min-width: 56px; }
  .pieces-grid { gap: 4px; }
  .game-header { padding: 6px 10px; }
}