/**
 * Numonex V3 — Responsive Overrides
 * Breakpoints: desktop (>768px), tablet (480–768px), mobile (<480px), Kindle Fire
 */

/* ── Tablet (≤ 768px) ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nmx-game-wrap { border-radius: 0; box-shadow: none; }

  .nmx-topbar { padding: 10px 12px; gap: 8px; }

  .nmx-level-btn { padding: 4px 10px; font-size: 12px; }

  .nmx-score-value { font-size: 24px; }

  .nmx-sequence-svg { /* SVG scales natively via viewBox */ }

  .nmx-input-field { width: 80px; height: 50px; font-size: 20px; }

  .nmx-numpad { max-width: 280px; gap: 6px; }
  .nmx-numpad-btn { height: 48px; font-size: 20px; }

  .nmx-gameover-inner { padding: 28px 20px; }
  .nmx-gameover-stats { grid-template-columns: repeat(3,1fr); gap: 8px; }
  .nmx-stat-value { font-size: 24px; }

  .nmx-tutorial-panel { max-height: 88vh; }
}

/* ── Mobile (≤ 480px) ───────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .nmx-topbar { flex-direction: column; align-items: stretch; }
  .nmx-topbar-right { justify-content: flex-end; }

  .nmx-level-selector { justify-content: center; }
  .nmx-level-btn { padding: 4px 8px; font-size: 11px; }

  .nmx-board { padding: 12px 10px 8px; gap: 10px; }

  .nmx-score-bar { padding: 8px 12px; }
  .nmx-score-value { font-size: 22px; }
  .nmx-streak-value { font-size: 18px; }

  /* Sequence SVG — smaller tiles on very narrow screens */
  .nmx-sequence-area { padding: 10px 8px; }

  /* Input fields stack tighter */
  .nmx-input-slots { gap: 8px; }
  .nmx-input-field { width: 70px; height: 48px; font-size: 18px; }

  /* Full-width numpad on mobile */
  .nmx-numpad {
    max-width: 100%;
    grid-template-columns: repeat(3, 1fr);
  }
  .nmx-numpad-btn { height: 52px; font-size: 22px; }

  /* Buttons full-width stacked on very small */
  .nmx-action-btns { flex-direction: column; align-items: center; }
  .nmx-btn { width: 100%; max-width: 320px; justify-content: center; }
  .nmx-btn--reveal { order: 3; }
  .nmx-btn--clue   { order: 2; }
  .nmx-btn--submit { order: 1; }

  .nmx-gameover-inner { padding: 22px 14px; border-radius: 16px; }
  .nmx-gameover-title { font-size: 22px; }
  .nmx-gameover-stats { grid-template-columns: repeat(3,1fr); gap: 6px; }
  .nmx-stat-value  { font-size: 20px; }
  .nmx-stat-label  { font-size: 10px; }

  .nmx-start-screen { padding: 24px 14px; min-height: 320px; }
  .nmx-start-title  { font-size: 22px; }
  .nmx-start-subtitle { font-size: 14px; }

  .nmx-player-name-row { flex-direction: column; align-items: stretch; }
  .nmx-player-name-label { text-align: left; min-width: unset; }

  .nmx-tutorial-panel { border-radius: 16px; }
  .nmx-tutorial-header { padding: 16px 16px 12px; }
  .nmx-tutorial-body   { padding: 16px; }
  .nmx-tutorial-footer { padding: 12px 16px; }
  .nmx-tutorial-title  { font-size: 16px; }
}

/* ── Very small (≤ 360px) ───────────────────────────────────────────────── */
@media (max-width: 360px) {
  .nmx-level-btn { padding: 3px 6px; font-size: 10px; }
  .nmx-input-field { width: 60px; height: 44px; font-size: 16px; }
  .nmx-numpad-btn { height: 46px; font-size: 20px; }
  .nmx-score-value { font-size: 20px; }
}

/* ── Landscape phone ────────────────────────────────────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  .nmx-start-screen { min-height: 240px; padding: 16px; }
  .nmx-start-logo   { display: none; }
  .nmx-start-title  { font-size: 20px; }

  .nmx-board { gap: 8px; padding: 8px 10px; }
  .nmx-numpad { gap: 4px; }
  .nmx-numpad-btn { height: 40px; font-size: 18px; }
  .nmx-input-field { height: 42px; }

  .nmx-tutorial-panel { max-height: 94vh; }
}

/* ── Kindle Fire HD (1920×1200 @ 224ppi — ~853px CSS width) ────────────── */
/* Kindle Fire runs Silk browser (WebKit). Use standard rules; ensure
   touch targets ≥ 48px and avoid hover-only states. */
@media (min-width: 769px) and (max-width: 900px) {
  .nmx-game-wrap { max-width: 100%; }

  .nmx-numpad-btn { height: 56px; font-size: 24px; }
  .nmx-input-field { width: 88px; height: 56px; font-size: 22px; }

  .nmx-level-btn { padding: 6px 14px; font-size: 13px; }

  .nmx-btn { padding: 12px 24px; font-size: 15px; }
  .nmx-icon-btn { width: 42px; height: 42px; }
}

/* ── Touch device: always show numpad, hide it on desktop ───────────────── */
/* Show numpad on all screens — keyboard users can simply use keyboard.
   JS will hide numpad if a physical keyboard is detected (on desktop). */
@media (pointer: coarse) {
  /* Ensure minimum 48×48px touch targets throughout */
  .nmx-level-btn    { min-height: 40px; }
  .nmx-player-count-btn { min-width: 52px; min-height: 52px; }
  .nmx-numpad-btn   { min-height: 52px; }
  .nmx-input-field  { min-height: 52px; }
  .nmx-icon-btn     { width: 44px; height: 44px; }
}

/* ── High contrast / accessibility ─────────────────────────────────────── */
@media (prefers-contrast: high) {
  .nmx-game-wrap {
    --nmx-border:        rgba(0,0,0,0.5);
    --nmx-border-strong: rgba(0,0,0,0.8);
    --nmx-tile-border:   #000;
    --nmx-blank-border:  #000;
  }
  .nmx-game-wrap.nmx-dark {
    --nmx-border:        rgba(255,255,255,0.5);
    --nmx-border-strong: rgba(255,255,255,0.9);
    --nmx-tile-border:   #fff;
    --nmx-blank-border:  #fff;
  }
}

/* ── Print (hide game, show nothing) ────────────────────────────────────── */
@media print {
  .nmx-game-wrap { display: none; }
}