/*═══════════════════════════════════POSITION EDITOR MODAL
  Digital Kraken · Light Maritime Theme
  Palette: sand #f3dfbf · metal #7a8b99 · turquoise · gold
═══════════════════════════════════*/

.pe-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(30, 50, 60, 0.75);
  backdrop-filter: blur(6px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.pe-modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pe-fadeIn 0.3s ease;
}

@keyframes pe-fadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to   { opacity: 1; transform: scale(1); }
}

/* ── container ── */
.pe-modal-content {
  background: #f3dfbf;
  width: 95vw;
  max-width: 800px;
  max-height: 95vh;
  overflow-y: auto;
  border: 1px solid #c4a882;
  border-radius: 6px;
  box-shadow:
    0 4px 24px rgba(30, 50, 60, 0.25),
    0 1px 0 rgba(255, 215, 100, 0.15) inset;
}

/* ── header ── */
.pe-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid #c4a882;
  background:
    linear-gradient(135deg, #e8cda4 0%, #f3dfbf 60%, #e2c899 100%);
}

.pe-title {
  margin: 0;
  font-size: 0.75rem;
  color: #3a3028;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.4);
}

.pe-close-btn {
  background: none;
  border: none;
  color: #7a8b99;
  font-size: 24px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.2s, transform 0.2s;
}

.pe-close-btn:hover {
  color: #3a3028;
  transform: scale(1.15);
}

/* ── body layout ── */
.pe-body {
  display: flex;
  gap: 16px;
  padding: 16px 20px 20px;
  background:
    linear-gradient(180deg, #f3dfbf 0%, #eedab7 100%);
}

/* ── sidebar (piece palette) ── */
.pe-sidebar {
  flex-shrink: 0;
  width: 72px;
}

.pe-palette-group {
  margin-bottom: 12px;
}

.pe-palette-label {
  font-size: 0.6rem;
  color: #7a8b99;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  text-align: center;
  font-weight: 600;
}

.pe-palette-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.pe-palette-piece {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid transparent;
  background: #faf0dc;
  border-radius: 4px;
  transition: all 0.2s;
  margin: 0 auto;
}

.pe-palette-piece img {
  width: 26px;
  height: 26px;
  pointer-events: none;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,0.15));
}

.pe-palette-piece:hover {
  border-color: #7a8b99;
  background: #fff7e8;
  box-shadow: 0 2px 8px rgba(122, 139, 153, 0.18);
}

.pe-palette-piece.active {
  border-color: #2a9d8f;
  box-shadow:
    0 0 0 2px rgba(42, 157, 143, 0.3),
    0 2px 8px rgba(42, 157, 143, 0.15);
  background: #e8f6f3;
}

.pe-tool-row {
  display: flex;
  justify-content: center;
}

.pe-eraser-icon {
  font-size: 18px;
}

/* ── board ── */
.pe-board-wrap {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
  position: relative;
}

#pe-board {
  overflow: hidden;
  border-radius: 4px;
  box-shadow:
    0 2px 12px rgba(30, 50, 60, 0.15),
    0 0 0 1px #c4a882;
}

#pe-board .white-1e1d7 {
  background-color: #faf0dc !important;
}

#pe-board .black-3c85d {
  background-color: #c4a882 !important;
}

#pe-board .square-55d63.pe-square-hover {
  box-shadow: inset 0 0 0 3px #2a9d8f;
}

.pe-flip-btn {
  margin-top: 8px;
  width: 100%;
}

/* ── settings panel ── */
.pe-settings {
  flex: 1;
  min-width: 220px;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pe-setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pe-label {
  font-size: 0.65rem;
  color: #7a8b99;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

/* ── radio buttons ── */
.pe-radio-row {
  display: flex;
  gap: 16px;
}

.pe-radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: #3a3028;
  font-size: 0.8rem;
}

.pe-radio-label input[type="radio"] {
  display: none;
}

.pe-radio-custom {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid #c4a882;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pe-radio-white {
  background: #fffdf7;
  border-color: #c4a882;
}

.pe-radio-black {
  background: #fffdf7;
  border-color: #3a3028;
}

.pe-radio-label input[type="radio"]:checked + .pe-radio-custom {
  border-color: #2a9d8f;
  box-shadow: 0 0 0 2px rgba(42, 157, 143, 0.2);
}

.pe-radio-label input[type="radio"]:checked + .pe-radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2a9d8f;
}

/* ── castling checkboxes ── */
.pe-castling-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
}

.pe-check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  color: #3a3028;
  font-size: 0.8rem;
}

.pe-check-label input[type="checkbox"] {
  accent-color: #2a9d8f;
  width: 14px;
  height: 14px;
}

/* ── inputs ── */
.pe-input {
  background: #faf0dc;
  border: 1px solid #c4a882;
  border-radius: 4px;
  color: #3a3028;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pe-input:focus {
  border-color: #2a9d8f;
  box-shadow: 0 0 0 2px rgba(42, 157, 143, 0.15);
}

.pe-input[type="number"] {
  width: 80px;
}

/* ── FEN row ── */
.pe-fen-row {
  display: flex;
  gap: 4px;
}

.pe-fen-field {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
}

.pe-fen-error {
  color: #b5433a;
  font-size: 0.7rem;
  padding: 4px 0;
}

.pe-fen-error.hidden {
  display: none;
}

/* ── validation messages ── */
.pe-validation {
  padding: 8px 12px;
  font-size: 0.75rem;
  border: 1px solid #c4a882;
  border-radius: 4px;
}

.pe-validation.hidden {
  display: none;
}

.pe-validation.pe-valid {
  background: #e8f6f3;
  color: #1f7a5e;
  border-color: #2a9d8f;
}

.pe-validation.pe-invalid {
  background: #fbeae9;
  color: #b5433a;
  border-color: #b5433a;
}

.pe-validation.pe-warning {
  background: #fdf6e3;
  color: #8b6914;
  border-color: #c9a932;
}

/* ── presets ── */
.pe-presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

/* ── buttons ── */
.pe-btn {
  padding: 8px 14px;
  border: 1px solid #c4a882;
  border-radius: 4px;
  background: #faf0dc;
  color: #3a3028;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 0.2s;
}

.pe-btn:hover {
  border-color: #7a8b99;
  box-shadow: 0 2px 8px rgba(122, 139, 153, 0.15);
}

.pe-btn-small {
  padding: 6px 10px;
  font-size: 0.65rem;
}

.pe-btn-primary {
  background: linear-gradient(135deg, #2a9d8f 0%, #34b8a8 100%);
  color: #fffdf7;
  border-color: #238578;
  font-weight: 700;
  width: 100%;
  padding: 10px;
  font-size: 0.75rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
  box-shadow: 0 2px 8px rgba(42, 157, 143, 0.3);
}

.pe-btn-primary:hover {
  background: linear-gradient(135deg, #238578 0%, #2a9d8f 100%);
  box-shadow: 0 4px 14px rgba(42, 157, 143, 0.35);
  border-color: #1c7065;
}

.pe-btn-dark {
  background: #7a8b99;
  color: #fffdf7;
  border-color: #687a88;
}

.pe-btn-dark:hover {
  background: #687a88;
  border-color: #576a78;
}

.pe-btn-secondary {
  background: #eedab7;
  color: #7a8b99;
  width: 100%;
  border-color: #c4a882;
}

.pe-btn-secondary:hover {
  border-color: #7a8b99;
  color: #3a3028;
  background: #faf0dc;
}

.pe-btn-preset {
  background: #eedab7;
  color: #7a8b99;
  font-size: 0.65rem;
  padding: 5px 10px;
}

.pe-btn-preset:hover {
  border-color: #c9a932;
  color: #8b6914;
  background: #fdf6e3;
}

/* ── actions footer ── */
.pe-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid #c4a882;
}

/* ═══════════════ responsive ═══════════════ */
@media (max-width: 768px) {
  .pe-body {
    flex-direction: column;
    align-items: center;
  }

  .pe-sidebar {
    width: 100%;
    order: 2;
  }

  .pe-palette-group {
    margin-bottom: 8px;
  }

  .pe-palette-row {
    grid-template-columns: repeat(6, 1fr);
    max-width: 240px;
    margin: 0 auto;
  }

  .pe-board-wrap {
    order: 1;
    max-width: 340px;
    width: 100%;
  }

  .pe-settings {
    order: 3;
    max-width: 100%;
    width: 100%;
  }

  .pe-modal-content {
    max-height: none;
    width: 100vw;
    min-height: 100vh;
    border-radius: 0;
  }

  .pe-castling-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }

  .pe-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .pe-palette-piece {
    width: 36px;
    height: 36px;
  }

  .pe-palette-piece img {
    width: 30px;
    height: 30px;
  }
}