/* 席替えツール専用スタイル */

/* コンテンツ幅 */
body > main {
  max-width: 1400px !important;
  width: 95% !important;
}

/* 設定パネル */
.settings-box {
  background: var(--glass-bg-alt);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--glass-border);
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 20px var(--glass-shadow);
  max-width: 700px;
  margin: 0 auto 2rem auto;
}

.setting-title {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--text-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.setting-divider {
  border: 0;
  border-top: 1px solid var(--glass-border-strong);
  margin: 1.5rem 0;
  opacity: 0.5;
}

.form-label {
  font-weight: bold;
  color: var(--text-primary);
  font-size: 0.95rem;
}

/* --- ★変更: 影付き白い角丸ボックス（プルダウン・入力欄） --- */
.text-input {
  background-color: #fff !important; /* 白背景 */
  border: 1px solid #e0e0e0 !important; /* 薄い枠線 */
  border-radius: 12px !important;    /* しっかり角丸 */
  box-shadow: 0 4px 10px rgba(0,0,0,0.05) !important; /* ふんわりした影 */
  color: #333 !important;
  padding: 0.6rem 1rem !important;
  transition: all 0.3s ease;
}

.text-input:focus {
  border-color: #3c3c6c !important;
  box-shadow: 0 6px 15px rgba(60, 60, 108, 0.15) !important;
  transform: translateY(-1px);
}

/* --- ★変更: 影付き白い丸角ボタン（生成ボタン） --- */
.simple-btn {
  background-color: #fff !important; /* 白背景 */
  color: #555 !important;
  border: 1px solid #e0e0e0 !important;
  border-radius: 20px !important;    /* 丸みを強く */
  padding: 0.4rem 1.5rem;            /* 横幅を少し広めに */
  font-weight: bold;
  box-shadow: 0 4px 6px rgba(0,0,0,0.08); /* 影 */
  cursor: pointer;
  transition: all 0.2s ease;
  width: auto !important;
  height: auto !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.simple-btn:hover {
  background-color: #fff !important;
  color: #3c3c6c !important; /* ホバーで色を変える */
  transform: translateY(-2px); /* 浮き上がる */
  box-shadow: 0 6px 12px rgba(0,0,0,0.12); /* 影を濃く */
  border-color: #3c3c6c !important;
}

.simple-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

/* --- ラジオボタン（席の決め方） --- */
.btn-outline-custom {
  background-color: #fff;
  color: #555;
  border: 1px solid #ccc;
  padding: 10px;
  width: 50%;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: bold;
}

.btn-check:checked + .btn-outline-custom {
  background-color: #3c3c6c;
  color: #fff !important;
  border-color: #3c3c6c;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.btn-group {
  display: flex;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* --- シンプルなボタン（実行・保存） --- */
.simple-submit {
  background-color: #fff !important; /* ここも白ベースに合わせました */
  color: #333 !important;
  border: 1px solid #ddd !important;
  border-radius: 12px !important; /* 角丸合わせ */
  font-weight: bold;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
}

.simple-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(0,0,0,0.15);
}

.simple-submit:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* --- 以下、既存のスタイル --- */
#count-display {
  font-weight: bold;
  color: var(--text-primary);
}
.text-warning-custom {
  color: #e74c3c !important;
}

.classroom-container {
  padding: 2rem 1rem;
  background: var(--glass-bg);
  border-radius: 1rem;
  border: 1px solid var(--glass-border);
  overflow-x: auto;
  box-shadow: 0 8px 32px var(--glass-shadow);
  text-align: center;
  min-height: 400px;
}

.pulpit {
  width: 300px;
  max-width: 80%;
  margin: 0 auto 1.5rem auto;
  background: var(--purple);
  color: #fff;
  padding: 0.8rem;
  border-radius: 6px;
  font-weight: bold;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.seat-map {
  display: grid;
  gap: 6px;
  justify-content: center;
  margin: 0 auto;
  min-width: max-content;
  padding-bottom: 2rem;
}

.table-group {
  background-color: rgba(255, 255, 255, 0.3);
  border: 4px solid #8899a6;
  border-radius: 12px;
  padding: 6px;
  display: grid;
  gap: 4px;
  position: relative;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

[data-theme="dark"] .table-group {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: #4a5568;
}

.table-group.mode-normal {
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}

.combined-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.05));
  margin: 0 2px;
}

.combined-half {
  background-color: rgba(255, 255, 255, 0.3);
  border: 4px solid #8899a6;
  padding: 6px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  width: 140px;
}

[data-theme="dark"] .combined-half {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: #4a5568;
}

.combined-half.top {
  border-radius: 12px 12px 0 0;
  border-bottom-width: 2px;
}

.combined-half.bottom {
  border-radius: 0 0 12px 12px;
  border-top-width: 2px;
}

.seat {
  width: 100%;
  min-width: 50px;
  height: 45px;
  background: var(--glass-bg-input);
  border: 1px solid var(--glass-border-strong);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2px;
  font-weight: bold;
  font-size: 0.85rem;
  color: var(--text-primary);
  box-shadow: 0 2px 4px var(--glass-shadow);
  cursor: pointer;
  user-select: none;
  transition: all 0.2s;
}

.table-group.mode-normal .seat,
.table-group:not(.combined-container) .seat {
  width: 80px;
  height: 60px;
}

.seat:hover:not(.disabled):not(.active) {
  transform: scale(1.05);
  background: var(--glass-bg-hover);
  border-color: var(--accent-blue);
  z-index: 2;
}

.seat.disabled {
  background-color: rgba(100, 100, 100, 0.1);
  border: 1px dashed var(--text-secondary);
  color: transparent;
  opacity: 0.4;
  cursor: pointer;
  background-image: linear-gradient(45deg, transparent 45%, #999 45%, #999 55%, transparent 55%), linear-gradient(-45deg, transparent 45%, #999 45%, #999 55%, transparent 55%);
  background-size: 20px 20px;
  background-position: center;
  background-repeat: no-repeat;
}

.seat.active {
  background: var(--glass-bg-hover);
  border: 2px solid var(--accent-blue);
  color: var(--text-primary);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .seat.active {
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px var(--accent-glow);
}

.seat.shuffling {
  color: var(--accent-blue);
  background: var(--glass-bg-alt);
}

.seat.empty {
  opacity: 0.5;
  border: 1px dashed var(--text-secondary);
  color: var(--text-secondary);
}

@media (max-width: 600px) {
  .seat {
    min-width: 40px;
    height: 35px;
    font-size: 0.75rem;
  }
  .combined-half {
    width: 100px;
    padding: 4px;
    gap: 3px;
    border-width: 2px;
  }
  .seat-map {
    gap: 4px;
  }
}

/* スクロールバー・矢印調整 */
[data-theme="dark"] {
  color-scheme: dark;
}
* {
  scrollbar-width: thin;
  scrollbar-color: #666 transparent;
}
*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
*::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}
*::-webkit-scrollbar-thumb {
  background-color: #999;
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover {
  background-color: #666;
}
[data-theme="dark"] *::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
}
[data-theme="dark"] *::-webkit-scrollbar-thumb {
  background-color: #666;
}
[data-theme="dark"] *::-webkit-scrollbar-thumb:hover {
  background-color: #888;
}
[data-theme="dark"] input[type="number"]::-webkit-inner-spin-button,
[data-theme="dark"] input[type="number"]::-webkit-outer-spin-button {
  filter: invert(1);
  cursor: pointer;
}
#to-top {
  background-color: #3c3c6c !important;
  color: #ffffff !important;
  border: none !important;
}
#to-top:hover {
  background-color: #5c5c8c !important;
}