/* 質問フォーム表示用スタイル（自動進行対応完全版） */

/* ==========================================================================
   基本フォームスタイル（既存）
   ========================================================================== */

   .question-form-display {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.question-form-display h3 {
    margin-bottom: 20px;
    color: #333;
    text-align: center;
    font-size: 24px;
}

.question-form {
    width: 100%;
}

.question-item {
    margin-bottom: 25px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 6px;
    border-left: 4px solid #0073aa;
}

.question-item label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #333;
    font-size: 16px;
}

.question-item .required {
    color: #dc3232;
    font-weight: bold;
}

/* 入力フィールドの共通スタイル */
.question-item input[type="text"],
.question-item input[type="email"],
.question-item textarea,
.question-item select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.question-item input[type="text"]:focus,
.question-item input[type="email"]:focus,
.question-item textarea:focus,
.question-item select:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 5px rgba(0,115,170,0.3);
}

.question-item textarea {
    min-height: 80px;
    resize: vertical;
}

/* ラジオボタンとチェックボックス */
.question-item .radio-option,
.question-item .checkbox-option {
    display: block;
    margin-bottom: 8px;
    font-weight: normal;
    cursor: pointer;
    padding: 5px 0;
}

.question-item .radio-option input,
.question-item .checkbox-option input {
    width: auto;
    margin-right: 8px;
    transform: scale(1.2);
}

.question-item .radio-option:hover,
.question-item .checkbox-option:hover {
    background: rgba(0,115,170,0.1);
    border-radius: 4px;
    padding-left: 5px;
}

/* セレクトボックス */
.question-item select {
    background: #fff;
    cursor: pointer;
}

/* 送信ボタン */
.form-submit {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.form-submit .button {
    background: #0073aa;
    color: #fff;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.form-submit .button:hover {
    background: #005a87;
}

/* エラーメッセージ */
.form-error {
    color: #dc3232;
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.question-item.error input,
.question-item.error textarea,
.question-item.error select {
    border-color: #dc3232;
}

.question-item.error .form-error {
    display: block;
}

/* 成功メッセージ */
.form-success {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
}

/* ==========================================================================
   自動進行フォーム専用スタイル
   ========================================================================== */

/* 自動進行フォームコンテナ */
.question-form-display.auto-progress {
    max-width: 600px;
    margin: 20px auto;
    padding: 0;
}

.auto-progress .form-container {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 30px;
    border: 1px solid #e1e5e9;
}

.auto-progress .form-title {
    margin: 0 0 25px 0;
    color: #2c3e50;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

/* 質問ステップ */
.question-step {
    min-height: 200px;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* 自動進行用質問アイテム */
.auto-progress .question-item {
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    transition: all 0.3s ease;
}

.auto-progress .question-item:hover {
    background: #e9ecef;
    border-left-color: #2980b9;
}

.auto-progress .question-item.focused {
    background: #e3f2fd;
    border-left-color: #1976d2;
    box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.2);
}

.auto-progress .question-item label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2c3e50;
    font-size: 16px;
}

.auto-progress .required {
    color: #e74c3c;
    font-weight: bold;
}

/* 自動進行用入力フィールド */
.auto-progress input[type="text"],
.auto-progress input[type="email"],
.auto-progress textarea,
.auto-progress select {
    width: 100%;
    padding: 12px;
    border: 2px solid #bdc3c7;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #fff;
    box-sizing: border-box;
}

.auto-progress input:focus, 
.auto-progress textarea:focus, 
.auto-progress select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    background: #fdfdfd;
}

.auto-progress input:invalid,
.auto-progress textarea:invalid,
.auto-progress select:invalid {
    border-color: #e74c3c;
}

.auto-progress textarea {
    min-height: 100px;
    resize: vertical;
}

/* 自動進行プレースホルダー */
.auto-submit::placeholder {
    color: #999;
    font-style: italic;
}

/* 自動進行用ラジオ・チェックボックス */
.auto-progress .radio-option, 
.auto-progress .checkbox-option {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-weight: normal;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.auto-progress .radio-option:hover,
.auto-progress .checkbox-option:hover {
    background: rgba(52, 152, 219, 0.1);
}

.auto-progress .radio-option input, 
.auto-progress .checkbox-option input {
    width: auto;
    margin-right: 12px;
    transform: scale(1.2);
}

/* チェックボックス確認ボタン */
.checkbox-confirm {
    margin-top: 15px;
    text-align: center;
}

.btn-confirm-checkbox {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-confirm-checkbox:hover {
    background: linear-gradient(135deg, #2980b9 0%, #21618c 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

/* 状態メッセージ */
.loading-message,
.completion-message,
.error-message {
    text-align: center;
    padding: 40px 20px;
    border-radius: 8px;
    margin: 20px 0;
    animation: slideIn 0.3s ease;
}

.loading-message {
    background: #e3f2fd;
    border: 1px solid #bbdefb;
    color: #1565c0;
}

.completion-message {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.error-message {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.loading-message h3,
.completion-message h3,
.error-message h3 {
    margin: 0 0 15px 0;
    font-size: 24px;
}

.loading-message p,
.completion-message p,
.error-message p {
    margin: 0;
    font-size: 16px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   質問タイプ別の特別なスタイル
   ========================================================================== */

.question-item[data-type="email"] {
    border-left-color: #28a745;
}

.question-item[data-type="textarea"] {
    border-left-color: #6f42c1;
}

.question-item[data-type="radio"] {
    border-left-color: #fd7e14;
}

.question-item[data-type="checkbox"] {
    border-left-color: #20c997;
}

.question-item[data-type="select"] {
    border-left-color: #6c757d;
}

/* ==========================================================================
   プログレスバー（5問以上の場合に表示）
   ========================================================================== */

.form-progress {
    margin-bottom: 30px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
}

.progress-text {
    text-align: center;
    margin-bottom: 10px;
    font-weight: bold;
    color: #333;
}

.progress-container {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #0073aa, #00a0d2);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

/* ==========================================================================
   文字数カウンター
   ========================================================================== */

.char-counter {
    font-size: 12px;
    color: #666;
    text-align: right;
    margin-top: 5px;
}

.char-counter.warning {
    color: #dc3232;
    font-weight: bold;
}

/* ==========================================================================
   フォーカス・アニメーション効果
   ========================================================================== */

.question-item.focused {
    transform: scale(1.02);
    box-shadow: 0 4px 15px rgba(0,115,170,0.2);
}

.question-item.validated {
    background: #d4edda;
    border-left-color: #28a745;
}

/* 質問出現アニメーション */
.question-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

.question-item:nth-child(1) { animation-delay: 0.1s; }
.question-item:nth-child(2) { animation-delay: 0.2s; }
.question-item:nth-child(3) { animation-delay: 0.3s; }
.question-item:nth-child(4) { animation-delay: 0.4s; }
.question-item:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   ローディング状態
   ========================================================================== */

.form-loading {
    text-align: center;
    padding: 20px;
    color: #666;
}

.form-loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #0073aa;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   エラー表示の強化
   ========================================================================== */

.form-error {
    color: #d63384;
    font-size: 14px;
    margin-top: 5px;
    padding: 5px;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 3px;
    display: none;
}

.form-success {
    background: #d1edff;
    color: #0c63e4;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #b8daff;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* ==========================================================================
   レスポンシブ対応
   ========================================================================== */

@media (max-width: 768px) {
    .question-form-display,
    .question-form-display.auto-progress {
        margin: 10px;
        padding: 15px;
    }
    
    .auto-progress .form-container {
        padding: 20px;
    }
    
    .question-form-display h3,
    .auto-progress .form-title {
        font-size: 20px;
    }
    
    .question-item,
    .auto-progress .question-item {
        padding: 12px;
    }
    
    .question-item label,
    .auto-progress .question-item label {
        font-size: 14px;
    }
    
    .form-submit .button {
        width: 100%;
        padding: 15px;
    }
    
    .checkbox-confirm {
        margin-top: 20px;
    }
    
    .btn-confirm-checkbox {
        width: 100%;
        padding: 12px;
    }
}

@media (max-width: 480px) {
    .question-form-display,
    .question-form-display.auto-progress {
        margin: 5px;
        padding: 10px;
    }
    
    .auto-progress .form-container {
        padding: 15px;
        margin: 10px;
    }
    
    .question-item input[type="text"],
    .question-item input[type="email"],
    .question-item textarea,
    .question-item select,
    .auto-progress input[type="text"],
    .auto-progress input[type="email"],
    .auto-progress textarea,
    .auto-progress select {
        font-size: 16px; /* iOSでのズームを防ぐ */
    }
    
    .radio-option:hover,
    .checkbox-option:hover,
    .auto-progress .radio-option:hover,
    .auto-progress .checkbox-option:hover {
        margin: -4px;
        padding: 4px;
    }
}

/* ==========================================================================
   アクセシビリティ対応
   ========================================================================== */

/* アニメーション無効設定に対応 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
    
    .question-step {
        animation: none;
    }
    
    .question-item {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
    .question-item,
    .auto-progress .question-item {
        border: 2px solid #000;
    }
    
    input, textarea, select,
    .auto-progress input, 
    .auto-progress textarea, 
    .auto-progress select {
        border: 2px solid #000;
    }
    
    .form-submit .button,
    .btn-confirm-checkbox {
        border: 2px solid #000;
    }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    .question-form-display,
    .auto-progress .form-container {
        background: #2c3e50;
        color: #ecf0f1;
        border-color: #4a6741;
    }
    
    .question-item,
    .auto-progress .question-item {
        background: #34495e;
        color: #ecf0f1;
    }
    
    .auto-progress .question-item {
        background: #3a4f63;
    }
    
    input, textarea, select,
    .auto-progress input, 
    .auto-progress textarea, 
    .auto-progress select {
        background: #2c3e50;
        color: #ecf0f1;
        border-color: #4a6741;
    }
    
    .form-success {
        background: #1a472a;
        color: #d4edda;
        border-color: #28a745;
    }
    
    .form-error,
    .error-message {
        background: #472329;
        color: #f8d7da;
        border-color: #dc3545;
    }
}