/* アクセス制限モーダルのCSS */

/* 既存のアクセス制限メッセージを非表示（より具体的なセレクタで優先度を上げる） */
body .course01-access-denied-message,
.entry-content .course01-access-denied-message,
.post-content .course01-access-denied-message {
    display: none;
    visibility: hidden;
    opacity: 0;
    height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

/* オーバーレイ */
.course01-modal-overlay {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

/* モーダルコンテンツ */
.course01-modal-content {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.7) translateY(-50px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

/* 表示アニメーション */
.course01-modal-content.course01-modal-show {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* 非表示アニメーション */
.course01-modal-content.course01-modal-hide {
    transform: scale(0.9) translateY(20px);
    opacity: 0;
}

/* モーダルヘッダー */
.course01-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 16px;
    border-bottom: 1px solid #f1f5f9;
}

/* アイコン */
.course01-modal-icon {
    font-size: 32px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.course01-modal-icon.warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde047 100%);
    border: 2px solid #f59e0b;
}

.course01-modal-icon.info {
    background: linear-gradient(135deg, #dbeafe 0%, #60a5fa 100%);
    border: 2px solid #3b82f6;
}

.course01-modal-icon.error {
    background: linear-gradient(135deg, #fee2e2 0%, #f87171 100%);
    border: 2px solid #dc2626;
}

/* 閉じるボタン */
.course01-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #64748b;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: all 0.2s ease;
    line-height: 1;
}

.course01-modal-close:hover {
    background: #f1f5f9;
    color: #334155;
}

.course01-modal-close:focus {
    outline: 2px solid #ff0000;
    outline-offset: 2px;
}

/* モーダルボディ */
.course01-modal-body {
    padding: 16px 24px 24px;
}

.course01-modal-body h3 {
    margin: 0 0 16px 0;
    font-size: 20px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.3;
}

.course01-modal-body p {
    margin: 0;
    font-size: 16px;
    color: #475569;
    line-height: 1.6;
}

/* モーダルフッター */
.course01-modal-footer {
    padding: 16px 24px 24px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* OKボタン */
.course01-modal-ok-btn {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
}

.course01-modal-ok-btn:hover {
    background: linear-gradient(135deg, #cc0000 0%, #a00000 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 0, 0, 0.4);
}

.course01-modal-ok-btn:focus {
    outline: 2px solid #ff0000;
    outline-offset: 2px;
}

.course01-modal-ok-btn:active {
    transform: translateY(0);
}

/* タイマー表示 */
.course01-modal-timer {
    text-align: center;
}

.course01-timer-text {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 8px;
    display: block;
}

.course01-timer-bar {
    width: 100%;
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.course01-timer-progress {
    height: 100%;
    background: linear-gradient(90deg, #ff0000 0%, #cc0000 100%);
    width: 100%;
    border-radius: 2px;
    animation: course01-timer-countdown 7s linear forwards;
    transform-origin: left;
}

@keyframes course01-timer-countdown {
    from {
        transform: scaleX(1);
    }
    to {
        transform: scaleX(0);
    }
}

/* レスポンシブ対応 */
@media (max-width: 640px) {
    .course01-modal-overlay {
        padding: 16px;
    }
    
    .course01-modal-content {
        margin: 0;
        border-radius: 12px;
        max-height: 85vh;
    }
    
    .course01-modal-header {
        padding: 20px 20px 12px;
    }
    
    .course01-modal-body {
        padding: 12px 20px 20px;
    }
    
    .course01-modal-body h3 {
        font-size: 18px;
    }
    
    .course01-modal-body p {
        font-size: 15px;
    }
    
    .course01-modal-footer {
        padding: 12px 20px 20px;
    }
    
    .course01-modal-ok-btn {
        padding: 14px 24px;
        font-size: 15px;
    }
    
    .course01-modal-icon {
        font-size: 28px;
        width: 40px;
        height: 40px;
    }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    .course01-modal-content {
        background: #1e293b;
        color: #f1f5f9;
    }
    
    .course01-modal-header {
        border-bottom-color: #334155;
    }
    
    .course01-modal-body h3 {
        color: #f1f5f9;
    }
    
    .course01-modal-body p {
        color: #cbd5e1;
    }
    
    .course01-modal-footer {
        border-top-color: #334155;
    }
    
    .course01-modal-close {
        color: #94a3b8;
    }
    
    .course01-modal-close:hover {
        background: #334155;
        color: #f1f5f9;
    }
    
    .course01-timer-text {
        color: #94a3b8;
    }
    
    .course01-timer-bar {
        background: #334155;
    }
}

/* アクセシビリティ対応 */
@media (prefers-reduced-motion: reduce) {
    .course01-modal-content {
        transition: none;
        transform: none;
    }
    
    .course01-modal-content.course01-modal-show,
    .course01-modal-content.course01-modal-hide {
        transform: none;
    }
    
    .course01-modal-ok-btn:hover {
        transform: none;
    }
    
    .course01-timer-progress {
        animation: none;
        transform: scaleX(0);
    }
}

/* 高コントラスト対応 */
@media (prefers-contrast: high) {
    .course01-modal-content {
        border: 3px solid #000;
    }
    
    .course01-modal-ok-btn {
        border: 2px solid #000;
    }
    
    .course01-modal-close:focus,
    .course01-modal-ok-btn:focus {
        outline: 3px solid #000;
        outline-offset: 3px;
    }
}