/**
 * 診断ページ専用スタイル
 */

/* ==========================================
   診断コンテナ
========================================== */
.diagnosis-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.diagnosis-container {
    max-width: 800px;
    width: 100%;
}

/* ==========================================
   プログレスバー
========================================== */
.progress-wrapper {
    margin-bottom: var(--spacing-xl);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.progress-text {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.7);
}

.progress-percent {
    font-size: var(--fs-sm);
    color: var(--accent-pink);
    font-weight: 700;
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #C9A0DC 0%, #8B0A50 100%);
    border-radius: var(--radius-full);
    transition: width 0.8s cubic-bezier(0.65, 0, 0.35, 1);
    box-shadow: 0 0 20px rgba(201, 160, 220, 0.5);
    position: relative;
    animation: pulseProgress 2s ease-in-out infinite;
}

@keyframes pulseProgress {
    0%, 100% {
        box-shadow: 0 0 20px rgba(201, 160, 220, 0.5);
    }
    50% {
        box-shadow: 0 0 30px rgba(139, 10, 80, 0.7);
    }
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ==========================================
   候補数カウンター
========================================== */
.candidate-counter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(201, 160, 220, 0.1);
    border: 1px solid rgba(201, 160, 220, 0.3);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xl);
    animation: fadeIn 0.5s ease;
}

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

.candidate-icon {
    font-size: 1.5rem;
}

.candidate-text {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.8);
}

.candidate-number {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--accent-lavender);
    margin: 0 var(--spacing-xs);
}

/* 候補数に応じたスタイル変更 */
.candidate-counter.warning {
    background: rgba(233, 30, 99, 0.1);
    border-color: rgba(233, 30, 99, 0.3);
}

.candidate-counter.warning .candidate-number {
    color: var(--accent-pink);
}

.candidate-counter.low .candidate-number {
    color: #FFA726;
}

.candidate-counter.high .candidate-number {
    color: #66BB6A;
}

.warning-icon {
    margin-left: var(--spacing-xs);
    font-size: 1rem;
}

/* ==========================================
   質問カード
========================================== */
.question-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(201, 160, 220, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl) var(--spacing-xl);
    box-shadow: 0 20px 60px rgba(139, 10, 80, 0.4);
    animation: fadeIn 0.5s ease;
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(139, 10, 80, 0.1) 0%,
        rgba(45, 11, 61, 0.1) 100%
    );
    border-radius: var(--radius-xl);
    z-index: -1;
}

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

.question-title {
    font-size: var(--fs-lg);
    font-family: var(--font-display);
    color: var(--neutral-light);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-weight: 600;
    letter-spacing: var(--letter-spacing-wide);
    text-shadow: 0 0 20px rgba(201, 160, 220, 0.5);
}

.question-number {
    display: block;
    font-size: var(--fs-sm);
    background: var(--gradient-metallic);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: var(--letter-spacing-luxury);
    text-align: center;
}

/* ==========================================
   選択肢ボタン
========================================== */
.options-grid {
    display: grid;
    gap: var(--spacing-md);
}

.option-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
    position: relative;
    overflow: hidden;
    font-family: var(--font-primary);
}

/* リップルエフェクト */
.option-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(201, 160, 220, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease, opacity 0.6s ease;
    opacity: 0;
}

.option-btn:active::after {
    width: 300px;
    height: 300px;
    opacity: 1;
    transition: width 0s, height 0s, opacity 0.3s;
}

.option-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(233, 30, 99, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.option-btn:hover::before {
    left: 100%;
}

.option-btn:hover {
    background: rgba(139, 10, 80, 0.15);
    border-color: var(--accent-lavender);
    transform: translateX(12px) translateY(-4px);
    box-shadow: 0 10px 40px rgba(201, 160, 220, 0.4);
}

.option-btn:active {
    transform: translateX(12px) translateY(-2px) scale(0.98);
}

.option-emoji {
    font-size: 2.25rem;
    flex-shrink: 0;
    transition: transform var(--transition-normal);
}

.option-btn:hover .option-emoji {
    transform: scale(1.2) rotate(5deg);
}

.option-content {
    flex: 1;
}

.option-label {
    font-size: var(--fs-base);
    font-weight: 700;
    color: var(--neutral-light);
    margin-bottom: 4px;
}

.option-desc {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================
   戻るボタン
========================================== */
.back-button-form {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.back-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-primary);
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-lavender);
    color: var(--accent-lavender);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(201, 160, 220, 0.3);
}

.back-btn:active {
    transform: translateY(0);
}

.back-arrow {
    font-size: 1.2em;
    transition: transform var(--transition-normal);
}

.back-btn:hover .back-arrow {
    transform: translateX(-4px);
}

/* ==========================================
   ローディング
========================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 10, 46, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    margin-top: var(--spacing-lg);
    font-size: var(--fs-md);
    color: var(--neutral-light);
    text-align: center;
}

.loading-subtext {
    margin-top: var(--spacing-xs);
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   レスポンシブ
========================================== */
@media (max-width: 768px) {
    .question-card {
        padding: var(--spacing-lg);
    }

    .question-title {
        font-size: var(--fs-md);
    }

    .option-btn {
        padding: var(--spacing-md);
    }

    .option-emoji {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .diagnosis-wrapper {
        padding: var(--spacing-md);
    }

    .option-btn:hover {
        transform: translateX(0);
    }
}

/* ==========================================
   画像ボタン（全質問共通）
========================================== */

/* 画像ボタン基本スタイル */
.option-btn-image {
    position: relative;
    padding: 0;
    overflow: hidden;
    aspect-ratio: 2/3;  /* 縦長（DMM風） */
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: rgba(26, 10, 46, 0.6);
}

/* 画像コンテナ */
.option-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* 画像スタイル */
.option-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

/* ホバー効果 - 画像ズーム */
.option-btn-image:hover {
    transform: translateY(-8px);
    border-color: var(--accent-pink);
    box-shadow:
        0 8px 30px rgba(139, 10, 80, 0.4),
        0 0 40px rgba(201, 160, 220, 0.3);
}

.option-btn-image:hover img {
    transform: scale(1.08);
}

/* オーバーレイ（下部グラデーション） */
.option-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 15px;
    background: linear-gradient(
        to top,
        rgba(0, 0, 0, 0.95) 0%,
        rgba(0, 0, 0, 0.8) 40%,
        rgba(0, 0, 0, 0.4) 70%,
        transparent 100%
    );
    color: white;
    transition: all 0.3s ease;
    z-index: 2;
}

.option-btn-image:hover .option-overlay {
    background: linear-gradient(
        to top,
        rgba(139, 10, 80, 0.95) 0%,
        rgba(139, 10, 80, 0.85) 40%,
        rgba(201, 160, 220, 0.6) 70%,
        transparent 100%
    );
    padding: 25px 15px;
}

/* 画像ボタン内のテキストスタイル */
.option-btn-image .option-label {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 6px;
    text-shadow:
        2px 2px 4px rgba(0, 0, 0, 0.9),
        0 0 10px rgba(201, 160, 220, 0.5);
    letter-spacing: 0.05em;
    line-height: 1.3;
}

.option-btn-image .option-desc {
    font-size: 0.95rem;
    opacity: 0.95;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.9);
    letter-spacing: 0.02em;
    line-height: 1.4;
}

/* アクティブ状態 */
.option-btn-image:active {
    transform: translateY(-4px) scale(0.98);
}

/* グリッドレイアウト調整（画像表示時） */
.options-grid:has(.option-btn-image) {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .options-grid:has(.option-btn-image) {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .option-btn-image .option-label {
        font-size: 1.1rem;
    }

    .option-btn-image .option-desc {
        font-size: 0.85rem;
    }

    .option-overlay {
        padding: 15px 12px;
    }

    .option-btn-image:hover .option-overlay {
        padding: 18px 12px;
    }
}

@media (max-width: 480px) {
    .options-grid:has(.option-btn-image) {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .option-btn-image .option-label {
        font-size: 1rem;
    }

    .option-btn-image .option-desc {
        font-size: 0.8rem;
    }

    .option-overlay {
        padding: 12px 10px;
    }

    .option-btn-image:hover {
        transform: translateY(-4px);
    }
}

/* 画像読み込み中のプレースホルダー */
.option-btn-image img[loading="lazy"] {
    background: linear-gradient(
        135deg,
        rgba(139, 10, 80, 0.2),
        rgba(201, 160, 220, 0.2)
    );
}

/* 画像読み込みエラー時のフォールバック */
.option-btn-image img:not([src]),
.option-btn-image img[src=""] {
    opacity: 0;
}