/* Adventure Page Styles */

.adventure-main {
    padding: 1rem 2rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Continent Title Area */
.continent-title-area {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem 0;
}

.continent-title-bg {
    position: absolute;
    width: 350px;
    height: auto;
}

.continent-title-bg img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.3));
}

.continent-title {
    position: relative;
    z-index: 1;
    font-size: 1.8rem;
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.8);
    margin: 0;
    padding: 0.5rem 2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

/* Continent Selector */
.continent-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.continent-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.continent-btn {
    position: relative;
    width: 80px;
    height: 83px;  /* 非アクティブ比率 149:154 に合わせる */
    border: none;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

/* アクティブ時は大きいサイズ */
.continent-btn.active {
    width: 93px;
    height: 93px;  /* アクティブは正方形 173:173 */
}

.continent-btn-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.continent-btn-icon {
    position: absolute;
    top: 47%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 53px;
    height: 53px;
    object-fit: contain;
    z-index: 1;
    transition: all 0.3s ease;
}

/* アクティブ時のアイコン位置とサイズ */
.continent-btn.active .continent-btn-icon {
    top: 50%;
    width: 60px;
    height: 60px;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.8));
}

.continent-btn:hover {
    transform: scale(1.1);
}

.continent-btn:hover .continent-btn-icon {
    filter: brightness(1.2);
}

.continent-btn.active .continent-btn-bg {
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.6));
}

.continent-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.continent-btn.disabled:hover {
    transform: none;
}

.continent-btn-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: var(--text-sub);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.continent-btn:hover .continent-btn-label,
.continent-btn.active .continent-btn-label {
    opacity: 1;
}

.continent-btn.active .continent-btn-label {
    color: var(--accent-gold);
}

/* Difficulty Toggle */
.difficulty-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-panel);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.difficulty-btn {
    padding: 0.75rem 2rem;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-sub);
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.difficulty-btn:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

.difficulty-btn.active {
    background: linear-gradient(135deg, var(--accent-red-dark), var(--accent-red));
    border-color: var(--accent-red);
    color: #fff;
    box-shadow: 0 0 15px rgba(230, 0, 18, 0.4);
}

.difficulty-btn[data-difficulty="1"].active {
    background: linear-gradient(135deg, #4a1a6b, #8b2fc9);
    border-color: #8b2fc9;
    box-shadow: 0 0 15px rgba(139, 47, 201, 0.4);
}

/* Landmarks Section */
.landmarks-section {
    padding: 1rem;
}

.landmarks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

/* Landmark Card */
.landmark-card {
    position: relative;
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    aspect-ratio: 1;
}

.landmark-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-gold);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
}

.landmark-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.landmark-card:hover .landmark-card-image {
    transform: scale(1.1);
}

.landmark-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
}

.landmark-card-name {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 3px #000;
    margin-bottom: 0.25rem;
}

.landmark-card-stages {
    font-size: 0.8rem;
    color: var(--text-sub);
}

.landmark-card-number {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background: rgba(0, 0, 0, 0.8);
    color: var(--accent-gold);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    overflow-y: auto;
    padding: 2rem;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.modal-content {
    background: var(--bg-panel);
    border-radius: 16px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-red);
}

.modal-header {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(255, 215, 0, 0.05) 0%, transparent 100%);
}

#modal-landmark-img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid var(--accent-gold);
}

.modal-title-area {
    flex: 1;
}

.modal-title-area h2 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.modal-title-area p {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Stages List */
.stages-list {
    padding: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 1rem;
}

.stage-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem 0.5rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.stage-btn:hover {
    border-color: var(--accent-gold);
    background: rgba(255, 215, 0, 0.1);
}

.stage-btn.boss {
    border-color: var(--accent-red-dark);
    background: rgba(230, 0, 18, 0.1);
}

.stage-btn.boss:hover {
    border-color: var(--accent-red);
    box-shadow: 0 0 15px rgba(230, 0, 18, 0.3);
}

.stage-number {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

.stage-label {
    font-size: 0.75rem;
    color: var(--text-sub);
}

/* Stage Detail Modal */
.stage-detail-content {
    max-width: 700px;
}

.stage-detail-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(230, 0, 18, 0.1) 0%, transparent 100%);
}

.stage-detail-header h2 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.stage-info-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.stage-info-item {
    font-size: 0.9rem;
    color: var(--text-sub);
}

.info-label {
    color: var(--accent-gold);
    font-weight: 600;
}

.stage-detail-body {
    padding: 1.5rem;
}

.detail-section {
    margin-bottom: 2rem;
}

.detail-section h3 {
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* Enemies Grid */
.enemies-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.enemy-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.enemy-card.boss {
    border-color: var(--accent-red-dark);
    background: linear-gradient(135deg, rgba(230, 0, 18, 0.1) 0%, var(--bg-card) 100%);
}

.enemy-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.enemy-info {
    display: flex;
    flex-direction: column;
}

.enemy-name {
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 600;
}

.enemy-level {
    font-size: 0.8rem;
    color: var(--text-sub);
}

/* Rewards */
.toggle-rewards-btn {
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.toggle-rewards-btn:hover {
    background: rgba(255, 215, 0, 0.1);
}

.toggle-rewards-btn.active {
    background: var(--accent-gold);
    color: #000;
}

.rewards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.reward-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-main);
}

.reward-item .reward-icon {
    width: 24px;
    height: 24px;
}

.rewards-detail {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.rewards-detail.hidden {
    display: none;
}

.rewards-detail h4 {
    font-size: 0.9rem;
    color: var(--accent-gold);
    margin-bottom: 0.75rem;
}

.reward-detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.reward-detail-item:last-child {
    border-bottom: none;
}

.reward-detail-name {
    color: var(--text-main);
}

.reward-detail-rate {
    color: var(--accent-gold);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .adventure-main {
        padding: 1rem;
    }
    
    .landmarks-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1rem;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .modal-header {
        flex-direction: column;
        text-align: center;
    }
    
    #modal-landmark-img {
        margin: 0 auto;
    }
    
    .stages-list {
        grid-template-columns: repeat(5, 1fr);
        gap: 0.5rem;
    }
    
    .stage-btn {
        padding: 0.75rem 0.25rem;
    }
    
    .stage-number {
        font-size: 1rem;
    }
    
    .difficulty-toggle {
        gap: 0.5rem;
    }
    
    .difficulty-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .landmarks-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stages-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   Nightmare Mode Styles
   ナイトメアモード時のおどろおどろしい雰囲気
   ======================================== */

.adventure-main.nightmare-mode {
    position: relative;
}

/* 全体の紫がかった暗い雰囲気 */
.adventure-main.nightmare-mode::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at center, transparent 0%, rgba(30, 0, 50, 0.4) 100%),
        linear-gradient(180deg, rgba(60, 0, 80, 0.2) 0%, rgba(20, 0, 40, 0.3) 100%);
    pointer-events: none;
    z-index: -1;
    animation: nightmarePulse 4s ease-in-out infinite;
}

@keyframes nightmarePulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

/* タイトルの色変更 */
.adventure-main.nightmare-mode .continent-title {
    color: #e0c0ff;
    text-shadow: 0 0 15px rgba(180, 100, 255, 0.8), 0 0 30px rgba(120, 0, 200, 0.5), 0 2px 4px rgba(0, 0, 0, 0.8);
}

.adventure-main.nightmare-mode .continent-title-bg img {
    filter: drop-shadow(0 0 15px rgba(150, 50, 255, 0.5)) hue-rotate(260deg) saturate(1.3);
}

/* ランドマークカードの変化 */
.adventure-main.nightmare-mode .landmark-card {
    box-shadow: 0 0 20px rgba(100, 0, 150, 0.3), inset 0 0 30px rgba(80, 0, 120, 0.2);
    border-color: rgba(150, 80, 200, 0.4);
}

.adventure-main.nightmare-mode .landmark-card:hover {
    box-shadow: 0 0 30px rgba(150, 50, 255, 0.5), inset 0 0 40px rgba(100, 0, 150, 0.3);
    border-color: rgba(180, 100, 255, 0.6);
}

.adventure-main.nightmare-mode .landmark-card-overlay {
    background: linear-gradient(to top, rgba(40, 0, 60, 0.95) 0%, rgba(60, 0, 90, 0.7) 50%, transparent 100%);
}

.adventure-main.nightmare-mode .landmark-card-name {
    color: #d0a0ff;
    text-shadow: 0 0 8px rgba(180, 100, 255, 0.6);
}

.adventure-main.nightmare-mode .landmark-card-number {
    background: linear-gradient(135deg, #6a0dad, #4a0080);
    box-shadow: 0 0 10px rgba(150, 50, 255, 0.5);
}

/* 難易度ボタンのナイトメア強調 */
.adventure-main.nightmare-mode .difficulty-btn.active {
    background: linear-gradient(135deg, #6a0dad, #4a0080);
    box-shadow: 0 0 15px rgba(150, 50, 255, 0.6);
}

/* 霧のようなエフェクト */
.adventure-main.nightmare-mode .landmarks-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(100, 0, 150, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(80, 0, 120, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: fogDrift 8s ease-in-out infinite alternate;
}

@keyframes fogDrift {
    0% { transform: translateX(-10px) translateY(5px); }
    100% { transform: translateX(10px) translateY(-5px); }
}

.adventure-main.nightmare-mode .landmarks-grid {
    position: relative;
}

/* モーダルもナイトメア風に */
.adventure-main.nightmare-mode ~ .modal .modal-content,
body:has(.adventure-main.nightmare-mode) .modal .modal-content {
    background: linear-gradient(135deg, #1a0825 0%, #0d0015 100%);
    border-color: rgba(150, 80, 200, 0.4);
    box-shadow: 0 0 40px rgba(100, 0, 150, 0.4);
}