/* style_level_select.css */
/* 职责：定义关卡选择（大厅）场景的专属样式。 */

/* --- 关卡选择场景 --- */
.scene-hub {
    padding: 0;
    position: relative;
    overflow: hidden;
    /* 1. 底层：清晰的原始背景图 */
    background-image: url('images/bg/background.jpg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

/* 模糊层：覆盖在底层之上，实现从左到右的模糊渐变 */
.scene-hub::after {
    content: '';
    position: absolute;
    inset: 0;
    
    /* 2. 使用相同的背景图 */
    background-image: url('images/bg/background.jpg');
    background-size: cover;
    background-position: center;
    
    /* 3. 应用标准模糊 */
    filter: blur(10px);
    transform: scale(1.05); /* 防止白边 */
    
    /* 4. 模糊过渡范围：25%处开始模糊，55%处完全模糊 */
    -webkit-mask-image: linear-gradient(to right, transparent 25%, black 55%);
    mask-image: linear-gradient(to right, transparent 25%, black 55%);
    
    z-index: 1; 
    pointer-events: none;
}

/* 角色立绘层 */
#hub-character-portrait {
    position: absolute;
    left: 0;
    top: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
    overflow: hidden;

    /* 立绘右边缘羽化：最后15%逐渐变透明 */
    -webkit-mask-image: linear-gradient(to right, black 85%, transparent 100%);
    mask-image: linear-gradient(to right, black 85%, transparent 100%);
}

/* 低金币提示：角色思考气泡（独立于立绘层，避免被羽化遮罩裁切） */
#hub-thought-bubble {
    position: absolute;
    top: calc(10% - 50px);
    /* 原立绘内 36% + 150px → 相对全屏宽 50% × 36% + 150px */
    left: calc(18% + 150px);
    z-index: 4;
    max-width: min(38vw, 300px);
    padding: 0.85rem 1.1rem;
    border-radius: 18px;
    background: rgba(255, 252, 245, 0.94);
    border: 2px solid rgba(255, 255, 255, 0.85);
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.65);
    color: #3f3f46;
    font-size: 0.95rem;
    line-height: 1.45;
    text-shadow: none;
    pointer-events: auto;
    cursor: pointer;
    animation: hubThoughtFloat 3.2s ease-in-out infinite;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

#hub-thought-bubble.hidden {
    display: none;
}

#hub-thought-bubble:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow:
        0 10px 28px rgba(0, 0, 0, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

#hub-thought-bubble::before,
#hub-thought-bubble::after {
    content: '';
    position: absolute;
    background: rgba(255, 252, 245, 0.94);
    border: 2px solid rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

#hub-thought-bubble::before {
    width: 14px;
    height: 14px;
    left: 18%;
    bottom: -22px;
}

#hub-thought-bubble::after {
    width: 8px;
    height: 8px;
    left: 10%;
    bottom: -36px;
    border-width: 1px;
}

#hub-thought-bubble.is-actionable {
    animation: hubThoughtFloat 3.2s ease-in-out infinite, hubThoughtPulse 2.4s ease-in-out infinite;
}

@keyframes hubThoughtPulse {
    0%, 100% {
        box-shadow:
            0 8px 24px rgba(0, 0, 0, 0.28),
            inset 0 1px 0 rgba(255, 255, 255, 0.65),
            0 0 0 0 rgba(167, 139, 250, 0.35);
    }
    50% {
        box-shadow:
            0 10px 28px rgba(0, 0, 0, 0.32),
            inset 0 1px 0 rgba(255, 255, 255, 0.75),
            0 0 0 8px rgba(167, 139, 250, 0.12);
    }
}

#hub-thought-bubble .hub-thought-text {
    margin: 0;
    font-weight: 600;
}

@keyframes hubThoughtFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

#hub-character-portrait img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    object-position: 50% 50%;
}

/* 主内容UI层 */
.hub-main-content {
    position: absolute;
    right: 0;
    top: 0;
    width: 65%;
    height: 100%;
    z-index: 2; /* 必须高于模糊层(z:1) */
    display: flex;
    flex-direction: column;
    padding: 3rem 4rem 3rem 2rem;
    box-sizing: border-box;
}

/* 移除旧的背景模糊方案 */
.hub-main-content::before {
    display: none;
}


/* --- 顶部信息栏样式 --- */
#hub-top-bar {
    height: 32px;
    border-style: solid;
    border-width: 0px 10px;
    border-image-source: url('images/ui/hub/hub_top_bar_bg.png');
    border-image-slice: 0 10 0 10 fill;
    border-image-repeat: stretch;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 20px;
    flex-shrink: 0;
    margin-bottom: 2rem;
}

.hub-resource-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hub-resource-display img {
    height: 24px;
    width: 24px;
}

#hub-gold-value {
    font-size: 1.25rem;
    font-weight: bold;
    color: #FBBF24;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
}


.level-scroller {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 1rem;
    overflow-x: auto;
    overflow-y: hidden;
    /* 拖动样式 */
    cursor: grab;
    cursor: -webkit-grab;

    /* 【新增】列表左右边缘羽化遮罩 */
    /* 左边5%和右边5%逐渐透明，实现关卡卡片柔和淡出 */
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.level-scroller::-webkit-scrollbar { height: 12px; }
.level-scroller::-webkit-scrollbar-track { background: var(--color-panel); border-radius: 10px;
}
.level-scroller::-webkit-scrollbar-thumb { background-color: var(--color-panel-light); border-radius: 10px; border: 3px solid var(--color-panel); }

/* 拖动时的鼠标样式 */
.level-scroller.active-drag {
    cursor: grabbing;
    cursor: -webkit-grabbing;
    user-select: none;
}


.level-button.hub-thought-highlight {
    animation: hubLevelHighlight 2.2s ease-out;
}

@keyframes hubLevelHighlight {
    0%, 100% {
        filter: drop-shadow(0 0 0 rgba(251, 191, 36, 0));
    }
    25%, 75% {
        filter: drop-shadow(0 0 14px rgba(251, 191, 36, 0.85));
    }
}

/* --- 关卡按钮样式 --- */
.level-button {
    flex-shrink: 0;
    width: 224px;
    height: 550px;
    background-color: transparent;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    border: none;
    padding: 0;
    color: white;
    cursor: pointer;
    text-align: center;
    transition: transform 0.2s ease, filter 0.2s ease;
    position: relative; /* 成为子元素定位的基准 */
    background-image: url('images/ui/hub/level_scroll_default.png');
}

.level-button:hover:not(.locked) {
    transform: translateY(-5px);
    background-image: url('images/ui/hub/level_scroll_hover.png');
}

.level-button.locked {
    cursor: not-allowed;
    background-image: url('images/ui/hub/level_scroll_locked.png');
}

.level-button.locked:hover {
    transform: none;
    background-image: url('images/ui/hub/level_scroll_locked.png'); 
}

/* Demo：可见但不可玩（点击 → 试玩边界弹窗） */
.level-button.demo-showcase {
    cursor: pointer;
    opacity: 0.88;
}
.level-button.demo-showcase:hover {
    transform: translateY(-3px);
    background-image: url('images/ui/hub/level_scroll_hover.png');
}

.level-button:hover:not(.locked) .level-enemy-portrait img {
    filter: saturate(1);
    opacity: 1;
}

.level-button:hover:not(.locked) .level-foreground {
    background-image: url('images/ui/hub/level_scroll_foreground_hover.png');
}


/* 前景图层 */
.level-foreground {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-image: url('images/ui/hub/level_scroll_foreground_default.png');
    pointer-events: none;
    z-index: 3;
}


/* 敌人立绘容器 */
.level-enemy-portrait {
    position: absolute;
    top: 55px;
    left: 22px;
    right: 22px;
    height: 320px;
    z-index: 1;
    overflow: hidden;
}

.level-enemy-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(0.5);
    opacity: 0.7;
    transition: filter 0.2s ease, opacity 0.2s ease;
}

.level-info {
    position: absolute;
    bottom: 75px;
    left: 25px;
    right: 25px;
    height: 95px; 
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center; 
    color: #422b0c;
    padding: 0.25rem 0.5rem; 
    box-sizing: border-box; 
}

.level-title {
    font-size: clamp(1.3rem, 1.5vw, 1.5rem);
    font-weight: bold;
    line-height: 1.1; 
}
.level-subtitle {
    font-size: clamp(0.75rem, 0.9vw, 0.85rem);
    font-weight: normal;
    margin-top: 0.2rem; 
    display: block;
    line-height: 1.1; 
}

.level-button.locked .level-info {
    color: #b1b1b1;
}

#hub-nav-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding-top: 2rem;
    height: 15%;
}

.hub-nav-button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.hub-nav-button:hover {
    transform: scale(1.05);
}

#hub-player-center-btn { background-image: url('images/ui/hub/btn_hub_center_default.png'); }
#hub-player-center-btn:hover { background-image: url('images/ui/hub/btn_hub_center_hover.png'); }
#hub-battle-prep-btn { background-image: url('images/ui/hub/btn_hub_prep_default.png'); }
#hub-battle-prep-btn:hover { background-image: url('images/ui/hub/btn_hub_prep_hover.png'); }
#hub-shop-btn { background-image: url('images/ui/hub/btn_hub_shop_default.png'); }
#hub-shop-btn:hover { background-image: url('images/ui/hub/btn_hub_shop_hover.png'); }
#hub-back-btn { background-image: url('images/ui/hub/btn_hub_back_default.png'); }
#hub-back-btn:hover { background-image: url('images/ui/hub/btn_hub_back_hover.png'); }