/* ==================== 气泡导图页面样式 ==================== */

/* ==================== 页面容器 ==================== */
.bubble-view {
    min-height: 100vh;
    position: relative;
    background: var(--paper);
}

/* ==================== 顶部导航 ==================== */
.bubble-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--gradient-antique);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.bubble-nav h1 {
    font-family: 'ZCOOL XiaoWei', 'Noto Serif SC', serif;
    font-size: 1.5rem;
    color: var(--gold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* ==================== 左侧边栏（桌面端） ==================== */
.bubble-sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 60px;
    height: calc(100vh - 60px - 60px);
    background: rgba(245, 240, 230, 0.98);
    box-shadow: 2px 0 10px rgba(44, 36, 22, 0.1);
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease;
}

.bubble-sidebar.expanded {
    width: 180px;
}

.sidebar-toggle {
    width: 60px;
    height: 50px;
    background: var(--gradient-antique);
    border: none;
    color: var(--gold);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.sidebar-toggle:hover {
    background: var(--primary-dark);
}

.bubble-sidebar.expanded .sidebar-toggle {
    width: 180px;
    justify-content: flex-start;
    padding-left: 1rem;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0.5rem 0;
    display: none;
}

.bubble-sidebar.expanded .sidebar-content {
    display: block;
}

.sidebar-title {
    padding: 0.8rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    border-bottom: 1px solid var(--paper-dark);
    margin-bottom: 0.5rem;
}

.sidebar-btn {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    text-align: left;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--ink);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.sidebar-btn:hover {
    background: rgba(201, 169, 98, 0.15);
    border-left-color: var(--gold);
}

.sidebar-btn.active {
    background: rgba(201, 169, 98, 0.2);
    border-left-color: var(--gold);
    color: var(--primary);
    font-weight: 600;
}

/* ==================== 手机端变法选择弹窗 ==================== */
.bubble-select-modal {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(245, 240, 230, 0.98);
    padding: 0.8rem;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(44, 36, 22, 0.15);
}

.bubble-select-modal.show {
    display: block;
}

.bubble-select-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.6rem;
    padding-left: 0.3rem;
}

.bubble-select-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.mobile-select-btn {
    padding: 0.6rem 0.4rem;
    background: var(--paper);
    border: 2px solid var(--paper-dark);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.75rem;
    color: var(--ink);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-select-btn:active {
    background: var(--gold-light);
}

.mobile-select-btn.active {
    background: var(--gold-light);
    border-color: var(--gold);
    color: var(--primary-dark);
    font-weight: 600;
}

/* ==================== 手机端气泡展开遮罩 ==================== */
.bubble-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
}

.bubble-backdrop.show {
    display: block;
}

/* ==================== 气泡画布 ==================== */
.bubble-canvas {
    position: fixed;
    top: 60px;
    left: 60px;
    right: 0;
    bottom: 60px;
    overflow: hidden;
    z-index: 5;
    transition: left 0.3s ease;
}

.bubble-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.outer-bubbles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    overflow: visible;
}

/* ==================== 中心气泡 ==================== */
.center-bubble {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 160px;
    height: 160px;
    background: var(--gradient-gold);
    border-radius: 50%;
    box-shadow: 
        0 0 0 6px rgba(201, 169, 98, 0.3),
        0 0 0 12px rgba(201, 169, 98, 0.1),
        var(--shadow-lg);
    z-index: 15;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: centerPulse 3s ease-in-out infinite;
}

@keyframes centerPulse {
    0%, 100% {
        box-shadow: 
            0 0 0 6px rgba(201, 169, 98, 0.3),
            0 0 0 12px rgba(201, 169, 98, 0.1),
            var(--shadow-lg);
    }
    50% {
        box-shadow: 
            0 0 0 10px rgba(201, 169, 98, 0.2),
            0 0 0 20px rgba(201, 169, 98, 0.05),
            var(--shadow-lg);
    }
}

.center-bubble .bubble-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
}

.center-bubble h2 {
    font-size: 1.2rem;
    color: var(--ink);
    margin: 0;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

.center-bubble #bubble-era {
    font-size: 0.75rem;
    color: var(--primary-dark);
}

/* ==================== 外围气泡 ==================== */
.outer-bubble {
    position: absolute;
    transform: translate(-50%, -50%);
    min-width: 160px;
    max-width: 280px;
    background: var(--paper);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    z-index: 20;
    border: 3px solid;
    animation: bubbleAppear 0.5s ease forwards;
}

@keyframes bubbleAppear {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.outer-bubble:hover {
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: 50;
}

.outer-bubble.expanded {
    z-index: 2000;
}

.outer-bubble .bubble-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    position: relative;
}

.outer-bubble .bubble-icon {
    font-size: 1.2rem;
}

.outer-bubble .bubble-title {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
}

.outer-bubble .bubble-toggle {
    font-size: 0.8rem;
    color: var(--ink);
    opacity: 0.6;
    transition: transform 0.3s;
}

.outer-bubble.expanded .bubble-toggle {
    transform: rotate(180deg);
}

.bubble-close-btn {
    display: none;
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.1);
    border: none;
    border-radius: 50%;
    font-size: 1rem;
    color: var(--ink);
    cursor: pointer;
    line-height: 1;
}

.bubble-close-btn:active {
    background: rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .bubble-close-btn {
        display: block;
    }
    
    .outer-bubble .bubble-toggle {
        display: none;
    }
}

.outer-bubble .bubble-body {
    display: none;
    padding: 0 1rem;
}

.outer-bubble .bubble-body.show {
    display: block;
    padding: 0.8rem 1rem;
    overflow-y: auto;
    max-height: 200px;
}

.outer-bubble .bubble-items {
    list-style: none;
    padding: 0;
    margin: 0;
}

.outer-bubble .bubble-items li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--ink);
    word-break: break-word;
}

.outer-bubble .bubble-items li:last-child {
    margin-bottom: 0;
}

.outer-bubble .bubble-items li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--gold);
    font-weight: bold;
}

/* ==================== 控制面板 ==================== */
.bubble-controls {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--paper);
    border-top: 2px solid var(--paper-dark);
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    box-shadow: 0 -4px 12px rgba(44, 36, 22, 0.1);
}

.control-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.control-btn-secondary {
    padding: 0.5rem 1rem;
    background: var(--secondary);
    border: none;
    border-radius: 20px;
    font-family: inherit;
    font-size: 0.85rem;
    color: white;
    cursor: pointer;
}

.control-btn-secondary:hover {
    background: var(--secondary-light);
}

/* ==================== 帮助弹窗 ==================== */
.help-content {
    padding: 1.5rem;
    max-width: 400px;
}

.help-content h2 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    text-align: center;
}

.help-body {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.help-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 0.8rem;
    background: var(--paper-dark);
    border-radius: var(--radius-md);
}

.help-icon {
    font-size: 1.1rem;
}

/* ==================== 提示浮层 ==================== */
#bubble-hint-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--ink);
    color: var(--gold);
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 3000;
}

#bubble-hint-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ==================== 响应式设计 ==================== */

@media (max-width: 1024px) {
    .center-bubble {
        width: 130px;
        height: 130px;
    }
    
    .center-bubble h2 {
        font-size: 1.1rem;
    }
    
    .outer-bubble {
        min-width: 140px;
        max-width: 240px;
    }
    
    .bubble-sidebar {
        height: calc(100vh - 60px - 80px);
    }
}

@media (max-width: 768px) {
    .bubble-nav h1 {
        font-size: 1.1rem;
    }
    
    .bubble-nav {
        height: 50px;
        padding: 0 0.8rem;
    }
    
    /* 手机端隐藏桌面侧边栏 */
    .bubble-sidebar {
        display: none;
    }
    
    /* 手机端显示变法选择栏 */
    .bubble-select-modal {
        display: block;
    }
    
    /* 气泡画布全屏显示 */
    .bubble-canvas {
        top: 110px;
        bottom: 60px;
        left: 0 !important;
    }
    
    /* 手机端气泡展开为弹窗 */
    .outer-bubble.expanded {
        position: fixed !important;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: calc(100% - 40px) !important;
        max-width: 400px !important;
        max-height: 60vh !important;
        z-index: 2000 !important;
        animation: none !important;
    }
    
    .outer-bubble.expanded .bubble-body.show {
        max-height: 45vh !important;
    }
    
    .center-bubble {
        width: 115px;
        height: 115px;
    }

    .center-bubble h2 {
        font-size: 0.9rem;
    }

    .center-bubble #bubble-era {
        font-size: 0.65rem;
    }
    
    .outer-bubble {
        min-width: 110px;
        max-width: 160px;
    }
    
    .outer-bubble .bubble-header {
        padding: 0.5rem 0.7rem;
    }
    
    .outer-bubble .bubble-title {
        font-size: 0.8rem;
    }
    
    .outer-bubble .bubble-items li {
        font-size: 0.75rem;
        padding-left: 1rem;
        line-height: 1.4;
    }
    
    .bubble-controls {
        height: 60px;
        padding: 0.4rem;
    }
    
    .control-btn-secondary {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    
    #bubble-hint-toast {
        bottom: 70px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .bubble-nav h1 {
        font-size: 0.95rem;
    }
    
    .tool-btn {
        width: 30px;
        height: 30px;
        font-size: 0.85rem;
    }
    
    .bubble-sidebar {
        display: none;
    }
    
    .bubble-canvas {
        top: 110px !important;
    }
    
    .center-bubble {
        width: 90px;
        height: 90px;
    }

    .center-bubble h2 {
        font-size: 0.75rem;
    }

    .center-bubble #bubble-era {
        font-size: 0.55rem;
    }
    
    .outer-bubble {
        min-width: 90px;
        max-width: 130px;
    }
    
    .outer-bubble .bubble-icon {
        font-size: 0.9rem;
    }
    
    .outer-bubble .bubble-title {
        font-size: 0.7rem;
    }
    
    .outer-bubble .bubble-body.show {
        max-height: 200px;
    }
    
    .outer-bubble .bubble-items li {
        font-size: 0.65rem;
        line-height: 1.3;
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    .bubble-sidebar {
        top: 50px;
        height: calc(100vh - 50px - 50px);
    }
    
    .center-bubble {
        width: 100px;
        height: 100px;
    }
    
    .center-bubble h2 {
        font-size: 0.8rem;
    }
    
    .outer-bubble {
        min-width: 100px;
        max-width: 150px;
    }
    
    .bubble-controls {
        height: 50px;
    }
    
    #bubble-hint-toast {
        bottom: 60px;
    }
}