/* ============================================================
   mocabolka.world - Component Styles
   通用组件样式：背景切换器、导航按钮、模态框、Dock、卡片
   ============================================================ */

/* ---- 背景切换器 ---- */
.bg-switcher {
    position: fixed;
    top: 30px;
    right: 40px;
    z-index: 100;
    display: flex;
    gap: 10px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    opacity: 1;
}

/* 仅首次访问时由 JS 触发入场动画 */
.bg-switcher.animate-in {
    opacity: 0;
    animation: floatIn 0.8s 0.5s forwards;
}

.sw-btn {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: none;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s, border-color 0.3s;
}

.sw-btn:hover {
    transform: scale(1.1);
    border-color: var(--accent-main);
}

.sw-btn.active {
    border-color: var(--accent-main);
    box-shadow: 0 0 10px var(--accent-main);
}

/* ---- 顶部导航 ---- */
.top-nav {
    position: fixed;
    top: 30px;
    left: 40px;
    z-index: 100;
    display: flex;
    align-items: center;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--accent-light);
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 2px;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(154, 200, 226, 0.1);
    transition: all 0.3s ease;
}

.back-btn:hover {
    color: #fff;
    transform: translateX(-5px);
    border-color: var(--accent-main);
    background: rgba(154, 200, 226, 0.1);
}

/* ---- 通用模态框（弹窗） ---- */
.about-modal,
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -45%) scale(0.95);
    width: 75vw;
    max-width: 650px;
    background: rgba(10, 15, 20, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(25px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 30px;
    text-align: center;
}

.about-modal.active,
.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

/* 弹窗关闭按钮 */
.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--accent-light);
    font-size: 24px;
    transition: color 0.3s, transform 0.3s;
    padding: 10px;
    border-radius: 50%;
    cursor: none;
}

.close-btn:hover {
    color: #fff;
    transform: rotate(90deg);
    background: rgba(255, 255, 255, 0.05);
}

/* 弹窗标题 */
.modal-title {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 500;
    letter-spacing: 2px;
}

/* 弹窗描述文本 */
.modal-desc,
.bio {
    font-size: 1rem;
    color: var(--accent-light);
    line-height: 1.8;
    max-width: 80%;
    font-weight: 300;
    text-align: center;
}

/* 弹窗按钮组 */
.modal-btn-group {
    display: flex;
    gap: 20px;
    width: 100%;
    justify-content: center;
}

.modal-btn {
    padding: 10px 30px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-family: "OPPO Sans 4.0", "OPPO Sans", -apple-system, BlinkMacSystemFont, sans-serif;
    letter-spacing: 1px;
    cursor: none;
    transition: all 0.3s ease;
    text-decoration: none;
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-cancel {
    background: rgba(154, 200, 226, 0.03);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cancel:hover {
    background: rgba(154, 200, 226, 0.1);
    border-color: var(--accent-main);
    box-shadow: 0 0 15px rgba(154, 200, 226, 0.3);
}

.btn-confirm {
    background: rgba(154, 200, 226, 0.15);
    color: var(--accent-main);
    border: 1px solid var(--accent-main);
}

.btn-confirm:hover {
    background: rgba(154, 200, 226, 0.25);
    box-shadow: 0 0 20px rgba(154, 200, 226, 0.5);
    color: #fff;
}

/* ---- 底部 Dock ---- */
.bottom-dock {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 60;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.toggle-btn {
    background: rgba(154, 200, 226, 0.03);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    border-radius: 50px;
    padding: 10px 30px;
    color: var(--accent-main);
    font-size: 0.9rem;
    font-family: "OPPO Sans 4.0", "OPPO Sans", -apple-system, BlinkMacSystemFont, sans-serif;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: none;
    text-decoration: none;
}

.toggle-btn:hover {
    background: rgba(154, 200, 226, 0.15);
    box-shadow: 0 0 15px rgba(154, 200, 226, 0.4);
}

.toggle-btn svg {
    transition: transform 0.3s ease;
}

.dock-panel {
    background: rgba(10, 10, 10, 0.6);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(25px);
    border-radius: 20px;
    padding: 15px 20px;
    display: flex;
    gap: 15px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    max-width: 90vw;
    overflow-x: auto;
    scrollbar-width: none;
}

.dock-panel::-webkit-scrollbar {
    display: none;
}

.dock-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dock-icon {
    display: block;
    width: 45px;
    height: 45px;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
    cursor: none;
}

.dock-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.dock-icon:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(154, 200, 226, 0.4);
}

.dock-icon:hover img {
    opacity: 1;
}

/* ---- 玻璃卡片容器（用于内容展示页） ---- */
.card-wrapper {
    position: relative;
    width: 90vw;
    max-width: 1400px;
    height: 82vh;
    margin: 10vh auto 0;
    z-index: 10;
    will-change: transform;
}

.blur-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    backdrop-filter: blur(25px) saturate(150%);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.content-container {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    padding: 36px 56px;
    overflow-y: auto;
}

.content-container::-webkit-scrollbar {
    width: 6px;
}

.content-container::-webkit-scrollbar-thumb {
    background: rgba(154, 200, 226, 0.3);
    border-radius: 10px;
}

/* ---- 通用导航按钮 ---- */
.nav-button {
    padding: 12px 35px;
    background: rgba(154, 200, 226, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: 30px;
    color: var(--accent-light);
    text-decoration: none;
    font-size: 1rem;
    font-family: "OPPO Sans 4.0", "OPPO Sans", -apple-system, BlinkMacSystemFont, sans-serif;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    text-align: center;
    min-width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: none;
}

.nav-button:hover {
    background: rgba(154, 200, 226, 0.25);
    color: #fff;
    border-color: var(--accent-main);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.next-button {
    background: rgba(76, 175, 80, 0.25);
    border-color: rgba(76, 175, 80, 0.4);
    color: #d4f8d4;
    font-weight: 500;
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
}

.next-button:hover {
    background: rgba(76, 175, 80, 0.35);
    border-color: var(--next-btn-color);
    color: #fff;
    box-shadow: 0 0 30px rgba(76, 175, 80, 0.5);
    transform: translateY(-3px) scale(1.05);
}

/* ---- 模糊目标（弹窗打开时模糊背景） ---- */
.blur-target {
    transition: filter 0.4s ease, opacity 0.4s ease;
}

.blur-target.blurred {
    filter: blur(10px);
    opacity: 0.4;
    pointer-events: none !important;
}

/* ---- 底部按钮行 ---- */
.bottom-button-row {
    position: fixed;
    bottom: calc(60px + var(--safe-bottom));
    left: 0;
    width: 100%;
    display: flex;
    gap: 30px;
    justify-content: center;
    align-items: center;
    z-index: 30;
    padding: 0 20px;
}

/* ---- 页面标题通用样式 ---- */
.page-title {
    font-size: 2.2rem;
    font-weight: 300;
    letter-spacing: 4px;
    margin-bottom: 25px;
    text-align: center;
    color: #fff;
    text-shadow: 0 0 30px rgba(154, 200, 226, 0.5);
    position: relative;
    padding-bottom: 15px;
    flex-shrink: 0;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 35%;
    width: 30%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-main), transparent);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .bg-switcher {
        top: auto;
        bottom: 20px;
        right: 20px;
    }
    .about-modal,
    .modal {
        width: 90vw;
        padding: 30px 20px;
    }
    .card-wrapper {
        width: 94vw;
        height: 85vh;
        margin-top: 8vh;
    }
    .content-container {
        padding: 25px 15px;
    }
    .page-title {
        font-size: 1.5rem;
        margin-bottom: 15px;
        padding-bottom: 10px;
    }
    .bottom-button-row {
        bottom: 50px;
        flex-direction: column;
        gap: 15px;
    }
    .nav-button {
        min-width: 180px;
        padding: 10px 30px;
        font-size: 0.9rem;
    }
    .copyright-footer {
        bottom: 15px;
        font-size: 0.7rem;
    }
    .top-nav {
        top: 20px;
        left: 20px;
    }
}