:root {
    --main_text_color: #000000;
    --main_bg_color: linear-gradient(50deg, #a2d0ff, #ffffff);
    --gradient: linear-gradient(120deg, rgb(133, 62, 255), #f76cc6 30%, rgb(255, 255, 255) 60%);
    --purple_text_color: #747bff;
    --text_bg_color: rgb(26, 4, 48);
    --item_bg_color: rgba(255, 255, 255, 0.35);
    --item_hover_color: rgba(255, 255, 255, 0.45);
    --card_filter: 20px;
    --back_filter: 15px;
    --back_filter_color: rgba(255, 255, 255, 0.1);
    --fill: #000000;
}

html[data-theme="Dark"] {
    --main_text_color: #fff;
    --main_bg_color: linear-gradient(50deg, #1a1a2e, #16213e);
    --gradient: linear-gradient(120deg, rgb(133, 62, 255), #f76cc6 30%, rgb(255, 255, 255) 60%);
    --purple_text_color: #747bff;
    --text_bg_color: rgb(26, 4, 48);
    --item_bg_color: rgba(255, 255, 255, 0.18);
    --item_hover_color: rgba(255, 255, 255, 0.25);
    --card_filter: 20px;
    --back_filter: 15px;
    --back_filter_color: rgba(0, 0, 0, 0.2);
    --fill: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}

body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background: var(--main_bg_color);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    width: 100vw;
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--main_text_color);
}

.main-layout {
    display: flex;
    flex-direction: row;
    /* 避免 fixed 页脚/聊天区遮挡：用 footer 高度 + 预留区间替代魔法数 */
    height: calc(100vh - (var(--footer-height, 32px) + 68px));
    padding: 60px 20px 20px;
    max-width: 1150px;
    margin: 0 auto;
    width: 100%;
    align-items: stretch;
    gap: 14px;
    /* 允许左右溢出显示，避免 logo 两端被父容器裁切 */
    overflow-x: visible;
    overflow-y: hidden;
}

.left-panel {
    flex: 0 0 30%;
    width: 30%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    padding: 16px 20px;
    box-sizing: border-box;
    height: 100%;
    overflow-y: auto;
    overflow-x: visible;
}

.right-panel {
    flex: 1;
    width: auto;
    display: flex;
    justify-content: flex-start;
    align-items: stretch;
    flex-direction: column;
    padding: 20px 10px 20px 0;
    box-sizing: border-box;
    height: 100%;
    overflow-y: auto;
    padding-bottom: calc(var(--footer-height, 32px) + 120px);
}

.left-panel::-webkit-scrollbar,
.right-panel::-webkit-scrollbar {
    width: 0px;
    height: 0px;
}

.logo {
    font-family: 'Pacifico', cursive;
    font-size: 52px;
    font-weight: 800;
    margin: 12px 0;
    line-height: 1.3;
    white-space: nowrap;
    max-width: 100%;
    overflow: visible;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200%;
    background-position: 0%;
    animation: backgroundSizeAnimation 10s ease-in-out infinite;
    background-image: var(--gradient);
    padding: 10px 6px;
}

.left-avatar {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    object-fit: cover;
    margin-top: 6px;
    margin-bottom: 14px;
    box-shadow: 0 10px 22px -14px rgba(0, 0, 0, 0.35);
}

.daily-quote {
    width: 100%;
    padding: 16px;
    margin-bottom: 18px;
    text-align: center;
    height: 100px;
}

.quote-content {
    font-size: 14px;
    line-height: 1.5;
    color: var(--main_text_color);
    margin-bottom: 8px;
    font-style: italic;
}

.quote-author {
    font-size: 12px;
    color: var(--main_text_color);
    opacity: 0.7;
    text-align: right;
}

.quote-author:not(:empty)::before {
    content: "——";
}

.left-design {
    margin-top: auto;
    padding-top: 14px;
    font-size: 12px;
    font-family: 'Pacifico', cursive;
    font-style: italic;
    color: var(--main_text_color);
    opacity: 0.65;
    white-space: nowrap;
}

.design-name {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.design-name::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--main_text_color);
    transition: width 0.3s ease;
}

.design-name:hover::after {
    width: 100%;
}

.intro {
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    background: var(--item_bg_color);
    border-radius: 13px;
    padding: 25px;
    width: 100%;
    max-width: 400px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.intro:hover {
    transform: translateY(-5px);
    background: var(--item_hover_color);
}

.intro h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--main_text_color);
}

.intro ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.intro li {
    margin: 8px 0;
    font-size: 16px;
    color: var(--main_text_color);
}

.intro a {
    display: block;
    margin: 8px 0;
    padding: 10px 15px;
    background: var(--item_bg_color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--main_text_color);
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(var(--card_filter));
}

.intro a:hover {
    background: var(--item_hover_color);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.1);
}

@keyframes backgroundSizeAnimation {
    0% {
        background-position: 100%;
    }
    25% {
        background-position: 50%;
    }
    50% {
        background-position: 0%;
    }
    75% {
        background-position: 50%;
    }
    100% {
        background-position: 100%;
    }
}

.left-tags {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 18px;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 28px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 13px;
    background: var(--item_bg_color);
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: transform 0.2s ease;
    white-space: nowrap;
}

.tag-item:hover {
    transform: translateY(-2px);
}

.gradientText {
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200%;
    background-position: 0%;
    font-family: 'Pacifico', cursive;
    animation: backgroundSizeAnimation 10s ease-in-out infinite;
    background-image: var(--gradient);
}

.purpleText {
    color: var(--purple_text_color);
    font-weight: 800;
}

.right-intro {
    width: 100%;
    background: var(--item_bg_color);
    border-radius: 13px;
    padding: 12px 18px;
    text-align: center;
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    height: 120px;
}

.music-player {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    min-height: 80px;
}

.music-info {
    width: 100%;
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.music-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--main_text_color);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    height: 24px;
    line-height: 24px;
}

.music-artist {
    font-size: 14px;
    color: var(--main_text_color);
    opacity: 0.7;
    height: 16px;
    line-height: 16px;
}

.music-controls {
    display: flex;
    gap: 24px;
    align-items: center;
}

.control-btn {
    background: var(--item_bg_color);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--main_text_color);
    transition: all 0.3s ease;
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
}

.control-btn:hover {
    transform: scale(1.1);
    background: var(--item_hover_color);
}

.play-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
}

.future-content {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 6px 0 12px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 26px;
    font-weight: 800;
    margin: 22px 0 14px;
}

.section-title-icon {
    width: 22px;
    height: 22px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.right-section {
    width: 100%;
}

.projectList {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.projectItem {
    display: flex;
    text-decoration: none;
    color: inherit;
    background-color: var(--item_bg_color);
    border-radius: 12px;
    padding: 15px;
    height: 110px;
    width: calc(50% - 6px);
    backdrop-filter: blur(var(--card_filter));
    -webkit-backdrop-filter: blur(var(--card_filter));
    transition: opacity 0.3s ease, background-color 0.2s ease, transform 0.3s ease;
    align-items: center;
}

.projectItem:hover {
    background: var(--item_hover_color);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.1);
}

.projectItemLeft {
    width: 80%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.projectItemLeft h1 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.projectItemLeft p {
    margin-top: 10px;
    font-size: 13px;
    opacity: 0.85;
    line-height: 1.35;
}

.projectItemRight {
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 20%;
    height: 100%;
}

.projectItemRight img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
}

/* 默认隐藏 */
.mobile-toggle {
    display: none;
    margin: 10px;
    text-align: center;
}



/* 全屏按钮样式（仅大屏幕显示） */
#fullscreen-button {
    position: absolute;
    right: 12px;
    top: 7px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: top 0.3s ease,transform 0.3s ease-in-out, padding 0.3s ease-in-out; /* 平滑放大动画 */
    transform-origin: center center; /* 确保放大时的中心不变 */
}

#fullscreen-button:hover {
    transform: scale(1.10); /* 悬停时上下左右均匀放大 10% */
}