/* ===========================
   基础变量（颜色/阴影/尺寸）- 移动优先
   =========================== */
:root {
    --bg: linear-gradient(135deg, #191a2b 0%, #25274d 100%);
    --card-bg: rgba(36,34,67,0.93);
    --card-border: rgba(189,196,255,0.15);
    --text: #f5f6fa;
    --muted: #94a3b8;
    --accent: #8b5cf6;
    --accent2: #00f5ff;
    --radius: 20px;
    --shadow: 0 12px 36px rgba(50,30,130,0.16),0 1.5px 6px #0002;
    /* 手机端专用变量 */
    --mobile-padding: 12px;
    --mobile-gap: 14px;
    --mobile-font-base: 15px;
    --mobile-radius: 16px;
}

/* ===========================
   基础样式
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    font-family: 'Segoe UI', 'Roboto', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* ===========================
   背景动线
   =========================== */
.bg-lines {
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.32;
    pointer-events: none;
}

/* ===========================
   容器布局
   =========================== */
.wrap {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    padding: var(--mobile-padding);
    padding-top: 24px;
    padding-bottom: 40px;
    box-sizing: border-box;
    min-height: 100vh;
}

/* ===========================
   返回按钮
   =========================== */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    margin-bottom: 20px;
    background: rgba(139,92,246,0.15);
    border: 1px solid var(--card-border);
    border-radius: var(--mobile-radius);
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    backdrop-filter: blur(12px);
}

.back-btn:hover {
    background: rgba(139,92,246,0.25);
    transform: translateX(-2px);
}

.back-btn:active {
    transform: translateX(0) scale(0.98);
}

/* ===========================
   外框
   =========================== */
.userinfo_box {
    width: 100%;
    padding: 24px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    border: 1.5px solid var(--card-border);
    border-radius: var(--mobile-radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
    transition: all 0.3s;
    animation: fadeIn 0.5s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 48px rgba(139,92,246,0.3);
}

@keyframes fadeIn {
    0% { 
        opacity: 0; 
        transform: translateY(20px) scale(0.95); 
    }
    100% { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

/* ===========================
   标题样式
   =========================== */
.userinfo_header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--card-border);
}

.header-icon {
    font-size: 48px;
    margin-bottom: 12px;
    display: block;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.userinfo_header h2 {
    font-size: clamp(24px, 6vw, 28px);
    margin-bottom: 8px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.header-subtitle {
    color: var(--muted);
    font-size: 14px;
    margin-top: 4px;
}

/* ===========================
   卡片内部样式
   =========================== */
.card-inner {
    background: rgba(139,92,246,0.05);
    border: 1px solid rgba(139,92,246,0.2);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 18px;
    transition: all 0.3s;
}

.card-inner:hover {
    background: rgba(139,92,246,0.1);
    border-color: rgba(139,92,246,0.3);
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.title-icon {
    font-size: 20px;
}

/* ===========================
   用户信息展示区域
   =========================== */
.userinfo {
    padding: 0;
    background: transparent;
    border: none;
    border-left: none;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.info-item {
    padding: 14px 16px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    transition: all 0.2s;
}

.info-item:hover {
    background: rgba(139,92,246,0.1);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139,92,246,0.2);
}

.info-label {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.info-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
    min-height: 24px;
}

.info-value:empty::before {
    content: '--';
    color: var(--muted);
    font-weight: normal;
}

/* ===========================
   活动记录区域
   =========================== */
.actives_box {
    margin-bottom: 0;
    padding: 0;
    background: transparent;
    border: none;
}

.actives-wrapper {
    position: relative;
}

.actives_area {
    width: 100%;
    min-height: 160px;
    max-height: 300px;
    border: 1.5px solid var(--card-border);
    outline: none;
    resize: vertical;
    padding: 16px;
    font-size: 14px;
    background: var(--card-bg);
    border-radius: 12px;
    color: var(--text);
    line-height: 1.6;
    font-family: inherit;
    transition: all 0.3s;
    box-sizing: border-box;
}

.actives_area:focus {
    border-color: var(--accent);
    background: rgba(255,255,255,0.05);
    box-shadow: 0 0 0 3px rgba(139,92,246,0.2);
}

.actives_area::placeholder {
    color: var(--muted);
    opacity: 0.6;
}

.actives_area:read-only {
    cursor: default;
    background: rgba(139,92,246,0.05);
}

/* ===========================
   登出按钮
   =========================== */
.logout_box {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--card-border);
}

.logout_btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, rgba(255,107,107,0.8), rgba(255,82,82,0.9));
    color: white;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--mobile-radius);
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    box-shadow: 0 4px 16px rgba(255,107,107,0.3);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.logout_btn:hover {
    background: linear-gradient(135deg, rgba(255,107,107,1), rgba(255,82,82,1));
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255,107,107,0.4);
}

.logout_btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 2px 12px rgba(255,107,107,0.3);
}

.btn-icon {
    font-size: 18px;
}

/* ===========================
   移动端优化
   =========================== */
@media (max-width: 480px) {
    .wrap {
        padding: 10px;
        padding-top: 20px;
        padding-bottom: 32px;
    }

    .userinfo_box {
        padding: 18px;
        border-radius: 14px;
    }

    .userinfo_header h2 {
        font-size: 22px;
    }

    .header-icon {
        font-size: 40px;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .info-item {
        padding: 12px 14px;
    }

    .info-value {
        font-size: 15px;
    }

    .actives_area {
        min-height: 140px;
        padding: 14px;
        font-size: 13px;
    }

    .logout_btn {
        padding: 12px 20px;
        font-size: 15px;
        min-height: 46px;
    }

    .back-btn {
        padding: 8px 14px;
        font-size: 13px;
    }
}

/* 超小屏优化 */
@media (max-width: 375px) {
    .wrap {
        padding: 8px;
    }

    .userinfo_box {
        padding: 14px;
    }

    .card-inner {
        padding: 16px;
    }

    .info-item {
        padding: 10px 12px;
    }
}

/* 安全区域适配 */
@supports (padding: max(0px)) {
    .wrap {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
        padding-bottom: max(40px, env(safe-area-inset-bottom));
    }
}

/* ========== 全局移动端兼容增强 ========== */
html, body {
    overscroll-behavior-y: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

a {
    -webkit-tap-highlight-color: transparent;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* 活动记录区域：使其可滚动并限制最大高度 */
.actives-wrapper {
    max-height: 12rem;          /* ≈ 200px，高度不会撑满屏幕 */
    overflow-y: auto;           /* 垂直滚动 */
    padding-right: 0.5rem;
    margin-top: 0.6rem;
    overflow-x: auto;
    overflow-y: auto;
    background: rgba(139,92,246,0.05);
    backdrop-filter: blur(6px);
    border-radius: 12px;
    border: 1px solid var(--card-border);
    
    scrollbar-color: var(--accent) rgba(139,92,246,0.1);
    scrollbar-width: thin;      /* Firefox 滚动条压缩 */
}

/* 列表样式 */
#activity-list {
    list-style: none;
    padding: 0.5rem 0.8rem;
    margin: 0;
}

#activity-list li {
    padding: 0.45rem 0.2rem;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    font-size: 0.85rem;
    color: #c0b7b7;
}

#activity-list li:last-child {
    border-bottom: none;
}

/* 滚动条美化（Chrome/Edge） */
.actives-wrapper::-webkit-scrollbar {
    width: 6px;
}

.actives-wrapper::-webkit-scrollbar-thumb {
    background: rgba(136, 136, 136, 0.4);
    border-radius: 6px;
}

.actives-wrapper::-webkit-scrollbar-track {
    background: transparent;
}