/* =========================================================
   个人主页 - 管理后台样式
   ========================================================= */

:root {
    --bg: #0e1117;
    --sidebar: #141826;
    --card: #1a1f2e;
    --card-border: rgba(255,255,255,0.08);
    --text: #e6e9f2;
    --text-dim: #8b93a7;
    --primary: #6366f1;
    --primary-2: #a855f7;
    --green: #22c55e;
    --red: #ef4444;
    --amber: #f59e0b;
    --radius: 14px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ---------- 布局 ---------- */
.admin-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 236px;
    background: var(--sidebar);
    border-right: 1px solid var(--card-border);
    padding: 22px 14px;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    display: flex;
    flex-direction: column;
    z-index: 50;
    overflow-y: auto;
}
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px 22px;
    font-weight: 700;
    font-size: 17px;
}
.sidebar-brand .logo {
    width: 32px; height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
    box-shadow: 0 6px 16px rgba(99,102,241,0.35);
}
.sidebar-group { margin-top: 18px; }
.sidebar-label {
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0 12px;
    margin-bottom: 8px;
}
.sidebar a.item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 10px 12px;
    border-radius: 10px;
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 3px;
    transition: all 0.2s;
}
.sidebar a.item .badge {
    margin-left: auto;
    background: var(--red);
    color: #fff;
    font-size: 11px;
    border-radius: 999px;
    padding: 1px 8px;
}
.sidebar a.item:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.sidebar a.item.active {
    background: linear-gradient(90deg, rgba(99,102,241,0.18), rgba(168,85,247,0.1));
    color: #fff;
    border: 1px solid rgba(99,102,241,0.25);
}
.sidebar a.item .ico { width: 20px; text-align: center; font-size: 15px; }
.sidebar .spacer { flex: 1; }
.sidebar .user-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 12px;
    background: rgba(255,255,255,0.04);
    margin-top: 12px;
}
.sidebar .user-box .avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}
.sidebar .user-box .name { font-size: 13.5px; font-weight: 600; }
.sidebar .user-box .sub { font-size: 11.5px; color: var(--text-dim); }

.main { flex: 1; margin-left: 236px; padding: 28px 36px 60px; }
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 26px;
}
.topbar h1 { font-size: 23px; font-weight: 800; letter-spacing: -0.3px; }
.topbar .sub { color: var(--text-dim); font-size: 13.5px; margin-top: 2px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.topbar-actions .view-site {
    font-size: 13px;
    padding: 9px 16px;
    border: 1px solid var(--card-border);
    border-radius: 999px;
    color: var(--text-dim);
    transition: all 0.2s;
}
.topbar-actions .view-site:hover { color: #fff; border-color: var(--primary); }

/* ---------- 卡片 ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 26px;
    margin-bottom: 22px;
}
.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.card-head h2 { font-size: 16px; font-weight: 700; }
.card-head .desc { font-size: 12.5px; color: var(--text-dim); margin-top: 3px; }

/* ---------- 统计 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 22px;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-3px); }
.stat-card .num { font-size: 30px; font-weight: 800; margin-bottom: 4px; }
.stat-card .label { font-size: 13px; color: var(--text-dim); }
.stat-card .glow {
    position: absolute;
    top: -30px; right: -30px;
    width: 90px; height: 90px;
    border-radius: 50%;
    opacity: 0.16;
    filter: blur(20px);
}

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; }
table.data th {
    text-align: left;
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--card-border);
    white-space: nowrap;
}
table.data td {
    padding: 14px;
    font-size: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
}
table.data tr:hover td { background: rgba(255,255,255,0.02); }
table.data .empty { text-align: center; color: var(--text-dim); padding: 40px 0; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 10px;
    border: none;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font);
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; box-shadow: 0 6px 18px rgba(99,102,241,0.3); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(99,102,241,0.45); }
.btn-ghost { background: rgba(255,255,255,0.05); border: 1px solid var(--card-border); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.09); }
.btn-danger { background: rgba(239,68,68,0.12); color: var(--red); border: 1px solid rgba(239,68,68,0.25); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-success { background: rgba(34,197,94,0.14); color: var(--green); border: 1px solid rgba(34,197,94,0.3); }
.btn-success:hover { background: rgba(34,197,94,0.22); }
.btn-sm { padding: 6px 12px; font-size: 12.5px; border-radius: 8px; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 7px; font-weight: 500; }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group textarea,
.form-group select {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 11px 15px;
    color: var(--text);
    font-size: 14px;
    font-family: var(--font);
    transition: all 0.2s;
    resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99,102,241,0.12);
}
.form-group .help { font-size: 12px; color: var(--text-faint, #5d6472); margin-top: 5px; }
.form-group .help code { background: rgba(255,255,255,0.07); padding: 1px 6px; border-radius: 5px; font-size: 11.5px; }

/* ---------- 徽章 ---------- */
.badge { display: inline-block; font-size: 12px; padding: 3px 11px; border-radius: 999px; font-weight: 500; }
.badge-green { background: rgba(34,197,94,0.14); color: var(--green); }
.badge-amber { background: rgba(245,158,11,0.14); color: var(--amber); }
.badge-red { background: rgba(239,68,68,0.14); color: var(--red); }
.badge-gray { background: rgba(255,255,255,0.08); color: var(--text-dim); }

/* ---------- 提示 ---------- */
.alert {
    padding: 13px 18px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 18px;
}
.alert-success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.25); color: var(--green); }
.alert-error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.25); color: var(--red); }

/* ---------- 登录页 ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(700px 400px at 20% 0%, rgba(99,102,241,0.18), transparent 60%),
        radial-gradient(700px 400px at 90% 100%, rgba(168,85,247,0.16), transparent 60%),
        var(--bg);
    padding: 20px;
}
.login-card {
    width: 400px;
    max-width: 100%;
    background: rgba(26,31,46,0.85);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 42px 38px;
    backdrop-filter: blur(20px);
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.login-card .logo {
    width: 54px; height: 54px;
    margin: 0 auto 18px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    box-shadow: 0 10px 30px rgba(99,102,241,0.4);
}
.login-card h1 { text-align: center; font-size: 21px; margin-bottom: 4px; }
.login-card .sub { text-align: center; color: var(--text-dim); font-size: 13.5px; margin-bottom: 30px; }
.login-card .btn-block { width: 100%; justify-content: center; margin-top: 6px; }
.login-link { text-align: center; margin-top: 18px; font-size: 13px; color: var(--text-dim); }
.login-link a { color: var(--primary); }

/* ---------- 头像上传 ---------- */
.avatar-upload { display: flex; align-items: center; gap: 24px; margin-bottom: 20px; }
.avatar-upload img {
    width: 96px; height: 96px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(99,102,241,0.35);
    background: #1e2130;
}
.avatar-upload .upload-info { font-size: 13px; color: var(--text-dim); }
.avatar-upload .upload-info input { margin-top: 10px; font-size: 12.5px; color: var(--text-dim); }

/* ---------- 图表占位 ---------- */
.trend-bar { display: flex; align-items: flex-end; gap: 8px; height: 120px; }
.trend-bar .col {
    flex: 1;
    background: linear-gradient(to top, var(--primary), var(--primary-2));
    border-radius: 6px 6px 0 0;
    opacity: 0.85;
    min-height: 4px;
    transition: opacity 0.2s;
}
.trend-bar .col:hover { opacity: 1; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .sidebar { width: 70px; padding: 18px 8px; }
    .sidebar .item span.txt, .sidebar-brand span, .sidebar-label, .user-box .meta, .spacer { display: none; }
    .sidebar a.item { justify-content: center; }
    .sidebar a.item .badge { display: none; }
    .main { margin-left: 70px; padding: 22px 18px 50px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
}