/* 次惜工具箱 Anime 管理端 - 浅紫主题（8px 栅格，单主色） */
:root {
    --bg: #F8F7FC; --card: #fff;
    --ink: #2E2A3E; --ink-2: #55516B; --ink-3: #9C96B5;
    --pri: #7B6CE0; --pri-deep: #6558C9; --pri-pale: #EDE9FA; --pri-line: #CFC7EE;
    --line: #E7E4F2;
    --ok: #2FA36B; --ok-pale: #E5F6EC; --bad: #D64545; --bad-pale: #FCEBEB;
    --shadow-sm: 0 1px 2px rgba(46, 42, 62, .05);
}
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 14px;
    color: var(--ink-2);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--pri-deep); text-decoration: none; }

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

.sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; width: 224px; z-index: 60;
    background: var(--card); border-right: 1px solid var(--line);
    display: flex; flex-direction: column;
}
.side-brand {
    display: flex; align-items: center; gap: 10px;
    padding: 16px 16px 14px; border-bottom: 1px solid var(--line);
}
.side-brand svg { width: 36px; height: 36px; flex: none; }
.side-brand b { font-size: 15px; letter-spacing: .04em; display: block; line-height: 1.3; color: var(--ink); }
.side-brand small { font-size: 9px; color: var(--ink-3); letter-spacing: .14em; }

.side-menu { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.side-menu a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: 10px;
    color: var(--ink-2); font-size: 13px;
    transition: background .2s, color .2s;
}
.side-menu a svg { width: 17px; height: 17px; flex: none; }
.side-menu a:hover { background: var(--pri-pale); color: var(--ink); }
.side-menu a.active { background: var(--pri-pale); color: var(--pri-deep); font-weight: 600; }

.side-foot { padding: 14px 18px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.side-foot .u { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--ink); }
.side-foot .u i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); flex: none; }
.side-foot a { font-size: 12px; color: var(--ink-2); }
.side-foot a:hover { color: var(--pri-deep); }
.side-foot small { font-size: 10.5px; color: var(--ink-3); }

/* ---------- 汉堡按钮与遮罩（仅移动端显示） ---------- */
.menu-toggle {
    display: none; align-items: center; justify-content: center;
    width: 36px; height: 36px; margin-right: 8px; margin-left: -6px;
    border: none; border-radius: 9px; background: transparent;
    color: var(--ink); cursor: pointer;
}
.menu-toggle svg { width: 22px; height: 22px; }
.menu-toggle:active { background: var(--pri-pale); }
.side-mask {
    position: fixed; inset: 0; z-index: 55;
    background: rgba(46, 42, 62, .38);
    opacity: 0; visibility: hidden;
    transition: opacity .25s, visibility .25s;
}

.main { margin-left: 224px; flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
    height: 56px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center;
    padding: 0 24px;
    position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 16px; font-weight: 600; color: var(--ink); }
.content { padding: 24px; max-width: 1200px; width: 100%; }

/* ---------- 卡片 ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    padding: 20px 24px;
    margin-bottom: 16px;
}
.card-title { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 16px; }

/* ---------- 统计 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.stat-card { text-align: center; margin-bottom: 0; }
.stat-num { font-size: 28px; font-weight: 700; color: var(--ink); }
.stat-label { margin-top: 8px; color: var(--ink-3); font-size: 13px; }

/* ---------- 趋势图（纯 CSS 柱状） ---------- */
.trend { display: flex; align-items: flex-end; gap: 24px; padding: 8px 0 0; }
.trend-col { flex: 1; text-align: center; min-width: 0; }
.trend-bars { display: flex; align-items: flex-end; justify-content: center; gap: 4px; height: 120px; }
.bar { width: 16px; border-radius: 3px 3px 0 0; }
.bar-reg { background: var(--pri); }
.bar-login { background: #C4BBF3; }
.trend-date { margin-top: 8px; color: var(--ink-3); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.legend { margin-top: 16px; color: var(--ink-2); font-size: 12px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin: 0 4px 0 16px; vertical-align: -1px; }
.dot:first-child { margin-left: 0; }
.dot-reg { background: var(--pri); }
.dot-login { background: #C4BBF3; }

/* ---------- 工具栏 / 表单 ---------- */
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar-info { color: var(--ink-3); font-size: 13px; }
.toolbar input[type="text"] {
    height: 36px; padding: 0 12px;
    border: 1px solid var(--line); border-radius: 9px;
    font-size: 14px; color: var(--ink);
    background: #FBFAFE;
    width: 260px; max-width: 100%;
}
.toolbar input[type="text"]:focus { outline: none; border-color: var(--pri-line); box-shadow: 0 0 0 3px rgba(207, 199, 238, .35); }
.hint { margin-top: 12px; color: var(--ink-3); font-size: 12px; line-height: 1.8; }

.field { display: block; margin-bottom: 16px; }
.field span { display: block; margin-bottom: 8px; color: var(--ink-2); font-size: 13px; }
.field input {
    width: 100%; height: 40px; padding: 0 12px;
    border: 1px solid var(--line); border-radius: 9px;
    font-size: 14px; color: var(--ink);
    background: #FBFAFE;
}
.field input:focus { outline: none; border-color: var(--pri-line); box-shadow: 0 0 0 3px rgba(207, 199, 238, .35); }

.mail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 24px; }
.mail-grid .field:nth-child(5) { grid-column: 1 / -1; }
@media (max-width: 640px) { .mail-grid { grid-template-columns: 1fr; } }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block; height: 36px; padding: 0 16px;
    border: 1px solid var(--line); border-radius: 9px;
    background: #fff; color: var(--ink-2);
    font-size: 14px; cursor: pointer; line-height: 34px;
    transition: border-color .2s, color .2s, background .2s;
}
.btn:hover { border-color: var(--pri-line); color: var(--pri-deep); }
.btn-primary { background: var(--pri); border-color: var(--pri); color: #fff; }
.btn-primary:hover { background: var(--pri-deep); border-color: var(--pri-deep); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { height: 28px; padding: 0 10px; font-size: 12px; line-height: 26px; border-radius: 6px; }
.btn-warn { color: #B8860B; }
.btn-warn:hover { border-color: #B8860B; color: #B8860B; }
.btn-danger { color: var(--bad); }
.btn-danger:hover { border-color: var(--bad); color: var(--bad); }

/* ---------- 表格 ---------- */
.table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 13px; }
.table th, .table td {
    text-align: left; padding: 12px 8px;
    border-bottom: 1px dashed var(--line);
    vertical-align: middle; word-break: break-all;
}
.table th { color: var(--ink-3); font-weight: 600; font-size: 12px; white-space: nowrap; letter-spacing: .04em; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: #FBFAFE; }
.empty { text-align: center; color: var(--ink-3); padding: 32px 0; }

.user-cell { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--pri-pale); flex-shrink: 0; }
.user-name { color: var(--ink); font-weight: 500; }
.user-sub { color: var(--ink-3); font-size: 12px; margin-top: 2px; }
.ops form { display: flex; gap: 4px; flex-wrap: wrap; }

/* ---------- 标签 ---------- */
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.tag-ok { background: var(--ok-pale); color: var(--ok); }
.tag-off { background: var(--bad-pale); color: var(--bad); }

/* ---------- 分页 ---------- */
.pager { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.pager a {
    min-width: 32px; height: 32px; padding: 0 8px;
    border: 1px solid var(--line); border-radius: 9px;
    text-align: center; line-height: 30px; color: var(--ink-2);
}
.pager a.cur { background: var(--pri); border-color: var(--pri); color: #fff; }

/* ---------- 提示条 ---------- */
.alert-warn, .alert-info {
    padding: 10px 16px; border-radius: 9px;
    margin-bottom: 16px; font-size: 13px;
}
.alert-warn { background: #FFF9E8; color: #8C6D00; border: 1px solid #F2E3A0; }
.alert-info { background: var(--pri-pale); color: var(--pri-deep); border: 1px solid var(--pri-line); }

/* ---------- 登录页 ---------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
    width: 360px; max-width: calc(100vw - 32px);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 10px 30px -12px rgba(101, 88, 201, .15);
    padding: 32px 24px;
}
.login-title {
    font-size: 18px; font-weight: 700; color: var(--ink);
    text-align: center; margin-bottom: 24px;
}

/* ---------- 窄屏适配：抽屉式侧边栏 ---------- */
@media (max-width: 900px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .menu-toggle { display: flex; }

    .sidebar {
        transform: translateX(-100%);
        transition: transform .25s ease;
        box-shadow: none;
        width: 240px;
    }
    .sidebar.open { transform: translateX(0); box-shadow: 8px 0 24px -12px rgba(46, 42, 62, .25); }
    .side-mask.show { opacity: 1; visibility: visible; }

    .main { margin-left: 0; }
    .topbar { padding: 0 16px; }
    .content { padding: 16px; }
    .table { display: block; overflow-x: auto; }

    /* 移动端触控热区加大 */
    .btn { height: 44px; line-height: 42px; }
    .btn-sm { height: 36px; line-height: 34px; }
    .toolbar input[type="text"] { height: 44px; }
    .pager a { height: 40px; line-height: 38px; }
}

/* 尊重系统减动效偏好 */
@media (prefers-reduced-motion: reduce) {
    .sidebar, .side-mask { transition: none; }
}