/* ============ 任务提醒 Bot 后台样式 ============ */
:root {
    --bg: #0e1117;
    --panel: #161b22;
    --border: #30363d;
    --text: #e6edf3;
    --muted: #8b949e;
    --accent: #58a6ff;
    --green: #3fb950;
    --red: #f85149;
    --radius: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

/* ---- 顶部导航 ---- */
.admin-nav {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 0 20px;
    height: 56px;
}
.brand { font-weight: 700; font-size: 16px; white-space: nowrap; }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-links a {
    color: var(--muted);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 8px;
    white-space: nowrap;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.06); }
.nav-links a.on { color: var(--accent); background: rgba(88,166,255,.13); }
.nav-user { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }

/* ---- 提示条 ---- */
.flash {
    padding: 10px 16px;
    margin: 12px auto 0;
    max-width: 1100px;
    border-radius: 8px;
    font-size: 13.5px;
}
.flash-ok { background: rgba(63,185,80,.12); color: var(--green); border: 1px solid rgba(63,185,80,.3); }
.flash-error { background: rgba(248,81,73,.12); color: var(--red); border: 1px solid rgba(248,81,73,.3); }

/* ---- 页面容器 ---- */
.page { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
.page h2 { margin-bottom: 18px; font-size: 20px; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.card h3 { margin-bottom: 12px; font-size: 15px; }
.card p, .card ul { color: var(--muted); }
.card ul { padding-left: 18px; }
.card code {
    background: rgba(255,255,255,.08);
    padding: 2px 6px;
    border-radius: 5px;
    font-size: 12.5px;
    color: #7ee787;
}

/* ---- 统计卡片 ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}
.stat-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
}
.stat-num { font-size: 28px; font-weight: 700; color: var(--accent); }
.stat-label { color: var(--muted); font-size: 12.5px; margin-top: 4px; }

/* ---- 表单 ---- */
label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 13px; }
input[type=text], input[type=password], input[type=datetime-local], select, textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 9px 12px;
    font-size: 14px;
    outline: none;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; }

.form-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.form-row input[type=text] { flex: 2; min-width: 200px; width: auto; }
.form-row input[type=datetime-local] { flex: 1; min-width: 170px; width: auto; }
.form-row select { flex: 1; min-width: 110px; width: auto; }
.hint { color: var(--muted); font-size: 12.5px; margin-top: 6px; }

/* ---- 按钮 ---- */
.btn {
    display: inline-block;
    background: rgba(255,255,255,.08);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    font-family: inherit;
}
.btn:hover { background: rgba(255,255,255,.14); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { opacity: .88; background: var(--accent); }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.btn-danger { color: var(--red); border-color: rgba(248,81,73,.4); }
.btn-danger:hover { background: rgba(248,81,73,.15); }
.btn-ghost { padding: 5px 12px; font-size: 12.5px; }
.inline-form { display: inline; }

/* ---- 标签 / 筛选 ---- */
.filter-row { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    background: rgba(255,255,255,.06);
    color: var(--muted);
    text-decoration: none;
    border: 1px solid var(--border);
}
.tag-on { background: rgba(88,166,255,.15); color: var(--accent); border-color: rgba(88,166,255,.4); }
.tag-ok { background: rgba(63,185,80,.12); color: var(--green); border-color: rgba(63,185,80,.3); }
.tag-warn { background: rgba(210,153,34,.12); color: #d29922; border-color: rgba(210,153,34,.3); }
.tag-muted { background: rgba(255,255,255,.06); color: var(--muted); }

/* ---- 表格 ---- */
.table-card { padding: 0; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--muted);
    font-size: 12.5px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.03);
    white-space: nowrap;
}
.data-table td { padding: 11px 16px; border-bottom: 1px solid rgba(255,255,255,.05); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,.03); }
.empty { text-align: center; color: var(--muted); padding: 30px !important; }

/* ---- 登录页 ---- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box {
    width: 340px;
    max-width: 90%;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
}
.login-box h1 { font-size: 20px; text-align: center; margin-bottom: 4px; }
.login-sub { text-align: center; color: var(--muted); margin-bottom: 18px; }
.login-box input { margin-bottom: 12px; }

/* ---- 移动端 ---- */
@media (max-width: 700px) {
    .nav-inner { flex-wrap: wrap; height: auto; padding: 10px 14px; gap: 8px; }
    .nav-links { order: 3; flex-basis: 100%; overflow-x: auto; }
    .page { padding: 16px 12px 50px; }

    .data-table thead { display: none; }
    .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
    .data-table tr { padding: 10px 14px; border-bottom: 1px solid var(--border); }
    .data-table td { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border: none; }
    .data-table td::before { content: attr(data-label); color: var(--muted); font-size: 12.5px; }
    .data-table td .inline-form { flex-shrink: 0; }
}