:root {
    --primary: #20a53a;
    --primary-dark: #18852e;
    --bg: #f4f6f8;
    --card: #ffffff;
    --text: #2b3440;
    --muted: #7a8699;
    --border: #e3e8ee;
    --danger: #d9534f;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2 { margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 16px; }

.mono { font-family: Consolas, Monaco, monospace; background: #f0f3f7; padding: 8px 12px; border-radius: 6px; word-break: break-all; }
.tip { color: var(--muted); font-size: 13px; }
.empty { text-align: center; color: var(--muted); padding: 20px 0 !important; }

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
}
.btn:hover { text-decoration: none; border-color: #c9d3e0; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-light { background: #fff; }
.btn-block { display: block; width: 100%; text-align: center; }

.alert {
    background: #eef8f0;
    border: 1px solid #cdeccd;
    color: #256d2f;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 14px;
}
.alert-error { background: #fdf0f0; border-color: #f3cfcf; color: #a33; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 18px;
}

/* ---------- 首页 ---------- */
.page-home { background: linear-gradient(160deg, #eef7ef 0%, #f4f6f8 45%); min-height: 100vh; }
.home-wrap { max-width: 980px; margin: 0 auto; padding: 40px 20px; }
.home-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.home-header .logo { display: flex; align-items: center; gap: 14px; }
.home-header h1 { margin: 0; font-size: 24px; }
.home-header p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.logo-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 12px;
    background: var(--primary); color: #fff; font-weight: 700; font-size: 18px;
}
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 10px;
    padding: 18px; text-align: center;
}
.stat-card b { display: block; font-size: 26px; color: var(--primary); }
.stat-card span { color: var(--muted); font-size: 13px; }
.steps li { margin-bottom: 6px; }
.home-footer { text-align: center; color: var(--muted); margin-top: 30px; font-size: 13px; }

/* ---------- 登录 ---------- */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(160deg, #1f2d3d 0%, #2f4a3a 100%);
}
.login-box {
    width: 360px; background: #fff; border-radius: 12px; padding: 32px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .25);
}
.login-logo { text-align: center; margin-bottom: 8px; }
.login-box h1 { font-size: 18px; text-align: center; margin-bottom: 20px; }
.login-box label { display: block; margin-bottom: 14px; color: var(--muted); font-size: 13px; }
.login-box input {
    width: 100%; margin-top: 6px; padding: 10px 12px;
    border: 1px solid var(--border); border-radius: 6px; font-size: 14px;
}
.login-tip { text-align: center; color: var(--muted); font-size: 12px; margin-top: 16px; }

/* ---------- 后台布局 ---------- */
.admin { background: var(--bg); }
.layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 210px; background: #232c38; color: #cfd8e3;
    display: flex; flex-direction: column; flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px; font-weight: 600; color: #fff; }
.brand .logo-mark { width: 34px; height: 34px; border-radius: 8px; font-size: 14px; }
.sidebar nav { flex: 1; padding: 6px 0; }
.sidebar nav a {
    display: block; padding: 11px 20px; color: #cfd8e3; font-size: 14px;
    border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: rgba(255, 255, 255, .06); text-decoration: none; }
.sidebar nav a.active { background: rgba(32, 165, 58, .18); border-left-color: var(--primary); color: #fff; }
.sidebar-footer {
    padding: 14px 20px; border-top: 1px solid rgba(255, 255, 255, .08);
    display: flex; justify-content: space-between; font-size: 13px;
}
.content { flex: 1; padding: 20px 24px 40px; min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.topbar h1 { font-size: 20px; margin: 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 1100px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- 表单 ---------- */
.form label { display: block; margin-bottom: 12px; color: #4a5568; font-size: 13px; }
.form input[type=text], .form input[type=password], .form input[type=number], .form input[type=date],
.form select, .form textarea {
    width: 100%; margin-top: 5px; padding: 9px 11px;
    border: 1px solid var(--border); border-radius: 6px; font-size: 14px;
    font-family: inherit; background: #fff;
}
.form textarea { resize: vertical; }
.form-row { display: flex; gap: 12px; }
.form-row label { flex: 1; }
.form-actions { margin-top: 6px; display: flex; gap: 10px; }
.form-inline { display: flex; gap: 10px; margin-bottom: 12px; }
.form-inline input, .form-inline select {
    padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px;
}
.form-inline input[type=text] { flex: 1; }

/* ---------- 表格 ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-weight: 500; background: #fafbfc; }
.table tr:hover td { background: #fafcfb; }
.url-cell { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ops { white-space: nowrap; }
.ops form { margin: 0; }
.link-danger, .link-btn {
    background: none; border: 0; padding: 0 6px; cursor: pointer;
    color: var(--danger); font-size: 13px;
}
.link-btn { color: var(--primary); }
.link-danger:hover, .link-btn:hover { text-decoration: underline; }

.pagination { margin-top: 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.pagination a, .pagination .current {
    padding: 5px 11px; border: 1px solid var(--border); border-radius: 5px;
    background: #fff; font-size: 13px;
}
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }