:root {
    --bg: #f4f6f9;
    --card: #ffffff;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --sidebar: #0f172a;
    --sidebar-fg: #cbd5e1;
    --sidebar-active: #2563eb;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
}

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

.sidebar {
    width: 220px;
    background: var(--sidebar);
    color: var(--sidebar-fg);
    padding: 20px 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}
.sidebar .brand {
    padding: 0 20px 20px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 12px;
}
.sidebar-user {
    padding: 0 20px 14px;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-user .user-name { color: #fff; font-weight: 600; font-size: 13px; }
.sidebar-section {
    padding: 12px 20px 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: rgba(203,213,225,0.5);
}
.sidebar a {
    display: block;
    padding: 10px 20px;
    color: var(--sidebar-fg);
    text-decoration: none;
    border-left: 3px solid transparent;
}
.sidebar a:hover { background: rgba(255,255,255,0.05); color: #fff; }
.sidebar a.active { background: rgba(37,99,235,0.15); color: #fff; border-left-color: var(--sidebar-active); }
.sidebar a.sidebar-project-name { font-weight: 600; color: #fff; padding-left: 20px; }
.sidebar a.sidebar-sub { padding-left: 32px; font-size: 13px; }

.main { flex: 1; padding: 24px 32px; overflow-x: auto; }
.main h1 { font-size: 22px; margin-bottom: 20px; font-weight: 600; }

/* ---------- 登录页 ---------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background: var(--card);
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    width: 360px;
}
.login-card h1 { font-size: 20px; text-align: center; margin-bottom: 24px; }

/* ---------- 组件 ---------- */
.card {
    background: var(--card);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card { background: var(--card); border-radius: 8px; padding: 18px 20px; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
.stat-card .label { color: var(--muted); font-size: 13px; }
.stat-card .value { font-size: 28px; font-weight: 700; margin-top: 4px; }

input, textarea, select {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
label { display: block; font-weight: 500; margin-bottom: 6px; }
.form-row { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.btn {
    display: inline-block;
    padding: 9px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    background: var(--primary);
    color: #fff;
    transition: background .15s;
}
.btn:hover { background: var(--primary-dark); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #b91c1c; }
.btn-success { background: var(--success); }
.btn-success:hover { background: #15803d; }
.btn-warning { background: var(--warning); }
.btn-warning:hover { background: #b45309; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--border); }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f9fafb; font-weight: 600; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .3px; }
td { font-size: 14px; }
tr:last-child td { border-bottom: none; }
td.mono, .mono { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 12px; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-muted { background: #f3f4f6; color: var(--muted); }
.badge-warning { background: #fef3c7; color: #92400e; }

.flash { padding: 11px 16px; border-radius: 6px; margin-bottom: 16px; }
.flash-success { background: #dcfce7; color: #166534; }
.flash-danger { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #fef3c7; color: #92400e; }
.flash-info { background: #dbeafe; color: #1e40af; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); font-size: 12px; }
.token-box {
    background: #0f172a; color: #4ade80;
    padding: 14px; border-radius: 6px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    word-break: break-all; font-size: 13px;
}
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.empty { text-align: center; padding: 40px; color: var(--muted); }

/* ---------- 角色 / 项目 / 面包屑 (多项目改造) ---------- */
.role-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    vertical-align: middle;
}
.role-superadmin { background: #fef3c7; color: #92400e; }
.role-user { background: #e0e7ff; color: #3730a3; }

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}
.project-card {
    display: block;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px 18px;
    text-decoration: none;
    color: var(--text);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: border-color .15s, box-shadow .15s;
}
.project-card:hover { border-color: var(--primary); box-shadow: 0 4px 12px rgba(37,99,235,0.12); }
.project-card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }

.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 18px;
}
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }