/* 配色令牌统一来自 /assets/theme.css；
   --bg/--card/--ink/--sub/--line/--blue/--blue-dark/--blue-grad/--danger/--warn/--ok/--radius
   均为主题兼容别名，此处不再重复定义，仅保留本应用的布局变量。 */
:root {
    --sidebar-w: 220px;
    --topbar-h: 56px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: var(--blue-grad);
    color: var(--on-dark);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}
.sidebar-brand {
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 18px;
    font-size: 18px;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,.15);
}
.brand-icon {
    width: 30px; height: 30px;
    background: rgba(255,255,255,.2);
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
}
.sidebar-nav { padding: 12px 0; flex: 1; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 18px;
    color: rgba(255,255,255,.85);
    font-size: 14px;
    transition: background .15s;
}
.nav-item:hover { background: rgba(255,255,255,.12); text-decoration: none; color: var(--on-dark); }
.nav-item.active { background: rgba(255,255,255,.2); color: var(--on-dark); font-weight: 600; }
.nav-ico { width: 18px; text-align: center; opacity: .8; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
    height: var(--topbar-h);
    background: var(--card);
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}
.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 10px; }
.user-name { font-size: 14px; color: var(--sub); }
.user-badge {
    font-size: 11px; padding: 2px 6px;
    background: var(--warning-100); color: var(--warning-700);
    border-radius: 4px;
}
.content { padding: 24px; flex: 1; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 4px;
    padding: 8px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--card);
    color: var(--ink);
    font-size: 14px;
    cursor: pointer;
    transition: all .15s;
    text-decoration: none;
    line-height: 1.4;
}
.btn:hover { text-decoration: none; opacity: .9; }
.btn-primary { background: var(--blue); color: var(--on-dark); border-color: var(--blue); }
.btn-ghost { background: transparent; }
.btn-danger { background: var(--danger); color: var(--on-dark); border-color: var(--danger); }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-xs { padding: 3px 8px; font-size: 12px; }
.btn-block { width: 100%; }
.btn.disabled, .btn:disabled { opacity: .5; pointer-events: none; }

.input, input[type=text], input[type=password], input[type=email], input[type=date],
input[type=number], input[type=file], select, textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: var(--surface);
    color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: var(--focus-ring); }

.panel {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
    margin-bottom: 20px;
    overflow: hidden;
}
.panel-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--line);
    font-weight: 600;
}
.panel-body { padding: 20px; }

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); }
.table th { color: var(--sub); font-weight: 600; background: var(--surface-muted); }
.table tbody tr:hover { background: var(--surface-muted); }
.action-cell { white-space: nowrap; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; }
.form-group .req { color: var(--danger); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.form-full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

.toolbar {
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    margin-bottom: 16px; flex-wrap: wrap;
}
.filter-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-form .input { width: auto; min-width: 120px; }
.toolbar-right { display: flex; gap: 8px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.stat-num { font-size: 28px; font-weight: 700; color: var(--blue-dark); }
.stat-label { font-size: 13px; color: var(--sub); margin-top: 4px; }

.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; background: var(--info-100); color: var(--info-700); }
.tag-warn { background: var(--warning-100); color: var(--warning-700); }
.status-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.status-1 { background: var(--success-100); color: var(--success-700); }
.status-2 { background: var(--warning-100); color: var(--warning-700); }
.status-3 { background: var(--info-100); color: var(--info-700); }
.status-4 { background: var(--danger-100); color: var(--danger-700); }

.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
.alert-error { background: var(--danger-100); color: var(--danger-700); }
.alert-success { background: var(--success-100); color: var(--success-700); }
.alert-info { background: var(--info-100); color: var(--info-700); line-height: 1.8; }
.alert code { background: rgba(0,0,0,.08); padding: 1px 5px; border-radius: 3px; font-size: 13px; }

.empty-text { text-align: center; color: var(--sub); padding: 40px 0; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 16px 0; }
.page-info { font-size: 14px; color: var(--text-2); }

.modal { position: fixed; inset: 0; z-index: 100; align-items: center; justify-content: center; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.4); }
.modal-box {
    position: relative; background: var(--card); border-radius: var(--radius);
    width: 480px; max-width: 90vw; max-height: 90vh; overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-bottom: 1px solid var(--line);
}
.modal-header h3 { font-size: 16px; }
.modal-close { border: none; background: none; font-size: 22px; cursor: pointer; color: var(--sub); line-height: 1; }
.modal-box .form { padding: 20px; }

.login-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    background: var(--blue-grad);
}
.login-card {
    background: var(--card);
    border-radius: 12px;
    padding: 40px;
    width: 380px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo {
    width: 56px; height: 56px; margin: 0 auto 12px;
    background: var(--blue-grad); border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: var(--on-dark); font-size: 28px; font-weight: 700;
}
.login-header h1 { font-size: 22px; color: var(--ink); }
.login-sub { color: var(--sub); font-size: 13px; margin-top: 4px; }
.login-form .form-group { margin-bottom: 18px; }

.toast {
    position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
    padding: 12px 24px; border-radius: var(--radius);
    font-size: 14px; z-index: 9999; box-shadow: 0 4px 12px rgba(0,0,0,.15);
    animation: toastIn .2s;
}
.toast-success { background: var(--success-700); color: var(--on-dark); }
.toast-error { background: var(--danger-700); color: var(--on-dark); }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(-10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

.import-result { margin-top: 16px; }
.import-result ul { margin: 8px 0 0 20px; }