/* SkillVault 管理台 — 复用桌面端设计令牌体系（A-UI §3） */
:root {
  --sv-primary: #4f46e5;
  --sv-primary-soft: #eef2ff;
  --sv-success: #059669; --sv-success-soft: #ecfdf5;
  --sv-warning: #d97706; --sv-warning-soft: #fffbeb;
  --sv-danger: #dc2626;  --sv-danger-soft: #fef2f2;
  --sv-text-1: #1f2937; --sv-text-2: #4b5563; --sv-text-3: #9ca3af;
  --sv-bg: #f5f6f8; --sv-card: #ffffff; --sv-border: #e5e7eb;
  --sv-mono: ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body, #app { height: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Helvetica Neue", sans-serif;
  background: var(--sv-bg); color: var(--sv-text-1); font-size: 14px;
}
#app { display: flex; }

/* 侧栏 */
.a-sidebar {
  width: 208px; background: #111827; color: #d1d5db; flex-shrink: 0;
  display: flex; flex-direction: column; padding: 14px 10px;
}
.a-brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 18px; font-weight: 700; color: #fff; font-size: 15px; }
.a-brand-logo {
  width: 30px; height: 30px; border-radius: 8px; background: var(--sv-primary);
  display: grid; place-items: center; font-size: 12px; font-weight: 800; color: #fff;
}
.a-nav-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border: 0; background: none; color: #9ca3af;
  font-size: 13.5px; cursor: pointer; border-radius: 8px; text-align: left; margin-bottom: 2px;
}
.a-nav-item:hover { background: #1f2937; color: #f3f4f6; }
.a-nav-item.active { background: var(--sv-primary); color: #fff; }
.a-sidebar-footer { margin-top: auto; padding: 10px; font-size: 12px; color: #6b7280; }

/* 主区 */
.a-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.a-topbar {
  height: 52px; background: var(--sv-card); border-bottom: 1px solid var(--sv-border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
  flex-shrink: 0;
}
.a-topbar-title { font-size: 15px; font-weight: 600; }
.a-content { flex: 1; overflow-y: auto; padding: 20px; }
/* 内容区居中：宽屏时内容列不超过 1200px */
.a-content > div { max-width: 1200px; margin: 0 auto; width: 100%; }

/* 卡片 / 统计 */
.card { background: var(--sv-card); border: 1px solid var(--sv-border); border-radius: 12px; }
.card-pad { padding: 16px 18px; }
.mb-3 { margin-bottom: 14px; } .mt-2 { margin-top: 8px; } .mt-3 { margin-top: 14px; }
.stat-grid { display: flex; gap: 14px; flex-wrap: wrap; }
.stat-card { flex: 1; min-width: 150px; }
.stat-num { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat-label { font-size: 12.5px; color: var(--sv-text-3); }

/* 表格 */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th {
  text-align: left; padding: 9px 12px; color: var(--sv-text-3); font-weight: 500;
  border-bottom: 1px solid var(--sv-border); font-size: 12px; white-space: nowrap;
}
.table td { padding: 10px 12px; border-bottom: 1px solid #f3f4f6; vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }

/* 标签 */
.tag { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.tag-success { background: var(--sv-success-soft); color: var(--sv-success); }
.tag-warning { background: var(--sv-warning-soft); color: var(--sv-warning); }
.tag-danger { background: var(--sv-danger-soft); color: var(--sv-danger); }
.tag-neutral { background: #f3f4f6; color: var(--sv-text-2); }
.tag-primary { background: var(--sv-primary-soft); color: var(--sv-primary); }
.mono { font-family: var(--sv-mono); font-size: 12px; }
.muted { color: var(--sv-text-3); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px;
  border-radius: 8px; border: 1px solid var(--sv-border); background: var(--sv-card);
  font-size: 13px; cursor: pointer; color: var(--sv-text-1);
}
.btn:hover { background: #f9fafb; }
.btn-primary { background: var(--sv-primary); border-color: var(--sv-primary); color: #fff; }
.btn-primary:hover { background: #4338ca; }
.btn-danger { background: var(--sv-danger); border-color: var(--sv-danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; border-color: #b91c1c; color: #fff; }
.btn-success { background: var(--sv-success); border-color: var(--sv-success); color: #fff; }
.btn-success:hover { background: #047857; border-color: #047857; color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 6px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* 表单 */
.input, .select, textarea.input {
  width: 100%; padding: 8px 12px; border: 1px solid var(--sv-border); border-radius: 8px;
  font-size: 13.5px; background: var(--sv-card); color: var(--sv-text-1); font-family: inherit;
}
.input:focus, .select:focus { outline: 2px solid var(--sv-primary-soft); border-color: var(--sv-primary); }
label.field { display: block; font-size: 12.5px; color: var(--sv-text-2); margin-bottom: 5px; font-weight: 500; }
.form-row { margin-bottom: 14px; }

/* 登录页 */
.login-wrap { flex: 1; display: grid; place-items: center; background: linear-gradient(135deg, #eef2ff 0%, #f5f6f8 60%); }
.login-card { width: 360px; padding: 34px 30px; }
.login-title { font-size: 19px; font-weight: 700; text-align: center; margin-bottom: 4px; }
.login-sub { font-size: 12.5px; color: var(--sv-text-3); text-align: center; margin-bottom: 24px; }

/* 弹窗 */
#modal-root {
  position: fixed; inset: 0; display: none; place-items: center;
  background: rgba(17, 24, 39, 0.45); z-index: 50;
}
#modal-root.open { display: grid; }
.modal {
  width: min(560px, 92vw); max-height: 86vh; overflow-y: auto;
  background: var(--sv-card); border-radius: 14px; padding: 22px;
}
.modal-title { font-size: 16px; font-weight: 650; margin-bottom: 16px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* toast */
#toast-root { position: fixed; top: 18px; right: 18px; z-index: 99; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 10px 16px; border-radius: 10px; color: #fff; font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,.16); animation: slide-in .2s ease;
}
.toast.success { background: var(--sv-success); }
.toast.error { background: var(--sv-danger); }
@keyframes slide-in { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

.empty { text-align: center; padding: 50px 20px; color: var(--sv-text-3); }
.empty-icon { font-size: 34px; margin-bottom: 8px; }
.flex { display: flex; } .items-center { align-items: center; } .gap-2 { gap: 8px; } .gap-3 { gap: 14px; }
	code.kv { background:#f3f4f6; padding:2px 6px; border-radius:5px; font-family:var(--sv-mono); font-size:12px; }