/* 智汇HRMS P2 Offer管理 - 通用样式 */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --info: #0891b2;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1f2937;
    --text-muted: #6b7280;
    --border: #e5e7eb;
}

* { box-sizing: border-box; }
body {
    margin: 0; padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg); color: var(--text); font-size: 14px;
}

/* 导航 */
.nav-back { color: #9ca3af !important; margin-right: 8px; text-decoration: none; font-size: 14px; }
.navbar {
    background: var(--card); border-bottom: 1px solid var(--border);
    padding: 0 20px; height: 56px; display: flex; align-items: center; justify-content: space-between;
    position: sticky; top: 0; z-index: 100;
}
.nav-brand { font-weight: 700; font-size: 18px; color: var(--primary); }
.nav-links a { margin-left: 20px; color: var(--text); text-decoration: none; }
.nav-links a:hover { color: var(--primary); }
.nav-user { margin-left: 20px; color: var(--text-muted); }

.container { max-width: 1100px; margin: 20px auto; padding: 0 16px; }

/* 卡片 */
.card {
    background: var(--card); border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    padding: 20px; margin-bottom: 16px;
}
.card-title { font-size: 16px; font-weight: 600; margin-bottom: 16px; }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px;
    font-size: 14px; background: #fff;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--primary);
}
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 220px; }

/* 按钮 */
.btn {
    display: inline-block; padding: 9px 16px; border-radius: 6px; border: none;
    font-size: 14px; cursor: pointer; text-decoration: none; text-align: center;
    transition: background 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-info { background: var(--info); color: #fff; }
.btn-secondary { background: #f3f4f6; color: var(--text); border: 1px solid var(--border); }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; background: var(--card); }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f9fafb; font-weight: 600; }
tr:hover { background: #f9fafb; }

/* 标签 */
.badge {
    display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 12px; font-weight: 500;
}
.badge-draft { background: #f3f4f6; color: #4b5563; }
.badge-pending_approval { background: #fef3c7; color: #92400e; }
.badge-approved { background: #d1fae5; color: #065f46; }
.badge-sent { background: #dbeafe; color: #1e40af; }
.badge-signed { background: #c7d2fe; color: #3730a3; }
.badge-rejected { background: #fee2e2; color: #991b1b; }

/* 提示 */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; }
.alert-success { background: #d1fae5; color: #065f46; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-info { background: #dbeafe; color: #1e40af; }
.alert-warning { background: #fef3c7; color: #92400e; }

/* 登录页 */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box {
    width: 360px; background: var(--card); padding: 32px; border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.login-box h2 { margin-top: 0; margin-bottom: 24px; text-align: center; }

/* 操作栏 */
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }

/* 签名页 */
.sign-container {
    max-width: 600px; margin: 0 auto; padding: 20px;
}
.sign-canvas-wrapper {
    border: 2px dashed var(--border); border-radius: 8px;
    background: #fff; position: relative; overflow: hidden;
}
.sign-canvas-wrapper canvas { width: 100%; height: 220px; display: block; }
.sign-actions { display: flex; gap: 10px; margin-top: 16px; }

/* 详情页 */
.detail-section { margin-bottom: 20px; }
.detail-section h3 { font-size: 15px; margin-bottom: 10px; color: var(--text); }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.detail-item { background: #f9fafb; padding: 10px 12px; border-radius: 6px; }
.detail-item label { display: block; color: var(--text-muted); font-size: 12px; margin-bottom: 4px; }
.detail-item span { font-weight: 500; }

/* 审计日志 */
.audit-log { font-size: 13px; }
.audit-log li { margin-bottom: 8px; color: var(--text-muted); }

/* 响应式 */
@media (max-width: 768px) {
    .container { padding: 0 12px; }
    .form-row { flex-direction: column; gap: 0; }
    .form-row .form-group { min-width: 100%; }
    table { font-size: 12px; }
    th, td { padding: 8px; }
    .actions { flex-direction: column; }
    .actions .btn { width: 100%; }
}