/* ==========================================================================
   CRM 系统样式表
   ========================================================================== */

:root {
    --color-primary: #ea6c00;
    --color-primary-dark: #b45309;
    --color-primary-light: #fff7ed;
    --color-success: #16a34a;
    --color-warning: #f59e0b;
    --color-danger: #dc2626;
    --color-info: #0891b2;
    --color-bg: #fafaf9;
    --color-surface: #ffffff;
    --color-border: #e7e5e4;
    --color-text: #1c1917;
    --color-text-muted: #78716c;
    --color-text-light: #a8a29e;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --radius-sm: 4px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                   "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   导航栏
   ========================================================================== */
.navbar {
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--color-primary);
}

.nav-brand a {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all 0.2s;
}

.nav-link:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
}

.user-info {
    font-size: 12px;
    color: var(--color-text-muted);
}

.btn-logout, .btn-login {
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    font-family: inherit;
}

.btn-logout {
    color: var(--color-danger);
    border: 1px solid var(--color-border);
    background: transparent;
}

.btn-logout:hover {
    background: var(--color-danger);
    color: white;
}

.btn-login {
    background: var(--color-primary);
    color: white;
}

/* ==========================================================================
   容器
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
    flex: 1;
}

/* ==========================================================================
   统计卡片
   ========================================================================== */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    border-left: 4px solid var(--color-primary);
    transition: box-shadow 0.2s;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-card.stat-warning {
    border-left-color: var(--color-warning);
}

.stat-card.stat-danger {
    border-left-color: var(--color-danger);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ==========================================================================
   区块
   ========================================================================== */
.section {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    border-top: 3px solid var(--color-primary);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.section-actions {
    display: flex;
    gap: 8px;
}

/* ==========================================================================
   表格
   ========================================================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--color-primary-light);
    color: var(--color-text-muted);
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
}

.data-table tr:hover {
    background: var(--color-primary-light);
}

.data-table a {
    color: var(--color-primary);
    text-decoration: none;
}

.data-table a:hover {
    text-decoration: underline;
}

.empty-state {
    text-align: center;
    padding: 32px;
    color: var(--color-text-light);
}

.empty-state-full {
    grid-column: 1 / -1;
    text-align: center;
    padding: 48px;
    color: var(--color-text-light);
    font-size: 16px;
}

/* ==========================================================================
   徽章
   ========================================================================== */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-personal { background: #fed7aa; color: #9a3412; }
.badge-regional { background: #dcfce7; color: #166534; }
.badge-public { background: #fef3c7; color: #92400e; }
.badge-cooperated { background: #f3e8ff; color: #6b21a8; }
.badge-none { background: #f1f5f9; color: #64748b; }
.badge-active { background: #dcfce7; color: #166534; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-rating-A { background: #dcfce7; color: #166534; }
.badge-rating-B { background: #fed7aa; color: #9a3412; }
.badge-rating-C { background: #f1f5f9; color: #64748b; }
.badge-status-有效 { background: #dcfce7; color: #166534; }
.badge-status-过期 { background: #fee2e2; color: #991b1b; }
.badge-status-注销 { background: #f1f5f9; color: #64748b; }
.badge-status-转让中 { background: #fef3c7; color: #92400e; }

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s;
}

.btn:hover {
    background: var(--color-primary-light);
}

.btn-primary { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-success { background: var(--color-success); color: white; border-color: var(--color-success); }
.btn-info { background: var(--color-info); color: white; border-color: var(--color-info); }
.btn-warning { background: var(--color-warning); color: white; border-color: var(--color-warning); }
.btn-danger { background: var(--color-danger); color: white; border-color: var(--color-danger); }
.btn-block { display: block; width: 100%; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ==========================================================================
   搜索/输入
   ========================================================================== */
.search-input, .form-input {
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.search-input:focus, .form-input:focus {
    border-color: var(--color-primary);
}

.search-form {
    display: flex;
    gap: 8px;
}

/* ==========================================================================
   分页
   ========================================================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
}

.page-link {
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-primary);
    transition: all 0.2s;
}

.page-link:hover {
    background: var(--color-primary);
    color: white;
}

.page-current {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ==========================================================================
   登录页
   ========================================================================== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 56px - 48px);
}

.login-box {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.login-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 16px;
}

.login-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.form-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
}

/* ==========================================================================
   信息网格
   ========================================================================== */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 12px;
    color: var(--color-text-muted);
}

.info-value {
    font-size: 14px;
    font-weight: 600;
}

/* ==========================================================================
   提醒
   ========================================================================== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.warning-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.warning-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: #fffbeb;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-warning);
}

.warning-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.warning-detail {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ==========================================================================
   卡片网格（公海池）
   ========================================================================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.customer-card {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 16px;
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    transition: box-shadow 0.2s;
}

.customer-card:hover {
    box-shadow: var(--shadow-md);
}

.customer-card.card-locked {
    border-color: var(--color-danger);
    background: #fef2f2;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.card-header h4 {
    font-size: 16px;
    color: var(--color-text);
}

.card-body {
    margin-bottom: 12px;
}

.card-info {
    font-size: 14px;
    margin-bottom: 4px;
}

.card-info .info-label {
    display: inline;
    color: var(--color-text-muted);
}

.license-count {
    font-weight: 600;
    color: var(--color-success);
}

.card-footer {
    display: flex;
    gap: 8px;
}

/* ==========================================================================
   拓展机会
   ========================================================================== */
.opportunity-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.opportunity-card {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-sm);
    padding: 12px;
}

.opp-name {
    font-weight: 600;
    color: #166534;
}

.opp-spec {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ==========================================================================
   无权限页
   ========================================================================== */
.no-permission {
    text-align: center;
    padding: 60px 20px;
}

.np-icon {
    font-size: 48px;
    color: var(--color-warning);
    margin-bottom: 16px;
}

.no-permission h2 {
    margin-bottom: 8px;
}

.no-permission p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* ==========================================================================
   消息提示
   ========================================================================== */
.messages {
    margin-bottom: 16px;
}

.message {
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}

.message.success { background: #dcfce7; color: #166534; }
.message.error { background: #fee2e2; color: #991b1b; }
.message.warning { background: #fef3c7; color: #92400e; }
.message.info { background: #fff7ed; color: #9a3412; }

/* ==========================================================================
   工具类
   ========================================================================== */
.text-muted { color: var(--color-text-muted); }
.text-active { color: var(--color-success); font-weight: 600; }
.icon { color: var(--color-warning); font-weight: bold; }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer {
    text-align: center;
    padding: 16px;
    color: var(--color-text-light);
    font-size: 13px;
    border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        height: auto;
        padding: 12px;
    }
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    .container {
        padding: 16px;
    }
    .stats-cards {
        grid-template-columns: 1fr 1fr;
    }
    .section-header {
        flex-direction: column;
        gap: 12px;
    }
}