/* ============================================
   VPanel Auth Server - 管理界面样式
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --sidebar-width: 260px;
    --sidebar-collapsed: 70px;
    --topbar-height: 64px;
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gray-800);
    background: var(--gray-100);
}

.hidden {
    display: none !important;
}

/* ============================================
   登录页面
   ============================================ */

#login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header .logo {
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--gray-500);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.login-form input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.login-footer {
    margin-top: 32px;
    text-align: center;
}

.login-footer p {
    color: var(--gray-400);
    font-size: 12px;
}

/* ============================================
   按钮样式
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn svg {
    width: 18px;
    height: 18px;
}

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

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

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-icon {
    padding: 8px;
    border-radius: 6px;
}

/* ============================================
   主布局
   ============================================ */

#main-page {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--gray-700);
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--gray-400);
    text-decoration: none;
    border-radius: var(--border-radius);
    margin-bottom: 4px;
    transition: var(--transition);
}

.nav-item:hover {
    background: var(--gray-800);
    color: white;
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--gray-700);
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 顶部栏 */
.topbar {
    height: var(--topbar-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--gray-600);
}

.sidebar-toggle svg {
    width: 24px;
    height: 24px;
}

#page-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.user-name {
    color: var(--gray-700);
    font-weight: 500;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* 内容包装器 */
.content-wrapper {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

/* ============================================
   统计卡片
   ============================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 28px;
    height: 28px;
}

.stat-icon.blue {
    background: var(--info-light);
    color: var(--info);
}

.stat-icon.green {
    background: var(--success-light);
    color: var(--success);
}

.stat-icon.orange {
    background: var(--warning-light);
    color: var(--warning);
}

.stat-icon.purple {
    background: var(--primary-light);
    color: var(--primary);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ============================================
   卡片
   ============================================ */

.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--gray-200);
}

.view-all {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.view-all:hover {
    text-decoration: underline;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

/* ============================================
   表格
   ============================================ */

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-600);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--gray-50);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

.table td {
    color: var(--gray-700);
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--gray-400);
}

/* 状态徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-info {
    background: var(--info-light);
    color: var(--info);
}

.badge-gray {
    background: var(--gray-200);
    color: var(--gray-600);
}

/* ============================================
   授权分布图
   ============================================ */

.plan-distribution {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.plan-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.plan-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.plan-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.plan-fill.free {
    background: var(--gray-500);
}

.plan-fill.pro {
    background: var(--primary);
}

.plan-fill.adv {
    background: var(--warning);
}

.plan-fill.ent {
    background: var(--success);
}

.plan-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.plan-name {
    color: var(--gray-600);
    font-size: 13px;
}

.plan-count {
    font-weight: 600;
    color: var(--gray-900);
}

/* ============================================
   内容头部
   ============================================ */

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.search-box {
    display: flex;
    align-items: center;
    gap: 12px;
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    padding: 0 16px;
    width: 320px;
}

.search-box svg {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
}

.search-box input {
    flex: 1;
    border: none;
    padding: 12px 0;
    font-size: 14px;
    outline: none;
}

.filter-group {
    display: flex;
    gap: 12px;
}

/* ============================================
   表单元素
   ============================================ */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-hint {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--gray-500);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.required {
    color: var(--danger);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* ============================================
   模态框
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 12px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* 授权编辑模态框 - 更宽 */
#license-modal .modal-content {
    max-width: 750px;
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--gray-600);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================
   Toast 通知
   ============================================ */

#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success {
    background: var(--success);
    color: white;
}

.toast-error {
    background: var(--danger);
    color: white;
}

.toast-warning {
    background: var(--warning);
    color: white;
}

.toast-info {
    background: var(--info);
    color: white;
}

/* ============================================
   分页
   ============================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pagination-btn {
    padding: 8px 14px;
    border: 1px solid var(--gray-300);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}

.pagination-btn:hover {
    background: var(--gray-100);
}

.pagination-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   设置页面
   ============================================ */

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* ============================================
   操作按钮组
   ============================================ */

.action-btns {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-500);
    border-radius: 4px;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.action-btn.edit:hover {
    color: var(--primary);
}

.action-btn.delete:hover {
    color: var(--danger);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   响应式
   ============================================ */

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .content-header {
        flex-direction: column;
        gap: 16px;
    }

    .search-box {
        width: 100%;
    }
}