/* ============================================================
   精简客户门户 - 样式 (模仿 New API Classic 主题)
   ============================================================ */

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

:root {
    --primary: #3f87f5;
    --primary-hover: #2a6fd4;
    --primary-light: #e8f0fe;
    --sidebar-bg: #232429;
    --sidebar-text: #e4e7f5;
    --sidebar-hover: #2d2e3a;
    --sidebar-active: #3f87f5;
    --bg-body: #f2f4f8;
    --card-bg: #ffffff;
    --card-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    --text-primary: #1a1a2e;
    --text-secondary: #5a5a7a;
    --text-muted: #8a8aaa;
    --border-color: #e8eaf0;
    --toast-success: #07bc0c;
    --toast-error: #e74c3c;
    --toast-warning: #f1c40f;
    --toast-info: #3498db;
    --sidebar-width: 220px;
    --header-height: 56px;
    --radius: 8px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html {
    font-size: 14px;
}

body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

/* ---------- Toast ---------- */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 380px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    padding: 12px 18px;
    border-radius: var(--radius);
    background: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    border-left: 4px solid var(--toast-info);
    font-size: 0.9rem;
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast.success {
    border-left-color: var(--toast-success);
}
.toast.error {
    border-left-color: var(--toast-error);
}
.toast.warning {
    border-left-color: var(--toast-warning);
}
.toast i {
    font-size: 1.1rem;
}
.toast.success i {
    color: var(--toast-success);
}
.toast.error i {
    color: var(--toast-error);
}
.toast.warning i {
    color: var(--toast-warning);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ---------- 登录页 ---------- */
.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: var(--bg-body);
}

.login-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.10);
    padding: 48px 40px 32px;
    width: 380px;
    max-width: 94%;
    text-align: center;
}

.login-card .logo {
    margin-bottom: 4px;
}

.login-card .sub {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 28px;
}

.login-card .form-group {
    text-align: left;
    margin-bottom: 16px;
}

.login-card .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.login-card .form-group input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: border 0.2s;
    background: #fafbfc;
}

.login-card .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(63, 135, 245, 0.15);
}

.login-btn {
    width: 100%;
    padding: 10px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 4px;
}

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

.login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.login-footer {
    margin-top: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---------- 布局: 侧边栏 + 主内容 ---------- */
.app-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width 0.25s ease;
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.sidebar.collapsed {
    width: 64px;
}

.sidebar .brand {
    display: flex;
    align-items: center;
    height: var(--header-height);
    padding: 0 16px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar .brand .logo-icon {
    height: 24px;
    width: auto;
    flex-shrink: 0;
}

.sidebar.collapsed .brand span {
    display: none;
}

.sidebar .nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.sidebar .nav-section {
    padding: 8px 16px 4px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.3);
}

.sidebar.collapsed .nav-section {
    display: none;
}

.sidebar .nav-item {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    margin: 2px 8px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.15s;
    color: var(--sidebar-text);
    gap: 12px;
    font-size: 0.9rem;
}

.sidebar .nav-item:hover {
    background: var(--sidebar-hover);
}

.sidebar .nav-item.active {
    background: var(--sidebar-active);
    color: #fff;
}

.sidebar .nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar.collapsed .nav-item span {
    display: none;
}

.sidebar .sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
    display: flex;
    justify-content: center;
}

.sidebar .sidebar-footer .collapse-btn {
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px 12px;
    border-radius: var(--radius);
    transition: background 0.15s;
}

.sidebar .sidebar-footer .collapse-btn:hover {
    background: var(--sidebar-hover);
}

/* 主内容 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* 顶栏 */
.topbar {
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

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

.topbar .left .menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.topbar .right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar .right .top-nav {
    display: flex;
    gap: 16px;
}

.topbar .right .top-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}

.topbar .right .top-nav a:hover {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.topbar .right .top-nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.topbar .user-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    position: relative;
}

.topbar .user-menu:hover {
    color: var(--text-primary);
}

.topbar .user-menu .avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}

.topbar .user-menu .dropdown {
    display: none;
    position: absolute;
    top: 36px;
    right: 0;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    min-width: 140px;
    padding: 6px 0;
    border: 1px solid var(--border-color);
}

.topbar .user-menu .dropdown.show {
    display: block;
}

.topbar .user-menu .dropdown a {
    display: block;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: background 0.1s;
}

.topbar .user-menu .dropdown a:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

.topbar .user-menu .dropdown a.danger {
    color: var(--toast-error);
}

.topbar .user-menu .dropdown a.danger:hover {
    background: #fde8e8;
}

/* 页面内容 */
.page-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background: var(--bg-body);
}

.page-content .page-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.page-content .page-title small {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-left: 8px;
}

/* ---------- 卡片 ---------- */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

/* 统计卡片行 */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--card-shadow);
    padding: 18px 20px;
}

.stat-card .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stat-card .value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2px;
}

.stat-card .value small {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 4px;
}

/* ---------- 表格 ---------- */
.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

table th {
    text-align: left;
    padding: 10px 12px;
    background: #f8f9fc;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 1px solid var(--border-color);
}

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

table tr:hover td {
    background: #fafbfc;
}

.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-badge.green {
    background: #e6f7e6;
    color: #1a7a1a;
}
.status-badge.red {
    background: #fde8e8;
    color: #b33a3a;
}
.status-badge.gray {
    background: #f0f0f0;
    color: #777;
}
.status-badge.blue {
    background: #e6f0ff;
    color: #1a5ab3;
}

/* 操作按钮 */
.action-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.15s;
    font-size: 0.85rem;
}

.action-btn:hover {
    background: var(--bg-body);
    color: var(--text-primary);
}

.action-btn.danger:hover {
    background: #fde8e8;
    color: var(--toast-error);
}

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

/* ---------- 表单 ---------- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: border 0.2s;
    background: #fafbfc;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(63, 135, 245, 0.12);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.btn {
    padding: 8px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

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

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

.btn-secondary {
    background: var(--bg-body);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    background: var(--toast-error);
    color: #fff;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-sm {
    padding: 5px 14px;
    font-size: 0.8rem;
}

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

/* ---------- 弹窗 (Modal) ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px 32px 24px;
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal .modal-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
}

.modal .modal-header .close {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0 4px;
}

.modal .modal-header .close:hover {
    color: var(--text-primary);
}

.modal .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.modal .modal-body .key-display {
    background: #f8f9fc;
    padding: 14px 16px;
    border-radius: var(--radius);
    font-family: "SF Mono", "Menlo", monospace;
    font-size: 0.85rem;
    word-break: break-all;
    border: 1px solid var(--border-color);
    margin-bottom: 12px;
    user-select: all;
}

.modal .modal-body .warning-text {
    font-size: 0.8rem;
    color: var(--toast-warning);
    margin-top: 8px;
}

/* ---------- 空状态 ---------- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2.4rem;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 0.95rem;
}

/* ---------- 分页 ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pagination button {
    padding: 4px 14px;
    border: 1px solid var(--border-color);
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 0.85rem;
}

.pagination button:hover:not(:disabled) {
    background: var(--primary-light);
    border-color: var(--primary);
}

.pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        width: 240px;
        transition: transform 0.25s ease;
        z-index: 100;
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
    }

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

    .sidebar.collapsed {
        width: 240px;
    }

    .sidebar.collapsed .brand span,
    .sidebar.collapsed .nav-item span,
    .sidebar.collapsed .nav-section {
        display: block;
    }

    .topbar .left .menu-toggle {
        display: block;
    }

    .topbar .right .top-nav {
        display: none;
    }

    .topbar .right .top-nav.mobile-show {
        display: flex;
        position: absolute;
        top: var(--header-height);
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 12px 20px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        border-radius: 0 0 var(--radius) var(--radius);
        gap: 8px;
        min-width: 120px;
    }

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

    .login-card {
        padding: 32px 24px;
    }

    .page-content {
        padding: 16px;
    }

    .modal {
        padding: 20px 18px;
        margin: 10px;
    }
}

@media (max-width: 480px) {
    .stats-row {
        grid-template-columns: 1fr;
    }

    .topbar {
        padding: 0 12px;
    }

    .page-content {
        padding: 12px;
    }

    .card {
        padding: 14px 16px;
    }
}

/* ---------- 工具 ---------- */
.text-muted {
    color: var(--text-muted);
}
.text-center {
    text-align: center;
}
.mt-8 {
    margin-top: 8px;
}
.mb-8 {
    margin-bottom: 8px;
}
.flex {
    display: flex;
}
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.gap-8 {
    gap: 8px;
}
.gap-12 {
    gap: 12px;
}