/**
 * VectorVest组件样式
 * 提供按钮、表单、卡片、表格、导航栏、侧边栏等组件样式
 *
 * @version 1.0.0
 */

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    user-select: none;
    white-space: nowrap;
}

.btn:focus {
    outline: 2px solid var(--primary-start);
    outline-offset: 2px;
}

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

/* 按钮尺寸 */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--text-base);
}

/* 按钮变体 */
.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.2);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-tertiary);
}

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

.btn-success:hover:not(:disabled) {
    background-color: var(--success-dark);
}

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

.btn-warning:hover:not(:disabled) {
    background-color: var(--warning-dark);
}

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

.btn-error:hover:not(:disabled) {
    background-color: var(--error-dark);
}

/* 幽灵按钮 */
.btn-ghost {
    background-color: transparent;
    color: var(--text-primary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--bg-hover);
}

/* 链接按钮 */
.btn-link {
    background-color: transparent;
    color: var(--primary-start);
    border: none;
    padding: 0;
}

.btn-link:hover:not(:disabled) {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 块级按钮 */
.btn-block {
    display: flex;
    width: 100%;
}

/* ==================== 表单样式 ==================== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.form-label.required::after {
    content: " *";
    color: var(--error);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-start);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control:disabled {
    background-color: var(--bg-secondary);
    color: var(--text-disabled);
    cursor: not-allowed;
}

.form-control.is-invalid {
    border-color: var(--error);
}

.form-control.is-valid {
    border-color: var(--success);
}

/* 表单尺寸 */
.form-control-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--text-xs);
}

.form-control-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--text-base);
}

/* 文本域 */
textarea.form-control {
    min-height: 80px;
    resize: vertical;
}

/* 选择框 */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: var(--spacing-2xl);
}

/* 复选框和单选框 */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-check-input {
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
}

.form-check-label {
    font-size: var(--text-sm);
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

/* 表单帮助文本 */
.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

/* 表单验证消息 */
.invalid-feedback {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--text-xs);
    color: var(--error);
}

.valid-feedback {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--text-xs);
    color: var(--success);
}

/* ==================== 卡片样式 ==================== */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-primary);
    background-color: var(--bg-secondary);
}

.card-title {
    margin: 0;
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-primary);
    background-color: var(--bg-secondary);
}

/* 卡片变体 */
.card-hoverable:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    transition: all var(--transition-fast);
}

.card-bordered {
    border: 2px solid var(--border-primary);
}

/* ==================== 表格样式 ==================== */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-primary);
}

.table thead {
    background-color: var(--bg-secondary);
}

.table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-primary);
}

.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-primary);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--bg-hover);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* 表格变体 */
.table-striped tbody tr:nth-child(odd) {
    background-color: var(--bg-secondary);
}

.table-bordered {
    border: 1px solid var(--border-primary);
}

.table-bordered th,
.table-bordered td {
    border: 1px solid var(--border-primary);
}

.table-sm th,
.table-sm td {
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* ==================== 导航栏样式 ==================== */
.navbar {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 var(--spacing-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.navbar-brand-text {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航菜单 */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.navbar-nav {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-sm);
}

.navbar-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.navbar-nav-link.active {
    color: var(--primary-start);
    background-color: rgba(102, 126, 234, 0.1);
}

/* 移动端菜单按钮 */
.navbar-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-xs);
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-mobile-toggle .hamburger {
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* 用户菜单 */
.navbar-user {
    position: relative;
}

.navbar-user-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.navbar-user-toggle:hover {
    background-color: var(--bg-hover);
}

.navbar-user-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.navbar-user-menu {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    right: 0;
    min-width: 200px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

.navbar-user-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-user-info {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.navbar-user-info-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.navbar-user-info-role {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-top: 2px;
}

.navbar-user-actions {
    list-style: none;
    padding: var(--spacing-xs);
}

.navbar-user-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.navbar-user-action:hover {
    background-color: var(--bg-hover);
}

.navbar-logout {
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

/* ==================== 侧边栏样式 ==================== */
.sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    width: 250px;
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border-primary);
    transition: width var(--transition-normal), transform var(--transition-normal);
    z-index: var(--z-fixed);
    overflow-y: auto;
}

.sidebar.collapsed {
    width: 64px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    padding: 0 var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sidebar-brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: white;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
}

.sidebar-brand-text {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-brand-text {
    display: none;
}

.sidebar-toggle {
    padding: var(--spacing-xs);
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar.collapsed .sidebar-toggle {
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: white;
    border: 1px solid var(--border-primary, #e2e8f0);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    z-index: 10;
}

.sidebar.collapsed .sidebar-toggle svg {
    transform: rotate(180deg);
}

/* 侧边栏菜单 */
.sidebar-nav {
    padding: var(--spacing-md);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu-item {
    margin-bottom: var(--spacing-xs);
}

.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    user-select: none;
}

.sidebar-menu-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.sidebar-menu-link.active,
.sidebar-menu-item.active > .sidebar-menu-link {
    color: #fff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-weight: 600;
}

.sidebar.collapsed .sidebar-menu-text,
.sidebar.collapsed .sidebar-menu-arrow {
    display: none;
}

/* 子菜单 */
.sidebar-submenu {
    max-height: 0;
    overflow: hidden;
    padding-left: var(--spacing-md);
    transition: max-height var(--transition-normal);
}

.sidebar-submenu.expanded {
    max-height: 500px;
}

.sidebar.collapsed .sidebar-submenu {
    display: none;
}

/* ==================== 通知样式 ==================== */
.notification-container {
    position: fixed;
    z-index: var(--z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.notification-container-top-right {
    top: var(--spacing-lg);
    right: var(--spacing-lg);
}

.notification-container-top-left {
    top: var(--spacing-lg);
    left: var(--spacing-lg);
}

.notification-container-bottom-right {
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
}

.notification-container-bottom-left {
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
}

.notification {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    min-width: 300px;
    max-width: 400px;
    padding: var(--spacing-md);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: all;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-normal);
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification.hide {
    opacity: 0;
    transform: translateX(100%);
}

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

.notification-content {
    flex: 1;
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.notification-close {
    flex-shrink: 0;
    padding: 2px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.notification-close:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* 通知类型 */
.notification-success {
    border-left: 4px solid var(--success);
}

.notification-success .notification-icon {
    color: var(--success);
}

.notification-error {
    border-left: 4px solid var(--error);
}

.notification-error .notification-icon {
    color: var(--error);
}

.notification-warning {
    border-left: 4px solid var(--warning);
}

.notification-warning .notification-icon {
    color: var(--warning);
}

.notification-info {
    border-left: 4px solid var(--info);
}

.notification-info .notification-icon {
    color: var(--info);
}

/* ==================== 响应式调整 ==================== */
@media (max-width: 767.98px) {
    .navbar-mobile-toggle {
        display: flex;
    }

    .navbar-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md);
        background-color: var(--bg-primary);
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        overflow-y: auto;
    }

    .navbar-menu.show {
        transform: translateX(0);
    }

    .navbar-nav {
        flex-direction: column;
        width: 100%;
    }

    .navbar-nav-link {
        width: 100%;
        justify-content: flex-start;
    }

    .navbar-user {
        width: 100%;
        margin-top: var(--spacing-lg);
    }

    .navbar-user-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-top: 1px solid var(--border-primary);
    }

    .sidebar {
        transform: translateX(-100%);
    }

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

@media (min-width: 768px) {
    .sidebar {
        transform: translateX(0);
    }
}

/* ==================== 加载状态 ==================== */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-primary);
    border-top-color: var(--primary-start);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state .loading-text {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ==================== 空状态 ==================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
}

.empty-state-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    color: var(--text-disabled);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.empty-state-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ========== 命令面板 ========== */
#cmdPaletteOverlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    justify-content: center;
    padding-top: 15vh;
}
#cmdPalette {
    width: 520px;
    max-height: 440px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
#cmdPaletteHeader {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
    color: #6b7280;
}
#cmdPaletteHeader kbd {
    font-family: inherit;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    color: #9ca3af;
    flex-shrink: 0;
}
#cmdPaletteInput {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    background: transparent;
    color: #1f2937;
}
#cmdPaletteInput::placeholder { color: #9ca3af; }
#cmdPaletteList {
    list-style: none;
    margin: 0;
    padding: 6px;
    overflow-y: auto;
    max-height: 360px;
}
#cmdPaletteList li {
    padding: 9px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #374151;
    transition: background 0.1s;
}
#cmdPaletteList li:hover,
#cmdPaletteList li.selected {
    background: #667eea;
    color: #fff;
}
#cmdPaletteList li.selected mark,
#cmdPaletteList li:hover mark {
    background: rgba(255,255,255,0.3);
    color: #fff;
}
#cmdPaletteList li mark {
    background: #e0e7ff;
    color: #4338ca;
    border-radius: 2px;
    padding: 0 1px;
    font-weight: 600;
}