/**
 * FABIQ 报价系统样式
 * Quote System Styles
 * Version 2.0
 */

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors */
    --primary-color: #1a2b4a;
    --primary-light: #2d4a7c;
    --primary-dark: #0f1a2e;
    
    /* Accent Colors */
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #60a5fa;
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    /* Neutral Colors */
    --bg-color: #f0f4f8;
    --bg-dark: #e2e8f0;
    --card-bg: #ffffff;
    --sidebar-bg: #1a2b4a;
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
    
    /* Border */
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px 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);
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    /* Spacing */
    --sidebar-width: 240px;
    --header-height: 64px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    outline: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* ===== Layout ===== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.sidebar-logo-img { height: 44px; width: auto; object-fit: contain; }

.sidebar-brand {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 24px;
}

.nav-section-title {
    padding: 0 20px;
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.4);
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
    cursor: pointer;
    gap: 12px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
}

.nav-item.active {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-light);
    border-right: 3px solid var(--accent-color);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.nav-item span {
    flex: 1;
}

.nav-badge {
    background: var(--accent-color);
    color: white;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

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

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
}

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

/* ===== Header ===== */
.main-header {
    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;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.mobile-menu-btn {
    display: none;
    padding: 8px;
    font-size: 20px;
    color: var(--text-secondary);
    background: transparent;
}

.page-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--accent-color);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

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

.header-btn {
    padding: 8px 12px;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    position: relative;
}

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

.notification-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--danger-color);
    border-radius: 50%;
}

.user-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-dropdown-btn:hover {
    background: var(--bg-dark);
}

.user-dropdown-btn img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

/* ===== Page Content ===== */
.page-content {
    flex: 1;
    padding: 24px;
}

/* ===== Cards ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

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

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
}

/* ===== Stats Cards ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
}

.stat-icon.green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.purple {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-trend {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
}

.stat-trend.up {
    color: var(--success-color);
}

.stat-trend.down {
    color: var(--danger-color);
}

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

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

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

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

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

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

.btn-secondary:hover {
    background: var(--bg-dark);
}

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

.btn-success:hover {
    background: #059669;
}

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

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-color);
    border-color: var(--text-muted);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

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

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-label.required::after {
    content: '*';
    color: var(--danger-color);
    margin-left: 4px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-bg);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

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

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

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-error {
    font-size: 12px;
    color: var(--danger-color);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.input-group-append {
    display: flex;
    align-items: center;
    padding: 0 14px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-size: 13px;
    color: var(--text-secondary);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* ===== Tables ===== */
.table-container {
    overflow-x: auto;
}

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

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

.table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: var(--bg-color);
}

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

.table tbody tr.selected {
    background: rgba(59, 130, 246, 0.05);
}

.table td.actions {
    white-space: nowrap;
}

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

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

.badge-draft {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-secondary);
}

.badge-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-approved {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-rejected {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-expired {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-muted);
}

/* ===== Tabs ===== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab-item {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.tab-item:hover {
    color: var(--text-primary);
}

.tab-item.active {
    color: var(--accent-color);
}

.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== Search & Filters ===== */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-input-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input-wrapper input {
    padding-left: 40px;
}

.filter-group {
    display: flex;
    gap: 8px;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination-btn {
    padding: 8px 12px;
    font-size: 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--bg-color);
    border-color: var(--text-muted);
}

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

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

.pagination-info {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: translateY(-20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1100px;
}

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

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    background: transparent;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: 20px;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 450px;
    transform: translateX(100%);
    opacity: 0;
    animation: slideIn 0.3s ease forwards;
}

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

.toast.hiding {
    animation: slideOut 0.3s ease forwards;
}

@keyframes slideOut {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.toast-warning .toast-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.toast-info .toast-icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.toast-message {
    font-size: 13px;
    color: var(--text-secondary);
}

.toast-close {
    padding: 4px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
}

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

/* ===== Loading ===== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2500;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-text {
    margin-top: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.empty-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.empty-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ===== Quote Builder ===== */
.quote-builder {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
}

.quote-main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.quote-step .card {
    margin-bottom: 20px;
}

.quote-step .card:last-child {
    margin-bottom: 0;
}

.quote-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    height: fit-content;
}

.quote-summary {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
}

.summary-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 16px;
    font-weight: 600;
}

.summary-body {
    padding: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}

.summary-row.total {
    border-top: 2px solid var(--border-color);
    margin-top: 12px;
    padding-top: 16px;
    font-size: 18px;
    font-weight: 700;
}

.summary-row.total .summary-value {
    color: var(--accent-color);
}

.summary-label {
    color: var(--text-secondary);
}

.summary-value {
    font-weight: 500;
}

.summary-actions {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ===== Stepper ===== */
.stepper {
    display: flex;
    margin-bottom: 24px;
}

.step {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--card-bg);
    position: relative;
}

.step:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.step:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.step::after {
    content: '';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    border: 12px solid transparent;
    border-left-color: var(--card-bg);
    z-index: 1;
}

.step:last-child::after {
    display: none;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    background: var(--bg-color);
    color: var(--text-secondary);
    flex-shrink: 0;
}

.step.active .step-number {
    background: var(--accent-color);
    color: white;
}

.step.completed .step-number {
    background: var(--success-color);
    color: white;
}

.step-content {
    flex: 1;
    min-width: 0;
}

.step-title {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

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

.step.active::after {
    border-left-color: var(--primary-color);
}

.step.active .step-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Upload Zone ===== */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px 20px;
    text-align: center;
    transition: var(--transition-fast);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.05);
}

.upload-icon {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.upload-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.upload-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

/* ===== Dashboard Grid ===== */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

.dashboard-full {
    grid-column: 1 / -1;
}

/* ===== Charts Placeholder ===== */
.chart-container {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    border-radius: var(--border-radius);
}

/* ===== Activity List ===== */
.activity-list {
    display: flex;
    flex-direction: column;
}

.activity-item {
    display: flex;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-text {
    font-size: 14px;
    line-height: 1.4;
}

.activity-text strong {
    font-weight: 600;
}

.activity-time {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .quote-builder {
        grid-template-columns: 1fr;
    }
    
    .quote-sidebar {
        position: static;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .stepper {
        flex-direction: column;
    }
    
    .step {
        border-radius: 0;
    }
    
    .step:first-child {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .step:last-child {
        border-radius: 0 0 var(--border-radius) var(--border-radius);
    }
    
    .step::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .search-bar {
        flex-direction: column;
    }
    
    .search-input-wrapper {
        min-width: 100%;
    }
    
    .filter-group {
        flex-wrap: wrap;
    }
    
    .modal {
        margin: 20px;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-content {
        padding: 16px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===== No Auth Banner ===== */
.no-auth-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #f59e0b;
    border-radius: var(--border-radius);
    padding: 12px 20px;
    margin: 0 24px 16px 24px;
    color: #92400e;
    font-size: 14px;
}

.no-auth-banner i {
    font-size: 18px;
    color: #f59e0b;
}

.no-auth-banner .btn {
    margin-left: auto;
    padding: 6px 16px;
    font-size: 13px;
}

/* ===== Print Styles ===== */
@media print {
    .sidebar,
    .main-header,
    .btn,
    .search-bar,
    .pagination,
    .no-auth-banner {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}