/* Base Variables */
:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: rgba(37, 99, 235, 0.1);
    --secondary-color: #64748b;
    --background-color: #f1f5f9;
    --surface-color: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-premium: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    height: 100vh;
    overflow: hidden;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    color: var(--primary-color);
}

.logo-area {
    font-size: 1.25rem;
}

.logo-area h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-item:hover {
    background-color: #f1f5f9;
    color: var(--primary-color);
}

.nav-item.active {
    background-color: #eff6ff;
    color: var(--primary-color);
}

.nav-item i {
    font-size: 1.25rem;
}

.sidebar-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--background-color);
}

.top-bar {
    height: 64px;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.views-container {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

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

/* Dashboard Stats */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    padding: 1.75rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-premium);
}

.icon-box {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    transition: transform 0.3s ease;
}

.stat-card:hover .icon-box {
    transform: scale(1.1) rotate(5deg);
}

.icon-box.blue { background-color: #eff6ff; color: #3b82f6; }
.icon-box.green { background-color: #f0fdf4; color: #10b981; }
.icon-box.orange { background-color: #fffaf0; color: #f59e0b; }
.icon-box.purple { background-color: #f5f3ff; color: #8b5cf6; }
.icon-box.red { background-color: #fef2f2; color: #ef4444; }

.stat-info h3 {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.075em;
    margin-bottom: 0.5rem;
}

.stat-info p {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

/* Cards & Components */
.card {
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

/* Tables */
.table-card {
    overflow: hidden;
}

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

.data-table th, .data-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: #fcfdfe;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tr:hover {
    background-color: #f8fafc;
}

/* Charts Layout */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.chart-container {
    padding: 1.5rem;
    height: 350px;
    position: relative;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-size: 0.875rem;
}

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

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

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

.btn-secondary:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

.btn-icon {
    padding: 0.4rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.btn-dashed {
    background-color: transparent;
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    width: 100%;
}

.btn-dashed:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: #eff6ff;
}

/* Forms */
.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.form-title-text {
    font-size: 1.25rem;
    font-weight: 600;
    margin-left: 1rem;
}

.form-card {
    padding: 2rem;
}

.form-section {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.form-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.col-grow {
    flex-grow: 2;
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input, select, textarea {
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: white;
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.select-wrapper {
    display: flex;
    gap: 0.5rem;
}

.select-wrapper select {
    flex: 1;
}

/* Quotation Items Table */
.items-table-container {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 1rem;
}

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

.items-table th, .items-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.items-table th {
    background-color: #f8fafc;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.items-table input {
    width: 100%;
    border: 1px solid transparent;
    padding: 0.4rem;
    background: transparent;
}

.items-table input:focus {
    border-color: var(--primary-color);
    background: white;
}

.items-table input:hover {
    background: #f8fafc;
}

/* Autocomplete/Suggestions */
.autocomplete-suggestions {
    position: absolute;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    max-height: 200px;
    overflow-y: auto;
    width: 100%;
}

.suggestion-item {
    padding: 0.5rem 1rem;
    cursor: pointer;
}

.suggestion-item:hover {
    background-color: #f1f5f9;
}

/* Totals */
.totals-section {
    display: flex;
    justify-content: flex-end;
}

.totals-wrapper {
    width: 350px;
    background-color: #f8fafc;
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.875rem;
}

.input-row {
    align-items: center;
}

.input-row input {
    width: 80px;
    padding: 0.25rem;
    text-align: right;
}

.grand-total {
    border-top: 2px solid var(--border-color);
    margin-top: 0.5rem;
    padding-top: 1rem;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--primary-color);
}

.amount-words {
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-style: italic;
    background: #e2e8f0;
    padding: 0.5rem;
    border-radius: 4px;
}

/* Settings */
.settings-group {
    background: white;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-md);
}

.settings-group h5 {
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.upload-area {
    border: 2px dashed var(--border-color);
    padding: 2rem;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.upload-area:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: #eff6ff;
}

.img-preview {
    margin-top: 1rem;
    max-width: 100%;
    border: 1px solid var(--border-color);
    padding: 10px;
    background: #f8fafc;
}

.img-preview img {
    max-width: 100%;
    max-height: 100px;
    display: block;
}

textarea {
    width: 100%;
    resize: vertical;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(2px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-lg);
    width: 500px;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    animation: modalSlide 0.3s ease;
}

.modal-content.large {
    width: 900px;
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.close-modal {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* Helpers */
.hidden {
    display: none !important;
}

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

.status-badge {
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.status-draft { background-color: #f1f5f9; color: #475569; }
.status-finalized { background-color: #dcfce7; color: #166534; }

.user-profile {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success-color);
}

.full-width {
    width: 100%;
}

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

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

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

.btn-icon.btn-danger:hover {
    background-color: #fee2e2;
    border-color: #fecaca;
}

/* Finance Tabs */
.finance-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0;
}

.finance-tab {
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
    margin-bottom: -2px;
}

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

.finance-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.finance-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

.status-unpaid { background-color: #fee2e2; color: #ef4444; }
.status-partial { background-color: #fff7ed; color: #f59e0b; }
.status-paid { background-color: #ecfdf5; color: #10b981; }

/* Responsive & Layout Fixes */

/* Table Scrolling */
.table-card {
    overflow-x: auto; /* Enable horizontal scroll */
    -webkit-overflow-scrolling: touch;
}

.data-table {
    min-width: 600px; /* Ensure table has minimum width to trigger scroll */
}

/* Mobile Menu Button - Hidden by default */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
}

.mobile-close-btn {
    display: none;
    margin-left: auto; /* Push to right */
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 998;
    backdrop-filter: blur(2px);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        left: -280px; /* Hide off-screen */
        top: 0;
        height: 100%;
        z-index: 999;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
    }
    
    .sidebar.active {
        left: 0;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-close-btn {
        display: block;
    }

    .views-container {
        padding: 1rem; /* Reduce padding */
    }
    
    .top-bar {
        padding: 0 1rem; /* Reduce padding */
    }

    .stats-cards {
        grid-template-columns: 1fr; /* Stack cards */
    }
    
    .form-row {
        flex-direction: column; /* Stack form inputs */
        gap: 1rem;
    }
    
    .totals-wrapper {
        width: 100%; /* Full width totals */
    }
    
    /* Ensure modal fits on mobile */
    .modal-content, .modal-content.large {
        width: 95%;
        margin: 1rem;
        max-height: 90vh; /* Ensure modal fits in viewport */
        display: flex;
        flex-direction: column;
    }
    
    .status-badge {
         white-space: nowrap;
    }
    
    /* Fix "empty space" if it was due to flex issues */
    /* Fix "empty space" if it was due to flex issues */
    body {
        height: auto;
        overflow: auto;
    }

    .app-container {
        height: auto;
        min-height: 100vh;
    }

    .main-content {
        height: auto;
        min-height: 100vh;
        overflow: visible;
    }
    
    .views-container {
        padding: 1rem;
        overflow: visible;
        flex: none; /* Don't restrict height */
    }
}

/* Ensure Import Modal is on top of FBR Form Modal */
#fbr-import-modal {
    z-index: 1050; /* Higher than default 1000 */
}
/* --- Searchable HS Picker (Premium UI) --- */
.autocomplete-dropdown {
    position: absolute;
    background: white !important;
    border: 1px solid var(--border-color);
    z-index: 11000; /* Ensure it's above all modal elements */
    overflow-y: auto;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    margin-top: 4px;
}

.hs-picker-dropdown {
    width: 450px !important; /* Sufficient width for long descriptions */
    max-height: 280px;
    border: 1px solid #e2e8f0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) #f1f5f9;
}

/* Custom Scrollbar for Chrome/Safari */
.hs-picker-dropdown::-webkit-scrollbar {
    width: 6px;
}
.hs-picker-dropdown::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 8px;
}
.hs-picker-dropdown::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 8px;
}
.hs-picker-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.hs-picker-item {
    padding: 12px 16px !important;
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid #f1f5f9;
}

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

.hs-code-value {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 14px;
}

.hs-code-desc {
    font-size: 11.5px;
    line-height: 1.5;
    color: #64748b;
    white-space: normal; /* Allow wrapping */
    word-break: break-word;
}

.hs-picker-item:hover {
    background-color: #f8fafc !important;
}

.hs-picker-item:hover .hs-code-value {
    color: var(--secondary-color);
}