@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #e11d48;
    --primary-hover: #be123c;
    --primary-light: rgba(225, 29, 72, 0.1);
    
    --bg-dark: #0f172a;
    --bg-dark-hover: #1e293b;
    --bg-light: #f8fafc;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-white: #ffffff;
    
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    
    --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-light);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-dark);
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    box-shadow: 0 4px 10px rgba(225, 29, 72, 0.3);
}

.logo-text {
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 0.5px;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
}

.menu-item a:hover {
    background-color: var(--bg-dark-hover);
    color: var(--text-white);
}

.menu-item.active a {
    background-color: var(--primary);
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 12px;
    color: #64748b;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Main Content */
.main-wrapper {
    margin-left: 260px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: calc(100% - 260px);
}

/* Topbar */
.topbar {
    height: 70px;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: var(--shadow-sm);
}

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

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

/* Main Container */
.content-body {
    padding: 32px;
    flex-grow: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(225, 29, 72, 0.2);
}

.btn-secondary {
    background-color: #f1f5f9;
    color: #334155;
    border-color: #cbd5e1;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

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

.btn-success:hover {
    background-color: #059669;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.2);
}

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

/* KPI Dashboard Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.kpi-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.kpi-info h4 {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.kpi-info .kpi-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.kpi-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.kpi-card.sales .kpi-icon-wrapper {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.kpi-card.purchases .kpi-icon-wrapper {
    background-color: rgba(168, 85, 247, 0.1);
    color: #a855f7;
}

.kpi-card.receivables .kpi-icon-wrapper {
    background-color: var(--success-light);
    color: var(--success);
}

.kpi-card.payables .kpi-icon-wrapper {
    background-color: var(--danger-light);
    color: var(--danger);
}

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

.page-title h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.page-title p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Panels and Tables */
.panel {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    overflow: hidden;
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fafbfc;
}

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

.panel-body {
    padding: 24px;
}

.search-bar-wrapper {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.search-input {
    flex-grow: 1;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s ease;
}

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

.select-input {
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: white;
    font-size: 14px;
    min-width: 150px;
}

.select-input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Table styling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

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

.table th {
    background-color: #f1f5f9;
    color: #475569;
    font-weight: 600;
    font-size: 13px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: #334155;
    vertical-align: middle;
}

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

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background-color: var(--success-light);
    color: #065f46;
}

.badge-danger {
    background-color: var(--danger-light);
    color: #991b1b;
}

.badge-warning {
    background-color: var(--warning-light);
    color: #92400e;
}

.badge-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: #1e40af;
}

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-content.modal-lg {
    max-width: 900px;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f8fafc;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-body {
    padding: 24px;
    max-height: 75vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background-color: #f8fafc;
}

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s ease;
    color: var(--text-main);
}

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

.form-control:disabled {
    background-color: #f1f5f9;
    cursor: not-allowed;
}

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

/* Invoice Builder Specific styles */
.invoice-builder-table th {
    background-color: #f8fafc;
}

.invoice-totals {
    display: flex;
    justify-content: flex-end;
    margin-top: 24px;
}

.totals-box {
    width: 320px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    background-color: #fafbfc;
}

.totals-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-muted);
}

.totals-row.grand-total {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

/* Party Ledger Drawer layout */
.ledger-split {
    display: flex;
    gap: 32px;
}

.ledger-party-info {
    width: 300px;
    flex-shrink: 0;
    background-color: #fafbfc;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    align-self: flex-start;
}

.ledger-history {
    flex-grow: 1;
}

.info-item {
    margin-bottom: 16px;
}

.info-item label {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.info-item p {
    font-size: 14px;
    font-weight: 500;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* GST Printable Invoice View */
.invoice-print-container {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    max-width: 800px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.print-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid var(--text-main);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.print-party-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.print-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    background-color: #f8fafc;
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.print-footer {
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
}

/* Chart Canvas wrapper */
.chart-container {
    height: 300px;
    position: relative;
    width: 100%;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 100%;
    padding-top: 20px;
}

.chart-bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
    height: 100%;
    justify-content: flex-end;
}

.chart-bar-item {
    width: 24px;
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease;
    cursor: pointer;
    position: relative;
}

.chart-bar-item:hover .chart-tooltip {
    opacity: 1;
    visibility: visible;
}

.chart-bar-item.sales-bar {
    background-color: var(--info);
}

.chart-bar-item.purchases-bar {
    background-color: #a855f7;
}

.chart-tooltip {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--bg-dark);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.chart-label {
    margin-top: 8px;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}