/* SmartBill - GST Compliant Billing Portal
 * Main Stylesheet
 */

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

/* ===== VARIABLES ===== */
:root {
    /* Primary Colors */
    --primary: #4e73df;
    --primary-dark: #3a56b0;
    --primary-light: #7e97f4;
    
    /* Secondary Colors */
    --secondary: #1cc88a;
    --secondary-dark: #169a6c;
    --secondary-light: #3ddfa8;
    
    /* Accent Colors */
    --accent: #f6c23e;
    --accent-dark: #dfa920;
    --accent-light: #f8d16e;
    
    /* Neutral Colors */
    --dark: #5a5c69;
    --darker: #343a40;
    --light: #f8f9fc;
    --lighter: #ffffff;
    
    /* Alert Colors */
    --success: #1cc88a;
    --info: #36b9cc;
    --warning: #f6c23e;
    --danger: #e74a3b;
    
    /* Typography */
    --font-primary: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 0.2rem;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    
    /* Box Shadow */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-ease: ease-in-out;
}

/* ===== GENERAL STYLES ===== */

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

body {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 600;
    color: var(--darker);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease);
}

a:hover {
    color: var(--primary-dark);
}

.btn {
    font-weight: 600;
    padding: 0.375rem 1rem;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-speed) var(--transition-ease);
}

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

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

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

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

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

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

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

.card {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    background-color: var(--lighter);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--spacing-md) var(--spacing-lg);
}

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

.form-control {
    border-radius: var(--border-radius-md);
    padding: 0.375rem 0.75rem;
    border: 1px solid #d1d3e2;
    font-size: 0.875rem;
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 0.25rem rgba(78, 115, 223, 0.25);
}

.input-group-text {
    background-color: var(--light);
    border: 1px solid #d1d3e2;
}

.table {
    color: var(--dark);
}

.table thead th {
    background-color: var(--light);
    border-bottom: 2px solid #e3e6f0;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge {
    font-weight: 600;
    padding: 0.35em 0.65em;
    border-radius: var(--border-radius-sm);
}

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--lighter);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* ===== LAYOUT ===== */
.main-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
    position: relative;
}

.page-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-left: 250px; /* Sidebar width */
    transition: padding-left var(--transition-speed) var(--transition-ease);
}

.page-wrapper.expanded {
    padding-left: 70px; /* Collapsed sidebar width */
}

.content {
    flex: 1;
    padding: 80px var(--spacing-lg) var(--spacing-lg); /* Top padding for navbar */
    background-color: var(--light);
}

.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.breadcrumb {
    margin-bottom: 0;
    font-size: 0.8rem;
}

/* ===== NAVBAR ===== */
.navbar {
    padding: 0.5rem var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    z-index: 1030;
}

.navbar-brand img {
    max-height: 30px;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 1);
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 250px;
    height: 100%;
    background-color: var(--darker);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1020;
    transition: width var(--transition-speed) var(--transition-ease);
    box-shadow: var(--shadow-md);
    padding-top: 70px; /* Space for navbar */
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-header {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu > li {
    margin-bottom: 2px;
}

.sidebar-menu > li > a {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-speed) var(--transition-ease);
}

.sidebar-menu > li > a:hover,
.sidebar-menu > li.active > a {
    color: var(--lighter);
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar-menu > li > a > i {
    margin-right: var(--spacing-sm);
    width: 20px;
    text-align: center;
}

.sidebar-dropdown {
    list-style: none;
    padding-left: 2.5rem;
    margin-top: 2px;
    display: none;
}

.sidebar-dropdown > li > a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    transition: all var(--transition-speed) var(--transition-ease);
}

.sidebar-dropdown > li > a:hover,
.sidebar-dropdown > li.active > a {
    color: var(--lighter);
}

.sidebar-menu > li.open .sidebar-dropdown {
    display: block;
}

.has-dropdown::after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-left: auto;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.sidebar-menu > li.open > a.has-dropdown::after {
    transform: rotate(180deg);
}

/* Collapsed sidebar styles */
.sidebar.collapsed .sidebar-header h5,
.sidebar.collapsed .sidebar-menu > li > a > span,
.sidebar.collapsed .sidebar-menu > li > a::after {
    display: none;
}

.sidebar.collapsed .sidebar-menu > li > a {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar.collapsed .sidebar-menu > li > a > i {
    margin-right: 0;
    font-size: 1.2rem;
}

.sidebar.collapsed .sidebar-dropdown {
    position: absolute;
    left: 70px;
    top: 0;
    width: 180px;
    background-color: var(--darker);
    padding: var(--spacing-sm);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    box-shadow: var(--shadow-md);
    display: none;
}

.sidebar.collapsed .sidebar-menu > li:hover .sidebar-dropdown {
    display: block;
}

/* ===== SIDEBAR WRAPPER ===== */
.sidebar-wrapper {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.sidebar-logo {
    padding: var(--spacing-md);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo img {
    max-height: 40px;
}

.sidebar-user {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-img {
    width: 40px;
    height: 40px;
    margin-right: var(--spacing-sm);
}

.user-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-initial {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.user-info {
    flex: 1;
}

.user-name {
    color: var(--lighter);
    margin-bottom: 0;
    font-size: 0.9rem;
}

.user-role {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    margin-bottom: 0;
}

.menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
}

.menu-item {
    margin-bottom: 2px;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-speed) var(--transition-ease);
    position: relative;
}

.menu-link:hover,
.menu-item.active > .menu-link {
    color: var(--lighter);
    background-color: rgba(255, 255, 255, 0.1);
}

.menu-icon {
    margin-right: var(--spacing-sm);
    width: 20px;
    text-align: center;
}

.menu-text {
    flex: 1;
}

.dropdown-icon {
    font-size: 0.7rem;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.menu-item.active > .menu-link .dropdown-icon {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    padding-left: 2.5rem;
    margin-top: 2px;
    display: none;
}

.menu-item.active > .submenu {
    display: block;
}

.submenu-link {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    transition: all var(--transition-speed) var(--transition-ease);
}

.submenu-link:hover,
.submenu-item.active > .submenu-link {
    color: var(--lighter);
}

/* ===== AUTH PAGES ===== */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--light);
    padding: var(--spacing-md);
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background-color: var(--lighter);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

/* ===== DASHBOARD ===== */
.stats-card {
    border-left: 4px solid;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.stats-card:hover {
    transform: translateY(-5px);
}

.stats-card.primary {
    border-left-color: var(--primary);
}

.stats-card.success {
    border-left-color: var(--success);
}

.stats-card.warning {
    border-left-color: var(--warning);
}

.stats-card.danger {
    border-left-color: var(--danger);
}

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

.stats-card .stats-icon {
    font-size: 2rem;
    opacity: 0.3;
}

.stats-card .stats-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.stats-card .stats-amount {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
}

.stats-card .stats-compare {
    font-size: 0.75rem;
    margin-bottom: 0;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 991.98px) {
    .sidebar {
        left: -250px;
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .page-wrapper {
        padding-left: 0;
    }
    
    .page-wrapper.expanded {
        padding-left: 0;
    }
    
    .content {
        padding: 80px var(--spacing-md) var(--spacing-md);
    }
}

@media (max-width: 767.98px) {
    .auth-card {
        padding: var(--spacing-lg);
    }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .page-header .col-auto {
        margin-top: var(--spacing-sm);
    }
}

/* ===== UTILITIES ===== */
.border-left-primary {
    border-left: 4px solid var(--primary);
}

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

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

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

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

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--secondary-dark) 100%);
}

.bg-gradient-info {
    background: linear-gradient(135deg, var(--info) 0%, #2a92a9 100%);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--warning) 0%, var(--accent-dark) 100%);
}

.bg-gradient-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #c0392b 100%);
}

.text-xs {
    font-size: 0.7rem;
}

.text-sm {
    font-size: 0.8rem;
}

.text-md {
    font-size: 1rem;
}

.text-lg {
    font-size: 1.2rem;
}

.text-xl {
    font-size: 1.5rem;
}

.font-weight-bold {
    font-weight: 700 !important;
}

.rotate-15 {
    transform: rotate(15deg);
}

.rotate-n15 {
    transform: rotate(-15deg);
}

/* ===== CUSTOM COMPONENTS ===== */

/* Invoice Styles */
.invoice-header {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid #e3e6f0;
    margin-bottom: var(--spacing-lg);
}

.invoice-logo {
    max-height: 60px;
}

.invoice-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.invoice-details {
    margin-bottom: var(--spacing-lg);
}

.invoice-details-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.invoice-table th {
    background-color: var(--light);
}

.invoice-total {
    font-size: 1.2rem;
    font-weight: 700;
}

/* POS Styles */
.pos-container {
    display: flex;
    height: calc(100vh - 140px);
    overflow: hidden;
}

.pos-products {
    flex: 1;
    overflow-y: auto;
    padding-right: var(--spacing-md);
}

.pos-cart {
    width: 400px;
    background-color: var(--lighter);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
}

.pos-cart-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid #e3e6f0;
}

.pos-cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.pos-cart-item {
    display: flex;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid #e3e6f0;
}

.pos-cart-item-details {
    flex: 1;
}

.pos-cart-item-name {
    font-weight: 600;
    margin-bottom: 0;
}

.pos-cart-item-price {
    font-size: 0.8rem;
    color: var(--dark);
}

.pos-cart-item-actions {
    display: flex;
    align-items: center;
}

.pos-cart-item-quantity {
    width: 40px;
    text-align: center;
    margin: 0 var(--spacing-xs);
}

.pos-cart-footer {
    padding: var(--spacing-md);
    border-top: 1px solid #e3e6f0;
}

.pos-product-card {
    cursor: pointer;
    transition: transform var(--transition-speed) var(--transition-ease), box-shadow var(--transition-speed) var(--transition-ease);
}

.pos-product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.pos-product-image {
    height: 120px;
    object-fit: contain;
    padding: var(--spacing-sm);
}

/* GST Report Styles */
.gst-summary-card {
    background-color: var(--lighter);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.gst-summary-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.gst-summary-amount {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0;
}

.gst-filter-card {
    background-color: var(--lighter);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* Client Portal Styles */
.client-dashboard-card {
    height: 100%;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.client-dashboard-card:hover {
    transform: translateY(-5px);
}

.client-dashboard-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
}

.client-dashboard-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.client-dashboard-description {
    font-size: 0.85rem;
    color: var(--dark);
    margin-bottom: 0;
}