@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #e0e7ff;
    
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    
    --border-color: #e2e8f0;
    
    --radius: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', sans-serif !important;
    background-color: var(--bg-main) !important;
    color: var(--text-main);
    line-height: 1.6;
}

/* Base Headings & Labels */
h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: 'Inter', sans-serif !important;
    font-weight: 700;
    color: var(--text-main);
}
label {
    font-weight: 600 !important;
    color: #334155 !important;
    margin-bottom: 6px;
    font-size: 13px;
    letter-spacing: 0.01em;
}

/* Layout */
.content-wrapper {
    background-color: var(--bg-main) !important;
    margin: 0 !important;
    padding: 0 !important;
    min-height: auto !important;
}

.main-header .navbar, .main-header .logo {
    background-color: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(12px) !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--text-main) !important;
}

.main-sidebar {
    background-color: #ffffff !important;
    border-right: 1px solid var(--border-color) !important;
}

/* Sidebar Menu */
.sidebar-menu > li > a {
    color: var(--text-muted) !important;
    font-weight: 500 !important;
    padding: 12px 15px !important;
    margin: 4px 12px !important;
    border-radius: var(--radius) !important;
    transition: all 0.2s ease;
}

.sidebar-menu > li:hover > a {
    background-color: #f1f5f9 !important;
    color: var(--text-main) !important;
    transform: translateX(4px);
}

.sidebar-menu > li.active > a {
    background-color: var(--primary-light) !important;
    color: var(--primary) !important;
    font-weight: 600 !important;
}

.sidebar-menu > li.active > a i {
    color: var(--primary) !important;
}

/* Cards / Boxes (Legacy overrides) */
.box, .card, .premium-card, .stat-card-modern, .stat-card-premium {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow) !important;
    margin-bottom: 24px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.box-header {
    border-bottom: 1px solid var(--border-color) !important;
    padding: 20px 24px !important;
    background: transparent !important;
}

.box-title {
    font-weight: 700 !important;
    font-size: 18px !important;
    color: var(--text-main) !important;
}

.box-body {
    padding: 24px !important;
}

/* Forms & Inputs Overrides */
.form-control, input[type="text"], input[type="email"], input[type="password"], input[type="number"] {
    border-radius: var(--radius) !important;
    border: 1px solid var(--border-color) !important;
    padding: 10px 14px !important;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
    color: #1e293b;
    background-color: #f8fafc;
    transition: all 0.2s ease;
    height: auto !important;
}

.form-control:focus, input[type="text"]:focus, input[type="email"]:focus {
    border-color: var(--primary) !important;
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15) !important;
    outline: none !important;
}

/* Input Groups */
.input-group .form-control {
    border-radius: 0 var(--radius) var(--radius) 0 !important;
}

.input-group-addon {
    background-color: #f1f5f9 !important;
    border: 1px solid var(--border-color) !important;
    border-right: none !important;
    border-radius: var(--radius) 0 0 var(--radius) !important;
    color: var(--text-muted) !important;
    padding: 10px 14px !important;
    font-size: 14px;
    font-weight: 500;
}

.input-group .form-control:not(:first-child):not(:last-child) {
    border-radius: 0 !important;
}

/* Select2 Modernization */
.select2-container--default .select2-selection--single {
    background-color: #f8fafc !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius) !important;
    height: 42px !important;
    padding: 6px 12px !important;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: #1e293b !important;
    line-height: 28px !important;
    font-weight: 500;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 40px !important;
    right: 8px !important;
}

.select2-container--open .select2-selection--single {
    border-color: var(--primary) !important;
    background-color: #ffffff !important;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15) !important;
}

.select2-dropdown {
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-lg) !important;
    overflow: hidden;
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--primary) !important;
    color: white !important;
}

/* Buttons */
.btn {
    border-radius: var(--radius) !important;
    font-weight: 600 !important;
    box-shadow: var(--shadow-sm) !important;
    transition: all 0.2s ease;
    padding: 10px 20px !important;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #3730a3 100%) !important;
    border: none !important;
    color: #ffffff !important;
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3) !important;
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    border: none !important;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    border: none !important;
}

/* Modals */
.modal-content {
    border: none !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: var(--shadow-lg) !important;
    overflow: hidden;
}

.modal-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color) !important;
    padding: 20px 24px !important;
}

.modal-title {
    font-weight: 700;
    color: var(--text-main);
}

.modal-body {
    padding: 24px !important;
}

.modal-footer {
    border-top: 1px solid var(--border-color) !important;
    padding: 16px 24px !important;
    background-color: #f8fafc;
}

/* Tables & DataTables */
.table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    width: 100% !important;
}

.table th {
    background-color: #f8fafc !important;
    color: var(--text-muted) !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color) !important;
    border-top: none !important;
    padding: 14px 16px !important;
}

.table td {
    padding: 14px 16px !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-top: none !important;
    vertical-align: middle !important;
    color: #334155;
    font-size: 14px;
}

.table tbody tr {
    transition: background-color 0.15s ease;
}

.table tbody tr:hover td {
    background-color: #f1f5f9 !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 8px !important;
    border: 1px solid transparent !important;
    padding: 5px 12px !important;
    margin: 0 2px !important;
    background: transparent !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
    box-shadow: var(--shadow-sm);
}

.dataTables_wrapper .dataTables_filter input {
    border-radius: 20px !important;
    border: 1px solid var(--border-color) !important;
    padding: 6px 16px !important;
    outline: none !important;
}

.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1) !important;
}

/* Legacy POS Tabs Fix */
.nav-tabs-custom {
    box-shadow: var(--shadow) !important;
    border-radius: var(--radius-lg) !important;
    overflow: hidden;
}

.nav-tabs-custom > .nav-tabs {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

.nav-tabs-custom > .nav-tabs > li > a {
    font-weight: 600;
    color: var(--text-muted);
    border: none !important;
    padding: 15px 20px;
}

.nav-tabs-custom > .nav-tabs > li.active > a {
    color: var(--primary) !important;
    background-color: white !important;
    border-top: 3px solid var(--primary) !important;
}

/* Dashboard Specific Overrides */
.home-header { padding: 30px 20px 20px; }
.welcome-text { font-size: 24px; font-weight: 800; color: var(--text-main); margin-bottom: 4px; letter-spacing: -0.02em; }
.welcome-sub { color: var(--text-muted); font-size: 15px; }
.stat-icon-premium { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.dashboard-section-title { font-size: 14px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; margin-bottom: 20px; border-bottom: 1px solid var(--border-color); padding-bottom: 10px; letter-spacing: 0.05em; }