/* Google Fonts: Noto Sans Lao */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Lao:wght@100..900&display=swap');

:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --secondary-color: #64748B;
    --success-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --light-color: #F8FAFC;
    --dark-color: #1E293B;
    --border-radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Noto Sans Lao', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.d-flex {
    display: flex;
}

.flex-column {
    flex-direction: column;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

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

.gap-2 {
    gap: 0.5rem;
}

.gap-3 {
    gap: 1rem;
}

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

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

.grid-cols-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-cols-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-cols-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Responsive Grid */
@media (max-width: 768px) {

    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .hide-on-mobile {
        display: none !important;
    }
}

/* Navbar - Modern Design */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(79, 70, 229, 0.1);
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    margin-left: 1.5rem;
    font-weight: 600;
    transition: all 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: rgba(79, 70, 229, 0.1);
}

/* Cards - Enhanced */
.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    transition: all 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

/* Dashboard Cards */
.dashboard-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.dashboard-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.dashboard-card p {
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Forms - Modern */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

input,
select,
textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #E2E8F0;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s;
    background: white;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

/* Buttons - Enhanced */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn:active {
    transform: translateY(0);
}

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

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

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

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

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1.125rem 2rem;
    font-size: 1.125rem;
}

/* Alerts - Modern */
.alert {
    padding: 1.25rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    font-weight: 500;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border-color: var(--success-color);
}

.alert-danger {
    background-color: #FEE2E2;
    color: #991B1B;
    border-color: var(--danger-color);
}

/* Tables - Enhanced */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th,
td {
    padding: 1rem;
    text-align: left;
}

th {
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
    font-weight: 700;
    color: var(--dark-color);
    border-bottom: 2px solid #E2E8F0;
}

tr {
    border-bottom: 1px solid #F1F5F9;
    transition: all 0.2s;
}

tr:hover {
    background-color: #F8FAFC;
    transform: scale(1.01);
}

/* POS Specific - Enhanced */
.pos-layout {
    display: flex;
    gap: 2rem;
    height: calc(100vh - 120px);
}

.product-grid {
    flex: 2;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    padding-right: 0.5rem;
}

.cart-panel {
    flex: 1;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.cart-summary {
    padding: 1.5rem;
    border-top: 2px solid #F1F5F9;
    background: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.product-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
}

.product-card-body {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.price-tag {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.25rem;
}

/* Mobile POS Adjustments */
@media (max-width: 768px) {
    .pos-layout {
        flex-direction: column;
        height: auto;
    }

    .product-grid {
        flex: none;
        height: 50vh;
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .cart-panel {
        height: 45vh;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #F1F5F9;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Loading Animation */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}