/* Modern POS System UI - Main Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
    /* Primary Colors */
    --primary-color: #3f51b5;
    --primary-light: #757de8;
    --primary-dark: #002984;
    
    /* Secondary Colors */
    --secondary-color: #ff4081;
    --secondary-light: #ff79b0;
    --secondary-dark: #c60055;
    
    /* Neutral Colors */
    --background-color: #f9fafb;
    --card-color: #ffffff;
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-light: #f5f5f5;
    --border-color: #e0e0e0;
    
    /* Status Colors */
    --success-color: #4caf50;
    --success-light: #80e27e;
    --warning-color: #ff9800;
    --warning-light: #ffc947;
    --danger-color: #f44336;
    --danger-light: #ff7961;
    --info-color: #2196f3;
    --info-light: #6ec6ff;
    
    /* Dimensions */
    --border-radius: 8px;
    --card-box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    --transition-speed: 0.3s;
}

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

body {
    font-family: 'Prompt', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5em;
    color: var(--text-primary);
}

h1 {
    font-size: 2.25rem;
}

h2 {
    font-size: 1.85rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

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

/* Header */
header {
    padding: 30px 0;
    text-align: center;
}

header h1 {
    margin-bottom: 0.3em;
    color: var(--primary-color);
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    padding: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    padding: 15px 0;
    text-decoration: none;
}

.navbar-brand i {
    margin-right: 8px;
}

.navbar-menu {
    display: flex;
    list-style: none;
}

.navbar-menu li {
    position: relative;
}

.navbar-menu a {
    display: block;
    padding: 20px 15px;
    color: var(--text-light);
    text-decoration: none;
    transition: all var(--transition-speed) ease;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    background-color: var(--primary-dark);
}

.navbar-menu a i {
    margin-right: 6px;
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    color: var(--text-light);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 15px;
}

/* Card Styles */
.card {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-box-shadow);
    margin-bottom: 25px;
    overflow: hidden;
}

.card-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    margin-bottom: 0;
    font-size: 1.4rem;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    background-color: rgba(0,0,0,0.02);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: none;
    outline: none;
    white-space: nowrap;
}

.btn i {
    margin-right: 8px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
}

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

.btn-success:hover {
    background-color: var(--success-light);
    transform: translateY(-2px);
}

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

.btn-danger:hover {
    background-color: var(--danger-light);
    transform: translateY(-2px);
}

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

.btn-warning:hover {
    background-color: var(--warning-light);
    transform: translateY(-2px);
}

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

.btn-info:hover {
    background-color: var(--info-light);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1.1rem;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    display: block;
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: #fff;
    transition: border-color var(--transition-speed) ease;
}

.form-control:focus {
    border-color: var(--primary-light);
    outline: none;
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.2);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23757575' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 40px;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

table th,
table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    font-weight: 600;
    background-color: rgba(0,0,0,0.02);
    color: var(--text-primary);
    white-space: nowrap;
}

table tbody tr:hover {
    background-color: rgba(0,0,0,0.01);
}

/* Status Badges */
.status {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-pending {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.status-processing {
    background-color: var(--info-light);
    color: var(--info-color);
}

.status-completed {
    background-color: var(--success-light);
    color: var(--success-color);
}

.status-cancelled {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border-left: 4px solid transparent;
}

.alert-success {
    background-color: var(--success-light);
    border-left-color: var(--success-color);
    color: #2e7d32;
}

.alert-danger {
    background-color: var(--danger-light);
    border-left-color: var(--danger-color);
    color: #c62828;
}

.alert-warning {
    background-color: var(--warning-light);
    border-left-color: var(--warning-color);
    color: #ef6c00;
}

.alert-info {
    background-color: var(--info-light);
    border-left-color: var(--info-color);
    color: #0277bd;
}

/* Dashboard & Widgets */
.dashboard-widgets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.widget {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-box-shadow);
    padding: 20px;
    text-align: center;
    transition: transform var(--transition-speed) ease;
}

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

.widget-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.widget-title {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 5px;
}

.widget-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Table Cards & QR Code Display */
.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.table-card {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-box-shadow);
    overflow: hidden;
    transition: all var(--transition-speed) ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.table-card.available {
    border-top: 4px solid var(--success-color);
}

.table-card.occupied {
    border-top: 4px solid var(--danger-color);
}

.table-card.reserved {
    border-top: 4px solid var(--warning-color);
}

.table-header {
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.table-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.table-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.available .table-status {
    background-color: var(--success-light);
    color: var(--success-color);
}

.occupied .table-status {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.table-info {
    padding: 15px;
    flex: 1;
}

.table-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.table-info p i {
    margin-right: 8px;
    width: 20px;
    text-align: center;
}

.qr-code-container {
    margin: 15px auto;
    text-align: center;
    max-width: 180px;
}

.qr-code-container button {
    margin-top: 10px;
}

.table-actions {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    background-color: rgba(0,0,0,0.01);
}

/* Menu Grid */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.menu-item {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-box-shadow);
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}

.menu-item:hover {
    transform: translateY(-5px);
}

.menu-item-image {
    height: 180px;
    overflow: hidden;
}

.menu-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

.menu-item:hover .menu-item-image img {
    transform: scale(1.05);
}

.menu-item-details {
    padding: 15px;
}

.menu-item-title {
    font-size: 1.2rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.menu-item-price {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.menu-item-actions {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
}

/* QR Code Specific Styles */
.qrcode {
    margin: 0 auto;
    padding: 10px;
}

.qr-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
    padding: 20px;
    background-color: #f5f5f5;
    border-radius: var(--border-radius);
}

.payment-info,
.payment-details {
    flex: 1;
    min-width: 300px;
}

.promptpay-number {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
    padding: 10px 15px;
    background-color: rgba(63, 81, 181, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
}

.promptpay-number i {
    margin-right: 10px;
    font-size: 1.4rem;
}

.qr-payment {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-box-shadow);
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.qr-payment h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Payment Methods */
.payment-methods {
    margin: 20px 0;
}

.payment-method-options {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

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

.payment-method input[type="radio"] {
    display: none;
}

.payment-method label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border: 2px solid var(--border-color);
}

.payment-method label i {
    font-size: 2rem;
    color: var(--primary-color);
}

.payment-method input[type="radio"]:checked + label {
    border-color: var(--primary-color);
    background-color: rgba(63, 81, 181, 0.05);
}

.payment-method-details {
    padding: 20px;
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-box-shadow);
    margin-top: 20px;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

.mb-0 {
    margin-bottom: 0;
}

.mt-3 {
    margin-top: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.p-3 {
    padding: 1rem;
}

.d-flex {
    display: flex;
}

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

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

/* Footer */
footer {
    margin-top: 50px;
    padding: 20px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-widgets {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--primary-color);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .navbar-menu a {
        padding: 15px;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    
    .table-card {
        margin-bottom: 15px;
    }
    
    .tables-grid,
    .menu-grid {
        grid-template-columns: repeat(auto-fill, minmax(100%, 1fr));
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 8px 16px;
    }
}

@media (max-width: 576px) {
    .dashboard-widgets {
        grid-template-columns: 1fr;
    }
    
    .widget {
        padding: 15px;
    }
    
    .card-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .table th, 
    .table td {
        padding: 10px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
}