/* Modern Mini Multistore - Complete Stylesheet */

:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #093b81;
    --light-color: #f8fafc;
    --gray-color: #6b7280;
    --border-radius: 12px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    line-height: 1.6;
}

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

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.header h1 {
    color: var(--dark-color);
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 15px;
    text-align: center;

}

.nav-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    background: var(--light-color);
    color: var(--dark-color);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

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

/* Section Styles */
.section {
    display: none;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
}

.section.active {
    display: block;
    animation: fadeIn 0.5s ease-in;
}

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

.section-title {
    font-size: 2em;
    color: var(--dark-color);
    margin-bottom: 25px;
    text-align: center;
    font-weight: 700;
}

/* Product Grid Styles */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.product-card.low-stock {
    border-color: var(--warning-color);
    background: linear-gradient(135deg, #fff 0%, #fef3c7 100%);
}

.product-card.out-of-stock {
    border-color: var(--danger-color);
    background: linear-gradient(135deg, #fff 0%, #fee2e2 100%);
    opacity: 0.8;
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
}

.product-name {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.product-price {
    font-size: 1.5em;
    font-weight: 800;
    color: var(--success-color);
    margin-bottom: 10px;
}

.stock-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 0.9em;
}

.stock-level {
    padding: 4px 12px;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.85em;
}

.stock-level.high { 
    background: #dcfce7; 
    color: #166534; 
}

.stock-level.low { 
    background: #fef3c7; 
    color: #92400e; 
}

.stock-level.out { 
    background: #fee2e2; 
    color: #991b1b; 
}

.buy-btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 1.1em;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.buy-btn.available:hover {
    background: #059669;
    transform: translateY(-2px);
}

.buy-btn.sold-out {
    background: var(--gray-color);
    color: white;
    cursor: not-allowed;
}

/* Tray Overlay Styles */
.tray-overlay {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.tray-overlay.show {
    right: 0;
}

.tray-header {
    padding: 20px;
    background: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tray-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.tray-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #e5e7eb;
}

.tray-item:last-child {
    border-bottom: none;
}

.tray-footer {
    padding: 20px;
    background: var(--light-color);
    border-top: 1px solid #e5e7eb;
}

.tray-total {
    font-size: 1.5em;
    font-weight: 800;
    color: var(--dark-color);
    margin-bottom: 15px;
    text-align: center;
}

.finalize-btn {
    width: 100%;
    padding: 15px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 1.2em;
    cursor: pointer;
    transition: var(--transition);
}

.finalize-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

.close-tray {
    background: none;
    border: none;
    color: white;
    font-size: 1.5em;
    cursor: pointer;
}

.remove-item-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.8em;
}

/* Form Styles */
.form-container {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.currency-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
}

.currency-input-group input {
    flex: 2;
}

.currency-select {
    flex: 0 0 70px;
    font-weight: 700;
    font-size: 0.9em;
    color: rgb(52, 55, 216);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    text-align: center;
    padding: 10px;
    transition: var(--transition);
}

.currency-select:hoover{
  background: var(--secondary-color);
}
.conversion-info {
    margin-bottom: 15px;
    padding: 10px;
    background: #e0f2fe;
    border-radius: 5px;
    color: #0369a1;
    font-size: 0.9em;
}
.form-input[type="date"]{
  padding: 4px 8px;
  font-size: 1em;
  border: 1.5px solid #e5e7eb;
  border-radius: var(--border-radius);
  max-width: 250px;
  cursor: pointer;
}
.form-input.category-select{
  height: 38px;
  font-size: 0.9em;
  padding: 4px 8px;
}
.form-input {
    padding: 11px 6px;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius);
    font-size: 1em;
    transition: var(--transition);
}

.form-input[type="date"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    background: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.submit-btn:disabled {
    background: var(--gray-color);
    cursor: not-allowed;
    transform: none;
}

/* List Styles */
.expense-list {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.expense-item {
    padding: 15px 0;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
/* Chart containers in grid */
.chart-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
  margin-top: 30px;
}
/* Chart Styles */
.chart-container {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}
#profit-chart{
  width: 100%;
  max-width: 600px;
  max-height: 500px;
  margin: 0 auto;
  display: block;
}
#expense-chart{
  width: 100%;
  max-width: 600px;
  max-height: 500px;
  margin: 0 auto;
  display: block;
}

.chart-container canvas {
    max-width: 100%;
    height: auto;
}

/* Report Card Styles */
.report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.report-card {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.report-card h3 {
    color: var(--gray-color);
    margin-bottom: 10px;
    font-size: 1.1em;
}

.report-value {
    font-size: 2.5em;
    font-weight: 800;
    margin-bottom: 10px;
}

.report-value.positive { 
    color: var(--success-color); 
}

.report-value.negative { 
    color: var(--danger-color); 
}

.report-value.neutral { 
    color: var(--primary-color); 
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 600;
    z-index: 2000;
    transform: translateX(400px);
    transition: var(--transition);
}

.notification.show {
    transform: translateX(0);
}

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

.notification.error { 
    background: var(--danger-color); 
}

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

/* Loading States */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { 
        transform: rotate(360deg); 
    }
}

/* Responsive Design */
@media (max-width: 600px) {
    .container { 
        padding: 10px; 
    }
    .currency-input-group{
      flex-direction: column;
      align-items: stretch;
    }
    
    .header { 
        padding: 15px 20px; 
    }
    
    .header h1 { 
        font-size: 2em; 
    }
    
    .nav-tabs { 
        gap: 5px; 
    }
    
    .nav-btn { 
        padding: 8px 16px; 
        font-size: 0.9em; 
    }
    
    .section { 
        padding: 20px; 
    }
    
    .products-grid { 
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); 
        gap: 15px; 
    }
    
    .tray-overlay { 
        width: 100vw; 
        right: -100vw; 
    }
    
    .form-grid { 
        grid-template-columns: 1fr; 
    }
    
    .report-grid { 
        grid-template-columns: 1fr; 
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .tray-overlay,
    .nav-tabs,
    .buy-btn {
        display: none !important;
    }
    
    .section {
        background: white;
        box-shadow: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --success-color: #008000;
        --danger-color: #ff0000;
        --warning-color: #ff8c00;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here */
}

/* Focus Styles for Accessibility */
button:focus,
input:focus,
select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Selection Styles */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-color);
    border-radius: 4px;
}

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