/* ==========================================================================
   Akili Edu Store - Main Stylesheet
   Mobile-first responsive design
   ========================================================================== */

/* CSS Custom Properties */
:root {
    /* Brand Colors - Akili Edu Brand Guide */
    --akili-primary: #0057E7;
    --akili-primary-dark: #004BC7;
    --akili-secondary: #FFA300;
    --akili-accent: #FFA300;
    
    /* Neutral Colors */
    --akili-dark: #2A2A2A;
    --akili-gray: #6b7280;
    --akili-light: #f3f4f6;
    --akili-white: #ffffff;
    
    /* Status Colors */
    --akili-success: #22c55e;
    --akili-warning: #f59e0b;
    --akili-danger: #ef4444;
    --akili-info: #3b82f6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--akili-light);
    color: var(--akili-dark);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 700;
}

a {
    color: var(--akili-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ==========================================================================
   Store Layout
   ========================================================================== */

.store-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.store-main {
    flex: 1;
    padding: var(--spacing-lg) 0;
}

/* Store Navbar */
.store-navbar {
    background: var(--akili-white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
}

.store-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--akili-primary);
}

.store-navbar .navbar-brand img {
    height: 32px;
    margin-right: var(--spacing-sm);
}

/* Currency Selector */
.currency-selector {
    min-width: 100px;
}

.currency-selector .form-select {
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

/* Store Footer */
.store-footer {
    background: var(--akili-dark);
    color: var(--akili-light);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.store-footer a {
    color: var(--akili-light);
}

.store-footer a:hover {
    color: var(--akili-white);
}

/* ==========================================================================
   Product Cards
   ========================================================================== */

.product-card {
    background: var(--akili-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card-header {
    background: linear-gradient(135deg, var(--akili-primary) 0%, var(--akili-primary-dark) 100%);
    color: var(--akili-white);
    padding: var(--spacing-lg);
    text-align: center;
}

.product-card-header.gift-card {
    background: linear-gradient(135deg, var(--akili-secondary) 0%, #E59200 100%);
}

.product-card-header.payg-card {
    background: linear-gradient(135deg, var(--akili-primary) 0%, var(--akili-primary-dark) 100%);
}

.product-card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.product-card-duration {
    font-size: 2rem;
    font-weight: 700;
}

.product-card-body {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--akili-dark);
}

.product-card-description {
    color: var(--akili-gray);
    font-size: 0.875rem;
    flex: 1;
}

.product-card-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--akili-primary);
    margin: var(--spacing-md) 0;
}

.product-card-footer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.product-card .btn-buy {
    width: 100%;
    padding: var(--spacing-md);
    font-weight: 600;
    border-radius: var(--radius-md);
}

/* Stock Badge */
.stock-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.stock-badge.in-stock {
    background-color: #dcfce7;
    color: #166534;
}

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

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

/* ==========================================================================
   Checkout Page
   ========================================================================== */

.checkout-container {
    max-width: 600px;
    margin: 0 auto;
}

.checkout-card {
    background: var(--akili-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.checkout-header {
    background: linear-gradient(135deg, var(--akili-primary) 0%, var(--akili-primary-dark) 100%);
    color: var(--akili-white);
    padding: var(--spacing-xl);
    text-align: center;
}

.checkout-header h2 {
    margin: 0;
    font-weight: 700;
}

.checkout-body {
    padding: var(--spacing-xl);
}

.checkout-product-summary {
    background: var(--akili-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.checkout-product-name {
    font-weight: 600;
    font-size: 1.125rem;
}

.checkout-product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--akili-primary);
}

/* Email Input with Confirmation */
.email-confirm-group {
    position: relative;
}

.email-match-indicator {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
}

.email-match-indicator.match {
    color: var(--akili-success);
}

.email-match-indicator.no-match {
    color: var(--akili-danger);
}

/* Quantity Selector */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quantity-selector .btn {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.quantity-selector input {
    width: 60px;
    text-align: center;
    font-weight: 600;
}

/* Order Total */
.order-total {
    background: var(--akili-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.order-total-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.order-total-row.total {
    border-top: 2px solid var(--akili-gray);
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-md);
    font-size: 1.25rem;
    font-weight: 700;
}

/* ==========================================================================
   Success / Cancelled Pages
   ========================================================================== */

.result-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.result-card {
    background: var(--akili-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    max-width: 500px;
    width: 100%;
}

.result-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.result-icon.success {
    color: var(--akili-success);
}

.result-icon.cancelled {
    color: var(--akili-warning);
}

.result-icon.error {
    color: var(--akili-danger);
}

.result-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.result-message {
    color: var(--akili-gray);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   Admin Layout
   ========================================================================== */

.admin-wrapper {
    min-height: 100vh;
    display: flex;
}

.admin-sidebar {
    width: 250px;
    background: var(--akili-dark);
    color: var(--akili-white);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    transition: transform var(--transition-normal);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.admin-sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-sidebar-brand {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--akili-white);
}

.admin-nav {
    padding: var(--spacing-md) 0;
    flex-grow: 1;
    overflow-y: auto;
}

.admin-nav-item {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.admin-nav-item:hover,
.admin-nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--akili-white);
}

.admin-nav-item i {
    margin-right: var(--spacing-sm);
    width: 20px;
    text-align: center;
}

.admin-nav-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: var(--spacing-md) 0;
}

.admin-sidebar-footer {
    margin-top: auto;
    flex-shrink: 0;
}

.admin-main {
    flex: 1;
    margin-left: 250px;
    min-height: 100vh;
    background: var(--akili-light);
}

.admin-header {
    background: var(--akili-white);
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-content {
    padding: var(--spacing-xl);
}

/* Mobile Admin */
@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.show {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .admin-sidebar-toggle {
        display: block !important;
    }
}

.admin-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--akili-dark);
    cursor: pointer;
}

/* ==========================================================================
   Admin Cards & Stats
   ========================================================================== */

.stat-card {
    background: var(--akili-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--akili-white);
}

.stat-card-icon.primary {
    background: var(--akili-primary);
}

.stat-card-icon.success {
    background: var(--akili-success);
}

.stat-card-icon.warning {
    background: var(--akili-warning);
}

.stat-card-icon.danger {
    background: var(--akili-danger);
}

.stat-card-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--akili-dark);
}

.stat-card-label {
    color: var(--akili-gray);
    font-size: 0.875rem;
}

/* Admin Table */
.admin-table {
    background: var(--akili-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.admin-table .table {
    margin: 0;
}

.admin-table .table th {
    background: var(--akili-light);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--akili-gray);
    border: none;
    padding: var(--spacing-md);
}

.admin-table .table td {
    padding: var(--spacing-md);
    vertical-align: middle;
    border-color: var(--akili-light);
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.pending {
    background: #fef3c7;
    color: #92400e;
}

.status-badge.processing {
    background: #dbeafe;
    color: #1e40af;
}

.status-badge.completed,
.status-badge.paid,
.status-badge.delivered {
    background: #dcfce7;
    color: #166534;
}

.status-badge.failed,
.status-badge.cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* ==========================================================================
   Admin Auth Pages
   ========================================================================== */

.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--akili-primary) 0%, #003FA3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.auth-card {
    background: var(--akili-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    overflow: hidden;
}

.auth-header {
    background: var(--akili-dark);
    color: var(--akili-white);
    padding: var(--spacing-xl);
    text-align: center;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.auth-body {
    padding: var(--spacing-xl);
}

.auth-footer {
    padding: var(--spacing-lg);
    background: var(--akili-light);
    text-align: center;
}

/* TOTP Setup */
.totp-qr-container {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--akili-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.totp-qr-container img {
    max-width: 200px;
    border-radius: var(--radius-sm);
}

.totp-secret {
    font-family: monospace;
    background: var(--akili-dark);
    color: var(--akili-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    word-break: break-all;
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-label {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--akili-dark);
}

.form-control,
.form-select {
    border-radius: var(--radius-md);
    border: 1px solid #d1d5db;
    padding: var(--spacing-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--akili-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-text {
    font-size: 0.75rem;
    color: var(--akili-gray);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

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

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

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
}

.alert-success {
    background: #dcfce7;
    color: #166534;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.text-muted {
    color: var(--akili-gray) !important;
}

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

.bg-gradient-success {
    background: linear-gradient(135deg, var(--akili-secondary) 0%, #059669 100%);
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner 0.75s linear infinite;
}

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

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */

@media (max-width: 767.98px) {
    .store-main {
        padding: var(--spacing-md) 0;
    }
    
    .checkout-body {
        padding: var(--spacing-lg);
    }
    
    .result-card {
        padding: var(--spacing-xl);
    }
    
    .admin-content {
        padding: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-card-value {
        font-size: 1.5rem;
    }
}

/* Hide scrollbar for sidebar */
.admin-sidebar::-webkit-scrollbar {
    width: 0;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .store-navbar,
    .store-footer,
    .admin-sidebar,
    .admin-header,
    .btn {
        display: none !important;
    }
    
    .admin-main {
        margin-left: 0 !important;
    }
}