/**
 * Stock Scanner App - Windows 11 Style CSS
 * Mobile-first, responsive design
 */

/* ========== Variables ========== */
:root {
    /* Windows 11 Colors */
    --win-accent: #0078d4;
    --win-accent-hover: #006cc1;
    --win-accent-light: #60cdff;
    --win-bg-primary: #f3f3f3;
    --win-bg-secondary: #ffffff;
    --win-bg-tertiary: #e5e5e5;
    --win-text-primary: #1a1a1a;
    --win-text-secondary: #5c5c5c;
    --win-text-muted: #8a8a8a;
    --win-border: rgba(0, 0, 0, 0.0578);
    --win-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --win-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
    
    /* Status Colors */
    --status-available: #0f7b0f;
    --status-unavailable: #c42b1c;
    --status-warning: #9d5d00;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Font */
    --font-family: 'Segoe UI', 'Segoe UI Variable', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ========== Base Styles ========== */
* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.5;
    color: var(--win-text-primary);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== Glass Card Effect ========== */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: var(--win-shadow);
}

/* ========== Login Page ========== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: linear-gradient(135deg, #0078d4 0%, #00a4ef 50%, #60cdff 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    padding: var(--space-xl);
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.login-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    background: var(--win-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-icon i {
    font-size: 36px;
    color: white;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 var(--space-xs);
    color: var(--win-text-primary);
}

.login-footer {
    text-align: center;
    margin-top: var(--space-lg);
}

/* ========== Form Elements ========== */
.form-label {
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--win-text-primary);
}

.form-control, .form-select {
    border: 1px solid var(--win-border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 14px;
    transition: all 0.15s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--win-accent);
    box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.2);
}

.input-group-text {
    background: var(--win-bg-tertiary);
    border: 1px solid var(--win-border);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--win-text-secondary);
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* ========== Buttons ========== */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    padding: 8px 16px;
    transition: all 0.15s ease;
}

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

.btn-primary:hover {
    background: var(--win-accent-hover);
    border-color: var(--win-accent-hover);
    transform: translateY(-1px);
}

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

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

/* ========== Header ========== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-radius: 0;
    background: rgba(0, 120, 212, 0.95);
    color: white;
    padding: var(--space-sm) var(--space-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.app-title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
}

.header-info {
    display: flex;
    gap: var(--space-xs);
}

.header-info .badge {
    font-weight: 400;
    font-size: 11px;
}

.header-right {
    display: flex;
    align-items: center;
}

/* ========== Scanner Page ========== */
.scanner-page {
    background: linear-gradient(135deg, #0078d4 0%, #00a4ef 100%);
}

.scanner-main {
    padding: var(--space-md);
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 100px;
}

/* Camera Section */
.camera-section {
    margin-bottom: var(--space-md);
    overflow: hidden;
}

/* html5-qrcode scanner container - 1/3 of viewport height */
.barcode-scanner-container {
    position: relative;
    width: 100%;
    height: 33vh;
    max-height: 250px;
    background: #000;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
}

.barcode-scanner-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scanner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.scanner-target {
    width: 85%;
    height: 50px;
    border: 3px solid rgba(0, 255, 0, 0.8);
    border-radius: 4px;
    box-shadow: 
        0 0 0 4000px rgba(0, 0, 0, 0.4),
        inset 0 0 20px rgba(0, 255, 0, 0.3);
    position: relative;
}

.scanner-target::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 255, 0, 0.8) 20%, 
        rgba(0, 255, 0, 1) 50%, 
        rgba(0, 255, 0, 0.8) 80%, 
        transparent);
    animation: scanPulse 1.5s ease-in-out infinite;
    transform: translateY(-50%);
}

@keyframes scanPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Style the html5-qrcode elements */
#barcodeScanner {
    width: 100% !important;
    border: none !important;
}

#barcodeScanner video {
    width: 100% !important;
    height: auto !important;
    object-fit: cover !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* Scanner shaded region - make it less obtrusive */
#barcodeScanner #qr-shaded-region {
    border-width: 2px !important;
}

/* Hide the default file scan button if not needed */
#barcodeScanner__dashboard_section_csr button {
    display: none;
}

/* Style the scan region to be a horizontal bar for 1D barcodes */
#barcodeScanner__scan_region {
    background: transparent !important;
}

#barcodeScanner__scan_region video {
    border-radius: var(--radius-md);
}

/* Legacy camera container (if needed) */
.camera-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: #000;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
}

.camera-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scan-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 60px; /* Thin rectangle for 1D barcodes */
    border: 3px solid rgba(0, 255, 0, 0.8);
    border-radius: var(--radius-sm);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
}

.scan-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00ff00, #00ff00, transparent);
    animation: scanPulse 1.5s ease-in-out infinite;
    transform: translateY(-50%);
}

@keyframes scanPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.camera-controls {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    display: flex;
    gap: var(--space-sm);
}

.btn-camera {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--win-text-primary);
    box-shadow: var(--win-shadow);
}

.btn-camera:hover {
    background: white;
    transform: scale(1.1);
}

.btn-camera.active {
    background: var(--win-accent);
    color: white;
}

.camera-status, .camera-error {
    padding: var(--space-xl);
    text-align: center;
    color: var(--win-text-secondary);
}

.camera-status .spinner-border {
    width: 48px;
    height: 48px;
}

.camera-error i {
    font-size: 48px;
    color: var(--status-unavailable);
    margin-bottom: var(--space-md);
}

/* Manual Entry */
.manual-entry {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
}

/* Result Section */
.result-section {
    margin-bottom: var(--space-md);
}

.result-card {
    padding: 0;
    overflow: hidden;
}

.result-status {
    padding: var(--space-md);
    text-align: center;
}

.status-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.available {
    background: rgba(15, 123, 15, 0.15);
    color: var(--status-available);
}

.status-badge.unavailable {
    background: rgba(196, 43, 28, 0.15);
    color: var(--status-unavailable);
}

.result-body {
    padding: 0 var(--space-md);
}

.result-isbn, .result-title {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--win-border);
}

.result-isbn label, .result-title label,
.result-grid label, .result-sales label {
    display: block;
    font-size: 11px;
    color: var(--win-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.result-isbn span, .result-title span {
    font-size: 15px;
    font-weight: 500;
    word-break: break-all;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--win-border);
}

.result-item {
    padding: var(--space-sm);
    background: var(--win-bg-primary);
    border-radius: var(--radius-sm);
}

.result-value {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--win-accent);
}

.result-sales {
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--win-border);
}

.sales-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-sm);
}

.sales-item {
    text-align: center;
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--win-accent), var(--win-accent-hover));
    border-radius: var(--radius-md);
    color: white;
}

.sales-label {
    display: block;
    font-size: 11px;
    opacity: 0.9;
    margin-bottom: 2px;
}

.sales-value {
    display: block;
    font-size: 20px;
    font-weight: 600;
}

/* Order Entry */
.order-entry {
    padding: var(--space-md);
    background: var(--win-bg-primary);
}

.order-entry .form-control {
    font-size: 18px;
    font-weight: 600;
    text-align: center;
}

.result-actions {
    padding: var(--space-md);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay p {
    margin-top: var(--space-md);
    color: var(--win-text-secondary);
}

/* ========== Export Page ========== */
.export-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.export-main {
    padding: var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
}

.filter-section, .orders-section {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
}

/* Stats Section */
.stats-section {
    margin-bottom: var(--space-md);
}

.stat-card {
    padding: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--win-accent), var(--win-accent-hover));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.stat-content {
    flex: 1;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: var(--win-text-primary);
    line-height: 1.2;
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--win-text-muted);
}

/* Orders Table */
.table {
    --bs-table-bg: transparent;
    font-size: 13px;
}

.table th {
    font-weight: 600;
    color: var(--win-text-secondary);
    border-bottom: 2px solid var(--win-border);
    padding: var(--space-md);
    white-space: nowrap;
}

.table td {
    padding: var(--space-md);
    vertical-align: middle;
    border-bottom: 1px solid var(--win-border);
}

.table tbody tr:hover {
    background: var(--win-bg-primary);
}

/* Pagination */
.pagination {
    gap: var(--space-xs);
}

.pagination .page-link {
    border-radius: var(--radius-sm);
    border: none;
    color: var(--win-text-primary);
    padding: 8px 12px;
}

.pagination .page-link:hover {
    background: var(--win-bg-tertiary);
}

.pagination .page-item.active .page-link {
    background: var(--win-accent);
    color: white;
}

/* ========== Order Action Buttons ========== */
.edit-order-btn,
.delete-order-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.edit-order-btn:hover {
    background-color: var(--bs-warning);
    border-color: var(--bs-warning);
    color: #000;
}

.delete-order-btn:hover {
    background-color: var(--bs-danger);
    border-color: var(--bs-danger);
    color: #fff;
}

/* ========== Toast Notifications ========== */
.toast {
    border-radius: var(--radius-md);
    box-shadow: var(--win-shadow-hover);
}

/* ========== Email Tags ========== */
.email-tags-container {
    min-height: 38px;
    padding: 8px;
    background: var(--win-bg-primary);
    border: 1px solid var(--win-border);
    border-radius: var(--radius-sm);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.email-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 13px;
    font-weight: normal;
}

.email-tag .btn-close {
    padding: 0;
    margin-left: 4px;
    opacity: 0.8;
}

.email-tag .btn-close:hover {
    opacity: 1;
}

/* ========== Autocomplete Dropdown ========== */
.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1050;
    background: var(--win-bg-secondary);
    border: 1px solid var(--win-border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    max-height: 250px;
    overflow-y: auto;
    box-shadow: var(--win-shadow-hover);
}

.autocomplete-item {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid var(--win-border);
    transition: background 0.15s ease;
}

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

.autocomplete-item:hover,
.autocomplete-item.active {
    background: var(--win-accent);
    color: white;
}

.autocomplete-item strong {
    color: inherit;
}

/* ========== Responsive ========== */
@media (max-width: 576px) {
    .header-info {
        display: none;
    }
    
    .app-title {
        font-size: 0.9rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        padding: var(--space-sm);
    }
    
    .stat-icon {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    .stat-label {
        font-size: 10px;
    }
    
    .table {
        font-size: 11px;
    }
    
    .table th, .table td {
        padding: 6px 4px;
        white-space: nowrap;
    }
    
    /* Smaller action buttons on mobile */
    .edit-order-btn,
    .delete-order-btn {
        padding: 0.15rem 0.3rem;
        font-size: 0.65rem;
    }
    
    /* Narrower ISBN column */
    .table td:first-child code {
        font-size: 10px;
    }
    
    /* Book name column - allow more space */
    .table td:nth-child(2) {
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* Filter section */
    .filter-section .row {
        gap: 0.5rem;
    }
    
    .filter-section .btn {
        padding: 0.375rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .filter-section .btn i {
        margin: 0 !important;
    }
    
    .filter-section .btn span:not(.bi) {
        display: none;
    }
    
    /* Stats section */
    .stats-section .col-6 {
        padding: 0.25rem;
    }
}

/* ========== Alerts ========== */
.alert {
    border-radius: var(--radius-md);
    border: none;
}

/* ========== Utilities ========== */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}