/*
 * BARCODE — Page-Specific Styles
 * Barcode & QR Code Generator + Library
 */

@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;700&display=swap');

/* =============================================================================
   APP HEADER
   ============================================================================= */

/* Tab styles: now using .tabs from components.css (segmented control pattern) */

/* =============================================================================
   MAIN LAYOUT (Generator)
   ============================================================================= */

.main-grid {
    display: grid;
    grid-template-columns: minmax(300px, 350px) 1fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 800px) {
    .main-grid {
        grid-template-columns: 1fr;
    }

    .preview-panel {
        order: -1;
    }
}

/* =============================================================================
   PREVIEW PANEL
   ============================================================================= */

.preview-panel {
    position: sticky;
    top: 20px;
}

.preview-container {
    background:
        linear-gradient(45deg, #1a1a1a 25%, transparent 25%),
        linear-gradient(-45deg, #1a1a1a 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #1a1a1a 75%),
        linear-gradient(-45deg, transparent 75%, #1a1a1a 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #252525;
    border: 1px solid var(--border);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    margin-bottom: 15px;
    border-radius: var(--radius-sm);
}

#barcodeCanvas {
    max-width: 100%;
    height: auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.preview-actions {
    display: flex;
    gap: 10px;
}

.preview-actions .btn {
    flex: 1;
}

/* =============================================================================
   CONTROLS
   ============================================================================= */

.control-group {
    margin-bottom: 15px;
}

.control-group label {
    display: block;
    font-size: var(--font-xs);
    letter-spacing: var(--tracking-wide);
    color: var(--text-secondary);
    margin-bottom: 5px;
    text-transform: uppercase;
}

textarea,
select,
input[type="number"],
input[type="text"] {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    padding: 8px;
    font-family: var(--font-family-mono);
    font-size: var(--font-sm);
}

textarea:focus,
select:focus,
input:focus {
    border-color: var(--accent);
    outline: none;
}

input[type="range"] {
    width: 100%;
    cursor: pointer;
    vertical-align: middle;
    margin: 10px 0;
}

.range-value {
    text-align: right;
    font-size: var(--font-xs);
    color: var(--text-muted);
    font-family: var(--font-family-mono);
}

#barcode-options,
#qr-options {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.color-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

input[type="color"] {
    width: 100%;
    height: 36px;
    padding: 2px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    cursor: pointer;
}

/* =============================================================================
   LIBRARY GRID
   ============================================================================= */

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.section-header h3 {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: var(--space-2);
}

.barcode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.barcode-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-fast);
    position: relative;
}

.barcode-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.barcode-card.dragging {
    opacity: 0.5;
    border: 1px dashed var(--accent);
}

.barcode-card.drag-over {
    border: 2px solid var(--accent);
}

/* Selection state for print mode */
.barcode-card.selected {
    border: 2px solid var(--accent);
    background: var(--accent-subtle);
}

.select-overlay {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    z-index: 10;
    cursor: pointer;
}

.select-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.card-header {
    padding: var(--space-3);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-surface);
}

.card-title {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

.card-type {
    font-size: 9px;
    text-transform: uppercase;
    background: var(--bg-base);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

.card-preview {
    height: 120px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    overflow: hidden;
}

.card-preview canvas,
.card-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.card-content-text {
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-family-mono);
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--bg-base);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

.card-actions {
    padding: var(--space-2);
    display: flex;
    justify-content: space-between;
    background: var(--bg-surface);
}

/* Action buttons: now using .action-btn from components.css
   Note: barcode uses borderless variant, override if needed */
.card-actions .action-btn {
    border: none;
    padding: 4px 8px;
    font-size: 14px;
}

/* Export Dropdown */
.export-dropdown {
    position: relative;
}

.export-menu {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 0;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    z-index: 100;
    min-width: 120px;
    margin-bottom: 4px;
}

.export-dropdown.open .export-menu {
    display: block;
}

.export-menu button {
    display: block;
    width: 100%;
    padding: 8px 12px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 12px;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.export-menu button:hover {
    background: var(--bg-hover);
}

.export-menu button:first-child {
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.export-menu button:last-child {
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

/* Add Form */
.add-form {
    display: none;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    border-radius: var(--radius-md);
}

.add-form.visible {
    display: block;
    animation: slideDown 0.2s ease-out;
}

.add-form textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 8px;
    border-radius: 4px;
    font-size: 13px;
    font-family: var(--font-family-mono);
    resize: vertical;
}

.add-form textarea:focus {
    border-color: var(--accent);
    outline: none;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-4);
}

/* Filter bar, filter-group, filter-label: now using ui-components.css
   Drag handle: now using components.css */

/* Empty state: now using .empty-state from components.css */

/* =============================================================================
   PRINT MODE BAR
   ============================================================================= */

.print-mode-bar {
    display: none;
    background: var(--accent-subtle);
    border: 1px solid var(--accent);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.print-mode-bar.visible {
    display: flex;
    animation: slideDown 0.2s ease-out;
}

.print-mode-info {
    font-size: var(--font-sm);
    color: var(--text-primary);
    font-weight: 600;
}

.print-mode-controls {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.print-mode-controls select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
}

/* Hide drag handles in print mode */
.print-mode-active .drag-handle {
    visibility: hidden;
}

/* =============================================================================
   PRINT STYLES
   ============================================================================= */

.print-container {
    display: none;
}

@media print {

    /* Hide everything except print container */
    body>* {
        display: none !important;
    }

    .print-container {
        display: grid !important;
        position: fixed;
        top: 0;
        left: 0;
        width: 210mm;
        height: 297mm;
        margin: 0;
        padding: 5mm;
        box-sizing: border-box;
        background: white;
        gap: 2mm;
    }

    /* 21-up: 3 columns × 7 rows */
    .print-container.layout-21 {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(7, 1fr);
    }

    /* 24-up: 3 columns × 8 rows */
    .print-container.layout-24 {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(8, 1fr);
    }

    /* 65-up: 5 columns × 13 rows */
    .print-container.layout-65 {
        grid-template-columns: repeat(5, 1fr);
        grid-template-rows: repeat(13, 1fr);
        gap: 1mm;
        padding: 3mm;
    }

    .print-label {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border: 0.5pt dashed #ccc;
        padding: 2mm;
        overflow: hidden;
        box-sizing: border-box;
    }

    .print-label-name {
        font-size: 8pt;
        font-weight: bold;
        text-align: center;
        margin-bottom: 1mm;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .print-label-code {
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 1;
        width: 100%;
    }

    .print-label-code canvas,
    .print-label-code img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }

    /* Smaller text for 65-up */
    .layout-65 .print-label-name {
        font-size: 6pt;
    }

    @page {
        size: A4;
        margin: 0;
    }
}