/**
 * Local copy of Firmware Uploader Stylesheet for popup use
 */

/* Custom Font Declarations */
@font-face {
    font-family: 'Proxima Nova Condensed';
    src: url('../fonts/proxima_nova_cond_reg.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Proxima Nova Condensed';
    src: url('../fonts/proxima_nova_cond_semi_bold.otf') format('opentype');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'Proxima Nova Condensed';
    src: url('../fonts/proxima_nova_cond_reg_italic.otf') format('opentype');
    font-weight: normal;
    font-style: italic;
}

/* ==================== CSS VARIABLES & POPUP BACKDROP ==================== */
/* Variables and popup styles scoped to #uploadPopup to avoid affecting main page */

/* Prevent body scroll when popup is open */
body.popup-open {
    overflow: hidden;
}

#uploadPopup,
#pcbUploadPopup {
    /* CSS Variables (scoped to popup) - values defined directly to avoid circular references */
    /* These inherit from :root if defined there, otherwise use fallback values */
    --color-primary: #2d8998;
    --color-primary-dark: #246b78;
    --color-primary-light: #e3f2fd;
    --color-primary-darker: #105c74;
    --color-primary-darkest: #0d4a5e;
    --color-success: #4caf50;
    --color-error: #e74c3c;
    --color-warning: #f57f17;
    --color-info: #2196f3;
    --color-text-primary: #2c3e50;
    --color-text-secondary: #34495e;
    --color-text-muted: #7f8c8d;
    --color-text-disabled: #95a5a6;
    --color-text-light: #555;
    --bg-card: #ffffff;
    --bg-input: #f8f9fa;
    --bg-input-disabled: #ecf0f1;
    --bg-hover: #f0f7ff;
    --border-light: #e8ecef;
    --border-medium: #b0bec5;
    --border-focus: #36a4b5;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 6px 20px rgba(30, 136, 229, 0.4);
    --shadow-xl: 0 10px 40px rgba(0,0,0,0.3);
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
    --radius-xl: 12px;
    --radius-2xl: 1.25rem;

    /* Popup backdrop styles */
    display: none;
    position: fixed;
    z-index: 2000;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    overflow-y: auto;
    overflow-x: hidden;
}

/* Hide scrollbar for PCB Upload Popup */
#pcbUploadPopup {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

#pcbUploadPopup::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

#uploadPopup .popup-content,
#pcbUploadPopup .popup-content {
    width: min(100%, 900px);
    margin: 2rem auto 2rem auto;
    padding: 0 1rem;
    max-height: calc(100vh - 4rem);
    display: flex;
    flex-direction: column;
}

/* Hide scrollbar on popup container since body handles scrolling */
#uploadPopup {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

#uploadPopup::-webkit-scrollbar {
    display: none;
}

/* ==================== Upload form core (scoped to popup only) ==================== */
/* All styles below are scoped to #uploadPopup and #pcbUploadPopup to avoid affecting main page */

#uploadPopup .upload-form,
#pcbUploadPopup .upload-form {
    border: 1px solid var(--color-border, #dddfe0);
    border-radius: 1.25rem; /* Restored rounded edges */
    background-image: url("../../images/bg_noise.webp"), linear-gradient(180deg, var(--color-bg-gradient-top, #f8f8f7), var(--color-bg-gradient-bottom, #f1f0ee));
    background-position: 0 0, 0 0;
    background-size: auto, auto;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 4rem);
    overflow: hidden;
}

/* ==================== UPLOAD POPUP HEADER ==================== */
#uploadPopup .upload-popup-header,
#pcbUploadPopup .upload-popup-header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border-light, #e8ecef);
    background-color: white;
    flex-shrink: 0;
    border-radius: 1.25rem 1.25rem 0 0;
    position: relative;
    z-index: 10;
}

#uploadPopup .upload-popup-header h2,
#pcbUploadPopup .upload-popup-header h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary, #2c3e50);
}

/* ==================== UPLOAD POPUP BODY (SCROLLABLE) ==================== */
#uploadPopup .upload-popup-body,
#pcbUploadPopup .upload-popup-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 2rem;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
    position: relative;
    z-index: 1;
}

#uploadPopup .upload-popup-body::-webkit-scrollbar,
#pcbUploadPopup .upload-popup-body::-webkit-scrollbar {
    width: 8px;
}

#uploadPopup .upload-popup-body::-webkit-scrollbar-track,
#pcbUploadPopup .upload-popup-body::-webkit-scrollbar-track {
    background: transparent;
}

#uploadPopup .upload-popup-body::-webkit-scrollbar-thumb,
#pcbUploadPopup .upload-popup-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

#uploadPopup .upload-popup-body::-webkit-scrollbar-thumb:hover,
#pcbUploadPopup .upload-popup-body::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ==================== UPLOAD POPUP FOOTER ==================== */
#uploadPopup .upload-popup-footer,
#pcbUploadPopup .upload-popup-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--border-light, #e8ecef);
    background-color: white;
    flex-shrink: 0;
    border-radius: 0 0 1.25rem 1.25rem;
    position: relative;
    z-index: 10;
}

#uploadPopup .upload-popup-footer-buttons,
#pcbUploadPopup .upload-popup-footer-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

#uploadPopup .upload-popup-footer .submit-btn,
#pcbUploadPopup .upload-popup-footer .submit-btn {
    width: auto;
    min-width: 160px;
    padding: 0 24px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1;
}

#uploadPopup .upload-popup-footer .modal-btn-cancel,
#pcbUploadPopup .upload-popup-footer .modal-btn-cancel {
    width: auto;
    min-width: 100px;
    padding: 12px 24px;
    border: 1px solid #dddfe0;
}

#uploadPopup .upload-popup-footer .progress-container,
#pcbUploadPopup .upload-popup-footer .progress-container {
    display: none;
    margin: 0;
}

#uploadPopup .form-group,
#pcbUploadPopup .form-group { 
    margin-bottom: 25px; 
}

#uploadPopup .form-group label,
#pcbUploadPopup .form-group label { 
    display: block; 
    margin-bottom: 8px; 
    color: var(--color-text-secondary); 
    font-weight: 600; 
    font-size: 12px; 
}

#uploadPopup .form-group input[type="text"],
#pcbUploadPopup .form-group input[type="text"], 
#uploadPopup .form-group select,
#pcbUploadPopup .form-group select, 
#uploadPopup .form-group textarea,
#pcbUploadPopup .form-group textarea {
    width: 100%; 
    padding: 13px 15px; 
    border: 2px solid var(--border-light); 
    border-radius: var(--radius-md); 
    font-size: 12px; 
    background: var(--bg-input); 
    color: var(--color-text-primary); 
    box-sizing: border-box;
    transition: var(--transition-fast, border-color 0.2s ease);
}

/* FilterDropdown styles for upload forms */
/* Only target FilterDropdown (has .filter-dropdown-wrapper), not FilterItemSelector */
#uploadPopup .filter-group:has(.filter-dropdown-wrapper),
#pcbUploadPopup .filter-group:has(.filter-dropdown-wrapper) {
    padding: 0;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-input);
    overflow: visible; /* Allow dropdown to overflow */
    min-height: auto;
    display: block; /* Ensure it's visible */
}

/* FilterItemSelector styles for upload forms - match PCB Dashboard filter styling */
#uploadPopup .filter-group:has(.filter-multiselect),
#pcbUploadPopup .filter-group:has(.filter-multiselect) {
    padding: 2px 5px;
    border: 1px solid #dddfe0;
    border-radius: 8px;
    background: white;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Match PCB Dashboard FilterItemSelector font sizes */
#uploadPopup .filter-group:has(.filter-multiselect) label,
#pcbUploadPopup .filter-group:has(.filter-multiselect) label {
    padding: 2px 10px;
    font-size: 11px;
}

#uploadPopup .filter-group:has(.filter-multiselect) .filter-search-box,
#pcbUploadPopup .filter-group:has(.filter-multiselect) .filter-search-box {
    padding: 3px 12px !important;
    font-size: 11px !important;
    line-height: 1.4 !important;
    border: none;
    border-top: 1px solid #dddfe0;
    border-bottom: 1px solid #dddfe0;
    border-radius: 0;
    background: white;
    width: 100%;
}

#uploadPopup .filter-group:has(.filter-multiselect) .filter-search-box:focus,
#pcbUploadPopup .filter-group:has(.filter-multiselect) .filter-search-box:focus {
    outline: none;
    box-shadow: var(--shadow-focus-glow);
    border-color: transparent;
    position: relative;
    z-index: 1;
}

#uploadPopup .filter-group:has(.filter-multiselect) .filter-option,
#pcbUploadPopup .filter-group:has(.filter-multiselect) .filter-option {
    padding: 1px 5px !important;
    font-size: 11px !important;
    line-height: 1.4 !important;
    color: #4a5568 !important;
    border-radius: 3px;
    transition: background 0.15s, color 0.15s;
}

#uploadPopup .filter-group:has(.filter-multiselect) .filter-option:hover,
#pcbUploadPopup .filter-group:has(.filter-multiselect) .filter-option:hover {
    background: #f3f4f6;
}

#uploadPopup .filter-group:has(.filter-multiselect) .filter-option.selected,
#pcbUploadPopup .filter-group:has(.filter-multiselect) .filter-option.selected {
    background: #f0f7ff;
    color: black;
    font-weight: 500;
    border: 1px solid #dddfe0;
}

#uploadPopup .filter-group:has(.filter-multiselect) .filter-option.selected:hover,
#pcbUploadPopup .filter-group:has(.filter-multiselect) .filter-option.selected:hover {
    background: #cbd5df;
}

#uploadPopup .filter-group:has(.filter-multiselect) .filter-option label,
#pcbUploadPopup .filter-group:has(.filter-multiselect) .filter-option label {
    font-size: 11px !important;
    line-height: 1.4 !important;
    cursor: pointer;
    margin: 0;
    padding: 0;
    font-weight: inherit;
    color: inherit;
    background: transparent;
    flex: 1;
    pointer-events: none;
}

/* Selected PCB IDs Display Area */
#selectedPcbIdsDisplay {
    min-height: 120px;
    max-height: 200px;
    overflow-y: auto;
}

#selectedPcbIdsDisplay ul {
    margin: 0;
    padding-left: 20px;
    list-style-type: disc;
}

#selectedPcbIdsDisplay li {
    margin-bottom: 4px;
    font-size: 11px;
    line-height: 1.4;
    color: #4a5568;
}

#selectedPcbIdsDisplay li:last-child {
    margin-bottom: 0;
}

/* Hide empty labels - if label element exists but is empty, hide it */
#uploadPopup .filter-group label:empty,
#pcbUploadPopup .filter-group label:empty {
    display: none;
}

#uploadPopup .form-group input[type="text"]:focus,
#pcbUploadPopup .form-group input[type="text"]:focus, 
#uploadPopup .form-group select:focus,
#pcbUploadPopup .form-group select:focus, 
#uploadPopup .form-group textarea:focus,
#pcbUploadPopup .form-group textarea:focus {
    outline: none;
    box-shadow: var(--shadow-focus-glow);
    border-color: transparent;
}

/* Dropdown option styling - Light mode */
#uploadPopup .form-group select option,
#pcbUploadPopup .form-group select option {
    background: var(--bg-input);
    color: var(--color-text-primary);
    padding: 8px 12px;
}

#uploadPopup .form-group select option:hover,
#pcbUploadPopup .form-group select option:hover,
#uploadPopup .form-group select option:focus,
#pcbUploadPopup .form-group select option:focus,
#uploadPopup .form-group select option:active,
#pcbUploadPopup .form-group select option:active,
#uploadPopup .form-group select option:checked,
#pcbUploadPopup .form-group select option:checked {
    background: var(--color-primary) !important;
    background-color: var(--color-primary) !important;
    color: white !important;
}

/* Firefox specific */
#uploadPopup .form-group select option:hover,
#pcbUploadPopup .form-group select option:hover {
    background: var(--color-primary) !important;
    color: white !important;
}

/* WebKit browsers specific */
#uploadPopup .form-group select option:hover:not(:disabled),
#pcbUploadPopup .form-group select option:hover:not(:disabled) {
    background: linear-gradient(var(--color-primary), var(--color-primary)) !important;
    color: white !important;
}

#uploadPopup .form-row,
#pcbUploadPopup .form-row { 
    display: grid; 
    grid-template-columns: repeat(3, minmax(0, 1fr)); 
    gap: 12px; 
}

#uploadPopup .form-row > div,
#pcbUploadPopup .form-row > div {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

#uploadPopup .radio-group,
#pcbUploadPopup .radio-group { display: flex; gap: 25px; padding: 10px 0; }
#uploadPopup .radio-option,
#pcbUploadPopup .radio-option { display: flex; align-items: center; gap: 8px; }

#uploadPopup .file-upload-area,
#pcbUploadPopup .file-upload-area { 
    border: 3px dashed var(--border-medium); 
    border-radius: var(--radius-xl); 
    padding: 35px; 
    text-align: center; 
    background: var(--bg-card); 
    transition: var(--transition-base); 
    cursor: pointer; 
    margin-bottom: 15px; 
}
#uploadPopup .file-upload-area:hover,
#pcbUploadPopup .file-upload-area:hover { 
    border-color: var(--color-primary); 
    background: var(--bg-hover); 
}
#uploadPopup .file-upload-area.dragover,
#pcbUploadPopup .file-upload-area.dragover { 
    border-color: var(--color-primary); 
    background: var(--color-primary-light); 
    transform: scale(1.01); 
}
#uploadPopup .file-upload-area.has-files,
#pcbUploadPopup .file-upload-area.has-files { 
    border-color: var(--color-success); 
    background: rgba(76, 175, 80, 0.1); 
}

#uploadPopup .file-list,
#pcbUploadPopup .file-list { margin-top: 15px; }
#uploadPopup .file-item,
#pcbUploadPopup .file-item { 
    background: var(--bg-input); 
    padding: 15px; 
    border-radius: var(--radius-md); 
    margin-bottom: 10px; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    border: 1px solid var(--border-light);
    position: relative;
}
#uploadPopup .remove-file,
#pcbUploadPopup .remove-file { 
    background: var(--color-error); 
    color: #fff; 
    border: none; 
    padding: 8px 14px; 
    border-radius: var(--radius-sm); 
    cursor: pointer; 
    font-size: 10px; 
    font-weight: 600; 
    transition: var(--transition-fast);
}

#uploadPopup .remove-file:hover,
#pcbUploadPopup .remove-file:hover {
    background: #c0392b;
    transform: translateY(-1px);
}

/* X button in upper right corner for PCB file items */
#pcbUploadPopup .file-item {
    padding-top: 35px;
}

#pcbUploadPopup .remove-file-x {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--color-error);
    color: #fff;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm, 6px);
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    padding: 0;
    z-index: 10;
}

#pcbUploadPopup .remove-file-x:hover {
    background: #c0392b;
}

/* PCB Image Preview */
#pcbUploadPopup #pcbImagePreviewWrapper {
    position: relative;
    display: inline-block;
    max-width: fit-content;
    border: 2px solid var(--border-light, #e8ecef);
    border-radius: var(--radius-md, 8px);
    padding: 0;
    background: var(--bg-input, #f8f9fa);
}

#pcbUploadPopup .pcb-image-preview {
    max-width: 100%;
    max-height: 300px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: var(--radius-md, 8px);
}

#pcbUploadPopup .pcb-image-remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(255, 255, 255, 0.9);
    color: #666;
    border: 1px solid rgba(0, 0, 0, 0.2);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm, 6px);
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    padding: 0;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#pcbUploadPopup .pcb-image-remove-btn:hover {
    background: rgba(255, 255, 255, 1);
    color: #444;
    border-color: rgba(0, 0, 0, 0.25);
}

#uploadPopup .submit-btn,
#pcbUploadPopup .submit-btn { 
    width: 100%; 
    background: var(--color-primary); 
    color: #fff; 
    border: none; 
    padding: 16px; 
    border-radius: var(--radius-lg); 
    font-size: 14px; 
    font-weight: 600; 
    cursor: pointer; 
    transition: var(--transition-fast); 
}

#uploadPopup .submit-btn:hover,
#pcbUploadPopup .submit-btn:hover { 
    background: var(--color-primary-dark);
    transform: none; 
    box-shadow: none; 
}

#pcbUploadPopup .cancel-btn {
    background: #e74c3c !important;
    width: 100%;
}

#pcbUploadPopup .cancel-btn:hover {
    background: #c0392b !important;
}

#uploadPopup .progress-container,
#pcbUploadPopup .progress-container { display: none; margin-top: 20px; }
#uploadPopup .progress-bar,
#pcbUploadPopup .progress-bar { 
    width: 100%; 
    height: 35px; 
    background: var(--bg-input-disabled); 
    border-radius: 18px; 
    overflow: hidden; 
    margin-bottom: 10px; 
}
#uploadPopup .progress-fill,
#pcbUploadPopup .progress-fill { height: 100%; background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); width: 0; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 600; font-size: 11px; }
#uploadPopup .progress-status,
#pcbUploadPopup .progress-status { text-align: center; color: var(--color-text-muted); font-size: 12px; }

/* Bulk Upload Progress */
#pcbUploadPopup .bulk-progress-container {
    background: var(--bg-input, #f8f9fa);
    border-radius: var(--radius-lg, 10px);
    padding: 16px 18px;
    margin-bottom: 16px;
    border: 1px solid var(--border-light, #e8ecef);
    box-shadow: var(--shadow-sm, 0 2px 4px rgba(0,0,0,0.1));
}

#pcbUploadPopup .bulk-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light, #e8ecef);
}

#pcbUploadPopup .bulk-progress-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-primary, #2c3e50);
    display: flex;
    align-items: center;
    gap: 8px;
}

#pcbUploadPopup .bulk-progress-title::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--color-primary, #2d8998);
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

#pcbUploadPopup .bulk-progress-count {
    font-weight: 700;
    font-size: 15px;
    color: var(--color-primary, #2d8998);
    background: var(--color-primary-light, #e3f2fd);
    padding: 4px 12px;
    border-radius: var(--radius-md, 8px);
}

#pcbUploadPopup .bulk-progress-bar {
    width: 100%;
    height: 10px;
    background: var(--bg-input-disabled, #ecf0f1);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 12px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

#pcbUploadPopup .bulk-progress-segments {
    display: flex;
    height: 100%;
    width: 100%;
    gap: 2px;
}

#pcbUploadPopup .bulk-progress-segment {
    flex: 1;
    height: 100%;
    background: var(--border-light, #e8ecef);
    border-radius: 3px;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

#pcbUploadPopup .bulk-progress-segment.pending {
    background: var(--border-light, #e8ecef);
}

#pcbUploadPopup .bulk-progress-segment.uploading {
    background: linear-gradient(90deg, var(--color-primary, #2d8998), var(--color-primary-dark, #246b78));
    box-shadow: 0 0 8px rgba(45, 137, 152, 0.5);
    animation: pulse-segment 1s ease-in-out infinite;
}

#pcbUploadPopup .bulk-progress-segment.success {
    background: var(--color-success, #4caf50);
}

#pcbUploadPopup .bulk-progress-segment.failed {
    background: var(--color-error, #e74c3c);
}

#pcbUploadPopup .bulk-progress-segment.skipped {
    background: var(--color-warning, #f57f17);
}

@keyframes pulse-segment {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

#pcbUploadPopup .bulk-progress-status {
    text-align: center;
    color: var(--color-text-secondary, #555);
    font-size: 12px;
    margin-bottom: 14px;
    font-weight: 500;
}

#pcbUploadPopup .bulk-progress-list {
    max-height: 160px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-right: 4px;
}

#pcbUploadPopup .bulk-progress-list::-webkit-scrollbar {
    width: 6px;
}

#pcbUploadPopup .bulk-progress-list::-webkit-scrollbar-track {
    background: var(--bg-input-disabled, #ecf0f1);
    border-radius: 3px;
}

#pcbUploadPopup .bulk-progress-list::-webkit-scrollbar-thumb {
    background: var(--border-medium, #b0bec5);
    border-radius: 3px;
}

#pcbUploadPopup .bulk-progress-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: #fff;
    border-radius: var(--radius-sm, 6px);
    font-size: 12px;
    border: 1px solid var(--border-light, #e8ecef);
    transition: var(--transition-fast, all 0.2s ease);
}

#pcbUploadPopup .bulk-progress-item:hover {
    background: var(--bg-hover, #f0f7ff);
}

#pcbUploadPopup .bulk-progress-item .item-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--bg-input-disabled, #ecf0f1);
}

#pcbUploadPopup .bulk-progress-item .item-icon svg {
    width: 14px;
    height: 14px;
}

#pcbUploadPopup .bulk-progress-item.pending .item-icon {
    color: var(--color-text-muted, #7f8c8d);
    background: var(--bg-input-disabled, #ecf0f1);
}

#pcbUploadPopup .bulk-progress-item.uploading .item-icon {
    color: #fff;
    background: var(--color-primary, #2d8998);
    animation: spin 1s linear infinite;
}

#pcbUploadPopup .bulk-progress-item.success .item-icon {
    color: #fff;
    background: var(--color-success, #4caf50);
}

#pcbUploadPopup .bulk-progress-item.failed .item-icon {
    color: #fff;
    background: var(--color-error, #e74c3c);
}

#pcbUploadPopup .bulk-progress-item.skipped .item-icon {
    color: #fff;
    background: var(--color-warning, #f57f17);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

#pcbUploadPopup .bulk-progress-item .item-name {
    flex: 1;
    color: var(--color-text-primary, #2c3e50);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

#pcbUploadPopup .bulk-progress-item .item-status {
    font-size: 11px;
    color: var(--color-text-muted, #7f8c8d);
    font-weight: 500;
}

#pcbUploadPopup .bulk-progress-item.uploading .item-status {
    color: var(--color-primary, #2d8998);
}

#pcbUploadPopup .bulk-progress-item.success .item-status {
    color: var(--color-success, #4caf50);
}

#pcbUploadPopup .bulk-progress-item.failed .item-status {
    color: var(--color-error, #e74c3c);
}

#pcbUploadPopup .bulk-progress-item.skipped .item-status {
    color: var(--color-warning, #f57f17);
}

/* Override action button in failed items */
#pcbUploadPopup .bulk-progress-item .item-action {
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm, 6px);
    cursor: pointer;
    transition: var(--transition-fast, all 0.2s ease);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#pcbUploadPopup .bulk-progress-item .item-action.override-btn {
    background: var(--color-warning, #f57f17);
    color: #fff;
}

#pcbUploadPopup .bulk-progress-item .item-action.override-btn:hover {
    background: #e65100;
    box-shadow: 0 2px 8px rgba(245, 127, 23, 0.4);
}

#pcbUploadPopup .bulk-progress-item.success .item-status {
    color: var(--color-success, #22c55e);
}

#pcbUploadPopup .bulk-progress-item.failed .item-status {
    color: var(--color-error, #ef4444);
}

#uploadPopup .esp32-files,
#pcbUploadPopup .esp32-files { display: none; }
#uploadPopup .esp32-files.show,
#pcbUploadPopup .esp32-files.show { display: block !important; }
#uploadPopup .esp32-files.show .offset-config,
#pcbUploadPopup .esp32-files.show .offset-config { display: block !important; visibility: visible !important; }
#uploadPopup .esp32-files.show .offset-input,
#pcbUploadPopup .esp32-files.show .offset-input { display: block !important; visibility: visible !important; }
#uploadPopup .esp32-files-grid,
#pcbUploadPopup .esp32-files-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 15px; align-items: stretch; }
#uploadPopup .esp32-files-grid .esp32-file-area,
#pcbUploadPopup .esp32-files-grid .esp32-file-area { margin-top: 0 !important; display: flex; flex-direction: column; }
#uploadPopup .esp32-files-grid .file-upload-area.esp32-file-area,
#pcbUploadPopup .esp32-files-grid .file-upload-area.esp32-file-area { 
    min-height: 180px; 
    display: flex; 
    flex-direction: column; 
    justify-content: center; 
    align-items: center; 
    flex: 1 1 auto; 
    padding: 20px 15px;
    box-sizing: border-box;
}

#uploadPopup .esp32-files-grid .file-upload-area.esp32-file-area h3,
#pcbUploadPopup .esp32-files-grid .file-upload-area.esp32-file-area h3,
#uploadPopup .esp32-files-grid .file-upload-area.esp32-file-area p,
#pcbUploadPopup .esp32-files-grid .file-upload-area.esp32-file-area p {
    margin: 0;
    padding: 0;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

#uploadPopup .esp32-files-grid .file-upload-area.esp32-file-area .upload-icon,
#pcbUploadPopup .esp32-files-grid .file-upload-area.esp32-file-area .upload-icon {
    margin-bottom: 8px;
    flex-shrink: 0;
}

#uploadPopup .esp32-files-grid .file-upload-area.esp32-file-area .file-type-hint,
#pcbUploadPopup .esp32-files-grid .file-upload-area.esp32-file-area .file-type-hint {
    margin-top: 6px;
    flex-shrink: 0;
}

#uploadPopup .offset-config,
#pcbUploadPopup .offset-config { 
    background: var(--bg-card) !important; 
    padding: 18px !important; 
    border-radius: var(--radius-md); 
    margin-bottom: 20px !important; 
    border: 1px solid var(--border-light) !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative;
    z-index: 1;
}

#uploadPopup .offset-config label,
#pcbUploadPopup .offset-config label {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
    display: block;
}

#uploadPopup .offset-input,
#pcbUploadPopup .offset-input { 
    font-family: monospace;
    width: 100% !important;
    min-width: 0;
    min-height: 40px !important;
    padding: 10px 12px !important;
    border: 2px solid var(--border-light) !important;
    border-radius: var(--radius-sm);
    background: var(--bg-input) !important;
    color: var(--color-text-primary) !important;
    font-size: 11px;
    box-sizing: border-box;
    transition: var(--transition-fast, border-color 0.2s ease);
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative;
    z-index: 1;
}

#uploadPopup .offset-input::placeholder,
#pcbUploadPopup .offset-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.7;
}

#uploadPopup .offset-input:focus,
#pcbUploadPopup .offset-input:focus {
    outline: none;
    box-shadow: var(--shadow-focus-glow);
    border-color: transparent;
}

#uploadPopup .offset-label,
#pcbUploadPopup .offset-label {
    font-size: 10px;
    font-weight: normal;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
    display: block;
}

#uploadPopup .markdown-hint,
#pcbUploadPopup .markdown-hint { 
    margin-bottom: 10px; 
    background: var(--bg-hover); 
    padding: 12px; 
    border-radius: var(--radius-sm); 
    border-left: 4px solid var(--color-primary); 
    font-size: 11px;
}

#uploadPopup .release-notes-container,
#pcbUploadPopup .release-notes-container { 
    display: grid; 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: 16px; 
    margin-bottom: 15px; 
}

#uploadPopup .release-notes-container > div,
#pcbUploadPopup .release-notes-container > div {
    min-width: 0;
}

#uploadPopup .markdown-editor,
#pcbUploadPopup .markdown-editor { 
    font-family: 'Courier New', monospace; 
    font-size: 11px; 
    line-height: 1.6; 
    width: 100%; 
    height: 300px; 
    min-height: 300px; 
    max-height: 300px; 
    resize: vertical; 
    padding: 13px 15px; 
    border: 2px solid var(--border-light); 
    border-radius: var(--radius-md); 
    background: var(--bg-input); 
    overflow-y: auto;
    box-sizing: border-box;
    resize: none;
}

/* Live Preview Container - maintains layout */
#uploadPopup .live-preview-container,
#pcbUploadPopup .live-preview-container {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-input);
    transition: var(--transition-fast, border-color 0.2s ease);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
}

/* Live Preview - Using EXACT same styles as Release Notes */
#uploadPopup .live-preview,
#pcbUploadPopup .live-preview {
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--color-border, #e5e7eb);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    line-height: 1.4;
    cursor: text;
    width: 335px;
    height: 165px;
    overflow-y: auto;
    transition: var(--transition-fast, background-color 0.2s);
    margin: 0 auto;
}

/* Custom scrollbar - dot style */
#uploadPopup .live-preview::-webkit-scrollbar,
#pcbUploadPopup .live-preview::-webkit-scrollbar {
    width: 6px;
}

#uploadPopup .live-preview::-webkit-scrollbar-track,
#pcbUploadPopup .live-preview::-webkit-scrollbar-track {
    background: transparent;
}

#uploadPopup .live-preview::-webkit-scrollbar-thumb,
#pcbUploadPopup .live-preview::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
    min-height: 30px;
}

#uploadPopup .live-preview::-webkit-scrollbar-thumb:hover,
#pcbUploadPopup .live-preview::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

#uploadPopup .live-preview:hover,
#pcbUploadPopup .live-preview:hover {
    background-color: var(--bg-input);
}

#uploadPopup .live-preview h1,
#pcbUploadPopup .live-preview h1,
#uploadPopup .live-preview h2,
#pcbUploadPopup .live-preview h2,
#uploadPopup .live-preview h3,
#pcbUploadPopup .live-preview h3,
#uploadPopup .live-preview h4,
#pcbUploadPopup .live-preview h4,
#uploadPopup .live-preview h5,
#pcbUploadPopup .live-preview h5,
#uploadPopup .live-preview h6,
#pcbUploadPopup .live-preview h6 {
    font-family: 'Proxima Nova Condensed', sans-serif;
    font-weight: 600;
    font-size: 18px;
    color: var(--color-text-primary, #2c3e50);
    padding-bottom: 0px;
    margin: 0;
}

#uploadPopup .live-preview p,
#pcbUploadPopup .live-preview p {
    font-family: 'Proxima Nova Condensed', sans-serif;
    font-weight: normal;
    font-size: 14px;
    padding-bottom: 0px;
    margin: 0;
    color: var(--color-text-secondary, #34495e);
}

#uploadPopup .live-preview ul,
#pcbUploadPopup .live-preview ul,
#uploadPopup .live-preview ol,
#pcbUploadPopup .live-preview ol {
    padding-bottom: 0px;
    margin: 0;
    padding-left: 2rem;
}

#uploadPopup .live-preview li,
#pcbUploadPopup .live-preview li {
    font-family: 'Proxima Nova Condensed', sans-serif;
    font-weight: normal;
    font-size: 14px;
    padding-bottom: 0px;
    margin: 0;
    color: var(--color-text-secondary, #34495e);
}

#uploadPopup .live-preview strong,
#pcbUploadPopup .live-preview strong,
#uploadPopup .live-preview b,
#pcbUploadPopup .live-preview b {
    font-family: 'Proxima Nova Condensed', sans-serif;
    font-weight: 600;
    font-size: 14px;
}

#uploadPopup .live-preview em,
#pcbUploadPopup .live-preview em,
#uploadPopup .live-preview i,
#pcbUploadPopup .live-preview i {
    font-family: 'Proxima Nova Condensed', sans-serif;
    font-weight: normal;
    font-style: italic;
    font-size: 14px;
}

#uploadPopup .live-preview hr,
#pcbUploadPopup .live-preview hr {
    border: none;
    border-top: 2px solid var(--color-border, #e5e7eb);
    padding-bottom: 0px;
    margin: 0;
}

#uploadPopup .live-preview .bold,
#pcbUploadPopup .live-preview .bold {
    font-family: 'Proxima Nova Condensed', sans-serif;
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-primary, #2c3e50);
}

#uploadPopup .live-preview .italic,
#pcbUploadPopup .live-preview .italic {
    font-family: 'Proxima Nova Condensed', sans-serif;
    font-weight: normal;
    font-style: italic;
    font-size: 14px;
}

#uploadPopup .live-preview .empty-line,
#pcbUploadPopup .live-preview .empty-line {
    height: 0.5rem;
}

/* Additional popup-specific styles */
#uploadPopup .hint,
#pcbUploadPopup .hint { 
    font-size: 10px; 
    color: var(--color-text-disabled); 
    margin-top: 6px; 
}

#uploadPopup .hint.important,
#pcbUploadPopup .hint.important { 
    color: var(--color-primary); 
    font-weight: 500; 
}

/* Loading spinner */
#uploadPopup .loading-spinner,
#pcbUploadPopup .loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spinner-rotate 0.8s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

@keyframes spinner-rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

#uploadPopup .upload-icon,
#pcbUploadPopup .upload-icon { 
    font-size: 40px; 
    margin-bottom: 12px; 
    filter: grayscale(100%); 
    opacity: 0.6; 
}

#uploadPopup .file-icon,
#pcbUploadPopup .file-icon { 
    font-size: 26px; 
    filter: grayscale(100%); 
    opacity: 0.6; 
}

#uploadPopup .file-type-hint,
#pcbUploadPopup .file-type-hint { 
    font-size: 10px; 
    margin-top: 10px; 
}

#uploadPopup .editor-label,
#pcbUploadPopup .editor-label { 
    font-size: 11px; 
    color: var(--color-text-secondary); 
    font-weight: 600;
    margin-bottom: 6px; 
    display: block; 
}

#uploadPopup .preview-placeholder,
#pcbUploadPopup .preview-placeholder { 
    color: var(--color-text-disabled); 
    text-align: center; 
    margin-top: 50px; 
}

#uploadPopup .file-input,
#pcbUploadPopup .file-input { 
    display: none; 
}

/* Modal styles scoped to popup */
#uploadPopup .modal,
#pcbUploadPopup .modal {
    display: none;
    position: fixed;
    z-index: 2100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: fadeIn 0.3s;
    align-items: center;
    justify-content: center;
}
#uploadPopup .modal-content,
#pcbUploadPopup .modal-content {
    background-image: url("../../images/bg_noise.webp"), linear-gradient(180deg, var(--color-bg-gradient-top, #f8f8f7), var(--color-bg-gradient-bottom, #f1f0ee));
    background-position: 0 0, 0 0;
    background-size: auto, auto;
    border: 1px solid var(--color-border, #dddfe0);
    padding: 2rem;
    border-radius: 1.25rem; /* Consistent with other modals */
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
#uploadPopup .modal-header,
#pcbUploadPopup .modal-header {
    margin-bottom: 1.5rem;
    text-align: center;
}
#uploadPopup .modal-header h2,
#pcbUploadPopup .modal-header h2 {
    color: var(--color-text-primary, #2c3e50);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}
#uploadPopup .modal-body,
#pcbUploadPopup .modal-body {
    margin-bottom: 1.5rem;
    color: var(--color-text-secondary, #555);
    line-height: 1.6;
    text-align: center;
}
#uploadPopup .modal-body p,
#pcbUploadPopup .modal-body p {
    margin-bottom: 10px;
}
#uploadPopup .firmware-id-display,
#pcbUploadPopup .firmware-id-display {
    font-family: monospace;
    background: var(--bg-input);
    padding: 10px;
    border-radius: var(--radius-md);
    margin: 15px 0;
    border: 1px solid var(--color-border, #dddfe0);
    color: var(--color-text-primary, #2c3e50);
}
#uploadPopup .warning-text,
#pcbUploadPopup .warning-text {
    margin-top: 15px;
    color: var(--color-error, #c0392b);
    font-weight: 600;
}
#uploadPopup .modal-footer,
#pcbUploadPopup .modal-footer {
    display: flex;
    gap: 12px;
    justify-content: center;
}
#uploadPopup .modal-btn,
#pcbUploadPopup .modal-btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    min-width: 120px;
}
#uploadPopup .modal-btn-cancel,
#pcbUploadPopup .modal-btn-cancel {
    background: var(--color-bg-input-disabled, #ecf0f1);
    color: var(--color-text-secondary, #555);
    border: none;
}
#uploadPopup .modal-btn-cancel:hover,
#pcbUploadPopup .modal-btn-cancel:hover {
    background: #bdc3c7;
    color: var(--color-text-primary, #2c3e50);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
#uploadPopup .modal-btn-cancel:active,
#pcbUploadPopup .modal-btn-cancel:active {
    transform: translateY(0);
}
#uploadPopup .modal-btn-confirm,
#pcbUploadPopup .modal-btn-confirm {
    background: var(--color-primary);
    color: #fff;
    border: none;
}
#uploadPopup .modal-btn-confirm:hover,
#pcbUploadPopup .modal-btn-confirm:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(45, 137, 152, 0.4);
}
#uploadPopup .modal-btn-confirm:active,
#pcbUploadPopup .modal-btn-confirm:active {
    transform: translateY(0);
    background: var(--color-primary-darkest, #1d5561);
}

/* Modal-like card inside popup */
#uploadPopup .modal-card,
#pcbUploadPopup .modal-card {
    background: var(--bg-card);
    border: 1px solid var(--color-border, #dddfe0);
    border-radius: 1.25rem; /* Consistent with other modals */
    box-shadow: var(--shadow-xl);
    padding: 2rem;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 900px) { 
    #uploadPopup .release-notes-container,
    #pcbUploadPopup .release-notes-container { 
        grid-template-columns: 1fr; 
    }
}

@media (max-width: 768px) {
    #uploadPopup .form-row,
    #pcbUploadPopup .form-row {
        grid-template-columns: 1fr;
    }
    
    #uploadPopup .esp32-files-grid,
    #pcbUploadPopup .esp32-files-grid {
        grid-template-columns: 1fr;
    }
    
    #uploadPopup .popup-content,
    #pcbUploadPopup .popup-content {
        margin: 1rem auto 1rem auto;
        padding: 0 0.5rem;
        max-height: calc(100vh - 2rem);
    }
    
    #uploadPopup .upload-popup-header,
    #pcbUploadPopup .upload-popup-header {
        padding: 1rem 1.25rem;
    }
    
    #uploadPopup .upload-popup-header h2,
    #pcbUploadPopup .upload-popup-header h2 {
        font-size: 1.1rem;
    }
    
    #uploadPopup .upload-popup-body,
    #pcbUploadPopup .upload-popup-body {
        padding: 1.25rem;
    }
    
    #uploadPopup .upload-popup-footer,
    #pcbUploadPopup .upload-popup-footer {
        padding: 1rem 1.25rem;
    }
    
    #uploadPopup .upload-popup-footer-buttons,
    #pcbUploadPopup .upload-popup-footer-buttons {
        flex-direction: column-reverse;
    }
    
    #uploadPopup .upload-popup-footer .submit-btn,
    #uploadPopup .upload-popup-footer .modal-btn-cancel,
    #pcbUploadPopup .upload-popup-footer .submit-btn,
    #pcbUploadPopup .upload-popup-footer .modal-btn-cancel {
        width: 100%;
        min-width: unset;
    }
}

/* ==================== DARK MODE ==================== */
@media (prefers-color-scheme: dark) {
    /* Update CSS variables for dark mode */
    #uploadPopup {
        --color-text-primary: #e5e7eb;
        --color-text-secondary: #cbd5e1;
        --color-text-muted: #94a3b8;
        --color-text-disabled: #64748b;
        --color-text-light: #cbd5e1;
        --bg-card: #0f1113;
        --bg-input: #111315;
        --bg-input-disabled: #0a0b0c;
        --bg-hover: #1a1d21;
        --border-light: rgba(255,255,255,0.12);
        --border-medium: rgba(255,255,255,0.2);
        --border-focus: #2d8998;
    }
    
    /* Popup backdrop */
    #uploadPopup {
        background: rgba(0, 0, 0, 0.7);
    }
    
    /* Upload form background */
    #uploadPopup .upload-form {
        background-image: none;
        background: var(--color-bg-input-disabled, #0a0b0c);
        border-color: var(--color-border);
    }
    
    /* Form inputs */
    #uploadPopup .form-group input[type="text"],
    #uploadPopup .form-group select,
    #uploadPopup .form-group textarea {
        background: var(--bg-input);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }
    
    #uploadPopup .form-group input[type="text"]:focus,
    #uploadPopup .form-group select:focus,
    #uploadPopup .form-group textarea:focus {
        box-shadow: var(--shadow-focus-glow);
        border-color: transparent;
        background: var(--bg-hover);
    }
    
    #uploadPopup .form-group input[type="text"]::placeholder,
    #uploadPopup .form-group textarea::placeholder {
        color: #64748b;
    }
    
    /* Dropdown option styling - Dark mode */
    #uploadPopup .form-group select option {
        background: #111315;
        color: #e5e7eb;
        padding: 8px 12px;
    }
    
    #uploadPopup .form-group select option:hover,
    #uploadPopup .form-group select option:focus,
    #uploadPopup .form-group select option:active,
    #uploadPopup .form-group select option:checked {
        background: #3f4550 !important;
        background-color: #3f4550 !important;
        color: #ffffff !important;
    }
    
    /* Firefox specific - Dark mode */
    #uploadPopup .form-group select option:hover {
        background: #3f4550 !important;
        color: #ffffff !important;
    }
    
    /* WebKit browsers specific - Dark mode */
    #uploadPopup .form-group select option:hover:not(:disabled) {
        background: linear-gradient(#3f4550, #3f4550) !important;
        color: #ffffff !important;
    }
    
    /* Labels */
    #uploadPopup .form-group label,
    #uploadPopup .offset-label,
    #uploadPopup .editor-label {
        color: #cbd5e1;
    }
    
    /* Hints */
    #uploadPopup .hint {
        color: #64748b;
    }
    
    #uploadPopup .hint.important {
        color: var(--color-primary);
    }
    
    /* File upload areas */
    #uploadPopup .file-upload-area {
        background: var(--bg-input);
        border-color: var(--border-medium);
        color: var(--color-text-secondary);
    }
    
    #uploadPopup .file-upload-area:hover {
        border-color: var(--color-primary);
        background: var(--bg-hover);
    }
    
    #uploadPopup .file-upload-area.dragover {
        border-color: var(--color-primary);
        background: rgba(45, 137, 152, 0.15);
    }
    
    #uploadPopup .file-upload-area.has-files {
        border-color: var(--color-success);
        background: rgba(76, 175, 80, 0.1);
    }
    
    #uploadPopup .file-upload-area h3,
    #uploadPopup .file-upload-area p {
        color: #cbd5e1;
    }
    
    #uploadPopup .file-type-hint {
        color: #64748b;
    }
    
    /* File items */
    #uploadPopup .file-item { 
        background: var(--bg-input); 
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }
    
    #uploadPopup .file-name,
    #uploadPopup .file-size,
    #uploadPopup .file-md5 {
        color: #cbd5e1;
    }
    
    /* Offset config */
    #uploadPopup .offset-config { 
        background: var(--bg-input); 
        border-color: var(--color-border); 
    }
    
    #uploadPopup .offset-input {
        background: var(--bg-input-disabled);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }
    
    #uploadPopup .offset-input:focus {
        box-shadow: var(--shadow-focus-glow);
        border-color: transparent;
        background: var(--bg-input);
    }
    
    /* ESP32 files grid */
    #uploadPopup .esp32-files-grid .esp32-file-area {
        background: transparent;
    }
    
    /* Markdown hint */
    #uploadPopup .markdown-hint { 
        background: #0e1726;
        border-color: var(--color-primary);
        color: #cbd5e1;
    }
    
    #uploadPopup .markdown-hint code {
        background: rgba(255,255,255,0.1);
        color: #94d3f0;
        padding: 2px 4px;
        border-radius: 3px;
    }
    
    /* Markdown editor and preview */
    #uploadPopup .markdown-editor {
        background: var(--bg-input-disabled);
        border-color: var(--color-border);
        color: var(--color-text-primary);
    }
    
    #uploadPopup .markdown-editor:focus {
        box-shadow: var(--shadow-focus-glow);
        border-color: transparent;
        background: var(--bg-input);
    }
    
    #uploadPopup .live-preview {
        background: var(--bg-card);
        border-color: var(--color-border);
        color: var(--color-text-secondary);
    }
    
    #uploadPopup .live-preview:hover {
        background: var(--bg-input);
    }
    
    /* Dark mode scrollbar */
    #uploadPopup .live-preview::-webkit-scrollbar-thumb {
        background: #4a5568;
    }
    
    #uploadPopup .live-preview::-webkit-scrollbar-thumb:hover {
        background: #64748b;
    }
    
    #uploadPopup .preview-placeholder {
        color: #64748b;
    }
    
    /* Dark mode - Live Preview text styling */
    #uploadPopup .live-preview h1,
    #uploadPopup .live-preview h2,
    #uploadPopup .live-preview h3,
    #uploadPopup .live-preview h4,
    #uploadPopup .live-preview h5,
    #uploadPopup .live-preview h6 {
        color: #e5e7eb;
    }
    
    #uploadPopup .live-preview strong,
    #uploadPopup .live-preview b,
    #uploadPopup .live-preview .bold {
        color: #e5e7eb;
    }
    
    #uploadPopup .live-preview hr {
        border-top-color: rgba(255, 255, 255, 0.12);
    }
    
    #uploadPopup .live-preview code {
        background: #1a1d21;
        color: #f472b6;
        border-color: rgba(255, 255, 255, 0.12);
    }
    
    #uploadPopup .live-preview pre {
        background: #1a1d21;
        border-color: rgba(255, 255, 255, 0.12);
    }
    
    #uploadPopup .live-preview pre code {
        color: #cbd5e1;
    }
    
    #uploadPopup .live-preview blockquote {
        background: #0a0b0c;
        border-left-color: #2d8998;
        color: #94a3b8;
    }
    
    #uploadPopup .live-preview a {
        color: #60a5fa;
        text-decoration: underline;
    }
    
    #uploadPopup .live-preview a:hover {
        color: #93c5fd;
    }
    
    #uploadPopup .live-preview p,
    #uploadPopup .live-preview li {
        color: #cbd5e1;
    }
    
    /* Progress bar */
    #uploadPopup .progress-bar {
        background: #111315;
    }
    
    #uploadPopup .progress-status {
        color: #94a3b8;
    }
    
    /* Submit button */
    #uploadPopup .submit-btn {
        background: var(--color-primary);
        color: #fff;
    }
    
    #uploadPopup .submit-btn:hover {
        background: var(--color-primary-dark);
        transform: none;
        box-shadow: none;
    }
    
    #uploadPopup .submit-btn:disabled {
        background: #2a2d31;
        color: #64748b;
    }
    
    /* Remove file button */
    #uploadPopup .remove-file {
        background: #e74c3c;
        color: #fff;
    }
    
    #uploadPopup .remove-file:hover {
        background: #c0392b;
    }
    
    /* Modal card */
    #uploadPopup .modal-card { 
        background: #0f1113; 
        border-color: rgba(255,255,255,0.12);
    }
    
    /* Modal buttons */
    #uploadPopup .modal-btn-cancel {
        background: transparent;
        color: #7f8c8d;
        border: none;
    }
    
    #uploadPopup .modal-btn-cancel:hover {
        background: rgba(127, 140, 141, 0.1);
        color: #2c3e50;
    }
    
    #uploadPopup .modal-btn-confirm {
        background: transparent;
        color: #e74c3c;
        border: none;
    }
    
    #uploadPopup .modal-btn-confirm:hover {
        background: rgba(231, 76, 60, 0.1);
        color: #c0392b;
    }
    
    /* Modal content */
    #uploadPopup .modal-content {
        background: var(--bg-card);
        border: 1px solid var(--color-border);
    }
    
    #uploadPopup .modal-body {
        color: var(--color-text-secondary);
    }
    
    #uploadPopup .firmware-id-display {
        background: var(--bg-input);
        color: var(--color-text-primary);
        border: 1px solid var(--color-border);
    }
    
    #uploadPopup .warning-text {
        color: #f87171;
    }
    
    /* Loading spinner */
    #uploadPopup .loading-spinner {
        border-color: rgba(255,255,255,0.2);
        border-top-color: var(--color-primary);
    }
    
    /* Radio buttons */
    #uploadPopup .radio-option label {
        color: #cbd5e1;
    }
    
    /* Header and Footer dark mode */
    #uploadPopup .upload-popup-header,
    #uploadPopup .upload-popup-footer,
    #pcbUploadPopup .upload-popup-header,
    #pcbUploadPopup .upload-popup-footer {
        background-image: none;
        background: var(--color-bg-input-disabled, #0a0b0c);
        border-color: var(--border-light);
    }
    
    #uploadPopup .upload-popup-header h2,
    #pcbUploadPopup .upload-popup-header h2 {
        color: var(--color-text-primary);
    }
    
    /* Body scrollbar dark mode */
    #uploadPopup .upload-popup-body,
    #pcbUploadPopup .upload-popup-body {
        scrollbar-color: #4a5568 transparent;
    }
    
    #uploadPopup .upload-popup-body::-webkit-scrollbar-thumb,
    #pcbUploadPopup .upload-popup-body::-webkit-scrollbar-thumb {
        background: #4a5568;
    }
    
    #uploadPopup .upload-popup-body::-webkit-scrollbar-thumb:hover,
    #pcbUploadPopup .upload-popup-body::-webkit-scrollbar-thumb:hover {
        background: #64748b;
    }
}



/* PCB Upload Form - File upload areas in a row */
#pcbUploadPopup .pcb-files-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

#pcbUploadPopup .pcb-file-group {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

#pcbUploadPopup .pcb-file-upload-area {
    min-height: 150px;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#pcbUploadPopup .pcb-file-upload-area h3 {
    font-size: 12px;
    margin: 8px 0 4px 0;
    font-weight: 600;
}

#pcbUploadPopup .pcb-file-upload-area p {
    font-size: 10px;
    margin: 2px 0;
    color: var(--color-text-muted);
}

#pcbUploadPopup .pcb-file-upload-area .upload-icon {
    font-size: 30px;
    margin-bottom: 8px;
}

#pcbUploadPopup .pcb-file-upload-area .file-type-hint {
    font-size: 9px;
    margin-top: 4px;
    color: var(--color-text-disabled);
}

#pcbUploadPopup .pcb-file-group .file-list {
    margin-top: 10px;
    font-size: 10px;
}

#pcbUploadPopup .pcb-file-group .file-item {
    padding: 10px;
    font-size: 9px;
}

#pcbUploadPopup .pcb-file-group .file-item .file-name {
    font-size: 9px;
    word-break: break-all;
}

#pcbUploadPopup .pcb-file-group .file-item .file-size,
#pcbUploadPopup .pcb-file-group .file-item .file-md5 {
    font-size: 8px;
}

#pcbUploadPopup .pcb-file-group .form-group {
    margin-bottom: 15px;
}

#pcbUploadPopup .pcb-file-group .form-group label {
    font-size: 10px;
    margin-bottom: 4px;
}

#pcbUploadPopup .pcb-file-group .form-group input {
    padding: 8px 10px;
    font-size: 11px;
}

#pcbUploadPopup .pcb-file-group .hint {
    font-size: 9px;
    margin-top: 2px;
}

/* Responsive: stack on smaller screens */
@media (max-width: 1200px) {
    #pcbUploadPopup .pcb-files-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    #pcbUploadPopup .pcb-file-upload-area {
        min-height: 120px;
    }
}

/* PCB Preview Section */
#pcbUploadPopup .pcb-preview-panel {
    padding: 0.75rem;
    background: var(--color-bg-input, #f8f9fa);
    border-radius: var(--radius-md, 8px);
    border-left: 3px solid var(--color-primary, #2d8998);
}

#pcbUploadPopup .pcb-preview-project-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary, #2c3e50);
    margin-bottom: 0.5rem;
    font-family: monospace;
    word-break: break-all;
}

#pcbUploadPopup .pcb-preview-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary, #2d8998);
    margin-bottom: 0.5rem;
}

#pcbUploadPopup .pcb-preview-files-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

#pcbUploadPopup .pcb-preview-file-item {
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 4px;
    border-left: 2px solid var(--color-primary, #2d8998);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

#pcbUploadPopup .pcb-preview-file-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-primary, #2d8998);
    flex-shrink: 0;
}

#pcbUploadPopup .pcb-preview-file-name {
    font-size: 10px;
    color: var(--color-text-primary, #2c3e50);
    font-family: monospace;
    word-break: break-all;
    flex: 1;
    min-width: 0;
}

#pcbUploadPopup .pcb-preview-file-size {
    font-size: 9px;
    color: var(--color-text-muted, #7f8c8d);
    flex-shrink: 0;
}

#pcbUploadPopup .pcb-preview-file-exists {
    color: #e74c3c;
    font-size: 14px;
    font-weight: bold;
    flex-shrink: 0;
    margin-left: 0.5rem;
    cursor: help;
}

/* ==================== BULK MODE STYLES ==================== */

/* Bulk Mode Indicator */
#pcbUploadPopup .bulk-mode-indicator {
    background: linear-gradient(135deg, #e8f4fd 0%, #d4e8f7 100%);
    border: 2px solid var(--color-primary, #2d8998);
    border-radius: var(--radius-md, 8px);
    padding: 12px;
    margin-top: 10px;
}

#pcbUploadPopup .bulk-mode-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

#pcbUploadPopup .bulk-mode-badge {
    background: var(--color-primary, #2d8998);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

#pcbUploadPopup .bulk-mode-info {
    font-size: 11px;
    color: var(--color-text-secondary, #34495e);
}

/* Bulk ASM Files List */
#pcbUploadPopup .bulk-asm-files-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary, #2d8998) transparent;
}

#pcbUploadPopup .bulk-asm-files-list::-webkit-scrollbar {
    width: 6px;
}

#pcbUploadPopup .bulk-asm-files-list::-webkit-scrollbar-track {
    background: transparent;
}

#pcbUploadPopup .bulk-asm-files-list::-webkit-scrollbar-thumb {
    background: var(--color-primary, #2d8998);
    border-radius: 3px;
}

#pcbUploadPopup .bulk-asm-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-light, #e8ecef);
    transition: var(--transition-fast);
}

#pcbUploadPopup .bulk-asm-file-item:hover {
    border-color: var(--color-primary, #2d8998);
    box-shadow: 0 2px 4px rgba(45, 137, 152, 0.1);
}

#pcbUploadPopup .bulk-asm-file-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

#pcbUploadPopup .bulk-asm-variation-badge {
    background: #f0f7ff;
    color: var(--color-primary, #2d8998);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid var(--color-primary, #2d8998);
}

#pcbUploadPopup .bulk-asm-filename {
    font-size: 10px;
    color: var(--color-text-primary, #2c3e50);
    font-family: monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

#pcbUploadPopup .bulk-asm-version {
    font-size: 9px;
    color: var(--color-text-muted, #7f8c8d);
    white-space: nowrap;
}

#pcbUploadPopup .bulk-asm-remove-btn {
    background: transparent;
    border: none;
    color: #e74c3c;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    opacity: 0.6;
    transition: var(--transition-fast);
}

#pcbUploadPopup .bulk-asm-remove-btn:hover {
    opacity: 1;
    transform: scale(1.2);
}

/* Bulk Preview Container */
#pcbUploadPopup .pcb-bulk-preview-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#pcbUploadPopup .pcb-bulk-preview-container .pcb-preview-panel {
    margin-bottom: 0;
    margin-top: 0.5rem;
}

/* Collapsible preview panels */
#pcbUploadPopup .pcb-bulk-preview-panel {
    cursor: pointer;
}

#pcbUploadPopup .pcb-bulk-preview-panel .pcb-preview-project-name {
    display: flex;
    align-items: center;
    position: relative;
    padding-right: 24px;
}

#pcbUploadPopup .pcb-bulk-preview-panel .collapse-icon {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--color-text-muted, #7f8c8d);
    transition: transform 0.2s ease;
}

#pcbUploadPopup .pcb-bulk-preview-panel.collapsed .collapse-icon {
    transform: translateY(-50%) rotate(-90deg);
}

#pcbUploadPopup .pcb-bulk-preview-panel .pcb-preview-collapsible {
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.2s ease;
    max-height: 500px;
    opacity: 1;
}

#pcbUploadPopup .pcb-bulk-preview-panel.collapsed .pcb-preview-collapsible {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

#pcbUploadPopup .pcb-bulk-preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: linear-gradient(135deg, #2d8998 0%, #246b78 100%);
    border-radius: var(--radius-md, 8px);
    color: white;
}

#pcbUploadPopup .bulk-preview-expand-all {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    transition: background 0.2s ease;
}

#pcbUploadPopup .bulk-preview-expand-all:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Preview image in bulk panels */
#pcbUploadPopup .pcb-preview-image {
    margin-bottom: 10px;
    text-align: center;
}

#pcbUploadPopup .pcb-preview-image img {
    max-width: 100%;
    max-height: 120px;
    border-radius: 6px;
    border: 1px solid var(--border-light, #e8ecef);
    object-fit: contain;
}

#pcbUploadPopup .bulk-preview-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

#pcbUploadPopup .bulk-preview-count {
    font-size: 12px;
    font-weight: 500;
}

/* Bulk Preview Panel Variations */
#pcbUploadPopup .pcb-bulk-preview-panel {
    position: relative;
    transition: var(--transition-base);
    border-left-width: 4px;
}

#pcbUploadPopup .pcb-bulk-preview-panel .variant-number {
    display: inline-block;
    background: var(--color-primary, #2d8998);
    color: white;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    margin-right: 6px;
    flex-shrink: 0;
}

#pcbUploadPopup .pcb-bulk-preview-panel .variant-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    margin-right: 8px;
    flex-shrink: 0;
}

#pcbUploadPopup .pcb-bulk-preview-panel .variant-badge-variation {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffc107;
}

#pcbUploadPopup .pcb-bulk-preview-panel .variant-badge-base {
    background: #d4edda;
    color: #155724;
    border: 1px solid #28a745;
}

#pcbUploadPopup .pcb-bulk-preview-panel.uploading {
    border-left-color: #f39c12;
    background: rgba(243, 156, 18, 0.1);
}

#pcbUploadPopup .pcb-bulk-preview-panel.uploading::after {
    content: '⏳';
    position: absolute;
    right: 10px;
    top: 10px;
    font-size: 16px;
    animation: pulse 1s infinite;
}

#pcbUploadPopup .pcb-bulk-preview-panel.completed {
    border-left-color: #27ae60;
    background: rgba(39, 174, 96, 0.1);
}

#pcbUploadPopup .pcb-bulk-preview-panel.completed::after {
    content: '✓';
    position: absolute;
    right: 10px;
    top: 10px;
    font-size: 16px;
    color: #27ae60;
    font-weight: bold;
}

#pcbUploadPopup .pcb-bulk-preview-panel.failed {
    border-left-color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

#pcbUploadPopup .pcb-bulk-preview-panel.failed::after {
    content: '✕';
    position: absolute;
    right: 10px;
    top: 10px;
    font-size: 16px;
    color: #e74c3c;
    font-weight: bold;
}

#pcbUploadPopup .pcb-bulk-preview-panel.skipped {
    border-left-color: var(--color-warning, #f57f17);
    background: rgba(245, 127, 23, 0.1);
}

#pcbUploadPopup .pcb-bulk-preview-panel.skipped::after {
    content: '⚠';
    position: absolute;
    right: 10px;
    top: 10px;
    font-size: 16px;
    color: var(--color-warning, #f57f17);
    font-weight: bold;
}

/* Shared file indicator */
#pcbUploadPopup .pcb-preview-file-shared {
    font-size: 12px;
    opacity: 0.7;
    flex-shrink: 0;
    cursor: help;
}

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

/* Dark mode for bulk styles */
@media (prefers-color-scheme: dark) {
    #pcbUploadPopup .bulk-mode-indicator {
        background: linear-gradient(135deg, rgba(45, 137, 152, 0.2) 0%, rgba(36, 107, 120, 0.2) 100%);
        border-color: var(--color-primary);
    }
    
    #pcbUploadPopup .bulk-asm-file-item {
        background: var(--bg-input, #111315);
        border-color: var(--border-light);
    }
    
    #pcbUploadPopup .bulk-asm-variation-badge {
        background: rgba(45, 137, 152, 0.2);
    }
    
    #pcbUploadPopup .pcb-bulk-preview-header {
        background: linear-gradient(135deg, #2d8998 0%, #246b78 100%);
    }
}