@font-face {
    font-family: 'Atari';
    src: url('AtariClassic.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* ATRaction - Design System Theme (Informed by atari.org.pl) */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Fira+Sans:wght@400;600;700;900&display=swap');

:root {
    /* Palette matched to atari.org.pl */
    --bg-primary: #ffffff;
    --bg-surface: #f8f9fa;
    --bg-card: #ffffff;
    --bg-hover: #f1f3f5;
    --bg-accent: #fef3e2;
    --bg-header: #181818;

    --border-color: #dce1e7;
    --border-light: #e9ecef;
    --border-accent: #AB5500;

    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --text-title: #562F00;

    --color-primary: #AB5500;
    /* Atari Warm Orange / Brand Accent */
    --color-primary-hover: #884400;
    --color-primary-dark: #562F00;
    /* Dark Rust Brown */
    --color-success: #2e7d32;
    --color-warning: #e65100;
    --color-danger: #c62828;
    --color-info: #0288d1;

    --font-sans: 'Fira Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', 'Noto Sans Mono', monospace;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.15);

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

a:hover {
    text-decoration: underline;
}

/* App Header */
.app-header {
    background-color: var(--bg-header);
    background-image: url('n1.gif?v=20260725');
    background-repeat: repeat-x;
    background-position: center top;
    border-bottom: 3px solid var(--color-primary);
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    height: 34px;
    padding: 0 14px;
    background: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 17px;
    color: #ffffff;
    letter-spacing: -0.5px;
    box-shadow: 0 2px 6px rgba(171, 85, 0, 0.4);
    white-space: nowrap;
}

.brand-title h1 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: #ffffff;
}

.brand-title span {
    font-size: 11px;
    color: #ffb74d;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

/* Active Disk Badge Pill - Centered in Header */
.active-disk-pill {
    margin: 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 16px;
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: var(--radius-md);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25), inset 0 1px 2px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    transition: all 0.25s ease;
}

.active-disk-pill.loaded {
    background: linear-gradient(180deg, rgba(171, 85, 0, 0.6) 0%, rgba(86, 47, 0, 0.75) 100%);
    border-color: rgba(245, 199, 150, 0.65);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.active-disk-icon {
    color: rgba(255, 255, 255, 0.35);
    flex-shrink: 0;
    transition: color 0.2s ease;
}

.active-disk-pill.loaded .active-disk-icon {
    color: #ffb74d;
}

.active-disk-label {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
}

.active-disk-pill.loaded .active-disk-label {
    color: #f5c796;
}

.active-disk-name {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    color: #9e9e9e;
    font-style: italic;
    white-space: nowrap;
}

.active-disk-name.loaded {
    color: #ffffff;
    font-style: normal;
    font-weight: 700;
    letter-spacing: 0.2px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    user-select: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary-hover);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    box-shadow: 0 2px 8px rgba(171, 85, 0, 0.3);
}

.btn-secondary {
    background-color: #ffffff;
    color: #222222;
    border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-hover);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Przycisk Zapisz ATR - Biały z pomarańczowo-brązową obwódką */
#btnSaveDisk,
.btn-success {
    background-color: #ffffff;
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary);
}

#btnSaveDisk:hover:not(:disabled),
.btn-success:hover:not(:disabled) {
    background-color: var(--bg-accent);
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 2px 6px rgba(171, 85, 0, 0.2);
}

.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
    background-color: #b71c1c;
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    box-shadow: none !important;
}

/* Main Container Layout */
.app-container {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    background-color: var(--bg-primary);
}

/* Sidebar */
.app-sidebar {
    width: 330px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 16px;
    gap: 16px;
    overflow-y: auto;
}

.disk-info-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: var(--shadow-sm);
}

.disk-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 8px;
}

.disk-info-header h3 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-primary-dark);
}

.badge {
    padding: 3px 9px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
}

.badge-blue {
    background: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}

/* Badge rozpoznanego formatu - spójny z motywem (nie zielony) */
.badge-green,
.badge-orange,
#dosBadge {
    background: #fef3e2;
    color: var(--color-primary);
    border: 1px solid #f5c796;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.metric-label {
    color: var(--text-secondary);
}

.metric-value {
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    width: 0%;
    transition: width 0.3s ease;
}

/* Directory Tree */
.tree-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tree-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-primary);
    border-bottom: 2px solid #eee;
    padding-bottom: 5px;
    letter-spacing: 0.5px;
}

.tree-view {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.tree-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.tree-item:hover {
    background-color: var(--bg-hover);
    color: var(--color-primary);
}

.tree-item.active {
    background-color: var(--bg-accent);
    color: var(--color-primary);
    font-weight: 700;
    border-left: 3px solid var(--color-primary);
}

/* Main Panel */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    overflow: hidden;
}

.toolbar {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

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

.toolbar-search {
    position: relative;
}

.toolbar-search input {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px 6px 30px;
    border-radius: var(--radius-md);
    font-size: 13px;
    outline: none;
    width: 200px;
    font-family: var(--font-sans);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.toolbar-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(171, 85, 0, 0.15);
}

.toolbar-search svg {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 14px;
    height: 14px;
}

/* File Table */
.file-table-container {
    flex: 1;
    overflow: auto;
    position: relative;
    background-color: #ffffff;
}

.file-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.file-table th {
    position: sticky;
    top: 0;
    background-color: var(--bg-surface);
    color: var(--color-primary-dark);
    font-weight: 700;
    padding: 10px 16px;
    border-bottom: 2px solid var(--color-primary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.file-table td {
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    font-family: var(--font-mono);
    vertical-align: middle;
}

.file-name-cell {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
    gap: 8px;
}

.file-table tbody tr {
    transition: background-color 0.15s ease;
    cursor: pointer;
}

.file-table tbody tr:hover {
    background-color: var(--bg-hover);
}

.file-table tbody tr.selected {
    background-color: var(--bg-accent);
    color: var(--color-primary-dark);
    border-left: 3px solid var(--color-primary);
}

.file-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.file-icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

.file-icon-dir {
    color: var(--color-primary);
}

.file-icon-file {
    color: var(--color-primary-dark);
}

.file-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Empty State / Drop Overlay */
.empty-state {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--text-muted);
    background-color: #ffffff;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--color-primary);
    opacity: 0.6;
}

.drop-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.92);
    border: 3px dashed var(--color-primary);
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--color-primary);
    backdrop-filter: blur(2px);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.drop-overlay.active {
    opacity: 1;
}

/* App Footer / Status Bar */
.app-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 6px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* Modal Dialogs */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius-lg);
    width: 500px;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-lg {
    width: 1150px;
    max-width: 97vw;
}

.modal-xl {
    width: 80vw;
    max-width: 80vw;
}

.modal-header {
    padding: 14px 20px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background-color: var(--bg-surface);
}

/* Form Controls */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(171, 85, 0, 0.15);
}

/* Hex & Text Preview Panels */
.preview-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    gap: 4px;
}

.preview-tab {
    padding: 8px 16px;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: all 0.15s ease;
}

.preview-tab:hover {
    color: var(--color-primary);
}

.preview-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 700;
}

/* Domyślny podgląd pliku - Czarny font na bardzo jasnym szarym tłu */
.preview-content {
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    font-family: 'Fira Code', var(--font-mono);
    font-size: 12.5px;
    line-height: 1.45;
    color: #111827;
    max-height: 480px;
    overflow: auto;
}

#previewHexContent {
    white-space: pre;
    word-break: normal;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
}

#previewTextContent {
    white-space: pre-wrap;
    word-break: break-word;
}

/* Podgląd z fontem Atari - Granatowe tło, font BIAŁY */
.preview-content.use-atari-font,
#previewTextContent.use-atari-font,
#previewHexContent.use-atari-font {
    font-family: 'Atari', monospace !important;
    font-size: 14px !important;
    line-height: 1.00;
    letter-spacing: 0px;
    background-color: #153382 !important;
    color: #ffffff !important;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 460px;
}

.toast {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 20px;
    min-height: 52px;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast-message {
    font-weight: 700;
    word-break: break-word;
}

.toast-icon {
    flex-shrink: 0;
}

.toast-success {
    background-color: var(--bg-accent);
    color: var(--color-primary-dark);
    border-color: #fce7cf;
    border-left: 6px solid var(--color-primary);
}

.toast-error {
    background-color: #fef2f2;
    color: #7f1d1d;
    border-color: #fecaca;
    border-left: 6px solid var(--color-danger);
}

.toast-info {
    background-color: #f0f9ff;
    color: #0369a1;
    border-color: #bae6fd;
    border-left: 6px solid var(--color-info);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

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

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-surface);
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

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

/* Import Result File Lists */
.import-file-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 12px;
    max-height: 140px;
    overflow-y: auto;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    background-color: var(--bg-surface);
}

.import-file-list li {
    padding: 6px 10px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.import-file-list li:last-child {
    border-bottom: none;
}

.import-file-list.success li {
    color: var(--color-success);
}

.import-file-list.failure li {
    color: var(--color-danger);
    background-color: rgba(239, 68, 68, 0.04);
}

.import-file-list .file-error-reason {
    font-size: 11px;
    color: var(--color-danger);
    font-weight: 500;
}