:root {
    color-scheme: light;
    --bg: transparent;
    --panel: #ffffff;
    --panel-light: #f5f8ff;
    --border: #d6dfef;
    --accent: #1a73e8;
    --accent-strong: #0f62fe;
    --text: #0b1933;
    --muted: #5a647a;
    --danger: #d64555;
    --canvas-bg: #ffffff;
    --surface-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(242, 245, 253, 0.98) 50%, rgba(255, 255, 255, 0.98) 100%);
    --input-bg: #ffffff;
    --secondary-bg: #e6edfb;
    --secondary-border: #c7d6f0;
    --ghost-border: #dfe6f5;
    --badge-bg: #e8f1ff;
    --badge-border: #c2d9ff;
    --badge-color: #1b4f9b;
    --ghost-text: #41506a;
    --placeholder-overlay: rgba(255, 255, 255, 0.92);
    --card-shadow: 0 25px 50px rgba(18, 32, 73, 0.1);
}

body.theme-dark {
    color-scheme: dark;
    --bg: #050913;
    --panel: #101826;
    --panel-light: #152132;
    --border: #1f2a3d;
    --accent: #4cc2ff;
    --accent-strong: #57f0b7;
    --text: #f3f6ff;
    --muted: #9fb3cc;
    --danger: #ff6f79;
    --canvas-bg: #000000;
    --surface-gradient: linear-gradient(180deg, rgba(9, 15, 27, 0.94) 0%, rgba(5, 9, 19, 0.94) 70%, rgba(9, 15, 27, 0.94) 100%);
    --input-bg: #0d151f;
    --secondary-bg: #1a2638;
    --secondary-border: #273348;
    --ghost-border: #293349;
    --badge-bg: rgba(76, 194, 255, 0.15);
    --badge-border: rgba(76, 194, 255, 0.35);
    --badge-color: #4cc2ff;
    --ghost-text: #e5ebff;
    --placeholder-overlay: rgba(3, 9, 18, 0.65);
    --card-shadow: 0 25px 45px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    overflow-y: auto;
    min-height: 100vh;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
}

html.modal-open,
body.modal-open {
    overflow: hidden !important;
    height: 100%;
}

.app-shell {
    width: 100%;
    max-width: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 0;
    box-sizing: border-box;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
}

.app-header h1 {
    margin: 0;
    font-size: 1.6rem;
}

.header-actions {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
}

.mode-switcher {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0;
}

.mode-switcher-buttons {
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 2px;
    background: rgba(10, 18, 32, 0.03);
    box-shadow: none;
}

.mode-option {
    border: none;
    background: transparent;
    color: var(--muted);
    font-family: inherit;
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    width: auto;
}

.mode-option.active {
    background: var(--accent);
    color: #fff;
    box-shadow: none;
}

.header-status {
    display: none;
}

.mode-switcher.is-hidden {
    display: none;
}

.classic-outline-control {
    margin-top: 16px;
}

.subtitle {
    margin: 4px 0 0;
    color: var(--muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: var(--badge-bg);
    color: var(--badge-color);
    border: 1px solid var(--badge-border);
}

.badge.muted {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(0, 0, 0, 0.05);
    color: var(--muted);
}

.badge.success {
    background: rgba(87, 240, 183, 0.2);
    border-color: rgba(87, 240, 183, 0.45);
    color: #0c6b4f;
}

.badge.warn {
    background: rgba(255, 190, 122, 0.25);
    border-color: rgba(255, 190, 122, 0.45);
    color: #a14b00;
}

.badge.error {
    background: rgba(255, 111, 121, 0.25);
    border-color: rgba(255, 111, 121, 0.5);
    color: var(--danger);
}

.workspace {
    display: grid;
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    gap: 18px;
    padding: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    width: 100%;
}

.controls-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.panel {
    background: var(--panel);
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: none;
    overflow: hidden;
}

.panel-body {
    padding: 0 18px 18px;
}

.panel.collapsible {
    padding: 0;
}

.panel.collapsible .panel-body {
    display: none;
}

.panel.collapsible.expanded .panel-body {
    display: block;
}

.panel-header {
    width: 100%;
    color: var(--text);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 16px 18px;
    background: rgba(10, 18, 32, 0.03);
    border-bottom: 1px solid var(--border);
}

label.field-label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 0.9rem;
}

input[type="file"],
input[type="number"],
select,
button,
input[type="range"] {
    width: 100%;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
}

input[type="range"] {
    padding: 0;
    height: 28px;
}

.multi-field {
    display: grid;
    gap: 8px;
    margin: 10px 0;
}

.multi-field.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.multi-field label {
    font-size: 0.85rem;
    color: var(--muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.multi-field.dimensions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
    gap: 12px;
    align-items: end;
}
.multi-field.dimensions label {
    flex: 1;
}
.multi-field.dimensions button {
    align-self: end;
    padding: 10px 18px;
}

.button-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 10px 0;
}

.button-row.stacked {
    flex-direction: column;
}

button {
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
    width: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

button.primary {
    background: linear-gradient(120deg, var(--accent), #7df0ff);
    color: #031625;
    border: none;
    font-weight: 600;
}

button.secondary {
    background: var(--panel);
    border: 2px solid var(--secondary-border);
    color: var(--text);
    box-shadow: 0 6px 15px rgba(15, 22, 42, 0.08);
}

button.ghost {
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid var(--ghost-border);
    color: var(--ghost-text);
}

body.theme-dark button.secondary {
    background: var(--secondary-bg);
    box-shadow: none;
}

body.theme-dark button.ghost {
    background: rgba(255, 255, 255, 0.08);
}

button.fluid {
    width: 100%;
}

button.danger {
    border-color: rgba(255, 111, 121, 0.6);
    color: var(--danger);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--muted);
}

.checkbox.inline {
    margin: 0;
}

.canvas-column {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 100%;
    min-width: 0;
}

.canvas-card {
    background: var(--panel);
    border-radius: 18px;
    border: 1px solid var(--border);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    box-shadow: none;
    width: 100%;
    min-width: 0;
    overflow: hidden;
}

.canvas-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    background: rgba(10, 18, 32, 0.03);
    border-radius: 18px 18px 0 0;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.canvas-toolbar .label {
    font-size: 0.85rem;
    color: var(--muted);
    display: block;
    margin-bottom: 4px;
}

.toolbar-hint {
    margin: 0;
    font-size: 0.85rem;
    color: var(--muted);
    text-align: center;
    word-break: break-word;
    max-width: 100%;
    line-height: 1.3;
    display: inline-block;
    max-width: 100%;
}

.toolbar-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: nowrap;
}

.toolbar-buttons button.active {
    border-color: var(--accent);
    color: var(--accent);
}
.toolbar-buttons button {
    white-space: nowrap;
}

.canvas-wrapper {
    overflow: hidden;
    background: #ffffff;
    border: none;
    position: relative;
}

#editorCanvas {
    width: 100%;
    height: auto;
    display: block;
    background: var(--canvas-bg);
    cursor: crosshair;
}

.fine-print {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.4;
}
.range-field {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 6px 0 4px;
}
.range-field input[type="range"] {
    flex: 1;
}
.range-value {
    min-width: 36px;
    text-align: right;
    font-size: 0.85rem;
    color: var(--muted);
}

.status-note {
    color: var(--muted);
    font-size: 0.85rem;
    margin-top: 10px;
}
.panel-body.disabled {
    opacity: 0.55;
}
.is-hidden {
    display: none !important;
}
.hidden-upload {
    display: none;
}
.controls-column .panel-body {
    font-size: 0.9rem;
}
.hidden-upload {
    display: none;
}
.shape-selector select {
    background: var(--panel-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 8px;
    color: var(--text);
}
.toolbar-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}
.toolbar-table td {
    padding: 4px 8px;
    vertical-align: middle;
}
.toolbar-table .timeline-cell {
    width: 25%;
}
.toolbar-table .hint-cell {
    width: 50%;
    text-align: center;
}
.toolbar-table .buttons-cell {
    width: 25%;
    text-align: right;
}
.toolbar-table .timeline-cell input {
    width: 100%;
}
.toolbar-buttons {
    justify-content: flex-end;
    flex-wrap: nowrap;
}
.toolbar-buttons button {
    white-space: nowrap;
}
.canvas-placeholder {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: transparent;
    cursor: pointer;
}
.canvas-placeholder.visible {
    display: flex;
}
.canvas-placeholder .upload-link {
    color: var(--accent);
    text-decoration: underline;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
}
#contextButtonGroup {
    display: inline-flex;
    gap: 12px;
    flex-wrap: wrap;
}
#contextButtonGroup.is-hidden {
    display: none !important;
}
.canvas-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: rgba(10, 18, 32, 0.03);
    padding: 14px 16px 16px;
    border-top: 1px solid var(--border);
    border-radius: 0 0 18px 18px;
}
.footer-row {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-row-primary {
    justify-content: space-between;
}
.footer-row-primary > * {
    flex: 1 1 auto;
    min-width: 0;
}
.active-object-chip {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--muted);
    flex: 1 1 auto;
}
.active-object-label {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-weight: 600;
    color: var(--text);
}
.active-object-label strong {
    font-size: 1rem;
}
.shape-selector {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--muted);
}
.footer-context {
    display: flex;
    justify-content: center;
    flex: 0 0 auto;
}
.footer-unload {
    display: flex;
    justify-content: flex-end;
    flex: 0 0 auto;
}
.footer-row-secondary {
    justify-content: center;
}
.export-inline-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.export-inline-buttons button {
    min-width: 110px;
}

.hidden-controls {
    visibility: hidden;
}

.export-overlay,
.confirm-overlay {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(2, 4, 10, 0.78);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    backdrop-filter: blur(6px);
    z-index: 20;
}
.confirm-overlay {
    z-index: 21;
}
.export-overlay.hidden,
.confirm-overlay.hidden {
    display: none;
}
.export-overlay .modal,
.confirm-overlay .modal {
    background: var(--panel);
    border-radius: 18px;
    padding: 24px;
    width: min(360px, calc(100vw - 48px));
    max-height: calc(100vh - 96px);
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
    margin: auto;
    transform: none;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    overflow: auto;
    box-shadow: var(--card-shadow);
}

.progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    margin: 18px 0 12px;
    position: relative;
}

#exportProgressBar {
    position: absolute;
    inset: 0;
    width: 0;
    background: linear-gradient(120deg, var(--accent), var(--accent-strong));
    border-radius: inherit;
    transition: width 0.15s ease;
}

@media (max-width: 960px) {
    .workspace {
        grid-template-columns: 1fr;
    }
}
.active-object-label {
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 8px;
}

html {
    height: 100%;
}