:root {
    --ink: #0f2133;
    --muted: #5b6b7c;
    --accent: #1b4f72;
    --accent-strong: #153f5b;
    --accent-2: #f2b705;
    --accent-rgb: 27, 79, 114;
    --accent-2-rgb: 242, 183, 5;
    --paper: #f3f6fb;
    --panel: #ffffff;
    --border: #d9e2ec;
    --shadow: 0 16px 34px rgba(15, 33, 51, 0.08);
    --radius: 16px;
}

body.theme-classic {
    --ink: #212529;
    --muted: #6c757d;
    --accent: #0d6efd;
    --accent-strong: #1d4ed8;
    --accent-2: #198754;
    --accent-rgb: 13, 110, 253;
    --accent-2-rgb: 25, 135, 84;
    --paper: #f8f9fa;
    --panel: #ffffff;
    --border: #dee2e6;
    --shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Manrope", "Avenir Next", "Avenir", "Futura", "Gill Sans", "Trebuchet MS", sans-serif;
    background: linear-gradient(180deg, #f7f9fc 0%, #eef2f7 45%, #e8eef6 100%);
    color: var(--ink);
}

.is-hidden {
    display: none !important;
}

.start-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f7f9fc 0%, #eef2f7 100%);
    z-index: 100;
}

.start-card {
    width: min(560px, 92vw);
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

.start-card h2 {
    margin: 0;
    font-size: 20px;
}

.start-form {
    display: flex;
    gap: 10px;
}

.start-form input {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 14px;
}

.start-error {
    min-height: 18px;
    color: #b91c1c;
    font-size: 12px;
}

.start-list {
    margin-top: 6px;
}

.start-list-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 8px;
}

.start-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 260px;
    overflow-y: auto;
}

.start-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 10px;
    cursor: pointer;
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    width: 100%;
    text-align: left;
    color: inherit;
}

.start-item small {
    color: var(--muted);
}

h1, h2 {
    margin: 0;
}

p {
    margin: 6px 0 0;
    color: var(--muted);
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px 8px;
}

.app-header h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.app-header p {
    font-size: 13px;
}

.header-info {
    display: flex;
    gap: 12px;
}

.badge {
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--ink);
}

.app-shell {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 12px;
    padding: 0 16px 16px;
    min-height: calc(100vh - 170px);
}

.top-bar {
    position: sticky;
    top: 12px;
    z-index: 30;
}

.sidebar {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow);
    max-height: calc(100vh - 220px);
}

.sidebar-head {
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.upload-panel {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#uploadInput {
    display: none;
}

.upload-hint {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.4;
}

.sidebar-actions {
    display: flex;
    gap: 8px;
}

.pages {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    max-height: calc(100vh - 360px);
}

.layers-panel {
    padding: 12px 14px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.layers-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.layers-head h3 {
    font-size: 14px;
    margin: 0;
}

.layers-count {
    font-size: 11px;
    color: var(--muted);
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.18);
    padding: 2px 8px;
    border-radius: 999px;
}

.layers-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 240px;
    overflow-y: auto;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.8);
    cursor: pointer;
}

.layer-item.active {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb), 0.1);
}

.layer-item.layer-hidden {
    opacity: 0.55;
}

.layer-title {
    flex: 1;
    font-size: 12px;
    color: var(--ink);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.layer-title small {
    font-size: 11px;
    color: var(--muted);
}

.layer-actions {
    display: flex;
    gap: 4px;
}

.icon-btn {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 8px;
    padding: 2px 6px;
    font-size: 12px;
    color: var(--muted);
    cursor: pointer;
}

.icon-btn.active {
    border-color: var(--accent);
    color: var(--accent);
}

.empty-state {
    padding: 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px dashed rgba(111, 98, 88, 0.3);
    font-size: 12px;
    color: var(--muted);
}

.page-item {
    display: grid;
    grid-template-columns: 20px 64px 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 8px;
    border-radius: 14px;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.75);
    cursor: pointer;
    transition: border 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.page-item:hover {
    transform: translateY(-1px);
    border-color: rgba(var(--accent-rgb), 0.25);
}

.page-item.active {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb), 0.08);
}

.page-item.excluded {
    opacity: 0.55;
}

.page-item img {
    width: 64px;
    height: 42px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.page-name {
    font-size: 12px;
    color: var(--muted);
    word-break: break-all;
}

.page-actions {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.page-actions button {
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 8px;
    padding: 2px 6px;
    font-size: 11px;
    cursor: pointer;
}

.pdf-list {
    border-top: 1px solid var(--border);
    padding: 12px 16px 16px;
    font-size: 12px;
    color: var(--muted);
}

.pdf-list h3 {
    margin: 0 0 6px;
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

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

.toolbar {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    box-shadow: var(--shadow);
    margin: 0 16px 12px;
}

.tool-tabs {
    gap: 6px;
}

.tool-tabs .nav-link {
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    border-radius: 10px;
    padding: 6px 12px;
}

.tool-tabs .nav-link.active {
    background: rgba(var(--accent-rgb), 0.15);
    color: var(--ink);
}

.tool-panels {
    background: #fbfcff;
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 12px;
    padding: 10px 12px;
}

.tool-panels .tab-pane {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.compact-toolbar .tool-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tool-pill {
    border: 1px solid var(--border);
    background: #fff;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tool-pill.active {
    background: rgba(var(--accent-rgb), 0.16);
    border-color: rgba(var(--accent-rgb), 0.35);
    color: var(--ink);
}

.tool-panel {
    display: none;
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 12px;
    padding: 10px 12px;
    background: #fbfcff;
}

.tool-panel.active {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tool-panel .field {
    margin-bottom: 6px;
}

.tool-panel .text-inline {
    gap: 12px;
    row-gap: 10px;
}

.tool-panel .color-swatches {
    margin-bottom: 8px;
}

.tool-panel .text-mini {
    margin-top: 10px;
}

.zoom-row {
    gap: 12px;
    align-items: center;
}

.zoom-field {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.zoom-field input[type="range"] {
    flex: 1;
    width: 100%;
}
.zoom-row .field {
    flex: 1;
}

.advanced-tabs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.advanced-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.adv-tab {
    border: 1px solid var(--border);
    background: #fff;
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
    text-align: left;
    color: var(--muted);
    cursor: pointer;
}

.adv-tab.active {
    background: rgba(var(--accent-rgb), 0.16);
    border-color: rgba(var(--accent-rgb), 0.35);
    color: var(--ink);
}

.advanced-tabs-body {
    border: 1px dashed rgba(148, 163, 184, 0.35);
    border-radius: 12px;
    padding: 10px 12px;
    background: #f8fafc;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.advanced-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.advanced-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
}

.check-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 8px;
    align-items: center;
}

.field.checkbox {
    gap: 8px;
    font-weight: 600;
    color: var(--ink);
}

.advanced-block {
    gap: 8px;
}

.adv-panel {
    display: none;
    flex-direction: column;
    gap: 8px;
}

.adv-panel.active {
    display: flex;
}

.tool-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 12px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 12px;
    min-width: 0;
    background: #fbfcff;
}

.advanced {
    padding: 10px 12px;
}

.advanced summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 12px;
    color: var(--ink);
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px dashed rgba(148, 163, 184, 0.35);
    background: #f8fafc;
}

.advanced summary::-webkit-details-marker {
    display: none;
}

.advanced summary::after {
    content: '▾';
    margin-left: auto;
    font-size: 12px;
    opacity: 0.6;
    transition: transform 0.2s ease;
}

details[open] > summary::after {
    transform: rotate(180deg);
}

.summary-title {
    font-size: 12px;
    font-weight: 700;
}

.summary-sub {
    font-size: 11px;
    color: var(--muted);
    font-weight: 500;
}

.advanced-body {
    margin-top: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transform: translateY(-4px);
    transition: max-height 0.25s ease, opacity 0.2s ease, transform 0.2s ease, margin-top 0.2s ease;
}

details[open] .advanced-body {
    max-height: 520px;
    opacity: 1;
    transform: translateY(0);
    margin-top: 8px;
}

.advanced-body.advanced-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 14px;
}

.advanced-body.advanced-inline .field {
    flex-direction: row;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.advanced-body.advanced-inline .field input[type="text"],
.advanced-body.advanced-inline .field input[type="number"],
.advanced-body.advanced-inline .field select {
    min-width: 140px;
}

.advanced-body.advanced-inline .advanced-hint {
    flex-basis: 100%;
}

.advanced-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border-radius: 10px;
    background: #f7f9fd;
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.advanced-block .field {
    display: grid;
    gap: 4px;
    align-items: start;
}

.advanced-block .field input,
.advanced-block .field select {
    width: 100%;
}

.advanced-hint {
    grid-column: 1 / -1;
    font-size: 11px;
    color: var(--muted);
}

.tool-group-wide {
    grid-column: 1 / -1;
}

.tool-group:last-child {
    border: 1px dashed rgba(108, 117, 125, 0.25);
}

.label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.tool-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tool-buttons-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px;
}

.dropdown-menu {
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 12px;
    padding: 6px;
}

.dropdown-item {
    border-radius: 8px;
    font-size: 13px;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: rgba(var(--accent-rgb), 0.1);
}

.toolbar.is-disabled {
    opacity: 0.55;
    filter: grayscale(0.2);
    pointer-events: none;
}

.color-swatches {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.swatch {
    width: 18px;
    height: 18px;
    border-radius: 6px;
    border: 1px solid rgba(15, 33, 51, 0.2);
    background: var(--swatch, #fff);
    cursor: pointer;
    padding: 0;
}

.swatch:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.tool-group-tools .tool-buttons {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.text-tool .field {
    display: flex;
    align-items: center;
    gap: 6px;
}

.text-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.icon-group {
    display: inline-flex;
    gap: 4px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 4px;
}

.icon-group .icon-btn {
    border: none;
    background: transparent;
    padding: 4px 6px;
    border-radius: 8px;
    color: var(--muted);
}

.icon-group .icon-btn.active {
    background: rgba(var(--accent-rgb), 0.15);
    color: var(--ink);
}

.icon-field {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    font-size: 12px;
}

.icon-field input {
    border: none;
    outline: none;
    width: 70px;
    font-size: 12px;
    background: transparent;
}

.icon-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    font-size: 12px;
    cursor: pointer;
}

.icon-toggle input {
    margin: 0;
}

.text-mini {
    margin-top: 4px;
    border: 1px dashed rgba(148, 163, 184, 0.35);
    border-radius: 10px;
    padding: 6px 8px;
    background: #f8fafc;
}

.mini-title {
    font-size: 11px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 4px;
}

.mini-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.mini-chip {
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 11px;
    color: var(--ink);
}

.page-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
}

.page-row .tool-cluster {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tool-icon {
    font-size: 14px;
    opacity: 0.8;
    margin-right: 6px;
}

button, .tool-btn {
    font-family: inherit;
}

.tool-btn, .ghost, .primary, .danger {
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    padding: 5px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border 0.2s ease;
}

.tool-btn {
    display: inline-flex;
    align-items: center;
}

.tool-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.25);
}

.primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 6px 16px rgba(var(--accent-rgb), 0.25);
}

.primary:hover {
    background: var(--accent-strong);
}

.danger {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
    box-shadow: 0 6px 16px rgba(239, 68, 68, 0.25);
}

.danger:hover {
    background: #dc2626;
}

.ghost {
    background: #f8fafc;
}

.tool-divider {
    width: 1px;
    height: 28px;
    background: var(--border);
    align-self: center;
    margin: 0 4px;
}

.tool-cluster {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.field {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--muted);
}

.field select {
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 4px 8px;
    font-size: 12px;
}

.field input[type="number"],
.field input[type="text"] {
    padding: 4px 8px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 12px;
    min-width: 120px;
}

#pdfName {
    min-width: 240px;
}

.field input[type="range"] {
    width: 120px;
}

.page-indicator {
    font-size: 12px;
    color: var(--muted);
}

.page-indicator-inline {
    align-self: center;
    margin-left: auto;
    background: rgba(var(--accent-rgb), 0.1);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 600;
    color: var(--ink);
}

.canvas-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.canvas-wrap {
    flex: 1;
    background: #fff;
    border-radius: 20px;
    border: 1px solid rgba(var(--accent-rgb), 0.12);
    position: relative;
    overflow: hidden;
    box-shadow: 0 18px 36px rgba(15, 33, 51, 0.08);
    min-height: 520px;
}

.canvas-loading {
    position: absolute;
    inset: 0;
    background: rgba(248, 250, 252, 0.86);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    z-index: 5;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.canvas-loading.active {
    opacity: 1;
    pointer-events: all;
}

.loading-bar {
    width: min(60%, 360px);
    height: 8px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.2);
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.loading-bar span {
    display: block;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transition: width 0.2s ease;
}

.loading-text {
    font-size: 12px;
    color: var(--muted);
}

.text-editor {
    position: absolute;
    min-width: 120px;
    max-width: 60%;
    padding: 6px 8px;
    border: 1px solid rgba(var(--accent-rgb), 0.4);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    font-family: inherit;
    font-size: 16px;
    outline: none;
    z-index: 20;
    box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.12);
    pointer-events: auto;
    resize: vertical;
    line-height: 1.25;
}

#editorCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: var(--panel);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    margin: 0 16px 8px;
}

.status-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
    flex-wrap: wrap;
}

.status-line span {
    background: rgba(var(--accent-rgb), 0.08);
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid rgba(var(--accent-rgb), 0.15);
}

.status-line span.dirty {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #b91c1c;
}

.status-line .status-sep {
    background: transparent;
    border: none;
    padding: 0 2px;
    color: var(--muted);
}

.status-toast {
    margin: 0 16px 8px;
    font-size: 12px;
    color: var(--muted);
}

#replaceInput,
#stickerInput,
#loadProjectInput {
    display: none;
}

.actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-left: auto;
}

.action-primary {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
}

.action-primary:hover {
    background: var(--accent-strong);
}

.tiny {
    font-size: 11px;
    color: var(--muted);
}

.help-panel {
    margin: 0 14px 16px;
    border: 1px dashed rgba(148, 163, 184, 0.35);
    border-radius: 12px;
    padding: 6px 10px;
    background: #f8fafc;
    font-size: 12px;
    color: var(--muted);
}

.help-panel summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--ink);
    list-style: none;
}

.help-panel summary::-webkit-details-marker {
    display: none;
}

.help-panel summary::after {
    content: '▾';
    margin-left: 6px;
    font-size: 12px;
    opacity: 0.6;
}

.help-panel[open] summary::after {
    transform: rotate(180deg);
}

.help-body {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

@media (max-width: 1400px) {
    .advanced-body {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1100px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        max-height: none;
    }

    .canvas-wrap {
        min-height: 420px;
    }

    .status-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .advanced-body {
        grid-template-columns: 1fr;
    }

    .advanced-columns {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .toolbar {
        grid-template-columns: 1fr;
    }
}