/* Design tokens — Linear / shadcn-inspired */
:root {
    --font: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --text: #0f172a;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    --surface: rgba(255, 255, 255, 0.88);
    --surface-solid: #ffffff;
    --surface-muted: #f8fafc;
    --surface-hover: #f1f5f9;
    --border: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.14);
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-soft: rgba(99, 102, 241, 0.12);
    --primary-ring: rgba(99, 102, 241, 0.28);
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-soft: rgba(239, 68, 68, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1), 0 2px 6px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.14);
    --blur: blur(16px);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    overflow: hidden;
    font-family: var(--font);
    font-size: 14px;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Left sidebar / catalog ─── */
.ui_left {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 360px;
    background: var(--surface-solid);
    padding: 16px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    overflow-x: hidden;
    contain: layout style paint;
}

.ui_left::-webkit-scrollbar {
    width: 6px;
}
.ui_left::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 99px;
}

.sidebar_header {
    margin-bottom: 14px;
}

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

.sidebar_logo {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary) 0%, #818cf8 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: -0.02em;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.sidebar_title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.sidebar_subtitle {
    margin: 2px 0 0;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.3;
}

.search_wrap {
    position: relative;
    margin-bottom: 14px;
}

.search_icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--text-subtle);
    pointer-events: none;
}

.model_search {
    width: 100%;
    padding: 10px 12px 10px 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-strong);
    background: var(--surface-solid);
    outline: none;
    font-family: var(--font);
    font-size: 13px;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.model_search::placeholder {
    color: var(--text-subtle);
}

.model_search:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-ring);
}

.items_list {
    margin: 0;
}

/* ─── Catalog accordion ─── */
.catalog_tree {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.catalog_section {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-muted);
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.catalog_section.is-open {
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: var(--shadow-sm);
}

.catalog_toggle,
.catalog_subtoggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 12px;
    border: none;
    background: transparent;
    text-align: left;
    font-family: var(--font);
    font-weight: 600;
    cursor: pointer;
    color: var(--text);
    transition: background var(--transition), color var(--transition);
}

.catalog_toggle {
    font-size: 13px;
}

.catalog_subtoggle {
    font-size: 12px;
    padding: 9px 10px;
}

.catalog_toggle:hover,
.catalog_subtoggle:hover {
    background: var(--surface-hover);
}

.catalog_section.is-open > .catalog_toggle {
    background: var(--primary-soft);
    color: #4338ca;
}

.catalog_chevron {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    display: grid;
    place-items: center;
    border-radius: 6px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--text-muted);
    font-size: 10px;
    transition: transform var(--transition), background var(--transition), color var(--transition);
}

.catalog_chevron::before {
    content: '▸';
}

.catalog_section.is-open > .catalog_toggle .catalog_chevron,
.catalog_subsection.is-open > .catalog_subtoggle .catalog_chevron {
    transform: rotate(90deg);
    background: var(--primary-soft);
    color: var(--primary);
}

.catalog_label {
    flex: 1;
    min-width: 0;
    line-height: 1.35;
}

.catalog_section_body,
.catalog_subsection_body {
    display: none;
    padding: 0 8px 10px;
}

.catalog_section.is-open > .catalog_section_body,
.catalog_subsection.is-open > .catalog_subsection_body {
    display: block;
}

.catalog_subsection {
    margin-top: 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-solid);
    overflow: hidden;
}

.catalog_subsection.is-open {
    border-color: rgba(99, 102, 241, 0.18);
}

.catalog_subsection.is-open > .catalog_subsection_body {
    display: block;
    padding: 0 6px 8px;
}

.catalog_group {
    margin: 6px 0 8px 4px;
}

.catalog_group_title {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-subtle);
    padding: 4px 4px 8px;
}

.catalog_models {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ─── Model cards ─── */
.item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px;
    background: var(--surface-solid);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    content-visibility: auto;
    contain-intrinsic-size: auto 220px;
}

.item:hover {
    border-color: var(--primary);
    background: var(--surface-hover);
    box-shadow: 0 0 0 2px var(--primary-ring), 0 10px 26px rgba(15, 23, 42, 0.16);
    transform: translateY(-3px);
    z-index: 1;
}

.item.selected {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, var(--surface-solid) 100%);
    box-shadow: 0 0 0 3px var(--primary-ring);
}

.item--no-3d {
    opacity: 0.65;
    background: var(--surface-muted);
    cursor: not-allowed;
}

.item--no-3d:hover {
    box-shadow: none;
    transform: none;
    border-color: var(--border);
}

.item--loading {
    opacity: 0.72;
    pointer-events: none;
}

.item--no-3d .add_btn {
    background: var(--text-subtle);
    cursor: not-allowed;
    box-shadow: none;
}

.item_thumb {
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
    border: 1px solid var(--border);
}

.item img {
    width: 100%;
    height: auto;
    min-height: 88px;
    max-height: 130px;
    display: block;
    object-fit: contain;
}

.item_body {
    margin-top: 8px;
}

.item_title {
    font-size: 12px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item[data-file-path] {
    cursor: pointer;
}

.item[data-file-path]:active:not(.item--loading) {
    transform: scale(0.99);
}

.item_id {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 10px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    font-family: ui-monospace, 'Cascadia Code', monospace;
    color: var(--text);
    background: var(--surface-muted);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
}

.add_btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    margin-top: 8px;
    background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.add_btn:hover:not(:disabled) {
    filter: brightness(1.05);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.45);
    transform: translateY(-1px);
}

.add_btn:active:not(:disabled) {
    transform: translateY(0);
}

.add_btn:disabled {
    opacity: 0.7;
}

/* ─── Right stack: settings + object panel ─── */
.right_ui_stack {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.65rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    overflow-x: visible;
}

/* ─── Верхний ряд: кнопка "Сохранить площадку" слева от панели настроек ─── */
.top_row {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
}

.save_layout_btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    height: 48px;
    padding: 0 1.1rem;
    white-space: nowrap;
    background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.save_layout_btn:hover {
    filter: brightness(1.05);
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.save_layout_btn:active {
    transform: translateY(0);
}
/* ─── settings_panel как <details>: сворачиваемая, свёрнута по умолчанию ─── */
details.settings_panel {
    padding: 0;
    overflow: hidden;
    width: 280px;
}

details.settings_panel > summary.panel_header {
    display: grid;
    grid-template-columns: 1fr 32px;
    align-items: center;
    min-height: 44px; /* уменьшил с 56px */
    margin-bottom: 0;
    padding: 6px 16px; /* уменьшил с 16px 20px */
    border-bottom: none;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

details.settings_panel[open] > summary.panel_header {
    border-bottom: 1px solid var(--border);
}

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

details.settings_panel > summary .settings_panel_title {
    font-size: 16px; /* уменьшил с 19px */
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
    text-align: center;
}

details.settings_panel > summary .panel_subtitle {
    display: none;
}

.panel_chevron {
    width: 28px; /* уменьшил с 32px */
    height: 28px; /* уменьшил с 32px */
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--text-muted);
    transition: background var(--transition), color var(--transition);
    justify-self: end;
}

.panel_chevron::before {
    content: '▾';
    font-size: 16px; /* уменьшил с 18px */
    line-height: 1;
    font-weight: 700;
    display: block;
    transition: transform var(--transition);
}

details.settings_panel[open] > summary .panel_chevron::before {
    transform: rotate(180deg);
}

details.settings_panel[open] > summary .panel_chevron {
    background: var(--primary-soft);
    color: var(--primary);
}
/* Содержимое панели (все .settings_row после summary) */
details.settings_panel > summary ~ * {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

details.settings_panel > summary ~ *:last-child {
    padding-bottom: 1.5rem;
}

details.settings_panel > #shapeRect,
details.settings_panel > #shapeTriangle,
details.settings_panel > #shapeCircle {
    padding-top: 1.4rem;
    padding-bottom: 2.5rem;
}

.settings_btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.settings_btn:hover {
    background: var(--surface-solid);
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.settings_btn.is-active {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
}

.settings_btn.is-active i {
    color: #fff;
}

.settings_btn i {
    font-size: 17px;
    color: var(--text);
    transition: color var(--transition);
}

.settings_panel,
.object_panel {
    background: var(--surface);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.settings_panel {
    width: 23rem;
}

.object_panel {
    width: 19rem;
}

.panel_header {
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.settings_panel_title,
.object_panel_title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
}

.panel_subtitle {
    margin: 0.35rem 0 0;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.settings_row {
    margin-bottom: 1.6rem;
}

.settings_row:last-child {
    margin-bottom: 0;
}

.settings_row_label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

/* ─── Переключатель "Зона безопасности" ─── */
.settings_row_toggle {
    padding: 0.2rem 0;
}

.settings_toggle_label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    cursor: pointer;
}

.settings_toggle_text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.settings_row_label_inline {
    margin-bottom: 0.15rem;
}

.settings_toggle_hint {
    font-size: 0.78rem;
    line-height: 1.35;
    color: var(--text-subtle);
}

.toggle_switch {
    position: relative;
    flex: 0 0 auto;
    width: 3rem;
    height: 1.75rem;
}

.toggle_switch input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 1;
}

.toggle_switch_track {
    position: absolute;
    inset: 0;
    background: var(--border-strong);
    border-radius: 999px;
    transition: background var(--transition);
}

.toggle_switch_track::before {
    content: '';
    position: absolute;
    top: 0.2rem;
    left: 0.2rem;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}

.toggle_switch input:checked ~ .toggle_switch_track {
    background: var(--primary);
}

.toggle_switch input:checked ~ .toggle_switch_track::before {
    transform: translateX(1.25rem);
}

.toggle_switch input:focus-visible ~ .toggle_switch_track {
    box-shadow: 0 0 0 3px var(--primary-ring);
}

.settings_select {
    width: 100%;
    padding: 0.9rem 2.2rem 0.9rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--surface-solid) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E") no-repeat right 0.85rem center;
    appearance: none;
    font-family: var(--font);
    font-size: 1.05rem;
    color: var(--text);
    cursor: pointer;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.settings_select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-ring);
}

.settings_panel input[type="range"] {
    width: 100%;
    height: 0.6rem;
    margin: 0.5rem 0 0;
    appearance: none;
    background: linear-gradient(90deg, var(--primary-soft), #e2e8f0);
    border-radius: 99px;
    outline: none;
}

.settings_panel input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: var(--surface-solid);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: transform var(--transition);
}

.settings_panel input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.08);
}

.settings_panel input[type="range"]::-moz-range-thumb {
    width: 1.6rem;
    height: 1.6rem;
    border-radius: 50%;
    background: var(--surface-solid);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.object_panel_actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

.object_panel_row {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.obj_btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.75rem 0.9rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.obj_btn:active {
    transform: scale(0.98);
}

.object_panel_rotate .obj_btn_rotate {
    background: var(--surface-muted);
    border-color: var(--border-strong);
    color: var(--text);
}

.object_panel_rotate .obj_btn_rotate:hover {
    background: var(--primary-soft);
    border-color: rgba(99, 102, 241, 0.3);
    color: #4338ca;
}

.obj_btn_secondary {
    background: var(--surface-muted);
    border-color: var(--border-strong);
    color: var(--text);
}

.obj_btn_secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
}

.obj_btn_primary {
    background: linear-gradient(180deg, #6366f1 0%, #4f46e5 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.obj_btn_primary:hover {
    filter: brightness(1.05);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.45);
}

.obj_btn_primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    filter: none;
    box-shadow: none;
}

.obj_btn_danger {
    background: linear-gradient(180deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.obj_btn_danger:hover {
    filter: brightness(1.05);
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
}

/* ─── 3D viewport ─── */
#renter_container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: auto;
}

.drag_overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.08);
    cursor: move;
    z-index: 100;
    pointer-events: none;
}

/* ─── Loading overlay ─── */
.model_loading_overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(4px);
    z-index: 120;
    pointer-events: none;
}

.model_loading_box {
    min-width: 300px;
    max-width: 420px;
    padding: 24px 26px;
    border-radius: var(--radius-lg);
    background: rgba(15, 23, 42, 0.92);
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.model_loading_spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: #818cf8;
    border-radius: 50%;
    animation: model-loading-spin 0.75s linear infinite;
    margin-bottom: 16px;
    flex-shrink: 0;
}

.model_loading_title {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.model_loading_line {
    color: #94a3b8;
    font-size: 13px;
    line-height: 1.45;
    margin-top: 4px;
}

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

/* ─── Safety zone overlap toast ─── */
.safety_zone_overlap_toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-12px);
    z-index: 11000;
    max-width: min(92vw, 520px);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    background: rgba(185, 28, 28, 0.96);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}

.safety_zone_overlap_toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* ─── Модалка "Сохранить площадку" ─── */
.modal_overlay {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.modal_overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.modal_box {
    width: min(92vw, 420px);
    background: var(--surface-solid);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 24px;
    transform: translateY(8px) scale(0.98);
    transition: transform 0.2s ease;
}

.modal_overlay.is-open .modal_box {
    transform: translateY(0) scale(1);
}

.modal_title {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.modal_subtitle {
    margin: 0 0 18px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-muted);
}

.modal_field {
    margin-bottom: 14px;
}

.modal_field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.modal_required {
    color: var(--danger);
}

.modal_field input {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--surface-solid);
    outline: none;
    font-family: var(--font);
    font-size: 13px;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.modal_field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-ring);
}

.modal_field input:invalid:not(:placeholder-shown) {
    border-color: var(--danger);
}

.modal_error {
    margin: 0 0 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--danger);
}

.modal_actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 4px;
}

.modal_actions .obj_btn {
    padding: 10px 18px;
}