:root {
    --planner-bg: #F5F6F5;
    --planner-panel: #FFFFFF;
    --planner-border: #E5E7E5;
    --planner-grid: #E8EBE8;
    --planner-text: #1F2933;
    --planner-muted: #6B7280;
    --planner-accent: #4A7C44;
    --planner-accent-soft: #E8F0E6;
    --planner-accent-hover: #3F6B3A;
    --planner-danger: #C45C5C;
    --planner-danger-soft: #FCEEEE;
    --planner-warn: #B07A2E;
    --planner-select: #4A7C44;
    --planner-shadow: 0 1px 2px rgba(31, 41, 51, 0.04), 0 8px 24px rgba(31, 41, 51, 0.06);
    --planner-shadow-sm: 0 1px 2px rgba(31, 41, 51, 0.05);
    --planner-radius: 12px;
    --planner-radius-sm: 8px;
    --font-display: "Plus Jakarta Sans", system-ui, sans-serif;
    --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
    --sidebar-w: 240px;
    --props-w: 300px;
    --topbar-h: 56px;
}

* {
    box-sizing: border-box;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

html,
body.planner-body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-body);
    font-size: 14px;
    background: var(--planner-bg);
    color: var(--planner-text);
}

.planner-shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr var(--props-w);
    grid-template-rows: var(--topbar-h) 1fr;
    height: 100vh;
    width: 100vw;
    gap: 0;
    padding: 0;
}

/* —— Topbar —— */
.planner-topbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: var(--topbar-h);
    padding: 0 16px;
    background: var(--planner-panel);
    border-bottom: 1px solid var(--planner-border);
}

.planner-topbar__left,
.planner-topbar__center,
.planner-topbar__right {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.planner-topbar__center {
    flex: 1;
    justify-content: center;
}

.planner-topbar__right {
    justify-content: flex-end;
    flex-wrap: wrap;
}

.planner-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--planner-accent);
}

.planner-brand__mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--planner-accent);
    color: #fff;
}

.planner-brand__text {
    display: grid;
    line-height: 1.15;
}

.planner-brand__text strong {
    font-size: 14px;
    font-weight: 800;
    color: var(--planner-text);
}

.planner-brand__text small {
    font-size: 11px;
    font-weight: 600;
    color: var(--planner-muted);
}

.planner-garden-title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: var(--planner-radius-sm);
    cursor: pointer;
}

.planner-garden-title:hover {
    background: var(--planner-bg);
}

.planner-garden-select {
    appearance: none;
    border: none;
    background: transparent;
    font: inherit;
    font-weight: 700;
    font-size: 15px;
    color: var(--planner-text);
    padding: 0;
    max-width: 220px;
    cursor: pointer;
}

.planner-garden-edit {
    color: var(--planner-muted);
    flex-shrink: 0;
}

.planner-status {
    color: var(--planner-muted);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.planner-tool-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.planner-tool-group--ghost {
    margin-left: 4px;
}

.planner-icon-btn {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border: 1px solid transparent;
    border-radius: var(--planner-radius-sm);
    background: transparent;
    color: var(--planner-muted);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

.planner-icon-btn:hover {
    background: var(--planner-bg);
    color: var(--planner-text);
    border-color: var(--planner-border);
}

.planner-btn,
.planner-select,
.planner-field input,
.planner-field select,
.planner-field textarea,
.prop-kv input,
.prop-kv select {
    font: inherit;
    color: inherit;
    border: 1px solid var(--planner-border);
    background: var(--planner-panel);
    border-radius: var(--planner-radius-sm);
}

.planner-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    background: #fff;
}

.planner-btn:hover {
    border-color: #cfd4cf;
    background: var(--planner-bg);
}

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

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

.planner-btn--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--planner-muted);
    padding: 8px 10px;
}

.planner-btn--ghost:hover {
    background: var(--planner-bg);
    color: var(--planner-text);
}

.planner-btn--sm {
    padding: 6px 10px;
    font-size: 12px;
}

.planner-btn--danger {
    color: var(--planner-danger);
    border-color: #f0cfcf;
    background: var(--planner-danger-soft);
}

.planner-select {
    padding: 7px 10px;
    font-size: 13px;
    font-weight: 600;
}

.planner-select--sm {
    min-width: 72px;
    height: 34px;
    font-size: 12px;
    padding: 0 10px;
}

.planner-segment {
    display: inline-flex;
    padding: 3px;
    border-radius: 10px;
    background: var(--planner-bg);
    border: 1px solid var(--planner-border);
}

.planner-segment__btn {
    border: none;
    background: transparent;
    padding: 7px 12px;
    border-radius: 8px;
    font: inherit;
    font-size: 12px;
    font-weight: 700;
    color: var(--planner-muted);
    cursor: pointer;
}

.planner-segment__btn.is-active {
    background: var(--planner-accent);
    color: #fff;
}

.planner-segment__btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* —— Sidebars —— */
.planner-toolbox,
.planner-properties {
    background: var(--planner-panel);
    border-right: 1px solid var(--planner-border);
    overflow: auto;
    display: flex;
    flex-direction: column;
}

.planner-properties {
    border-right: none;
    border-left: 1px solid var(--planner-border);
}

.planner-section {
    padding: 14px 14px 8px;
    border-bottom: 1px solid var(--planner-border);
}

.planner-section__title {
    margin: 0 0 10px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--planner-muted);
}

.tool-list {
    display: grid;
    gap: 2px;
}

.tool-row {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    text-align: left;
    padding: 8px 10px;
    border: none;
    border-radius: var(--planner-radius-sm);
    background: transparent;
    color: var(--planner-text);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.tool-row:hover {
    background: var(--planner-bg);
}

.tool-row.is-active {
    background: var(--planner-accent-soft);
    color: var(--planner-accent);
}

.tool-row__icon {
    display: grid;
    place-items: center;
    width: 20px;
    color: inherit;
    opacity: 0.9;
}

.add-object-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.toolbox-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 6px;
    border: 1px solid var(--planner-border);
    border-radius: var(--planner-radius-sm);
    background: #fff;
    cursor: pointer;
    font: inherit;
    color: inherit;
    text-align: center;
}

.toolbox-item:hover {
    border-color: #c9d4c7;
    background: var(--planner-bg);
}

.toolbox-item.is-active {
    border-color: var(--planner-accent);
    background: var(--planner-accent-soft);
    box-shadow: inset 0 0 0 1px var(--planner-accent);
}

.toolbox-item__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: var(--planner-bg);
    border: 1px solid var(--planner-border);
    overflow: hidden;
}

.toolbox-item__icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.toolbox-swatch {
    width: 28px;
    height: 20px;
    border-radius: 6px;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.toolbox-swatch.is-circle {
    border-radius: 50%;
    width: 22px;
    height: 22px;
}

.toolbox-item strong {
    display: block;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.25;
}

.toolbox-item .toolbox-item__meta {
    display: none;
}

.view-controls {
    display: grid;
    gap: 8px;
}

.view-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 4px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.view-toggle input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.view-toggle__track {
    position: relative;
    width: 40px;
    height: 22px;
    border-radius: 999px;
    background: #D1D5DB;
    transition: background 0.15s ease;
}

.view-toggle__track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    box-shadow: var(--planner-shadow-sm);
    transition: transform 0.15s ease;
}

.view-toggle input:checked + .view-toggle__track {
    background: var(--planner-accent);
}

.view-toggle input:checked + .view-toggle__track::after {
    transform: translateX(18px);
}

.view-layers {
    border: 1px solid var(--planner-border);
    border-radius: var(--planner-radius-sm);
    padding: 0;
}

.view-layers > summary {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    padding: 8px 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 13px;
}

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

.view-layers .layer-list {
    padding: 0 10px 10px;
    display: grid;
    gap: 6px;
}

.planner-field {
    display: grid;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
}

.planner-field span {
    color: var(--planner-muted);
}

.planner-field input,
.planner-field select,
.planner-field textarea {
    padding: 8px 10px;
    width: 100%;
}

.planner-field--compact {
    gap: 4px;
}

.planner-field textarea {
    resize: vertical;
    min-height: 72px;
}

.planner-inline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.planner-inline--compact {
    gap: 6px;
}

/* —— Stage —— */
.planner-stage-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background: #EEF0EE;
}

.planner-stage-wrap[data-view-mode="2d"] .planner-stage-3d {
    display: none;
}

.planner-stage-wrap[data-view-mode="3d"] .planner-stage {
    display: none;
}

.planner-stage,
.planner-stage-3d {
    position: relative;
    overflow: hidden;
    min-width: 0;
    min-height: 0;
    flex: 1 1 auto;
}

.planner-stage {
    background: #F3F4F3;
    cursor: crosshair;
}

.planner-stage-3d {
    background: linear-gradient(180deg, #b7d4ef 0%, #dfead8 55%, #c9dbb8 100%);
}

.three-root {
    position: absolute;
    inset: 0;
}

.three-root canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.view-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 4;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--planner-border);
    box-shadow: var(--planner-shadow-sm);
    font-size: 12px;
    font-weight: 700;
    color: var(--planner-muted);
    pointer-events: none;
}

#planner-canvas {
    display: block;
    width: 100%;
    height: 100%;
    outline: none;
}

.planner-stage.is-space-pan,
.planner-stage.is-panning {
    cursor: grab !important;
}

.planner-stage.is-dragging,
.planner-stage.is-space-pan.is-dragging {
    cursor: grabbing !important;
}

/* —— Bottom dock —— */
.planner-dock {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--planner-border);
    z-index: 5;
    flex: 0 0 auto;
}

.planner-dock__zoom {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px;
    border: 1px solid var(--planner-border);
    border-radius: 10px;
    background: #fff;
}

.planner-zoom-field {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 0 6px;
    height: 30px;
    font-weight: 700;
    font-size: 13px;
    color: var(--planner-muted);
}

.planner-zoom-field input {
    width: 48px;
    border: none;
    background: transparent;
    text-align: right;
    font: inherit;
    font-weight: 800;
    color: var(--planner-text);
    outline: none;
    padding: 0;
}

.planner-dock__scale select {
    height: 34px;
    border: 1px solid var(--planner-border);
    border-radius: 10px;
    padding: 0 10px;
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    background: #fff;
    color: var(--planner-text);
}

.planner-dock__hud {
    margin-left: auto;
    display: flex;
    gap: 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--planner-muted);
}

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

/* —— Properties —— */
.planner-panel-head {
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--planner-border);
}

.planner-panel-head h1 {
    margin: 0;
    font-size: 15px;
    font-weight: 800;
}

.properties-empty,
.properties-form {
    padding: 16px;
}

.properties-empty p {
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: 700;
}

.muted {
    color: var(--planner-muted);
    font-weight: 500 !important;
    font-size: 13px !important;
}

.properties-form {
    display: grid;
    gap: 16px;
}

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

.prop-hero {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 12px;
    align-items: center;
}

.prop-hero__thumb {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    border: 1px solid var(--planner-border);
    background: var(--planner-bg);
    background-size: cover;
    background-position: center;
}

.prop-hero__title {
    width: 100%;
    border: none;
    background: transparent;
    font: inherit;
    font-size: 16px;
    font-weight: 800;
    padding: 0;
    margin-bottom: 2px;
}

.prop-hero__type {
    width: 100%;
    border: none;
    background: transparent;
    font: inherit;
    font-size: 12px;
    font-weight: 600;
    color: var(--planner-muted);
    padding: 0;
}

.prop-block h3 {
    margin: 0 0 10px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--planner-muted);
}

.prop-kv {
    display: grid;
    gap: 8px;
}

.prop-kv__row {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 8px;
    align-items: center;
}

.prop-kv__row > span {
    font-size: 12px;
    font-weight: 600;
    color: var(--planner-muted);
}

.prop-kv__row input,
.prop-kv__row strong {
    font-size: 13px;
    font-weight: 700;
}

.prop-kv__row input {
    padding: 7px 8px;
    width: 100%;
}

.plant-card {
    display: grid;
    grid-template-columns: 40px 1fr auto;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
    padding: 10px;
    border: 1px solid var(--planner-border);
    border-radius: var(--planner-radius-sm);
    background: var(--planner-bg);
}

.plant-card__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #dce8d6;
    border: 1px solid var(--planner-border);
    background-size: cover;
    background-position: center;
}

.plant-card__body {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.plant-card__body strong {
    font-size: 13px;
}

.properties-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.properties-actions #btn-rotate {
    grid-column: 1 / -1;
}

.properties-actions #btn-delete {
    grid-column: 1 / -1;
}

.properties-metrics {
    margin: 10px 0 0;
    padding: 10px 12px;
    border-radius: var(--planner-radius-sm);
    background: var(--planner-accent-soft);
    border: 1px solid #d5e3d2;
    color: var(--planner-muted);
    font-size: 11px;
    line-height: 1.45;
}

.properties-warning {
    margin: 0;
    padding: 10px 12px;
    border-radius: var(--planner-radius-sm);
    background: #fff6e8;
    border: 1px solid #f0d2a0;
    color: var(--planner-warn);
    font-size: 12px;
    line-height: 1.4;
}

.layer-list label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
}

.css2d-label {
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--planner-border);
    box-shadow: var(--planner-shadow-sm);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 700;
    color: var(--planner-text);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

#sun-datetime {
    max-width: 190px;
}

@media print {
    .planner-toolbox,
    .planner-properties,
    .planner-topbar,
    .planner-dock {
        display: none !important;
    }

    .planner-shell {
        display: block;
        height: auto;
    }

    .planner-stage {
        width: 100%;
        height: auto;
    }
}

@media (max-width: 1100px) {
    .planner-shell {
        grid-template-columns: 200px 1fr;
        grid-template-rows: var(--topbar-h) 1fr auto;
    }

    .planner-properties {
        grid-column: 1 / -1;
        max-height: 280px;
        border-left: none;
        border-top: 1px solid var(--planner-border);
    }

    .planner-brand__text small {
        display: none;
    }
}

@media (max-width: 760px) {
    .planner-shell {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr auto auto;
    }

    .planner-toolbox {
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--planner-border);
    }

    .planner-topbar {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 12px;
    }

    .planner-topbar__center {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }

    .add-object-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}