/* ==========================================================================
   Floor Plan Editor – Prototype Styles
   Inspired by Archilogic Floor Plan Engine UI
   ========================================================================== */

/* ── RESET & BASE ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: var(--font-family, "Font-Regular", "Hind", "Fallback-font", sans-serif);
    color: var(--color-text-primary, #1F2937);
    background: var(--color-bg-alt, #F3F4F6);
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── HEADER ────────────────────────────────────────────────────────────── */
.fp-header {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 0 var(--space-3);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border, #E5E7EB);
    flex-shrink: 0;
    gap: var(--space-3);
    z-index: 10;
}

.fp-header__left {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.fp-header__back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius, 3px);
    color: var(--color-text-secondary, #6B7280);
    text-decoration: none;
    transition: background var(--transition-fast, 150ms ease);
}

.fp-header__back:hover {
    background: var(--color-bg-alt, #F3F4F6);
}

.fp-header__select {
    height: 32px;
    padding: 0 28px 0 8px;
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--radius, 3px);
    font-family: inherit;
    font-size: var(--text-compact);
    font-weight: 500;
    color: var(--color-text-primary, #1F2937);
    background: var(--color-white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236B7280' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}

.fp-header__select:focus {
    outline: 2px solid var(--color-focus, #8655F6);
    outline-offset: -1px;
    border-color: transparent;
}

.fp-header__center {
    flex: 1;
    text-align: center;
}

.fp-header__label {
    font-size: var(--text-label);
    font-weight: 500;
    color: var(--color-text-primary, #1F2937);
}

.fp-header__right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ── BUTTONS ───────────────────────────────────────────────────────────── */
.fp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    padding: 0 var(--space-3);
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--radius, 3px);
    font-family: inherit;
    font-size: var(--text-compact);
    font-weight: 500;
    cursor: pointer;
    background: var(--color-white);
    color: var(--color-text-primary, #1F2937);
    transition: all var(--transition-fast, 150ms ease);
    white-space: nowrap;
}

.fp-btn:hover {
    background: var(--color-bg-alt, #F3F4F6);
}

.fp-btn--outline {
    border-color: var(--color-border, #E5E7EB);
}

.fp-btn--icon {
    width: 32px;
    padding: 0;
}

.fp-btn--primary {
    background: var(--color-primary, #006699);
    color: var(--color-white);
    border-color: var(--color-primary, #006699);
}

.fp-btn--primary:hover {
    background: var(--color-primary-hover, #005580);
}

/* ── MAIN LAYOUT ───────────────────────────────────────────────────────── */
.fp-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ── PANELS ────────────────────────────────────────────────────────────── */
.fp-panel {
    width: 280px;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.fp-panel--left {
    border-right: 1px solid var(--color-border, #E5E7EB);
}

.fp-panel--right {
    border-left: 1px solid var(--color-border, #E5E7EB);
}

.fp-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-md) 0;
}

.fp-panel__title {
    font-size: var(--text-compact);
    font-family: var(--font-family-bold, "Font-Bold", sans-serif); font-weight: 400;
    color: var(--color-text-secondary, #6B7280);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.fp-panel__body {
    flex: 1;
    overflow-y: auto;
}

/* ── SEARCH INPUT ──────────────────────────────────────────────────────── */
.fp-panel__search {
    padding: var(--space-3) var(--space-md);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-1-5);
}

.fp-search-wrap {
    flex: 1;
    min-width: 0;
    position: relative;
}

.fp-search__icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted, #9CA3AF);
    pointer-events: none;
}

.fp-search {
    width: 100%;
    height: 32px;
    padding: 0 10px 0 32px;
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--radius, 3px);
    font-family: inherit;
    font-size: var(--text-compact);
    color: var(--color-text-primary, #1F2937);
    background: var(--color-bg-surface, #F9FAFB);
    transition: border-color var(--transition-fast, 150ms ease);
}

.fp-search:focus {
    outline: 2px solid var(--color-focus, #8655F6);
    outline-offset: -1px;
    border-color: transparent;
}

.fp-search::placeholder {
    color: var(--color-text-muted, #9CA3AF);
}

/* ── RESOURCE LIST ─────────────────────────────────────────────────────── */
.fp-resource-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 0 var(--space-md);
}

.fp-resource-group {
    border-bottom: 1px solid var(--color-border-light, #F3F4F6);
}

.fp-resource-group__header {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    user-select: none;
    gap: var(--space-1-5);
    transition: background var(--transition-fast, 150ms ease);
}

.fp-resource-group__header:hover {
    background: var(--color-bg-surface, #F9FAFB);
}

.fp-resource-group__chevron {
    flex-shrink: 0;
    color: var(--color-text-muted, #9CA3AF);
    transition: transform var(--transition-fast, 150ms ease);
}

.fp-resource-group.expanded .fp-resource-group__chevron {
    transform: rotate(90deg);
}

.fp-resource-group__color {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid;
    flex-shrink: 0;
}

.fp-resource-group__label {
    flex: 1;
    font-size: var(--text-compact);
    font-weight: 500;
    color: var(--color-text-primary, #1F2937);
}

.fp-resource-group__count {
    font-size: var(--text-body-xs);
    color: var(--color-text-muted, #9CA3AF);
    margin-right: var(--space-xs);
}

.fp-resource-group__area {
    font-size: var(--text-body-xs);
    color: var(--color-text-secondary, #6B7280);
    font-weight: 400;
}

.fp-resource-group__items {
    display: none;
}

.fp-resource-group.expanded .fp-resource-group__items {
    display: block;
}

/* (fp-resource-item replaced by fp-resource-room in flat/grouped list) */

/* ── CANVAS SECTION ────────────────────────────────────────────────────── */
.fp-canvas-section {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: #ECEEF1;
}

.fp-canvas-wrap {
    position: absolute;
    inset: 0;
}

.fp-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* ── FLOATING TOOLBAR ──────────────────────────────────────────────────── */
.fp-toolbar {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    align-items: center;
    gap: var(--space-0-5);
    padding: var(--space-xs);
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md, 0 2px 4px -1px rgba(0, 0, 0, 0.06), 0 4px 10px -1px rgba(0, 0, 0, 0.08));
}

.fp-toolbar__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-xl);
    cursor: pointer;
    color: var(--color-text-secondary, #6B7280);
    transition: all var(--transition-fast, 150ms ease);
}

.fp-toolbar__btn:hover {
    background: var(--color-bg-alt, #F3F4F6);
    color: var(--color-text-primary, #1F2937);
}

.fp-toolbar__btn.active {
    background: var(--color-primary-50, #E8F0FE);
    color: var(--color-primary, #006699);
}

.fp-toolbar__sep {
    width: 1px;
    height: 20px;
    background: var(--color-border, #E5E7EB);
    margin: 0 var(--space-xs);
}

/* ── BOTTOM BAR ────────────────────────────────────────────────────────── */
.fp-bottombar {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    pointer-events: none;
}

.fp-bottombar > * {
    pointer-events: auto;
}

/* 2D / 3D Toggle */
.fp-view-toggle {
    display: flex;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
}

.fp-view-toggle__btn {
    height: 28px;
    padding: 0 14px;
    border: 1px solid var(--color-border, #E5E7EB);
    background: var(--color-white);
    font-family: inherit;
    font-size: var(--text-body-xs);
    font-family: var(--font-family-bold, "Font-Bold", sans-serif); font-weight: 400;
    cursor: pointer;
    color: var(--color-text-secondary, #6B7280);
    transition: all var(--transition-fast, 150ms ease);
}

.fp-view-toggle__btn:first-child {
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    border-right: none;
}

.fp-view-toggle__btn:not(:first-child):not(:last-child) {
    border-radius: 0;
    border-right: none;
}

.fp-view-toggle__btn:last-child {
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.fp-view-toggle__btn.active {
    background: var(--color-primary, #006699);
    color: var(--color-white);
    border-color: var(--color-primary, #006699);
}

/* Scale Bar */
.fp-scale-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.92);
    padding: var(--space-xs) var(--space-3);
    border-radius: 4px;
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, 0.05));
    backdrop-filter: blur(4px);
}

.fp-scale-bar__line {
    height: 2px;
    width: 80px;
    background: var(--color-text-secondary, #6B7280);
    position: relative;
    transition: width var(--transition-fast);
}

.fp-scale-bar__line::before,
.fp-scale-bar__line::after {
    content: '';
    position: absolute;
    top: -3px;
    width: 2px;
    height: 8px;
    background: var(--color-text-secondary, #6B7280);
}

.fp-scale-bar__line::before { left: 0; }
.fp-scale-bar__line::after { right: 0; }

.fp-scale-bar__label {
    font-size: var(--text-mini);
    color: var(--color-text-secondary, #6B7280);
    font-family: var(--font-family-bold, "Font-Bold", sans-serif); font-weight: 400;
    min-width: 28px;
}

/* ── MEASUREMENT OVERLAY ───────────────────────────────────────────────── */
.fp-measure-overlay {
    position: absolute;
    z-index: 6;
    pointer-events: none;
}

.fp-measure-label {
    display: inline-block;
    background: rgba(37, 99, 235, 0.9);
    color: var(--color-white);
    font-size: var(--text-body-xs);
    font-family: var(--font-family-bold, "Font-Bold", sans-serif); font-weight: 400;
    padding: 3px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

/* ── 3D Measure Labels ───────────────────────────────────────────────── */
.fp-measure-3d-label {
    position: absolute;
    z-index: 6;
    pointer-events: none;
    transform: translate(-50%, -50%);
    display: inline-block;
    background: rgba(37, 99, 235, 0.9);
    color: #fff;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}
.fp-measure-3d-label--area {
    background: rgba(37, 99, 235, 0.7);
    font-weight: 600;
}

/* ── PROPERTIES PANEL ──────────────────────────────────────────────────── */
.fp-props-section {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border-light, #F3F4F6);
}

.fp-props-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.fp-props-section__header h3 {
    font-size: var(--text-body-xs);
    font-family: var(--font-family-bold, "Font-Bold", sans-serif); font-weight: 400;
    color: var(--color-text-secondary, #6B7280);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.fp-props-section__toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted, #9CA3AF);
    padding: var(--space-0-5);
    border-radius: var(--radius);
    display: flex;
    transition: color var(--transition-fast, 150ms ease);
}

.fp-props-section__toggle:hover {
    color: var(--color-text-secondary, #6B7280);
}

.fp-props-back {
    font-size: var(--text-body-xs);
    color: var(--color-primary, #006699);
    cursor: pointer;
    margin-bottom: var(--space-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
}

.fp-props-back:hover {
    text-decoration: underline;
}

/* Floor Metrics Grid */
.fp-metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.fp-metric {
    display: flex;
    flex-direction: column;
    gap: var(--space-0-5);
}

.fp-metric__label {
    font-size: var(--text-mini);
    color: var(--color-text-secondary, #6B7280);
}

.fp-metric__value {
    font-size: var(--text-h3);
    font-family: var(--font-family-bold, "Font-Bold", sans-serif);
    font-weight: 400;
    color: var(--color-text-primary, #1F2937);
    line-height: 1.2;
}

.fp-metric__unit {
    font-size: var(--text-compact);
    font-weight: 400;
    color: var(--color-text-secondary, #6B7280);
}

/* Attributes List */
.fp-attrs {
    display: flex;
    flex-direction: column;
    gap: var(--space-2-5);
}

.fp-attr {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-3);
}

.fp-attr__label {
    font-size: var(--text-compact);
    color: var(--color-text-secondary, #6B7280);
    flex-shrink: 0;
}

.fp-attr__value {
    font-size: var(--text-compact);
    color: var(--color-text-primary, #1F2937);
    text-align: right;
    word-break: break-word;
}

/* Inline badge in attrs */
.fp-attr__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-body-xs);
    padding: 1px 8px;
    border-radius: var(--radius);
    font-weight: 500;
}

.fp-attr__badge--green {
    background: var(--color-badge-green-bg, #D1FAE5);
    color: var(--color-badge-green-text, #065F46);
}

.fp-attr__badge--blue {
    background: var(--color-badge-blue-bg, #DBEAFE);
    color: var(--color-badge-blue-text, #1E40AF);
}

/* Asset List */
.fp-asset-list {
    display: flex;
    flex-direction: column;
}

.fp-asset-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 0;
    border-bottom: 1px solid var(--color-border-light, #F3F4F6);
    cursor: pointer;
    gap: var(--space-sm);
}

.fp-asset-item:last-child {
    border-bottom: none;
}

.fp-asset-item:hover .fp-asset-item__name {
    color: var(--color-primary, #006699);
}

.fp-asset-item__name {
    font-size: var(--text-compact);
    color: var(--color-text-primary, #1F2937);
    transition: color var(--transition-fast, 150ms ease);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fp-asset-item__status {
    font-size: var(--text-mini);
    padding: 1px 6px;
    border-radius: var(--radius);
    font-weight: 500;
    flex-shrink: 0;
}

.fp-asset-item__status--gut {
    background: var(--color-badge-green-bg, #D1FAE5);
    color: var(--color-badge-green-text, #065F46);
}

.fp-asset-item__status--befriedigend {
    background: var(--color-badge-yellow-bg, #FEF3C7);
    color: var(--color-badge-yellow-text, #92400E);
}

.fp-asset-item__status--schlecht {
    background: var(--color-badge-red-bg, #FAE1E2);
    color: var(--color-badge-red-text, #99191E);
}

/* ── COLOR-BY BUTTON ───────────────────────────────────────────────────── */
.fp-color-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--radius, 3px);
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast, 150ms ease);
}

.fp-color-btn:hover {
    background: var(--color-bg-alt, #F3F4F6);
    border-color: var(--color-gray-400, #9CA3AF);
}

.fp-color-btn.active {
    background: var(--color-primary-50, #E8F0FE);
    border-color: var(--color-primary, #006699);
}

/* ── COLOR-BY POPOVER ──────────────────────────────────────────────────── */
.fp-color-popover {
    position: absolute;
    left: 16px;
    right: 16px;
    z-index: 20;
    background: var(--color-white);
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg, 0 2px 6px -1px rgba(0, 0, 0, 0.06), 0 5px 20px -3px rgba(0, 0, 0, 0.08));
    padding: var(--space-3) 0;
    max-height: 400px;
    overflow-y: auto;
}

.fp-color-popover__title {
    font-size: var(--text-mini);
    font-family: var(--font-family-bold, "Font-Bold", sans-serif); font-weight: 400;
    color: var(--color-text-secondary, #6B7280);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0 14px 8px;
}

.fp-color-popover__divider {
    height: 1px;
    background: var(--color-border-light, #F3F4F6);
    margin: var(--space-xs) 0;
}

.fp-color-option {
    display: flex;
    align-items: center;
    gap: var(--space-2-5);
    width: 100%;
    padding: 7px 14px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
    transition: background var(--transition-fast, 150ms ease);
}

.fp-color-option:hover {
    background: var(--color-bg-surface, #F9FAFB);
}

.fp-color-option__radio {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--color-gray-300, #D1D5DB);
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-fast, 150ms ease);
}

.fp-color-option.active .fp-color-option__radio {
    border-color: var(--color-primary, #006699);
}

.fp-color-option.active .fp-color-option__radio::after {
    content: '';
    position: absolute;
    inset: 3px;
    background: var(--color-primary, #006699);
    border-radius: 50%;
}

.fp-color-option__text {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.fp-color-option__label {
    font-size: var(--text-compact);
    font-weight: 500;
    color: var(--color-text-primary, #1F2937);
}

.fp-color-option__desc {
    font-size: var(--text-mini);
    color: var(--color-text-muted, #9CA3AF);
}

/* Color legend inside popover */
.fp-color-popover__legend {
    padding: 0 14px;
}

.fp-color-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1-5) var(--space-3);
    padding-top: var(--space-2-5);
    border-top: 1px solid var(--color-border-light, #F3F4F6);
    margin-top: var(--space-sm);
}

.fp-color-legend__item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.fp-color-legend__swatch {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid;
    flex-shrink: 0;
}

.fp-color-legend__label {
    font-size: var(--text-mini);
    color: var(--color-text-secondary, #6B7280);
    white-space: nowrap;
}

/* ── FLAT RESOURCE ROOM ITEMS (Archilogic-style) ──────────────────────── */
.fp-resource-room {
    border-bottom: 1px solid var(--color-border-light, #F3F4F6);
}

.fp-resource-room__header {
    display: flex;
    align-items: center;
    padding: 7px 16px;
    cursor: pointer;
    gap: var(--space-1-5);
    transition: background var(--transition-fast, 150ms ease);
}

.fp-resource-room__header:hover {
    background: var(--color-bg-surface, #F9FAFB);
}

.fp-resource-room.selected > .fp-resource-room__header {
    background: var(--color-primary-50, #E8F0FE);
}

.fp-resource-room__header--nested {
    padding-left: 40px;
}

.fp-resource-room__chevron {
    flex-shrink: 0;
    color: var(--color-text-muted, #9CA3AF);
    transition: transform var(--transition-fast, 150ms ease);
}

.fp-resource-room.expanded > .fp-resource-room__header > .fp-resource-room__chevron {
    transform: rotate(90deg);
}

.fp-resource-room__spacer {
    display: inline-block;
    width: 14px;
    flex-shrink: 0;
}

.fp-resource-room__spacer--sm {
    display: inline-block;
    width: 12px;
    flex-shrink: 0;
}

.fp-resource-room__dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-sm);
    border: 1px solid;
    flex-shrink: 0;
}

.fp-resource-room__label {
    flex: 1;
    font-size: var(--text-compact);
    font-weight: 500;
    color: var(--color-text-primary, #1F2937);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.fp-resource-room__area {
    font-size: var(--text-body-xs);
    color: var(--color-text-secondary, #6B7280);
    flex-shrink: 0;
}

/* Asset items inside expanded rooms */
.fp-resource-room__assets {
    display: none;
}

.fp-resource-room.expanded > .fp-resource-room__assets {
    display: block;
}

.fp-resource-asset {
    display: flex;
    align-items: center;
    gap: var(--space-1-5);
    padding: var(--space-xs) var(--space-md) var(--space-xs) 36px;
    cursor: pointer;
    transition: background var(--transition-fast, 150ms ease);
}

.fp-resource-asset:hover {
    background: var(--color-bg-surface, #F9FAFB);
}

.fp-resource-asset.selected {
    background: var(--color-primary-50, #E8F0FE);
}

.fp-resource-asset--nested {
    padding-left: 56px;
}

.fp-resource-asset__icon {
    color: var(--color-text-muted, #9CA3AF);
    font-size: var(--text-micro);
    flex-shrink: 0;
    width: 14px;
    text-align: center;
}

.fp-resource-asset__name {
    font-size: var(--text-body-xs);
    color: var(--color-text-primary, #1F2937);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── SCROLLBAR ─────────────────────────────────────────────────────────── */
.fp-resource-list::-webkit-scrollbar,
.fp-panel__body::-webkit-scrollbar {
    width: 6px;
}

.fp-resource-list::-webkit-scrollbar-track,
.fp-panel__body::-webkit-scrollbar-track {
    background: transparent;
}

.fp-resource-list::-webkit-scrollbar-thumb,
.fp-panel__body::-webkit-scrollbar-thumb {
    background: var(--color-gray-300, #D1D5DB);
    border-radius: var(--radius);
}

.fp-resource-list::-webkit-scrollbar-thumb:hover,
.fp-panel__body::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400, #9CA3AF);
}

/* ── LOADING STATE ─────────────────────────────────────────────────────── */
.fp-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-muted, #9CA3AF);
    font-size: var(--text-label);
    gap: var(--space-sm);
}

.fp-loading__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border, #E5E7EB);
    border-top-color: var(--color-primary, #006699);
    border-radius: 50%;
    animation: fp-spin 0.8s linear infinite;
}

@keyframes fp-spin {
    to { transform: rotate(360deg); }
}

/* ── EMPTY STATE ───────────────────────────────────────────────────────── */
.fp-empty {
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    color: var(--color-text-muted, #9CA3AF);
    font-size: var(--text-compact);
}

/* ── EDIT MODE: TOOLBAR BUTTON VARIANTS ───────────────────────────────── */
.fp-toolbar__btn--label {
    width: auto;
    padding: 0 10px;
    gap: var(--space-xs);
    font-size: var(--text-body-xs);
    font-weight: 500;
    font-family: inherit;
}

.fp-toolbar__btn--disabled,
.fp-toolbar__btn[disabled] {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── EDIT MODE: LIBRARY PANEL ─────────────────────────────────────────── */
.fp-library-tabs {
    display: flex;
    gap: 0;
    padding: 0 var(--space-md) var(--space-sm);
    border-bottom: 1px solid var(--color-border-light, #F3F4F6);
}

.fp-library-tab {
    flex: 1;
    padding: var(--space-sm) 0;
    border: none;
    background: none;
    font-family: inherit;
    font-size: var(--text-compact);
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary, #6B7280);
    transition: all var(--transition-fast, 150ms ease);
}

.fp-library-tab:hover {
    color: var(--color-text-primary, #1F2937);
}

.fp-library-tab.active {
    color: var(--color-primary, #006699);
    border-bottom-color: var(--color-primary, #006699);
}

.fp-library-filter {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-3) var(--space-md) var(--space-sm);
}

.fp-library-filter__label {
    font-size: var(--text-mini);
    color: var(--color-text-secondary, #6B7280);
}

.fp-library-filter__select {
    height: 30px;
    font-size: var(--text-body-xs);
}

.fp-library-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-1-5);
    padding: var(--space-sm) var(--space-3);
}

.fp-library-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-1-5) var(--space-xs) var(--space-sm);
    border-radius: var(--radius-xl);
    cursor: grab;
    transition: background var(--transition-fast, 150ms ease);
}

.fp-library-item:hover {
    background: var(--color-bg-surface, #F9FAFB);
}

.fp-library-item__preview {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt, #F3F4F6);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-xs);
    overflow: hidden;
}

.fp-library-item__preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.fp-library-item__badge {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 9px;
    font-family: var(--font-family-bold, "Font-Bold", sans-serif); font-weight: 400;
    color: var(--color-white);
    background: var(--color-primary, #3B82F6);
    padding: 1px 5px;
    border-radius: var(--radius);
    line-height: 1.4;
    letter-spacing: 0.02em;
}

.fp-library-item__name {
    font-size: var(--text-micro);
    font-weight: 500;
    color: var(--color-text-primary, #1F2937);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.3;
    max-width: 100%;
}

.fp-library-item__price {
    font-size: 9px;
    color: var(--color-text-secondary, #6B7280);
    text-align: center;
    margin-top: 1px;
}

/* ── EDIT MODE: EDITABLE PROPERTIES ───────────────────────────────────── */
.fp-edit-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2-5);
}

.fp-edit-field {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.fp-edit-field--full {
    grid-column: 1 / -1;
}

.fp-edit-field__label {
    font-size: var(--text-mini);
    color: var(--color-text-secondary, #6B7280);
}

.fp-edit-field__input {
    height: 30px;
    padding: 0 8px;
    border: 1px solid var(--color-border, #E5E7EB);
    border-radius: var(--radius, 3px);
    font-family: inherit;
    font-size: var(--text-compact);
    color: var(--color-text-primary, #1F2937);
    background: var(--color-white);
}

.fp-edit-field__input:focus {
    outline: 2px solid var(--color-focus, #8655F6);
    outline-offset: -1px;
    border-color: transparent;
}

.fp-edit-field__input[readonly] {
    background: var(--color-bg-surface, #F9FAFB);
    color: var(--color-text-secondary, #6B7280);
}

/* ── EDIT MODE: BODY CLASS OVERRIDES ──────────────────────────────────── */
body.fp-edit-mode .fp-header {
    border-bottom-color: var(--color-primary, #006699);
}

/* ── PROTOTYPE NOTICE ──────────────────────────────────────────────────── */
.fp-prototype-badge {
    position: fixed;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    background: var(--color-backdrop);
    color: var(--color-white);
    font-size: var(--text-mini);
    font-weight: 500;
    padding: var(--space-xs) var(--space-3);
    border-radius: var(--radius-4xl);
    pointer-events: none;
    letter-spacing: 0.3px;
}

/* ── 3D / WALK MODE ──────────────────────────────────────────────────── */

/* WebGL canvas (created by Three.js, hidden by default) */
#floorplan3d {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    display: none;
}

/* Walk-mode crosshair */
.fp-walk-crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    pointer-events: none;
    z-index: 6;
    display: none;
}

.fp-walk-crosshair::before,
.fp-walk-crosshair::after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
}

.fp-walk-crosshair::before {
    width: 2px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
}

.fp-walk-crosshair::after {
    width: 100%;
    height: 2px;
    top: 50%;
    transform: translateY(-50%);
}

/* Walk-mode instructions */
.fp-walk-instructions {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 6;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    font-size: var(--text-body-xs);
    white-space: nowrap;
    pointer-events: none;
    display: none;
}

/* ── FOOTER ───────────────────────────────────────────────────────────── */
.fp-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-3, 12px);
    height: 28px;
    background: var(--color-white, #fff);
    border-top: 1px solid var(--color-border, #E5E7EB);
    font-size: 11px;
    color: var(--color-text-secondary, #6B7280);
    flex-shrink: 0;
}
.fp-footer__left {
    color: var(--color-text-tertiary, #9CA3AF);
}
.fp-footer__center {
    font-weight: 700;
    color: #DC2626;
}
.fp-footer__right {
    display: flex;
    gap: 12px;
}
.fp-footer__right a {
    color: var(--color-text-secondary, #6B7280);
    text-decoration: none;
}
.fp-footer__right a:hover {
    text-decoration: underline;
}