/* ═══════════════════════════════════════
   AI BUILDER — Layout
   ═══════════════════════════════════════ */

#aiBuilder-target {
    flex: 1;
    display: flex;
    min-height: 0;
}

#aiBuilderModuleContainer {
    flex: 1;
    display: flex;
}

.aiBuilderMainContainer {
    display: flex;
    flex: 1;
    min-height: 0;
    margin: -15px;
    overflow: hidden;
    background: var(--light);
}

/* ═══════════════════════════════════════
   Sidebar (Chat AI)
   ═══════════════════════════════════════ */

.aiBuilderSidebar {
    width: 450px;
    min-width: 350px;
    background: var(--white);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    z-index: 10;
}

.aiBuilderSidebar .aiBuilderAiModal {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    background-color: var(--white);
}

.aiBuilderSidebar .aiAssistantContainerBody {
    padding: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.aiBuilderSidebar .aiBuilderAiModal .aiAssistant-container.opened {
    flex: 1;
    min-height: 0;
    width: 100%;
    border: none;
}

/* ═══════════════════════════════════════
   Canvas Area
   ═══════════════════════════════════════ */

.aiBuilderContainer {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--white);
}

/* ═══════════════════════════════════════
   Toolbar (Undo/Redo + Device Preview)
   ═══════════════════════════════════════ */

.aiBuilderToolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 16px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    min-height: 44px;
    gap: 12px;
    flex-shrink: 0;
}

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

.aiToolbar-left {
    gap: 2px;
}

.aiToolbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.aiToolbar-right {
    min-width: 70px;
    justify-content: flex-end;
}

.aiToolbar-info {
    font-size: 11px;
    color: var(--muted);
    font-weight: 500;
    white-space: nowrap;
}

.aiToolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--dark);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s ease;
    position: relative;
}

.aiToolbar-btn:hover:not(:disabled) {
    background: var(--light);
    color: var(--primary);
}

.aiToolbar-btn:active:not(:disabled) {
    transform: scale(0.92);
}

.aiToolbar-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.aiToolbar-btn.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 2px 8px rgba(var(--primary-rgb, 0, 123, 255), 0.3);
}

.aiToolbar-btn.active:hover {
    filter: brightness(1.1);
}

.aiToolbar-device-group {
    display: flex;
    gap: 2px;
    padding: 3px;
    background: var(--light);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.aiToolbar-device-group .aiToolbar-btn {
    width: 32px;
    height: 28px;
    font-size: 13px;
    border-radius: 7px;
}

.aiToolbar-device-group .aiToolbar-btn.active {
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

/* ═══════════════════════════════════════
   Tab Bar
   ═══════════════════════════════════════ */

.aiBuilderTabs {
    display: flex;
    overflow-x: auto;
    background: var(--light);
    border-bottom: 1px solid var(--border);
    align-items: flex-end;
    padding-top: 10px;
    padding-left: 15px;
}

.aiBuilderTabs:empty {
    display: none;
}

.aiBuilderTabs::-webkit-scrollbar {
    height: 4px;
}
.aiBuilderTabs::-webkit-scrollbar-track {
    background: var(--light);
}
.aiBuilderTabs::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
.aiBuilderTabs::-webkit-scrollbar-thumb:hover {
    background: var(--muted);
}

.ai-builder-tab {
    padding: 8px 15px 6px;
    background: #e9ecef;
    border: 1px solid var(--border);
    border-bottom: none;
    margin-right: 5px;
    border-radius: 6px 6px 0 0;
    cursor: pointer;
    font-weight: 500;
    color: var(--muted);
    transition: all 0.2s ease-in-out;
    min-width: 120px;
}

.ai-builder-tab:hover {
    background: var(--light-transparent);
    color: var(--dark);
}

.ai-builder-tab.active {
    background: var(--white);
    color: var(--primary);
    border-top: 3px solid var(--primary);
    font-weight: bold;
    margin-bottom: -1px;
    padding-bottom: 7px;
}

.ai-tab-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.ai-tab-title {
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ai-tab-settings {
    opacity: 0.4;
    cursor: pointer;
    font-size: 11px;
    padding: 2px 4px;
    border-radius: 3px;
    transition: all 0.15s;
}

.ai-tab-settings:hover {
    opacity: 1;
    background: rgba(0,0,0,0.08);
}

.ai-tab-destination {
    font-size: 10px;
    color: var(--muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ai-tab-destination i {
    font-size: 9px;
    margin-right: 2px;
}

/* ═══════════════════════════════════════
   Iframe Container + Device Preview
   ═══════════════════════════════════════ */

.aiBuilderIframeContainer {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--light);
    display: flex;
    justify-content: center;
    transition: background 0.3s ease;
}

.aiBuilderIframeContainer .ai-builder-iframe {
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.4s ease;
    background: #fff;
    height: 100%;
    border: none;
}

/* Desktop: full width */
.aiBuilderIframeContainer.device-desktop .ai-builder-iframe,
.aiBuilderIframeContainer .ai-builder-iframe {
    width: 100% !important;
    box-shadow: none;
}

/* Tablet: centered 768px */
.aiBuilderIframeContainer.device-tablet {
    background: #e9ecef;
    padding: 16px 0;
}

.aiBuilderIframeContainer.device-tablet .ai-builder-iframe {
    width: 768px !important;
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Mobile: centered 375px */
.aiBuilderIframeContainer.device-mobile {
    background: #e0e0e0;
    padding: 16px 0;
}

.aiBuilderIframeContainer.device-mobile .ai-builder-iframe {
    width: 375px !important;
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15),
    0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ═══════════════════════════════════════
   Empty State
   ═══════════════════════════════════════ */

#aiBuilder-empty-state {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: var(--muted);
    text-align: center;
}

#aiBuilder-empty-state i {
    color: var(--border);
    margin-bottom: 2rem;
}

#aiBuilder-empty-state h3 {
    color: var(--dark);
}

/* ═══════════════════════════════════════
   Footer Action Bar
   ═══════════════════════════════════════ */

/* Working Overlay (assistente in elaborazione) */

@keyframes aiBuilderSpin {
    to { transform: rotate(360deg); }
}

#aiBuilder-working-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(3px);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    z-index: 50;
}

.aiBuilder-working-spinner {
    width: 38px;
    height: 38px;
    border: 3px solid rgba(0, 123, 255, 0.15);
    border-top-color: var(--primary, #007bff);
    border-radius: 50%;
    animation: aiBuilderSpin 0.7s linear infinite;
}

.aiBuilder-working-text {
    font-size: 13px;
    color: var(--muted, #6c757d);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.aiBuilderFooter {
    padding: 10px 15px;
    border-top: 1px solid var(--border);
    background: var(--white);
    text-align: right;
}

.btn_save_website {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    color: var(--white) !important;
}

/* Fullscreen Mode */
body.fullscreen .aiBuilderContainer {
    position: fixed !important;
    top: 0;
    left: 0;
}

/* Fullscreen Mode */
body.fullscreen .aiBuilderContainer {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
}

body.fullscreen .fw360-breadcrumb {
    display: none !important;
}

/* ═══════════════════════════════════════
   Empty Canvas State (Center Chat)
   ═══════════════════════════════════════ */

.aiBuilderMainContainer.ai-builder-empty-canvas {
    justify-content: center;
    align-items: center;
    background: var(--light, #f4f5f7);
    padding: 20px;
}

.aiBuilderMainContainer.ai-builder-empty-canvas .aiBuilderSidebar {
    width: 600px !important;
    max-width: 100%;
    height: 85vh !important;
    max-height: 800px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
    margin: 0 auto;
}

.aiBuilderMainContainer.ai-builder-empty-canvas .aiBuilderSidebar .ui-resizable-handle {
    display: none !important;
}

.aiBuilderMainContainer.ai-builder-empty-canvas .aiBuilderContainer {
    flex: 0 !important;
    min-width: 0 !important;
    width: 0 !important;
    opacity: 0 !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
}

/* Transitions */
.ai-builder-transitioning {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1) !important;
}



.ai-builder-chooser {
    display: flex;
    gap: 15px;
}


.ai-builder-chooser > .btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    border-radius: var(--radius);
}

.ai-builder-chooser > .btn i {
    display: block;
    font-size: 30px;
}