/* SLUI app chrome: app container, toolbar, workspace, dock layer, windows, drag tab, resize handles, context menus/dropdowns. */

/* APP CONTAINER */

.sl-app {
    position: fixed;
    inset: 0;
    display: flex;
    padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
    flex-direction: column;
    overflow: hidden;
}

.sl-app[data-toolbar-position="left"],
.sl-app[data-toolbar-position="right"] {
    flex-direction: row;
}

/* TOOLBAR */

.sl-toolbar {
    background-color: var(--toolbar-bg);
    background-image: var(--toolbar-bg-image, none);
    background-size: var(--toolbar-bg-size, cover);
    background-position: var(--toolbar-bg-position, center);
    background-repeat: var(--toolbar-bg-repeat, no-repeat);
    background-blend-mode: var(--toolbar-bg-blend, normal);
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    user-select: none;
    z-index: 1000;
    /* Only transition visual properties, not width/height (causes resize delay) */
    transition: background var(--transition), color var(--transition), border var(--transition), box-shadow var(--transition);
}

/* Toolbar positions */
.sl-app[data-toolbar-position="top"] .sl-toolbar {
    flex-direction: row;
    width: 100%;
    height: var(--toolbar-size);
    border-bottom: 1px solid var(--border);
}

.sl-app[data-toolbar-position="bottom"] .sl-toolbar {
    flex-direction: row;
    width: 100%;
    height: var(--toolbar-size);
    border-top: 1px solid var(--border);
    order: 1;
}

.sl-app[data-toolbar-position="left"] .sl-toolbar {
    flex-direction: column;
    width: var(--toolbar-size);
    height: 100%;
    border-right: 1px solid var(--border);
    cursor: move;
}

.sl-app[data-toolbar-position="right"] .sl-toolbar {
    flex-direction: column;
    width: var(--toolbar-size);
    height: 100%;
    border-left: 1px solid var(--border);
    order: 1;
    cursor: move;
}

.sl-app[data-toolbar-position="top"] .sl-toolbar,
.sl-app[data-toolbar-position="bottom"] .sl-toolbar {
    cursor: move;
}

/* Move cursor when dragging docked toolbar (consistent with windows) */
.sl-toolbar-wrapper.dragging .sl-toolbar {
    cursor: move;
}

/* Toolbar items keep pointer cursor */
.sl-toolbar-item,
.sl-toolbar-user,
.sl-toolbar-toast {
    cursor: pointer;
}

/* Floating toolbar - use wrapper with frame like windows */
.sl-toolbar-wrapper {
    display: contents; /* Don't affect layout in docked modes */
}

.sl-app[data-toolbar-position="float"] .sl-toolbar-wrapper {
    display: block;
    position: fixed;
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
    z-index: 1000;
    /* Padding creates hover zone around toolbar */
    padding: var(--window-frame-hover-zone);
}

/* Floating toolbar frame - surrounds toolbar, appears on hover from outside */
.sl-toolbar-frame {
    display: none;
}

.sl-app[data-toolbar-position="float"] .sl-toolbar-frame {
    display: block;
    position: absolute;
    inset: calc(var(--window-frame-hover-zone) - var(--window-frame-size));
    background: var(--window-header);
    border: 1px solid var(--border);
    border-radius: var(--window-frame-radius);
    box-shadow: var(--glow);
    cursor: move;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: -1;
}

/* Frame appears when hovering wrapper but not inside toolbar */
.sl-app[data-toolbar-position="float"] .sl-toolbar-wrapper.frame-visible .sl-toolbar-frame {
    opacity: 1;
    pointer-events: auto;
}

.sl-app[data-toolbar-position="float"] .sl-toolbar-wrapper.dragging .sl-toolbar-frame {
    opacity: 1;
    pointer-events: auto;
}

/* Hide toolbar border/shadow when frame visible */
.sl-app[data-toolbar-position="float"] .sl-toolbar-wrapper.frame-visible .sl-toolbar,
.sl-app[data-toolbar-position="float"] .sl-toolbar-wrapper.dragging .sl-toolbar {
    border-color: transparent;
    box-shadow: none;
}

/* Floating toolbar body - fixed size, always visible */
.sl-app[data-toolbar-position="float"] .sl-toolbar {
    position: relative;
    flex-direction: column;
    width: auto;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    box-shadow: var(--glow);
    padding: 4px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

/* Floating toolbar grid layout for many items */
.sl-app[data-toolbar-position="float"] .sl-toolbar-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, 30px);
    gap: 2px;
    max-width: calc(30px * 4 + 8px);
    max-height: 60vh;
    overflow-y: auto;
}

/* Single column when few items */
.sl-app[data-toolbar-position="float"] .sl-toolbar-items.few-items {
    grid-template-columns: 1fr;
}

/* Toolbar items container */
.sl-toolbar-items {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.sl-app[data-toolbar-position="left"] .sl-toolbar-items,
.sl-app[data-toolbar-position="right"] .sl-toolbar-items {
    flex-direction: column;
}

/* Toolbar logo */
.sl-toolbar-logo {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 1px;
    box-sizing: border-box;
}

.sl-toolbar-logo img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

/* Toolbar items */
.sl-toolbar-item {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: calc(var(--border-radius) * 0.5);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    font-size: 1rem;
}

/* Toolbar icon images (SVG icons) */
.sl-toolbar-item img {
    width: auto;
    height: 26px;
    max-width: 26px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.sl-toolbar-item:hover img {
    opacity: 1;
}

.sl-toolbar-item.active img {
    opacity: 1;
}

.sl-toolbar-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sl-toolbar-item.active {
    background: var(--bg-active);
    color: var(--accent);
}

.sl-toolbar-item.loaded::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
}


/* Toolbar spacer */
.sl-toolbar-spacer {
    flex: 1;
}

/* Toolbar divider */
.sl-toolbar-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 2px;
}

.sl-app[data-toolbar-position="left"] .sl-toolbar-divider,
.sl-app[data-toolbar-position="right"] .sl-toolbar-divider,
.sl-app[data-toolbar-position="float"] .sl-toolbar-divider {
    width: 20px;
    height: 1px;
    margin: 2px 0;
}

/* Toolbar legal footer links (centred between panel buttons and right-side controls) */
.sl-toolbar-legal {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    white-space: nowrap;
}

.sl-toolbar-legal a {
    font-size: 10px;
    color: var(--text-muted, #888);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.15s;
}

.sl-toolbar-legal a:hover {
    opacity: 1;
    text-decoration: underline;
}

.sl-toolbar-legal-dot {
    font-size: 10px;
    color: var(--text-muted, #888);
    opacity: 0.4;
    user-select: none;
}

/* Vertical toolbar: stack legal links vertically */
.sl-app[data-toolbar-position="left"] .sl-toolbar-legal,
.sl-app[data-toolbar-position="right"] .sl-toolbar-legal,
.sl-app[data-toolbar-position="float"] .sl-toolbar-legal {
    flex-direction: column;
    gap: 2px;
}

.sl-app[data-toolbar-position="left"] .sl-toolbar-legal-dot,
.sl-app[data-toolbar-position="right"] .sl-toolbar-legal-dot,
.sl-app[data-toolbar-position="float"] .sl-toolbar-legal-dot {
    display: none;
}

/* Hide on mobile (toolbar too cramped) */
.sl-app[data-mode="mobile"] .sl-toolbar-legal {
    display: none;
}

/* WORKSPACE (window container) */

.sl-workspace {
    flex: 1;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
}

.sl-workspace[data-mode="pan"] {
    cursor: grab;
}
.sl-workspace.panning {
    cursor: grabbing;
}

/* Viewport rectangle shown during zoom-out pan */
.sl-pan-viewport-rect {
    box-sizing: border-box;
}

/* Windows/controls keep their own cursors */
.sl-workspace .sl-window-container,
.sl-workspace .sl-dock-panel {
    cursor: default;
}

/* Space held — grab cursor over windows too */
.sl-workspace.sl-space-pan .sl-window-container,
.sl-workspace.sl-space-pan .sl-dock-panel {
    cursor: grab;
}
.sl-workspace.sl-space-pan.panning .sl-window-container,
.sl-workspace.sl-space-pan.panning .sl-dock-panel {
    cursor: grabbing;
}

/* Centered app logo watermark */
.sl-workspace-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
    opacity: 0.12;
    user-select: none;
}

.sl-workspace-logo img {
    width: auto;
    height: auto;
    max-width: 40vmin;
    max-height: 40vmin;
    object-fit: contain;
}

/* DOCK LAYER (behind floating windows) */

.sl-dock-layer {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
}

/* Dock container - recursive split containers */
.sl-dock-container {
    display: flex;
    flex: 1;
    min-width: 0;
    min-height: 0;
    position: relative;
}

.sl-dock-container[data-direction="horizontal"] {
    flex-direction: row;
}

.sl-dock-container[data-direction="vertical"] {
    flex-direction: column;
}

/* Dock panel - leaf nodes containing actual windows */
.sl-dock-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 100px;
    min-height: 80px;
    position: relative;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    overflow: hidden;
}


/* Docked windows - no frame, fill panel completely */
.sl-dock-panel .sl-window-container {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    width: 100% !important;
    height: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
}

.sl-dock-panel .sl-window-frame {
    display: none !important;
}

.sl-dock-panel .sl-window {
    width: 100% !important;
    height: 100% !important;
}

.sl-dock-panel .sl-window-body {
    border-radius: 0 !important;
    border: none !important;
    box-shadow: none !important;
    flex: 1;
}

.sl-dock-panel .sl-resize-handle {
    display: none !important;
}

/* Panel-specific drop zones (for subdivision docking) - edge strips */
.sl-dock-panel .sl-panel-drop-zone {
    position: absolute;
    background: var(--accent);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 10;
}

.sl-dock-panel .sl-panel-drop-zone.active {
    opacity: 0.4;
}

.sl-dock-panel .sl-panel-drop-zone.left {
    left: 0;
    top: 0;
    width: 30px;
    height: 100%;
}

.sl-dock-panel .sl-panel-drop-zone.right {
    right: 0;
    top: 0;
    width: 30px;
    height: 100%;
}

.sl-dock-panel .sl-panel-drop-zone.top {
    left: 0;
    top: 0;
    width: 100%;
    height: 30px;
}

.sl-dock-panel .sl-panel-drop-zone.bottom {
    left: 0;
    bottom: 0;
    width: 100%;
    height: 30px;
}

/* Dock divider - draggable to resize splits */
.sl-dock-divider {
    flex-shrink: 0;
    background: var(--border);
    transition: background 0.15s ease;
    z-index: 5;
}

.sl-dock-divider:hover,
.sl-dock-divider.dragging {
    background: var(--accent);
}

.sl-dock-container[data-direction="horizontal"] > .sl-dock-divider {
    width: 4px;
    cursor: ew-resize;
}

.sl-dock-container[data-direction="vertical"] > .sl-dock-divider {
    height: 4px;
    cursor: ns-resize;
}

/* Drop zone indicators - shown during drag */
.sl-drop-zone {
    position: fixed;
    background: var(--accent);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: 9999;
}

.sl-drop-zone.active {
    opacity: 0.3;
}

.sl-drop-zone.left {
    left: 0;
    top: 0;
    width: 80px;
    height: 100%;
}

.sl-drop-zone.right {
    right: 0;
    top: 0;
    width: 80px;
    height: 100%;
}

.sl-drop-zone.top {
    left: 0;
    top: 0;
    width: 100%;
    height: 60px;
}

.sl-drop-zone.bottom {
    left: 0;
    bottom: 0;
    width: 100%;
    height: 60px;
}

/* Drop preview - shows where window will dock */
.sl-drop-preview {
    position: fixed;
    background: var(--accent);
    opacity: 0.2;
    border: 2px dashed var(--accent);
    pointer-events: none;
    z-index: 9998;
    display: none;
}

.sl-drop-preview.visible {
    display: block;
}

/* Floating windows layer - above dock layer */
.sl-float-layer {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

.sl-float-layer > * {
    pointer-events: auto;
}

/* WINDOWS */

/* Window frame size */
:root {
    --window-frame-size: 8px;
    --window-frame-hover-zone: 12px;
    --window-frame-radius: calc(var(--border-radius) + 6px);
}

/* Container - extends beyond window for hover detection */
.sl-window-container {
    position: absolute;
    /* Padding creates hover zone around window (larger than frame for easier targeting) */
    padding: var(--window-frame-hover-zone);
}

/* The actual window */
.sl-window {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-width: var(--window-min-width);
    min-height: var(--window-min-height);
}

/* Window body - the visible window */
.sl-window-body {
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    box-shadow: var(--glow);
    overflow: hidden;
    transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.sl-window.focused {
    z-index: 100;
}

/* Neumorphic windows (designer theme) */
.sl-window.neumorphic .sl-window-body {
    box-shadow: var(--neumorphic-raised);
    border: none;
}

/* Window frame - invisible hit area for move (corners excluded for resize) */
.sl-window-frame {
    position: absolute;
    /* Inset from container edge, leaving space for the frame thickness */
    inset: calc(var(--window-frame-hover-zone) - var(--window-frame-size));
    background: transparent;
    border: none;
    cursor: move;
    opacity: 0;
    pointer-events: none;
    z-index: -1;
    /* Cut out corners (20px) so resize handles aren't blocked by frame */
    --corner-size: 20px;
    clip-path: polygon(
        var(--corner-size) 0%, 
        calc(100% - var(--corner-size)) 0%,
        calc(100% - var(--corner-size)) var(--corner-size),
        100% var(--corner-size),
        100% calc(100% - var(--corner-size)),
        calc(100% - var(--corner-size)) calc(100% - var(--corner-size)),
        calc(100% - var(--corner-size)) 100%,
        var(--corner-size) 100%,
        var(--corner-size) calc(100% - var(--corner-size)),
        0% calc(100% - var(--corner-size)),
        0% var(--corner-size),
        var(--corner-size) var(--corner-size),
        var(--corner-size) 0%
    );
}

/* Frame becomes active (for hit-testing) when hovering container */
.sl-window-container.frame-visible .sl-window-frame {
    opacity: 1;
    pointer-events: auto;
}

/* Visual feedback: outline on window body when in move/resize ready state (hover) */
.sl-window-container.frame-visible .sl-window-body {
    outline: 2px solid var(--accent);
    outline-offset: 0; /* Changed from -2px to 0 so border appears at edge, not inside content */
}

/* Glass mode hover: use black outline to avoid Chrome rendering bugs */
.sl-window-container.glass-mode.frame-visible .sl-window-body {
    outline-color: #000;
}

/* When dragging or resizing, keep frame active and show stronger outline */
.sl-window-container.dragging .sl-window-frame,
.sl-window-container.resizing .sl-window-frame {
    opacity: 1;
    pointer-events: auto;
}

.sl-window-container.dragging .sl-window-body,
.sl-window-container.resizing .sl-window-body {
    outline: 2px solid var(--accent);
    outline-offset: 0; /* Changed from -2px to 0 so border appears at edge, not inside content */
    box-shadow: 0 0 20px rgba(var(--accent-rgb, 100, 149, 237), 0.3);
}

/* Glass mode dragging/resizing: use black outline to avoid Chrome rendering bugs */
.sl-window-container.glass-mode.dragging .sl-window-body,
.sl-window-container.glass-mode.resizing .sl-window-body {
    outline-color: #000;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

/* Window content */
.sl-window-content {
    flex: 1;
    overflow: auto;
    padding: var(--content-padding, 12px);
}

/* WINDOW DRAG TAB (grip for undocking / moving) */

.sl-window-drag-tab {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    cursor: grab;
    font-size: 14px;
    z-index: 20;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, background 0.15s ease;
    user-select: none;
}

/* Show drag tab on window hover */
.sl-window-body:hover .sl-window-drag-tab,
.sl-window-drag-tab:hover {
    opacity: 1;
    pointer-events: auto;
}

.sl-window-drag-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent);
}

.sl-window-drag-tab:active {
    cursor: grabbing;
}

/* RESIZE HANDLES (inside window, at inner edges) */

.sl-resize-handle {
    position: absolute;
    background: transparent;
    z-index: 10;
}

/* Edge handles - DISABLED (corner-only resize) */
.sl-resize-handle.n,
.sl-resize-handle.s,
.sl-resize-handle.e,
.sl-resize-handle.w { 
    display: none; 
}

/* Corner handles - larger for easier grabbing */
.sl-resize-handle.nw { top: -4px; left: -4px; width: 20px; height: 20px; cursor: nw-resize; }
.sl-resize-handle.ne { top: -4px; right: -4px; width: 20px; height: 20px; cursor: ne-resize; }
.sl-resize-handle.sw { bottom: -4px; left: -4px; width: 20px; height: 20px; cursor: sw-resize; }
.sl-resize-handle.se { bottom: -4px; right: -4px; width: 20px; height: 20px; cursor: se-resize; }

/* CONTEXT MENUS & DROPDOWNS */

.sl-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px var(--shadow);
    padding: 4px;
    z-index: 2000;
    min-width: 160px;
}

.sl-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: calc(var(--border-radius) * 0.5);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: background var(--transition);
}

.sl-menu-item:hover {
    background: var(--bg-hover);
}

.sl-menu-item.active {
    background: var(--bg-active);
    color: var(--accent);
}

.sl-menu-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 0;
}