/* LightPane Desktop — placeholder CDE-style chrome.
   Visual polish is a later Claude Design pass; keep classes
   layout-centric so the pass can re-skin without touching JS. */

:root {
    --lpd-grid: 20px;
    --lpd-dock-h: 48px;
    --lpd-titlebar-h: 28px;

    --lpd-bg:        #4a4a52;
    --lpd-bg-hatch:  #525258;
    --lpd-chrome:    #6a6a72;
    --lpd-chrome-hi: #8c8c94;
    --lpd-chrome-lo: #3a3a40;
    --lpd-ink:       #f2f2f4;
    --lpd-ink-dim:   #c4c4cc;
    --lpd-accent:    #d8b46a;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    background: var(--lpd-bg);
    color: var(--lpd-ink);
    font: 13px/1.3 system-ui, -apple-system, "Segoe UI", sans-serif;
    user-select: none;
}

#lpd-root {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
}

/* Desktop area (viewport minus dock) ----------------------------- */

.lpd-area {
    flex: 1 1 auto;
    position: relative;
    overflow: hidden;
    background:
        repeating-linear-gradient(
            45deg,
            var(--lpd-bg)       0px,
            var(--lpd-bg)       2px,
            var(--lpd-bg-hatch) 2px,
            var(--lpd-bg-hatch) 3px
        );
}

.lpd-desktop {
    position: absolute;
    inset: 0;
}

.lpd-desktop[hidden] { display: none; }

/* Dock ----------------------------------------------------------- */

.lpd-dock {
    flex: 0 0 var(--lpd-dock-h);
    height: var(--lpd-dock-h);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
    padding: 0 10px;
    background: var(--lpd-chrome);
    border-top: 2px solid var(--lpd-chrome-hi);
    box-shadow: inset 0 -2px 0 var(--lpd-chrome-lo);
    gap: 12px;
}

.lpd-dock__slot {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lpd-dock__slot--left   { justify-content: flex-start; }
.lpd-dock__slot--centre { justify-content: center; }
.lpd-dock__slot--right  { justify-content: flex-end; }

.lpd-dock__button {
    font: inherit;
    color: var(--lpd-ink);
    background: var(--lpd-chrome);
    border: 1px solid transparent;
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    border-right-color: var(--lpd-chrome-lo);
    border-bottom-color: var(--lpd-chrome-lo);
    padding: 6px 14px;
    cursor: pointer;
    min-height: 32px;
}

.lpd-dock__button:hover:not(:disabled) {
    background: var(--lpd-chrome-hi);
}

.lpd-dock__button:active:not(:disabled) {
    border-top-color: var(--lpd-chrome-lo);
    border-left-color: var(--lpd-chrome-lo);
    border-right-color: var(--lpd-chrome-hi);
    border-bottom-color: var(--lpd-chrome-hi);
}

.lpd-dock__button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.lpd-dock__fullscreen {
    padding: 6px 10px;
    font-size: 16px;
    line-height: 1;
}

.lpd-dock__fullscreen--on {
    color: var(--lpd-accent);
    border-top-color: var(--lpd-chrome-lo);
    border-left-color: var(--lpd-chrome-lo);
    border-right-color: var(--lpd-chrome-hi);
    border-bottom-color: var(--lpd-chrome-hi);
    background: var(--lpd-chrome-hi);
}

.lpd-dock__clock {
    font-variant-numeric: tabular-nums;
    color: var(--lpd-ink-dim);
    padding: 0 4px;
    min-width: 44px;
    text-align: right;
}

/* Desktop pager (1-2-3-4) --------------------------------------- */

.lpd-pager {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--lpd-chrome-lo);
    border: 1px solid var(--lpd-chrome-lo);
    border-top-color: #000;
    border-left-color: #000;
}

.lpd-pager__button {
    font: inherit;
    color: var(--lpd-ink);
    background: var(--lpd-chrome);
    border: 1px solid transparent;
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    border-right-color: var(--lpd-chrome-lo);
    border-bottom-color: var(--lpd-chrome-lo);
    width: 32px;
    height: 28px;
    cursor: pointer;
    font-variant-numeric: tabular-nums;
}

.lpd-pager__button:hover {
    background: var(--lpd-chrome-hi);
}

.lpd-pager__button--active {
    background: var(--lpd-chrome-lo);
    color: var(--lpd-accent);
    border-top-color: #000;
    border-left-color: #000;
    border-right-color: var(--lpd-chrome-hi);
    border-bottom-color: var(--lpd-chrome-hi);
}

/* Window --------------------------------------------------------- */

.lpd-window {
    position: absolute;
    display: flex;
    flex-direction: column;
    background: var(--lpd-chrome);
    border: 1px solid var(--lpd-chrome-lo);
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.lpd-window--dragging,
.lpd-window--resizing {
    opacity: 0.9;
    z-index: 10;
}

.lpd-window--invalid {
    box-shadow: 0 0 0 2px rgba(200, 70, 70, 0.85), 0 1px 3px rgba(0, 0, 0, 0.35);
    transition: box-shadow 0.12s ease-out;
}

.lpd-window__titlebar {
    flex: 0 0 var(--lpd-titlebar-h);
    height: var(--lpd-titlebar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 0 4px 0 8px;
    background: linear-gradient(to bottom, var(--lpd-chrome-hi), var(--lpd-chrome));
    border-bottom: 1px solid var(--lpd-chrome-lo);
    cursor: move;
    touch-action: none;
}

.lpd-window__title {
    flex: 1 1 auto;
    color: var(--lpd-ink);
    font-size: 12px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.lpd-window__titlebar-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.lpd-window__close {
    font: inherit;
    font-size: 14px;
    line-height: 1;
    color: var(--lpd-ink);
    background: var(--lpd-chrome);
    border: 1px solid transparent;
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    border-right-color: var(--lpd-chrome-lo);
    border-bottom-color: var(--lpd-chrome-lo);
    width: 20px;
    height: 20px;
    padding: 0;
    cursor: pointer;
}

.lpd-window__close:hover { background: var(--lpd-chrome-hi); }
.lpd-window__close:active {
    border-top-color: var(--lpd-chrome-lo);
    border-left-color: var(--lpd-chrome-lo);
    border-right-color: var(--lpd-chrome-hi);
    border-bottom-color: var(--lpd-chrome-hi);
}

.lpd-window__body {
    flex: 1 1 auto;
    overflow-y: auto;
    overflow-x: hidden;
    background: #fbfbf8;
    color: #2a2a30;
    padding: 8px;
    font-size: 12px;
}

/* Pane target div (sd-embed.js writes here). sd-embed.css provides
   all .lp-pane-* styling; lp-desktop.css does not dictate the pane's
   internal look, with one local exception below. */

/* Square the outer pane corners inside a desktop window so they
   align with the window chrome's square corners. Overriding the
   sd-embed CSS custom property leaves inner rounded elements
   (badges, pills, avatars — which use --lp-pane-radius-sm or
   explicit radii) untouched. */
.lpd-window__pane {
    --lp-pane-radius: 0;
}

/* Attributes menu (per window) ---------------------------------- */

.lpd-attrs {
    position: relative;
}

.lpd-attrs[hidden] { display: none; }

.lpd-attrs__toggle {
    font: inherit;
    font-size: 11px;
    line-height: 1;
    color: var(--lpd-ink);
    background: var(--lpd-chrome);
    border: 1px solid transparent;
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    border-right-color: var(--lpd-chrome-lo);
    border-bottom-color: var(--lpd-chrome-lo);
    padding: 3px 7px;
    cursor: pointer;
    white-space: nowrap;
}

.lpd-attrs__toggle:hover { background: var(--lpd-chrome-hi); }

.lpd-attrs__toggle[aria-expanded="true"] {
    background: var(--lpd-chrome-hi);
    border-top-color: var(--lpd-chrome-lo);
    border-left-color: var(--lpd-chrome-lo);
    border-right-color: var(--lpd-chrome-hi);
    border-bottom-color: var(--lpd-chrome-hi);
}

.lpd-attrs__menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 200px;
    max-height: 280px;
    overflow-y: auto;
    background: var(--lpd-chrome);
    border: 1px solid var(--lpd-chrome-lo);
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
    padding: 2px;
    z-index: 50;
}

.lpd-attrs__menu[hidden] { display: none; }

.lpd-attrs__option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    font-size: 12px;
    color: var(--lpd-ink);
    cursor: pointer;
    white-space: nowrap;
}

.lpd-attrs__option:hover {
    background: var(--lpd-chrome-hi);
}

.lpd-attrs__option input {
    flex-shrink: 0;
    margin: 0;
}

/* Resize handles ------------------------------------------------- */

.lpd-window__handle {
    position: absolute;
    background: transparent;
    touch-action: none;
}

.lpd-window__handle--n  { top: -3px;    left: 10px;   right: 10px;  height: 6px;  cursor: ns-resize; }
.lpd-window__handle--s  { bottom: -3px; left: 10px;   right: 10px;  height: 6px;  cursor: ns-resize; }
.lpd-window__handle--e  { top: 10px;    right: -3px;  bottom: 10px; width: 6px;   cursor: ew-resize; }
.lpd-window__handle--w  { top: 10px;    left: -3px;   bottom: 10px; width: 6px;   cursor: ew-resize; }
.lpd-window__handle--nw { top: -4px;    left: -4px;   width: 12px;  height: 12px; cursor: nwse-resize; }
.lpd-window__handle--ne { top: -4px;    right: -4px;  width: 12px;  height: 12px; cursor: nesw-resize; }
.lpd-window__handle--sw { bottom: -4px; left: -4px;   width: 12px;  height: 12px; cursor: nesw-resize; }
.lpd-window__handle--se { bottom: -4px; right: -4px;  width: 12px;  height: 12px; cursor: nwse-resize; }

/* "New" menu ----------------------------------------------------- */

.lpd-new {
    position: relative;
}

.lpd-new__toggle[aria-expanded="true"] {
    border-top-color: var(--lpd-chrome-lo);
    border-left-color: var(--lpd-chrome-lo);
    border-right-color: var(--lpd-chrome-hi);
    border-bottom-color: var(--lpd-chrome-hi);
    background: var(--lpd-chrome-hi);
}

.lpd-new__menu {
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0;
    min-width: 200px;
    max-height: 320px;
    overflow-y: auto;
    background: var(--lpd-chrome);
    border: 1px solid var(--lpd-chrome-lo);
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
    padding: 2px;
    z-index: 50;
}

.lpd-new__menu[hidden] { display: none; }

.lpd-new__option {
    display: block;
    width: 100%;
    padding: 6px 12px;
    font: inherit;
    text-align: left;
    color: var(--lpd-ink);
    background: transparent;
    border: 0;
    cursor: pointer;
    white-space: nowrap;
}

.lpd-new__option:hover,
.lpd-new__option:focus-visible {
    background: var(--lpd-chrome-hi);
    outline: none;
}

.lpd-new__option__service {
    color: var(--lpd-ink-dim);
    font-size: 11px;
    margin-left: 8px;
}

/* Toast ---------------------------------------------------------- */

.lpd-toast {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 16px;
    background: rgba(30, 30, 34, 0.92);
    color: var(--lpd-ink);
    border: 1px solid var(--lpd-chrome-lo);
    border-top-color: var(--lpd-chrome-hi);
    font-size: 12px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease-out;
    z-index: 100;
}

.lpd-toast--visible {
    opacity: 1;
}

.lpd-toast[hidden] { display: none; }

/* Access-key modal ---------------------------------------------- */

.lpd-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.55);
    z-index: 200;
}

.lpd-modal__panel {
    width: 380px;
    max-width: 90vw;
    padding: 16px 20px;
    background: var(--lpd-chrome);
    color: var(--lpd-ink);
    border: 1px solid var(--lpd-chrome-lo);
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.55);
}

.lpd-modal__title {
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: 600;
}

.lpd-modal__body {
    margin: 0 0 12px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--lpd-ink-dim);
}

.lpd-modal__body code {
    padding: 1px 5px;
    background: var(--lpd-chrome-lo);
    color: var(--lpd-ink);
    border-radius: 2px;
    font-size: 11px;
}

.lpd-modal__input {
    width: 100%;
    padding: 6px 8px;
    margin-bottom: 14px;
    font: inherit;
    color: var(--lpd-ink);
    background: var(--lpd-chrome-lo);
    border: 1px solid #000;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.45);
}

.lpd-modal__input:focus {
    outline: 1px solid var(--lpd-accent);
    outline-offset: -1px;
}

.lpd-modal__actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.lpd-modal__cancel,
.lpd-modal__ok {
    font: inherit;
    color: var(--lpd-ink);
    background: var(--lpd-chrome);
    border: 1px solid transparent;
    border-top-color: var(--lpd-chrome-hi);
    border-left-color: var(--lpd-chrome-hi);
    border-right-color: var(--lpd-chrome-lo);
    border-bottom-color: var(--lpd-chrome-lo);
    padding: 6px 14px;
    cursor: pointer;
}

.lpd-modal__ok { color: var(--lpd-accent); font-weight: 600; }

.lpd-modal__cancel:hover,
.lpd-modal__ok:hover {
    background: var(--lpd-chrome-hi);
}