/*
 * Responsive interaction layer for Pixel Studio.
 * The Living Spectrum skin remains the visual source of truth; this file only
 * changes geometry and touch ergonomics when the available screen is smaller.
 */

.mobile-panel-scrim,
.mobile-inspector-close {
    display: none;
}

@media (max-width: 1024px) {
    html,
    body {
        min-width: 0;
    }

    .app-shell {
        height: 100dvh;
    }

    .topbar {
        gap: 8px;
        padding-right: max(10px, env(safe-area-inset-right));
        padding-left: max(10px, env(safe-area-inset-left));
    }

    .brand {
        gap: 7px;
    }

    .topbar-actions {
        gap: 4px;
    }

    .editor-layout,
    .editor-layout.color-panel-collapsed {
        grid-template-columns: 60px minmax(0, 1fr) 270px;
    }

    .tool-rail {
        padding-right: 3px;
        padding-left: 3px;
    }

    .tool-button {
        width: 52px;
    }

    .color-panel {
        left: 60px;
        width: min(310px, calc(100vw - 330px));
    }

    .inspector-tabs,
    .inspector-tabs.has-animation {
        display: flex;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
    }

    .inspector-tabs::-webkit-scrollbar {
        display: none;
    }

    .inspector-tab {
        min-width: 62px;
        flex: 1 0 auto;
    }
}

@media (max-width: 700px) {
    :root {
        --topbar-height: 56px;
        --mobile-tool-dock-height: 68px;
        --mobile-panel-tab-height: 52px;
    }

    html,
    body {
        width: 100%;
        height: 100%;
        min-width: 0;
        overscroll-behavior: none;
    }

    .app-shell {
        padding-top: env(safe-area-inset-top);
        padding-right: env(safe-area-inset-right);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        grid-template-rows: var(--topbar-height) minmax(0, 1fr);
    }

    .topbar {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 6px;
        padding: 0 8px;
    }

    .brand {
        min-width: 0;
        gap: 6px;
    }

    .brand-mark {
        width: 32px;
        height: 32px;
    }

    .brand-mark svg {
        width: 19px;
        height: 19px;
    }

    .brand-copy,
    .document-identity,
    #btn-new,
    #btn-open-projects {
        display: none;
    }

    .mode-switch {
        min-width: 0;
        padding: 2px;
    }

    .mode-button {
        height: 30px;
        padding: 0 7px;
        font-size: 8px;
    }

    .topbar-actions {
        gap: 2px;
    }

    .history-actions {
        gap: 0;
        padding-right: 3px;
        margin-right: 1px;
    }

    .topbar .icon-button,
    .topbar .button {
        width: 34px;
        min-width: 34px;
        height: 34px;
        min-height: 34px;
    }

    .topbar .button span {
        display: none;
    }

    .editor-layout,
    .editor-layout.color-panel-collapsed {
        display: grid;
        min-width: 0;
        min-height: 0;
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: minmax(0, 1fr) var(--mobile-tool-dock-height);
    }

    .workspace {
        z-index: 1;
        grid-column: 1;
        grid-row: 1;
        grid-template-rows: minmax(0, 1fr) 42px;
    }

    .workspace.is-animation-mode {
        grid-template-rows: minmax(0, 1fr) 154px 42px;
    }

    .canvas-viewport {
        overscroll-behavior: contain;
    }

    .canvas-wrapper {
        margin: 26px;
    }

    .tool-rail {
        position: relative;
        z-index: 45;
        grid-column: 1;
        grid-row: 2;
        display: flex;
        min-width: 0;
        min-height: var(--mobile-tool-dock-height);
        flex-direction: row;
        align-items: stretch;
        gap: 2px;
        padding: 5px max(4px, env(safe-area-inset-right)) 5px max(4px, env(safe-area-inset-left));
        overflow-x: auto;
        overflow-y: hidden;
        border-top: 1px solid var(--line);
        border-right: 0;
        scrollbar-width: none;
    }

    .tool-rail::-webkit-scrollbar {
        display: none;
    }

    .tool-group {
        width: max-content;
        flex: 0 0 auto;
        flex-direction: row;
        align-items: stretch;
        gap: 2px;
    }

    .tool-button,
    .color-panel-trigger {
        width: 54px;
        min-width: 54px;
        min-height: 56px;
        padding: 4px 2px;
    }

    .tool-button span {
        font-size: 8px;
    }

    .tool-button svg {
        width: 19px;
        height: 19px;
    }

    .rail-divider {
        width: 1px;
        height: 38px;
        flex: 0 0 auto;
        align-self: center;
    }

    .rail-bottom {
        margin-top: 0;
        margin-left: 0;
    }

    [data-tooltip]::after {
        display: none;
    }

    .workspace-status {
        min-width: 0;
        justify-content: center;
        padding: 4px 8px;
    }

    .status-cluster {
        display: none;
    }

    .zoom-controls {
        width: 100%;
        justify-content: center;
        gap: 7px;
    }

    .zoom-controls input[type="range"] {
        width: min(34vw, 132px);
    }

    .zoom-label {
        min-width: 38px;
    }

    .animation-dock {
        grid-template-rows: 48px minmax(0, 1fr);
    }

    .timeline-toolbar {
        gap: 5px;
        padding: 6px 7px;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
    }

    .timeline-toolbar::-webkit-scrollbar {
        display: none;
    }

    .timeline-icon-button,
    .timeline-play-button {
        height: 36px;
    }

    .timeline-actions {
        flex: 0 0 auto;
        margin-left: 2px;
    }

    .timeline-actions .mini-action {
        min-height: 36px;
        padding: 0 9px;
    }

    .timeline-scroller {
        padding: 7px 8px 9px;
        scroll-snap-type: x proximity;
    }

    .frame-card {
        width: 76px;
        height: 84px;
        scroll-snap-align: start;
    }

    .mobile-panel-scrim {
        position: fixed;
        z-index: 47;
        inset: calc(var(--topbar-height) + env(safe-area-inset-top)) env(safe-area-inset-right) calc(var(--mobile-tool-dock-height) + env(safe-area-inset-bottom)) env(safe-area-inset-left);
        display: block;
        visibility: hidden;
        border: 0;
        opacity: 0;
        background: rgba(10, 10, 9, 0.68);
        backdrop-filter: blur(2px);
        pointer-events: none;
        transition: opacity 150ms ease, visibility 150ms ease;
    }

    body.mobile-inspector-open .mobile-panel-scrim,
    body.mobile-color-open .mobile-panel-scrim {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
    }

    .inspector {
        position: fixed;
        z-index: 50;
        right: env(safe-area-inset-right);
        bottom: calc(var(--mobile-tool-dock-height) + env(safe-area-inset-bottom));
        left: env(safe-area-inset-left);
        display: grid;
        width: auto;
        height: min(72dvh, 590px);
        min-height: 0;
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: 38px var(--mobile-panel-tab-height) minmax(0, 1fr);
        overflow: hidden;
        border-top: 1px solid var(--canvas-bone);
        border-left: 0;
        box-shadow: 0 -18px 44px rgba(0, 0, 0, 0.52);
        transform: translateY(0);
        transition: height 180ms ease, transform 180ms ease;
    }

    .mobile-inspector-close {
        grid-column: 1;
        grid-row: 1;
        display: flex;
        min-width: 0;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border: 0;
        border-bottom: 1px solid var(--line);
        background: var(--raster-black);
        color: var(--text-muted);
        cursor: pointer;
    }

    .mobile-inspector-close span {
        width: 38px;
        height: 3px;
        background: currentColor;
    }

    .mobile-inspector-close strong {
        font-size: 9px;
        letter-spacing: 0.08em;
        text-transform: uppercase;
    }

    .inspector-tabs,
    .inspector-tabs.has-animation {
        grid-column: 1;
        grid-row: 2;
        display: flex;
        min-width: 0;
        padding: 4px 5px 0;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x proximity;
    }

    .inspector-tab {
        min-width: 76px;
        min-height: 46px;
        flex: 1 0 auto;
        scroll-snap-align: start;
        font-size: 9px;
    }

    .inspector-panel {
        grid-column: 1;
        grid-row: 3;
        min-height: 0;
        padding-bottom: max(18px, env(safe-area-inset-bottom));
        overscroll-behavior: contain;
    }

    .inspector.is-mobile-collapsed {
        height: var(--mobile-panel-tab-height);
        grid-template-rows: var(--mobile-panel-tab-height);
        border-top-color: var(--line-strong);
        box-shadow: 0 -8px 22px rgba(0, 0, 0, 0.34);
    }

    .inspector.is-mobile-collapsed .mobile-inspector-close,
    .inspector.is-mobile-collapsed .inspector-panel {
        display: none !important;
    }

    .inspector.is-mobile-collapsed .inspector-tabs,
    .inspector.is-mobile-collapsed .inspector-tabs.has-animation {
        grid-row: 1;
    }

    .color-panel {
        position: fixed;
        z-index: 60;
        top: calc(var(--topbar-height) + env(safe-area-inset-top));
        right: auto;
        bottom: calc(var(--mobile-tool-dock-height) + env(safe-area-inset-bottom));
        left: env(safe-area-inset-left);
        width: min(92vw, 380px);
        max-width: calc(100vw - env(safe-area-inset-left) - env(safe-area-inset-right));
        border-top: 1px solid var(--canvas-bone);
        border-right: 1px solid var(--canvas-bone);
        box-shadow: 18px 0 44px rgba(0, 0, 0, 0.54);
        transform: translateX(0);
        transition: opacity 140ms ease, transform 180ms ease, visibility 180ms;
    }

    .color-panel.is-collapsed {
        visibility: hidden;
        opacity: 0;
        transform: translateX(-100%);
        pointer-events: none;
    }

    .color-panel-header {
        min-height: 52px;
    }

    .color-panel-header .icon-button {
        width: 42px;
        height: 42px;
        font-size: 24px;
    }

    .panel-section {
        padding-right: 16px;
        padding-left: 16px;
    }

    .modal {
        max-width: 100vw;
        max-height: 100dvh;
        padding: 12px;
    }

    .modal-card,
    .modal-card-small {
        width: min(100%, 520px);
        max-width: 100%;
        max-height: calc(100dvh - 24px);
        overflow-y: auto;
    }

    .toast {
        right: max(10px, env(safe-area-inset-right));
        bottom: calc(var(--mobile-tool-dock-height) + var(--mobile-panel-tab-height) + env(safe-area-inset-bottom) + 10px);
        left: max(10px, env(safe-area-inset-left));
        width: auto;
        max-width: none;
    }
}

@media (max-width: 380px) {
    .history-actions {
        display: none;
    }

    .mode-button {
        padding-right: 6px;
        padding-left: 6px;
    }

    .topbar .icon-button,
    .topbar .button {
        width: 36px;
        min-width: 36px;
    }
}

@media (max-width: 700px) and (max-height: 520px) and (orientation: landscape) {
    :root {
        --topbar-height: 48px;
        --mobile-tool-dock-height: 58px;
    }

    .brand-mark,
    .topbar .icon-button,
    .topbar .button {
        width: 32px;
        min-width: 32px;
        height: 32px;
        min-height: 32px;
    }

    .tool-button,
    .color-panel-trigger {
        min-height: 48px;
    }

    .workspace.is-animation-mode {
        grid-template-rows: minmax(0, 1fr) 124px 40px;
    }

    .inspector {
        height: min(78dvh, 390px);
    }
}

@media (pointer: coarse) {
    button,
    input[type="range"],
    select {
        touch-action: manipulation;
    }

    input,
    select,
    textarea {
        font-size: max(16px, 1em);
    }
}