/* ==========================================================
   APP INSTRUCTOR STUDIO
   Studio Workspace 2.0
========================================================== */

/* ==========================================================
   01. BASIS EN DESIGN TOKENS
========================================================== */

:root {
    --header-height: 52px;
    --toolbar-width: 60px;
    --properties-width: 310px;
    --editor-height: 200px;
    --filmstrip-height: 112px;

    --background-app: #1d2027;
    --background-header: #272b34;
    --background-toolbar: #292e38;
    --background-workspace: #252a34;
    --background-panel: #2b303a;
    --background-panel-alt: #242932;
    --background-control: #363c48;
    --background-control-hover: #424a59;

    --surface-light: #ffffff;
    --surface-light-muted: #f5f7fa;
    --surface-light-border: #d9dee7;

    --border-dark: #3d4451;
    --border-dark-soft: #343a45;

    --text-primary: #f5f7fb;
    --text-secondary: #aeb7c7;
    --text-muted: #7f899b;
    --text-dark: #273142;
    --text-dark-muted: #667085;

    --accent: #5b73ff;
    --accent-hover: #6f84ff;
    --accent-soft: rgba(91, 115, 255, 0.16);

    --success: #43b86c;
    --warning: #d8a33f;
    --information: #3f9bd2;

    --radius-small: 6px;
    --radius-medium: 9px;
    --radius-large: 12px;

    --shadow-workspace: 0 18px 45px rgba(0, 0, 0, 0.32);

    --transition-fast: 140ms ease;
}

/* ==========================================================
   02. RESET
========================================================== */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    overflow: hidden;

    font-family:
        "Segoe UI",
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;

    background: var(--background-app);
    color: var(--text-primary);
}

button,
input,
select {
    font: inherit;
}

/* ==========================================================
   03. HOOFDLAY-OUT
========================================================== */

#app {
    width: 100vw;
    height: 100vh;

    display: grid;

    grid-template-columns:
        var(--toolbar-width)
        minmax(0, 1fr)
        var(--properties-width);

    grid-template-rows:
    var(--header-height)
    minmax(0, 1fr)
    var(--filmstrip-height);

    grid-template-areas:
    "header     header         header"
    "toolbar    workspace      properties"
    "filmstrip  filmstrip      filmstrip";

    overflow: hidden;
}

/* ==========================================================
   04. HEADER
========================================================== */

#appHeader {
    grid-area: header;

    display: flex;
    align-items: center;
    justify-content: space-between;

    min-width: 0;
    padding: 0 18px;

    background: var(--background-header);
    border-bottom: 1px solid var(--border-dark);

    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.14);

    z-index: 20;
}

.app-identity,
.app-context {
    display: flex;
    align-items: center;
    min-width: 0;
}

.app-identity {
    gap: 10px;
}

.app-brand-logo {
    display: block;
    width: auto;
    height: 34px;
    flex: 0 0 auto;
    object-fit: contain;
}

.app-product-name {
    padding-left: 10px;
    border-left: 1px solid var(--border-dark);
    font-size: 18px;
    font-weight: 650;
    letter-spacing: 0.1px;
}

.app-version {
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 500;
}

.app-context {
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 1px;
    max-width: 48vw;
    text-align: right;
    white-space: nowrap;
}

.app-context strong,
.app-context span {
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-context strong {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 650;
}

.app-context span {
    color: var(--text-secondary);
    font-size: 10px;
    font-variant-numeric: tabular-nums;
}

.header-divider {
    width: 1px;
    height: 16px;

    background: var(--border-dark);
}

/* ==========================================================
   05. HOOFDWERKBALK
========================================================== */

#toolbar {
    grid-area: toolbar;

    min-height: 0;
    padding: 10px 8px;

    display: flex;
    flex-direction: column;
    align-items: center;

    background: var(--background-toolbar);
    border-right: 1px solid var(--border-dark);

    overflow-y: auto;
    overflow-x: hidden;
}

.toolbar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
}

.toolbar-group-bottom {
    margin-top: auto;
}

.toolbar-separator {
    flex: 0 0 auto;

    width: 30px;
    height: 1px;

    margin: 10px 0;

    background: var(--border-dark);
}

#toolbar button {
    width: 40px;
    height: 40px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid transparent;
    border-radius: var(--radius-medium);

    background: var(--background-control);
    color: var(--text-primary);

    font-size: 17px;

    cursor: pointer;

    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

#toolbar button:hover {
    background: var(--background-control-hover);
    border-color: #566071;
}

#toolbar button:active {
    transform: translateY(1px);
}

#toolbar button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ==========================================================
   06. ALGEMENE KOPPEN
========================================================== */

.section-kicker {
    display: block;

    margin-bottom: 3px;

    color: var(--text-muted);

    font-size: 10px;
    font-weight: 700;

    letter-spacing: 0.75px;
    text-transform: uppercase;
}

.workspace-heading,
.editor-heading,
.panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 16px;
}

.workspace-heading h1,
.editor-heading h2,
.panel-heading h2 {
    font-weight: 650;
}

.workspace-heading h1 {
    font-size: 15px;
}

.editor-heading h2,
.panel-heading h2 {
    font-size: 16px;
}

/* ==========================================================
   07. PREVIEW / CANVAS
========================================================== */
/* ==========================================================
   WORKSPACE PANEL
========================================================== */

#workspacePanel {

    grid-area: workspace;

    min-width: 0;
    min-height: 0;

    display: grid;

    grid-template-rows:
        minmax(0, 1fr)
        5px
        var(--editor-height);

    overflow: hidden;

    background: var(--background-workspace);
}

/* ==========================================
   PREVIEW
========================================== */

#canvas {

    min-width: 0;
    min-height: 0;

    display: flex;
    flex-direction: column;

    padding: 14px 16px 10px;

    overflow: hidden;

    background: var(--background-workspace);
}

/* ==========================================
   SPLITTER
========================================== */

#editorSplitter {

    height: 5px;

    cursor: ns-resize;

    background: var(--border-dark);

    transition: background .15s ease;
}

#editorSplitter:hover {

    background: var(--accent);
}

/* ==========================================
   EDITOR
========================================== */

#editor {

    min-width: 0;
    min-height: 0;

    display: grid;

    grid-template-rows:
        auto
        42px
        minmax(0,1fr)
        28px;

    overflow: hidden;

    border-top: 1px solid var(--border-dark);

    background: #252a34;
}

.workspace-heading {
    flex: 0 0 auto;

    min-height: 38px;
    margin-bottom: 10px;
}

.preview-status {
    display: inline-flex;
    align-items: center;
    gap: 7px;

    color: var(--text-secondary);

    font-size: 11px;
    white-space: nowrap;
}

.status-dot {
    width: 7px;
    height: 7px;

    flex: 0 0 auto;

    border-radius: 50%;
    background: var(--accent);

    box-shadow: 0 0 0 4px var(--accent-soft);
}

.status-dot-success {
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(67, 184, 108, 0.14);
}

#workspace {

    min-width: 0;
    min-height: 0;

    flex: 1;

    display: flex;

    align-items: center;
    justify-content: center;

    padding: 12px;

    overflow: hidden;

}

#page {

    width: 100%;
    height: 100%;

    display: flex;

    align-items: center;
    justify-content: center;

    background: transparent;

    overflow: hidden;

}

#viewer {

    position: relative;

    display: inline-flex;

    align-items: center;
    justify-content: center;

    transform-origin: 0 0;

    will-change: transform;

    background: transparent;

}

#viewport {

    flex: 1;

    width: 100%;
    height: 100%;

    display: flex;

    align-items: center;
    justify-content: center;

    overflow: hidden;

    position: relative;

}

#stepImage {

    display: block;

    max-width: 100%;
    max-height: 100%;

    width: auto;
    height: auto;

    object-fit: contain;

    border-radius: var(--radius-large);

    box-shadow: var(--shadow-workspace);

}

#selectionLayer {
    position: absolute;
    inset: 0;

    pointer-events: none;
}

/* ==========================================================
   08. STAPINSTELLINGEN EN INSPECTOR
========================================================== */

#properties {
    grid-area: properties;

    min-width: 0;
    min-height: 0;

    background: var(--background-panel);
    border-left: 1px solid var(--border-dark);

    overflow-y: auto;
    overflow-x: hidden;
}

.properties-section {
    padding: 18px;

    border-bottom: 1px solid var(--border-dark);
}

.panel-heading {
    margin-bottom: 14px;
}

.property-group {
    display: flex;
    flex-direction: column;
}

.property-group label {
    margin: 11px 0 6px;

    color: var(--text-secondary);

    font-size: 11px;
    font-weight: 600;
}

.property-group input,
.property-group select {
    width: 100%;

    padding: 9px 10px;

    border: 1px solid #505866;
    border-radius: var(--radius-small);

    background: var(--background-control);
    color: var(--text-primary);

    font-size: 13px;

    transition:
        border-color var(--transition-fast),
        background var(--transition-fast),
        box-shadow var(--transition-fast);
}

.property-group input[readonly] {
    color: var(--text-secondary);
    background: #303641;
}

.property-group input:hover,
.property-group select:hover {
    background: #3b424f;
}

.property-group input:focus,
.property-group select:focus {
    outline: none;

    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.accordion {
    cursor: pointer;
}

.accordion-indicator {
    color: var(--text-secondary);
    font-size: 18px;
}

.inspector-list {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.inspector-item {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 8px;

    padding: 10px;

    border: 1px solid transparent;
    border-radius: var(--radius-medium);

    font-size: 12px;
}

.inspector-item strong {
    display: block;

    margin-bottom: 3px;

    color: var(--text-primary);
    font-size: 12px;
}

.inspector-item p {
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.4;
}

.inspector-icon {
    display: flex;
    justify-content: center;

    font-size: 14px;
}

.inspector-item.warning {
    background: rgba(216, 163, 63, 0.17);
    border-color: rgba(216, 163, 63, 0.28);
}

.inspector-item.suggestion {
    background: rgba(63, 155, 210, 0.16);
    border-color: rgba(63, 155, 210, 0.26);
}

.inspector-item.success {
    background: rgba(67, 184, 108, 0.15);
    border-color: rgba(67, 184, 108, 0.25);
}

/* ==========================================================
   09. INSTRUCTION EDITOR
========================================================== */

#editor {
    
    display: grid;

    grid-template-rows:
        auto
        42px
        minmax(0, 1fr)
        28px;

    background: #252a34;
    color: var(--text-primary);

    border-top: 1px solid var(--border-dark);

    overflow: hidden;
}

.editor-heading {
    min-height: 48px;

    padding: 8px 14px;

    background: #2c313c;
    border-bottom: 1px solid var(--border-dark);
}

.editor-heading .section-kicker {
    color: var(--text-muted);
}

.editor-heading h2 {
    color: var(--text-primary);
}

.editor-step-counter {
    color: var(--text-secondary);

    font-size: 11px;
    white-space: nowrap;
}

#editorToolbar {
    display: flex;
    align-items: center;
    gap: 5px;

    padding: 5px 12px;

    background: #292e38;
    border-bottom: 1px solid var(--border-dark);

    overflow-x: auto;
    overflow-y: hidden;
}

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

.editor-separator {
    width: 1px;
    height: 21px;

    flex: 0 0 auto;

    margin: 0 4px;

    background: #49515f;
}

#editorToolbar button {
    min-width: 30px;
    height: 30px;

    padding: 0 7px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 1px solid transparent;
    border-radius: var(--radius-small);

    background: transparent;
    color: var(--text-primary);

    cursor: pointer;

    transition:
        background var(--transition-fast),
        border-color var(--transition-fast);
}

#editorToolbar button:hover {
    background: #3a414e;
    border-color: #525c6d;
}

#editorToolbar button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

#instructionEditor {
    min-width: 0;
    min-height: 0;

    padding: 14px 18px;

    background: #222731;
    color: var(--text-primary);

    font-size: 14px;
    line-height: 1.6;

    outline: none;
    overflow-y: auto;
    overflow-x: hidden;

    caret-color: var(--accent);
}

#instructionEditor:focus {
    box-shadow: inset 3px 0 0 var(--accent);
    background: #242a35;
}

#instructionEditor p + p {
    margin-top: 8px;
}

#instructionEditor strong {
    color: #ffffff;
}

.editor-statusbar {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 12px;

    padding: 0 14px;

    background: #292e38;
    border-top: 1px solid var(--border-dark);

    color: var(--text-secondary);

    font-size: 10px;
}

.editor-statusbar span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

/* ==========================================================
   10. FILMSTRIP
========================================================== */

#filmstrip {
    grid-area: filmstrip;

    min-width: 0;
    min-height: 0;

    display: grid;
    grid-template-columns: 46px minmax(0, 1fr) 46px;

    background: var(--background-panel-alt);
    border-top: 1px solid var(--border-dark);

    overflow: hidden;
}

.film-navigation {
    width: 100%;
    height: 100%;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 0;

    background: #282d36;
    color: var(--text-secondary);

    font-size: 34px;
    font-weight: 300;

    cursor: pointer;

    transition:
        background var(--transition-fast),
        color var(--transition-fast);
}

.film-navigation:first-child {
    border-right: 1px solid var(--border-dark);
}

.film-navigation:last-child {
    border-left: 1px solid var(--border-dark);
}

.film-navigation:hover {
    background: #343a46;
    color: var(--text-primary);
}

.film-navigation:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -3px;
}

#filmstripTrack {
    min-width: 0;

    display: flex;
    align-items: center;
    gap: 10px;

    padding: 9px 14px;

    overflow-x: auto;
    overflow-y: hidden;

    scrollbar-width: thin;
}

.film-item {
    width: 105px;

    flex: 0 0 auto;

    border: 2px solid transparent;
    border-radius: var(--radius-medium);

    background: #343a46;

    overflow: hidden;
    cursor: pointer;

    transition:
        border-color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
}

.film-item:hover {
    border-color: #6e7b91;
}

.film-item.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.film-item:active {
    transform: translateY(1px);
}

.thumb {

    position: relative;

    width: 100%;
    height: 58px;

    overflow: hidden;

    display: flex;
    align-items: center;
    justify-content: center;

    background: #1b1f27;

    border-radius: 4px;

}
.thumb img {

    width: 100%;
    height: 100%;

    object-fit: cover;

    display: block;

}

.caption {
    height: 25px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 6px;

    padding: 0 7px;

    background: #303641;
    color: var(--text-primary);

    font-size: 10px;
}

.step-id {
    font-weight: 700;
}

.step-type {
    color: var(--text-secondary);
}

.film-arrow {
    height: 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    flex: 0 0 auto;

    color: #7f92eb;
    font-size: 19px;
}

#addStep {
    width: 38px;
    height: 38px;

    flex: 0 0 auto;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    border: 0;
    border-radius: 50%;

    background: var(--accent);
    color: #ffffff;

    font-size: 24px;
    font-weight: 300;

    cursor: pointer;

    transition:
        background var(--transition-fast),
        transform var(--transition-fast);
}

#addStep:hover {
    background: var(--accent-hover);
}

#addStep:active {
    transform: scale(0.97);
}

#addStep:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

/* ==========================================================
   11. SCROLLBARS
========================================================== */

#properties,
#instructionEditor,
#filmstripTrack,
#toolbar {
    scrollbar-color: #596273 transparent;
    scrollbar-width: thin;
}

#properties::-webkit-scrollbar,
#instructionEditor::-webkit-scrollbar,
#filmstripTrack::-webkit-scrollbar,
#toolbar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

#properties::-webkit-scrollbar-thumb,
#instructionEditor::-webkit-scrollbar-thumb,
#filmstripTrack::-webkit-scrollbar-thumb,
#toolbar::-webkit-scrollbar-thumb {
    border: 2px solid transparent;
    border-radius: 8px;

    background: #596273;
    background-clip: padding-box;
}

/* ==========================================================
   12. RESPONSIVE GEDRAG
========================================================== */

@media (max-width: 1100px) {
    :root {
        --properties-width: 270px;
        --editor-height: 170px;
    }

    #instructionHeaderTitle,
    #instructionHeaderMeta {
        display: none;
    }
}

@media (max-width: 860px) {
    :root {
        --toolbar-width: 54px;
        --properties-width: 240px;
        --editor-height: 165px;
    }

    #canvas {
        padding-left: 10px;
        padding-right: 10px;
    }

    .workspace-heading h1 {
        font-size: 13px;
    }

    .properties-section {
        padding: 14px;
    }
}

@media (max-height: 760px) {
    :root {
        --editor-height: 160px;
        --filmstrip-height: 100px;
    }

    #canvas {
        padding-top: 9px;
        padding-bottom: 10px;
    }

    .workspace-heading {
        min-height: 32px;
        margin-bottom: 6px;
    }

    .editor-heading {
        min-height: 42px;
    }

    .thumb {
        height: 49px;
    }

    .film-arrow {
        height: 49px;
    }

    .film-item {
        width: 94px;
    }
}

/* ==========================================================
   13. CANVAS UX — BUILD 2.5.3
========================================================== */

.zoom-indicator {
    min-width: 58px;
    height: 28px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 0 11px;

    border: 1px solid var(--border-dark);
    border-radius: var(--radius-small);

    background: var(--background-control);
    color: var(--text-primary);

    font-size: 11px;
    font-variant-numeric: tabular-nums;
    font-weight: 650;

    cursor: pointer;
    user-select: none;

    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.zoom-indicator:hover {
    background: var(--background-control-hover);
    border-color: #596579;
}

.zoom-indicator:active {
    transform: translateY(1px);
}

.zoom-indicator:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.zoom-indicator.is-actual-size {
    color: #ffffff;
}

.zoom-indicator.is-fit {
    border-color: rgba(91, 115, 255, 0.72);
    box-shadow: 0 0 0 2px var(--accent-soft);
}

.preview-status-separator {
    width: 1px;
    height: 18px;

    background: var(--border-dark);
}

#viewport {
    cursor: default;
    touch-action: none;
    user-select: none;
}

#viewport.is-panning,
#viewport.is-panning * {
    cursor: grabbing !important;
    user-select: none !important;
}

#viewer.is-zoom-animating {
    transition: transform 160ms ease-out;
}

#stepImage {
    -webkit-user-drag: none;
    user-select: none;
}
/* ==========================================
   Build 2.6.2 - Tool Engine
========================================== */

#toolbar button {

    transition:
        background 0.15s ease,
        border-color 0.15s ease,
        box-shadow 0.15s ease,
        transform 0.10s ease;

}

.tool-active {

    background: var(--accent) !important;

    border-color: var(--accent-hover) !important;

    color: #ffffff !important;

    box-shadow:
        0 0 0 3px var(--accent-soft);

}

.tool-active:hover {

    background: var(--accent-hover) !important;

}
/* ==========================================================
   Build 2.6.3
   Annotation Layer
========================================================== */

#viewer {

    position: relative;

}

#annotationLayer {

    position: absolute;

    inset: 0;

    z-index: 20;

    pointer-events: auto;

    overflow: hidden;

}

#selectionLayer {

    position: absolute;

    inset: 0;

    z-index: 30;

    pointer-events: none;

    overflow: hidden;

}
#annotationCanvas,
#annotationObjects {

    position: absolute;

    inset: 0;

    width: 100%;
    height: 100%;

}
.annotation {

    position: absolute;

    pointer-events: auto;

    box-sizing: border-box;

}

.annotation-selected {

    outline: 2px solid var(--accent);

    outline-offset: 2px;

}
/* ==========================================================
   Build 2.6.7
   Resize Handles
========================================================== */

.resize-handle {

    position: absolute;

    width: 10px;
    height: 10px;

    background: #ffffff;

    border: 2px solid var(--accent);

    border-radius: 2px;

    box-sizing: border-box;

    z-index: 100;

}

/* Hoeken */

.resize-nw {

    left: -5px;
    top: -5px;

    cursor: nwse-resize;

}

.resize-ne {

    right: -5px;
    top: -5px;

    cursor: nesw-resize;

}

.resize-sw {

    left: -5px;
    bottom: -5px;

    cursor: nesw-resize;

}

.resize-se {

    right: -5px;
    bottom: -5px;

    cursor: nwse-resize;

}

/* Midden */

.resize-n {

    left: 50%;
    top: -5px;

    transform: translateX(-50%);

    cursor: ns-resize;

}

.resize-s {

    left: 50%;
    bottom: -5px;

    transform: translateX(-50%);

    cursor: ns-resize;

}

.resize-e {

    right: -5px;
    top: 50%;

    transform: translateY(-50%);

    cursor: ew-resize;

}

.resize-w {

    left: -5px;
    top: 50%;

    transform: translateY(-50%);

    cursor: ew-resize;

}
/* ==========================================================
   Build 3.1.5a
   Arrow UX Refinement
========================================================== */

/*
 * De selectiecontainer blijft nodig om de drie pijlhandles te
 * positioneren, maar het rechthoekige kader zelf is onzichtbaar.
 */
.annotation-selection-box--arrow {
    border: 0 !important;
    background: transparent !important;
    outline: 0 !important;
}

.arrow-endpoint-handle {
    box-shadow: 0 0 0 2px var(--accent-soft);
}

/* ==========================================================
   Build 2.8.4
   Professional Arrow Tool
========================================================== */

.annotation-arrow svg {
    display: block;
    overflow: visible;
}

.arrow-bend-handle {
    margin: 0;
    padding: 0;
    border: 2px solid var(--accent);
    border-radius: 50%;
    background: #ffffff;
    box-sizing: border-box;
    pointer-events: auto;
    cursor: grab;
    box-shadow: 0 0 0 3px var(--accent-soft);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.arrow-bend-handle:hover {
    transform: scale(1.12);
    box-shadow: 0 0 0 5px var(--accent-soft);
}

.arrow-bend-handle:active {
    cursor: grabbing;
}

.annotation-property-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 10px;
}

.annotation-range-heading,
.annotation-color-control {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.annotation-color-control input[type="color"] {
    width: 44px;
    min-width: 44px;
    height: 30px;
    padding: 2px;
    cursor: pointer;
}

.annotation-color-control output,
.annotation-range-heading output {
    color: var(--text-secondary);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

.annotation-type-badge {
    padding: 3px 7px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--text-primary);
    font-size: 10px;
    font-weight: 650;
}


/* ==========================================================
   Build 2.9.0
   Professional Circle Tool
========================================================== */

.annotation-circle svg {
    display: block;
    overflow: visible;
}

.annotation-circle ellipse {
    vector-effect: non-scaling-stroke;
}


/* ==========================================================
   Build 3.0.2 – Properties UX Refinement
========================================================== */
.annotation-property-groups { display: flex; flex-direction: column; gap: 14px; }
.annotation-property-section { display: flex; flex-direction: column; gap: 9px; padding-top: 12px; border-top: 1px solid var(--border-dark); }
.annotation-property-section:first-child { padding-top: 0; border-top: 0; }
.annotation-property-section[hidden] { display: none !important; }
.annotation-group-title { margin: 0; color: var(--text-primary); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.annotation-property-row { gap: 5px; margin-top: 0; }
.annotation-property-row[hidden] { display: none !important; }
.annotation-property-row--color, .annotation-property-row--inline { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.annotation-property-row--color > label, .annotation-property-row--inline > label { margin: 0; }
.annotation-property-row--inline select { width: auto; min-width: 126px; }
.annotation-color-control { justify-content: flex-end; gap: 8px; }
.annotation-color-control input[type="color"] { width: 34px; min-width: 34px; height: 26px; padding: 2px; }
.annotation-color-control output { min-width: 58px; text-align: right; }
.annotation-range-heading { min-height: 18px; }
.annotation-range-heading output { min-width: 42px; text-align: right; color: var(--text-primary); }
.annotation-property-row input[type="range"] { height: 18px; }
.annotation-properties-section .panel-heading { margin-bottom: 12px; }

/* ==========================================================
   Build 3.0.2a – UX Stabilization
========================================================== */

/* Weergavekeuze volgt opnieuw het donkere Studio-thema. */
.annotation-properties-section .annotation-property-row--inline select {
    min-width: 126px;
    width: auto;
    padding: 7px 30px 7px 10px;
    border: 1px solid var(--border-dark);
    border-radius: 7px;
    background-color: var(--background-control);
    color: var(--text-primary);
    font: inherit;
    color-scheme: dark;
}

.annotation-properties-section .annotation-property-row--inline select:hover {
    border-color: var(--accent);
}

.annotation-properties-section .annotation-property-row--inline select:focus {
    border-color: var(--accent);
    outline: 2px solid rgba(77, 163, 255, 0.18);
    outline-offset: 1px;
}

/* Sliderlabel, slider en actuele waarde staan werkelijk op één regel. */
.annotation-properties-section .annotation-property-row:not(.annotation-property-row--color):not(.annotation-property-row--inline) {
    display: grid;
    grid-template-columns: minmax(82px, auto) minmax(70px, 1fr) auto;
    align-items: center;
    column-gap: 10px;
    row-gap: 0;
}

.annotation-properties-section .annotation-property-row:not(.annotation-property-row--color):not(.annotation-property-row--inline) .annotation-range-heading {
    display: contents;
}

.annotation-properties-section .annotation-property-row:not(.annotation-property-row--color):not(.annotation-property-row--inline) .annotation-range-heading label {
    grid-column: 1;
    margin: 0;
    white-space: nowrap;
}

.annotation-properties-section .annotation-property-row:not(.annotation-property-row--color):not(.annotation-property-row--inline) input[type="range"] {
    grid-column: 2;
    width: 100%;
    min-width: 0;
    margin: 0;
}

.annotation-properties-section .annotation-property-row:not(.annotation-property-row--color):not(.annotation-property-row--inline) .annotation-range-heading output {
    grid-column: 3;
    min-width: 44px;
    margin: 0;
    text-align: right;
    white-space: nowrap;
}

/* Kleurkiezer en hexwaarde blijven samen met het label op één regel. */
.annotation-properties-section .annotation-property-row--color {
    grid-template-columns: minmax(82px, 1fr) auto;
    min-height: 30px;
}

.annotation-properties-section .annotation-color-control {
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 7px;
}

.annotation-properties-section .annotation-color-control output {
    line-height: 1;
    white-space: nowrap;
}

.annotation-properties-section .annotation-property-section {
    gap: 7px;
}

.annotation-properties-section .annotation-property-groups {
    gap: 11px;
}


/* ==========================================================
   Build 3.1.0 – Privacy Framework
   Build 3.1.1 – Blur Tool
   Build 3.1.2 – Privacy Icon & UX Refinement
   Build 3.1.3 – Pixelate & Redigeren
========================================================== */
.toolbar-tool-groups {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.toolbar-tool-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.toolbar-section-label {
    max-width: 52px;
    overflow: hidden;
    color: var(--text-secondary);
    font-size: 8px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: .06em;
    text-align: center;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
}
.toolbar-tool-section + .toolbar-tool-section {
    padding-top: 8px;
    border-top: 1px solid var(--border-dark);
}

.privacy-tool-button .privacy-tool-icon {
    width: 25px;
    height: 25px;
    display: block;
    overflow: visible;
}

.privacy-tool-icon-head,
.privacy-tool-icon-shoulders {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.privacy-tool-icon-bar {
    fill: #050607;
    stroke: #050607;
    stroke-width: .4;
}

.privacy-tool-button[aria-pressed="true"] .privacy-tool-icon-bar,
.privacy-tool-button.active .privacy-tool-icon-bar {
    fill: currentColor;
    stroke: currentColor;
}

.annotation-privacy {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Build 3.1.1 – echte live blur van de screenshot achter het vlak. */
.annotation-privacy-blur--active {
    --privacy-blur-intensity: 18px;
    background: rgba(255, 255, 255, .01);
    -webkit-backdrop-filter: blur(var(--privacy-blur-intensity));
    backdrop-filter: blur(var(--privacy-blur-intensity));
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

/* Build 3.1.3 – echte Pixelate- en Redigeren-weergave. */
.annotation-privacy-pixelate--active {
    background: rgba(17, 24, 34, .12);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.privacy-pixelate-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    image-rendering: pixelated;
    pointer-events: none;
}

.privacy-pixelate-canvas--fallback {
    background-color: rgba(28, 36, 48, .92);
    background-image: repeating-linear-gradient(
        135deg,
        rgba(255, 255, 255, .12) 0,
        rgba(255, 255, 255, .12) 6px,
        transparent 6px,
        transparent 12px
    );
}

.annotation-privacy-blackout--active {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
}


/* ==========================================================
   BUILD 3.1.4a - NAVIGATION ENGINE
========================================================== */

.film-navigation:disabled {
    background: #22262e;
    color: #59606d;
    cursor: default;
    opacity: 0.65;
}

.film-navigation:disabled:hover {
    background: #22262e;
    color: #59606d;
}

.film-item:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Build 3.1.4b – command state */
#toolbar button:disabled {
    opacity: 0.35;
    cursor: default;
    filter: grayscale(1);
}

/* ==========================================================
   BUILD 3.3.0 - STUDIO HOME EXPERIENCE
========================================================== */
.studio-home {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: 42px;
    background:
        radial-gradient(circle at 22% 20%, rgba(22, 124, 255, .16), transparent 34%),
        linear-gradient(135deg, #07101d 0%, #0b1422 52%, #101b2b 100%);
    color: #f5f8fc;
    transition: opacity .18s ease, visibility .18s ease;
}

.studio-home--hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.studio-home-shell {
    width: min(1120px, 94vw);
    min-height: min(700px, 88vh);
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(310px, .8fr);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 26px;
    background: rgba(11, 20, 34, .90);
    box-shadow: 0 30px 90px rgba(0, 0, 0, .46);
}

.studio-home-main {
    padding: 58px 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.studio-home-logo {
    width: min(500px, 76%);
    height: auto;
    object-fit: contain;
    object-position: left center;
    margin: 0 0 34px;
    border-radius: 14px;
}

.studio-home-eyebrow,
.studio-home-release-label {
    margin: 0 0 10px;
    color: #55a7ff;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .16em;
}

.studio-home-main h1 {
    max-width: 650px;
    margin: 0;
    font-size: clamp(34px, 4vw, 56px);
    line-height: 1.03;
    letter-spacing: -.035em;
}

.studio-home-intro {
    max-width: 610px;
    margin: 20px 0 34px;
    color: #aebbd0;
    font-size: 18px;
    line-height: 1.6;
}

.studio-home-actions {
    display: grid;
    gap: 12px;
    max-width: 620px;
}

.studio-home-action {
    display: flex;
    align-items: center;
    gap: 18px;
    width: 100%;
    padding: 18px 20px;
    text-align: left;
    color: #edf5ff;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 14px;
    background: rgba(255,255,255,.045);
    cursor: pointer;
}

.studio-home-action:hover {
    border-color: rgba(69, 157, 255, .65);
    background: rgba(42, 124, 220, .12);
}

.studio-home-action--primary {
    border-color: #2589f5;
    background: linear-gradient(135deg, #087cf0, #1166c8);
}

.studio-home-action--primary:hover {
    background: linear-gradient(135deg, #178cff, #1972d5);
}

.studio-home-action-icon {
    width: 34px;
    flex: 0 0 34px;
    color: #9dcbff;
    font-size: 24px;
    text-align: center;
}

.studio-home-action--primary .studio-home-action-icon { color: #fff; }
.studio-home-action strong { display: block; font-size: 16px; }
.studio-home-action small { display: block; margin-top: 4px; color: #aebbd0; font-size: 12px; }
.studio-home-action--primary small { color: rgba(255,255,255,.78); }

.studio-home-notice {
    max-width: 620px;
    margin-top: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: #c7d8ed;
    background: rgba(255,255,255,.06);
    font-size: 13px;
}

.studio-home-side {
    padding: 54px 42px 34px;
    display: flex;
    flex-direction: column;
    border-left: 1px solid rgba(255,255,255,.09);
    background: rgba(255,255,255,.035);
}

.studio-home-release h2 { margin: 0 0 16px; font-size: 26px; }
.studio-home-release p,
.studio-home-release li { color: #aebbd0; line-height: 1.55; }
.studio-home-release ul { margin: 20px 0 0; padding-left: 20px; }
.studio-home-release li { margin: 9px 0; }

.studio-home-links {
    margin-top: auto;
    display: grid;
    gap: 10px;
}

.studio-home-link {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 10px;
    color: #dcecff;
    background: rgba(255,255,255,.045);
    cursor: pointer;
    text-align: left;
}

.studio-home-link:hover { border-color: rgba(69,157,255,.65); }
.studio-home-link--quiet { color: #9facbf; background: transparent; }

.studio-home-footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,.08);
    color: #6f7e93;
    font-size: 11px;
}

.app-brand-logo { cursor: pointer; }

@media (max-width: 850px) {
    .studio-home { padding: 18px; overflow: auto; }
    .studio-home-shell { grid-template-columns: 1fr; }
    .studio-home-main { padding: 36px; }
    .studio-home-side { padding: 34px 36px; border-left: 0; border-top: 1px solid rgba(255,255,255,.09); }
    .studio-home-logo { width: min(430px, 90%); }
}