/* ─── Canvas optimization ────────────────────────────────────────────────── */
#canvas {
    will-change: transform;
}

/* ─── Playground page overrides ──────────────────────────────────────────── */

/* Shared X anchor: logo centre = slider track = 6.32vw from left           */
/* (matches Figma: 91px on 1440px design frame)                              */
:root {
    --pg-x: 6.32vw;
}

/* Match about.html background exactly */
body.light-mode {
    background-color: #fcfbf7;
}

/* ─── Logo (top-left → about.html) ──────────────────────────────────────── */
#pg-logo {
    position: absolute;
    left: calc(var(--pg-x) - 17px);   /* centre logo at --pg-x */
    top: 3vh;
    width: 34px;
    height: 34px;
    display: block;
    z-index: 100;
}

#pg-logo img {
    width: 100%;
    height: 100%;
    display: block;
}

/* ─── Shared top group: icons row + indicators row, edges aligned ────────── */
#pg-top-group {
    position: absolute;
    top: 3vh;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 100;
}

#pg-top-icons {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

#pg-indicators {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    font-size: 12px;
    font-family: 'ArbelG', 'Helvetica Neue', Arial, sans-serif;
}

#pg-indicators span {
    white-space: nowrap;
}

body.dark-mode #pg-indicators  { color: #ffffff; }
body.light-mode #pg-indicators { color: #000000; }
body.color-mode #pg-indicators { color: #A9DEFE; }

/* Override layout.css absolute positioning for these elements */
#pg-top-icons #theme-toggle,
#pg-top-icons #reset-btn {
    position: static;
    top: auto;
    right: auto;
    width: 18px;
    height: 18px;
    color: #000;
    cursor: pointer;
}

#font-btn {
    position: static;
    width: 18px;
    height: 18px;
    display: block;
    cursor: pointer;
    object-fit: contain;
    /* override components.css positioning */
    top: auto;
    left: auto;
    background: none;
    border: none;
    padding: 0;
    font-size: 0;
}

#screenshot-btn {
    position: static;
    width: 18px;
    height: 18px;
    display: block;
    cursor: pointer;
    object-fit: contain;
    top: auto;
    left: auto;
    background: none;
    border: none;
    padding: 0;
    font-size: 0;
}

body.dark-mode #pg-top-icons #theme-toggle,
body.dark-mode #pg-top-icons #reset-btn {
    color: #ffffff;
}

body.light-mode #pg-top-icons #theme-toggle,
body.light-mode #pg-top-icons #reset-btn {
    color: #000000;
}

body.color-mode #pg-top-icons #theme-toggle,
body.color-mode #pg-top-icons #reset-btn {
    color: #A9DEFE;
}

/* ─── Nav dot (top-right → nav.html) ────────────────────────────────────── */
#pg-nav-dot {
    position: absolute;
    right: var(--spacing-left);
    top: 3vh;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: #000;
    display: block;
    z-index: 100;
    text-decoration: none;
}

body.dark-mode #pg-nav-dot  { background-color: #ffffff; }
body.light-mode #pg-nav-dot { background-color: #000000; }
body.color-mode #pg-nav-dot { background-color: #A9DEFE; }

/* ─── Left slider aligned to --pg-x ─────────────────────────────────────── */
#left-slider-container {
    left: var(--pg-x);
}

#left-slider-container::before {
    width: 1.5px;
}

/* ─── Parameters row – footer nav style ─────────────────────────────────── */

.parameters-panel {
    top: auto;
    bottom: 5vh;
    left: 8%;
    right: 8%;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3vw;
    /* override flex properties from components.css */
    flex-direction: row;
}

.parameters-panel label {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 16px;
    font-family: 'ArbelG', 'Helvetica Neue', Arial, sans-serif;
    text-transform: none;
    white-space: nowrap;
    cursor: pointer;
    margin: 0;
    padding: 0;
    height: auto;
    border: none !important;
    border-radius: 0;
    transition: none;
    transform: none !important;
    flex-shrink: 1;
}

.parameters-panel label:hover:not(.active) {
    transform: none !important;
}

.param-square {
    display: none;
}

/* Line indicator below active label */
.parameters-panel label::after {
    content: '';
    display: block;
    width: 100%;
    height: 1.5px;
    background: transparent;
    margin-top: 0.5vw;
    flex-shrink: 0;
}

.parameters-panel label.active::after {
    background: currentColor;
}

/* ─── Custom cursor ──────────────────────────────────────────────────────── */

*, *:hover, *:active { cursor: none !important; }

#custom-cursor {
    position: fixed;
    width: 1.25vw;
    height: 1.25vw;
    border-radius: 50%;
    background-color: transparent;
    border: 1.5px solid #000;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    top: -100px;
    left: -100px;
    transition: border-color 0.2s ease;
}

#custom-cursor.snapped {
    transition: border-color 0.2s ease,
                width  0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                height 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                left   0.3s  cubic-bezier(0.25, 0.46, 0.45, 0.94),
                top    0.3s  cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Slider snap: cursor locks to ball center, size transition only (no position lag) */
#custom-cursor.slider-snapped {
    width: 2.8125vw !important;
    height: 2.8125vw !important;
    transition: border-color 0.2s ease,
                width  0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                height 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

#left-slider { pointer-events: none !important; cursor: none !important; }

body.dark-mode #custom-cursor  { border-color: #ffffff; }
body.light-mode #custom-cursor { border-color: #000000; }
body.color-mode #custom-cursor { border-color: #A9DEFE; }

/* Font button: inverted for dark mode */
body.dark-mode #font-btn        { filter: invert(1); }

/* Screenshot button: theme-aware tint */
body.dark-mode #screenshot-btn  { filter: brightness(0) invert(1); }
body.light-mode #screenshot-btn { filter: brightness(0); }