@font-face {
    font-family: 'Plus Jakarta Sans';
    src: url('../misc/fonts/PlusJakartaSans-Variable.woff2') format('woff2');
    font-weight: 300 800;
    font-style: normal;
    font-display: optional;
}

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

:root {
    --accent: #4c47e2;
    --black: #111111;
    --mid: #5c5c5c;
    --border: #bdbdbd;
    --bg: #d7d7d7;
    --shadow: #a8a8a8;
    --surface: #cbcbcb;
    --button-surface: #d7d7d7;
    --workspace: #b0b0b0;

    --machine-green: #2fae60;
}

html.dark {
    --black: #f0f0f0;
    --mid: #a0a0a0;
    --border: #2a2a2a;
    --bg: #111111;
    --shadow: #000000;
    --surface: #222222;
    --button-surface: #191919;
    --workspace: #343434;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--black);
    font-family: 'Plus Jakarta Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
    transition:
        background 0.3s ease,
        color 0.3s ease;
}

button,
input {
    font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 28px 70px 28px 40px;
}

h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.7px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.github-btn {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 11px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--black);
    text-decoration: none;
    white-space: nowrap;
    transition: border-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.github-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 2px 2px 0 0 var(--accent);
}

.wip-ribbon {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 60;
    padding: 8px 12px;
    background: #ffa808;
    color: #1a1a1a;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
}

.close-btn {

    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(0, 0, 0, 0.35);
    color: #fff;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.close-btn:hover:not(:disabled) {
    border-color: #fff;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    box-shadow: none;
}

main {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 40px 60px;
}

.layout {
    width: 100%;
    max-width: 1100px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
}

.stage-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 1000 / 780;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    transition:
        background 0.3s ease,
        border-color 0.3s ease;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    touch-action: none;
    cursor: default;
}

canvas.drawable {
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='5' fill='%234C47E2' stroke='white' stroke-width='2'/%3E%3C/svg%3E") 8 8, crosshair;
}

.stage-controls {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px;
    max-width: calc(100% - 28px);
}

.stage-controls button {
    font-size: 13px;
    padding: 10px 18px;
    border-color: var(--machine-green);
}

.toggle-btn[aria-pressed="true"] {
    background: var(--black);
    color: var(--bg);
    border-color: var(--black);
}

.toggle-btn[aria-pressed="true"]:hover:not(:disabled) {
    color: var(--bg);
    border-color: var(--black);
    box-shadow: 2px 2px 0 var(--shadow);
}

.stage-readout {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 10px 14px;
    background: var(--surface);
    border-radius: 10px;
    transition: background 0.3s ease;
}

.readout-row {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    font-size: 12px;
}

.readout-label {
    color: var(--mid);
}

.readout-value {
    color: var(--black);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.readout-status {
    font-size: 12px;
    color: var(--mid);
}

.readout-status:empty {
    display: none;
}

#stabilizeBtn,
.stabilize-row,
#repeatBtn {
    display: none;
}

button {
    padding: 9px 14px;
    background: var(--button-surface);
    color: var(--black);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition:
        border-color 0.15s,
        color 0.15s,
        box-shadow 0.15s,
        opacity 0.15s;
}

button:hover:not(:disabled) {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: 2px 2px 0 var(--accent);
}

button.primary {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

button.primary:hover:not(:disabled) {
    color: #ffffff;
    box-shadow: 3px 3px 0 var(--shadow);
}

button:disabled {
    opacity: 0.45;
    cursor: default;
}

#info {
    width: 100%;
    max-width: 1100px;
    margin-bottom: 32px;
}

.info-about p {
    font-size: 13px;
    font-weight: 400;
    color: var(--mid);
    line-height: 1.7;
}

.info-about p + p {
    margin-top: 14px;
}

.github-btn-bottom {
    display: none;
}

@media (max-width: 700px) {
    header {
        padding: 20px;
    }

    main {
        padding: 0 20px 40px;
    }

    .stage-controls {
        top: 10px;
        max-width: calc(100% - 20px);
    }

    .stage-readout {
        display: none;
    }

    .header-actions .github-btn {
        display: none;
    }

    .github-btn-bottom {
        display: inline-block;
        margin-top: 24px;
        font-family: 'Plus Jakarta Sans', sans-serif;
        font-size: 12px;
        font-weight: 600;
        padding: 8px 14px;
        border-radius: 6px;
        border: 1px solid var(--border);
        background: var(--bg);
        color: var(--black);
        text-decoration: none;
    }
}