.awp {
    --awp-accent: var(--violet, #5b50e8);
    --awp-border: var(--card-border, #d9dbe7);
    --awp-muted: var(--text-secondary, #5f6472);
    margin-top: 10px;
    color: var(--text-primary, #111827);
}

.awp__toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.awp__button,
.awp__touch-toggle {
    min-height: 44px;
    box-sizing: border-box;
    border: 1px solid var(--awp-border);
    border-radius: 999px;
    background: var(--card-bg, #fff);
    color: inherit;
    font: inherit;
    font-size: .82rem;
    font-weight: 700;
}

.awp__button {
    padding: 9px 13px;
    cursor: pointer;
}

.awp__button[aria-pressed="true"] {
    border-color: var(--awp-accent);
    background: var(--violet-glow, #efedff);
    color: var(--awp-accent);
}

.awp__button:focus-visible,
.awp__touch-toggle:has(input:focus-visible),
.awp__canvas:focus-visible {
    outline: 3px solid var(--awp-accent);
    outline-offset: 3px;
}

.awp__button:disabled,
.awp__touch-toggle:has(input:disabled) {
    cursor: default;
    opacity: .55;
}

.awp__touch-toggle {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    cursor: pointer;
}

.awp__touch-toggle input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--awp-accent);
}

.awp__instruction {
    margin: 0 0 8px;
    color: var(--awp-muted);
    font-size: .78rem;
    line-height: 1.5;
}

.awp__gutter {
    max-height: min(72vh, 920px);
    overflow: auto;
    padding: 8px 24px;
    border: 1px solid var(--awp-border);
    border-radius: 12px;
    background: #eef0f5;
    overscroll-behavior: contain;
}

.awp__canvas {
    display: block;
    width: 100%;
    height: auto;
    box-sizing: border-box;
    border: 1px solid #c9ccd6;
    border-radius: 6px;
    background: #fff;
    box-shadow: 0 1px 3px rgba(15, 23, 42, .08);
    cursor: crosshair;
    touch-action: none;
}

.awp--read-only .awp__canvas {
    cursor: default;
    touch-action: pan-y;
}

[data-dark] .awp__button,
[data-dark] .awp__touch-toggle {
    background: var(--surface-muted, #222226);
    border-color: var(--line, #45454d);
    color: var(--text-primary, #f5f5f7);
}

[data-dark] .awp__button[aria-pressed="true"] {
    border-color: var(--violet-text, #b5adff);
    color: var(--violet-text, #b5adff);
}

[data-dark] .awp__gutter {
    border-color: var(--line, #45454d);
    background: #222226;
}

[data-dark] .awp__canvas {
    /* Display only: preserve black-on-white pixels for PNG export and marking. */
    filter: invert(.9) hue-rotate(180deg);
    border-color: #8b8990;
    box-shadow: none;
}

@media (max-width: 600px) {
    .awp__toolbar {
        gap: 6px;
    }

    .awp__button,
    .awp__touch-toggle {
        flex: 1 1 auto;
        justify-content: center;
    }

    .awp__gutter {
        max-height: 68vh;
        padding: 6px 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .awp__button {
        transition: none;
    }
}