.ss-stage {
    --ss-vh: calc(100vh - 90px);
    width: min(100vw - 40px, 1320px);
    margin-inline: calc(50% - min(50vw - 20px, 660px));
    display: grid;
    grid-template-columns: auto 320px;
    gap: 18px;
    align-items: start;
    justify-content: center;
    margin-top: 8px;
    margin-bottom: 24px;
}
.ss-col-main {
    display: flex; flex-direction: column; gap: 10px;
    width: min(calc(var(--ss-vh) - 120px), 960px, calc(100vw - 380px));
}
.ss-canvas-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    background: linear-gradient(#bcd0e0, #6f93ad);
    border-radius: 6px;
    overflow: hidden;
    line-height: 0;
}
.ss-canvas-wrap canvas {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    display: block;
    cursor: grab;
}
.ss-canvas-wrap canvas:active { cursor: grabbing; }
.ss-hint {
    font-size: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 0 2px;
}
.ss-hint b { color: var(--accent-color); font-weight: 700; }
.ss-hint kbd {
    font-family: inherit;
    font-size: 0.82em;
    font-weight: 700;
    color: var(--text-color);
    background: var(--bg-elevated);
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    padding: 1px 7px;
    line-height: 1.4;
}

.ss-col-side { display: flex; flex-direction: column; gap: 16px; }
.ss-panel {
    box-sizing: border-box;
    border: 1.5px solid var(--muted-color);
    border-radius: 6px;
    padding: 14px;
}

.ss-ctrl-section {
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--accent-color); margin: 4px 0 9px; padding-bottom: 4px;
    border-bottom: 1px solid var(--muted-color);
}
.ss-ctrl-section:not(:first-child) { margin-top: 18px; }
.ss-ctrl-group { margin-bottom: 14px; }
.ss-ctrl-group label { font-weight: 600; font-size: 0.9rem; display: flex; justify-content: space-between; }
.ss-ctrl-group output { color: var(--muted-color); font-weight: 400; }
.ss-ctrl-group input[type=range] { width: 100%; accent-color: var(--accent-color); }
.ss-ctrl-group small { display: block; margin-top: 3px; color: var(--muted-color); font-size: 0.78rem; }

.ss-toggles { display: flex; flex-direction: column; gap: 6px; }
.ss-toggles label { font-weight: 400; font-size: 0.88rem; justify-content: flex-start; gap: 7px; }
.ss-toggles input { accent-color: var(--accent-color); }

.ss-buttons { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.ss-buttons button {
    flex: 1; min-width: 90px;
    background: transparent; color: var(--text-color);
    border: 1.5px solid var(--accent-color); border-radius: 5px;
    padding: 9px; cursor: pointer; font: inherit; font-weight: 600;
}
.ss-buttons button:hover { background: var(--accent-color); color: var(--bg-color); }
.ss-buttons button.ss-primary { background: var(--accent-color); color: var(--bg-color); }
.ss-buttons button.ss-primary:hover { filter: brightness(1.1); }

.ss-diag-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; }
.ss-stat { display: flex; justify-content: space-between; font-size: 0.85rem; }
.ss-stat span { color: var(--muted-color); }
.ss-stat b { font-variant-numeric: tabular-nums; }
.ss-stat sub { font-size: 0.7em; }

.ss-fallback { padding: 2rem; color: var(--muted-color); text-align: center; }

.ss-warn { color: #b4452f; font-weight: 600; }
[data-theme="dark"] .ss-warn { color: #e08a6a; }
.ss-desktop-rec { display: none; }
@media (max-width: 800px), (pointer: coarse) {
    .ss-desktop-rec {
        display: block;
        color: #b4452f; font-weight: 600;
    }
    [data-theme="dark"] .ss-desktop-rec { color: #e08a6a; }
}
.ss-launch-gate {
    display: inline-block;
    background: var(--accent-color); color: var(--bg-color);
    border: none; border-radius: 6px;
    padding: 12px 28px; margin: 6px 0 4px;
    font: inherit; font-weight: 700; font-size: 1.05rem;
    cursor: pointer;
}
.ss-launch-gate:hover { filter: brightness(1.1); }
.ss-launch-gate:disabled { opacity: 0.5; cursor: not-allowed; }

.ss-overlay {
    position: absolute; inset: 0;
    pointer-events: none;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.ss-overlay > * { pointer-events: none; }

.ss-skip-count {
    position: absolute; top: 14px; left: 50%;
    transform: translateX(-50%);
    display: flex; align-items: baseline; gap: 6px;
    font-weight: 800; font-size: clamp(2.2rem, 7vw, 4rem); line-height: 1;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.45);
    animation: ss-pop 0.4s cubic-bezier(0.2, 1.5, 0.4, 1);
}
.ss-skip-count small { font-size: 0.32em; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; opacity: 0.9; }
@keyframes ss-pop {
    0%   { transform: translateX(-50%) scale(0.4); opacity: 0; }
    60%  { transform: translateX(-50%) scale(1.15); opacity: 1; }
    100% { transform: translateX(-50%) scale(1); opacity: 1; }
}

.ss-settle {
    position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
    background: rgba(0,0,0,0.42); color: #fff;
    padding: 7px 16px; border-radius: 999px;
    font-size: clamp(0.95rem, 2.4vw, 1.2rem); font-weight: 600;
    white-space: nowrap;
    animation: ss-fade-slide 0.45s ease both;
}
@keyframes ss-fade-slide {
    from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.ss-record {
    position: relative;
    display: flex; align-items: center; justify-content: center;
    animation: ss-record-in 0.5s cubic-bezier(0.2, 1.4, 0.4, 1) both;
}
.ss-record-text {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    font-weight: 800; color: #fff; text-align: center;
    font-size: clamp(1rem, 3vw, 1.5rem);
    text-shadow: 0 2px 14px rgba(0,0,0,0.5);
    letter-spacing: 0.04em; text-transform: uppercase;
}
.ss-record-text b {
    font-size: clamp(2.4rem, 9vw, 5rem); line-height: 1;
    background: linear-gradient(180deg, #fff6c2, #ffcf48 55%, #ff9d2e);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    -webkit-text-fill-color: transparent;
}
@keyframes ss-record-in {
    0%   { transform: scale(0.3) rotate(-6deg); opacity: 0; }
    70%  { transform: scale(1.1) rotate(2deg); opacity: 1; }
    100% { transform: scale(1) rotate(0); opacity: 1; }
}
.ss-record-burst { position: absolute; inset: 0; display: grid; place-items: center; }
.ss-spark {
    position: absolute; width: 10px; height: 10px; border-radius: 50%;
    background: radial-gradient(circle, #fff 0%, #ffd24a 55%, transparent 70%);
    transform: rotate(var(--a)) translateY(0);
    animation: ss-spark-fly 0.85s ease-out var(--d) both;
}
@keyframes ss-spark-fly {
    0%   { transform: rotate(var(--a)) translateY(0) scale(0.4); opacity: 0; }
    25%  { opacity: 1; }
    100% { transform: rotate(var(--a)) translateY(-150px) scale(1); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .ss-skip-count, .ss-settle, .ss-record, .ss-spark { animation: none; }
}

@media (max-width: 1000px) {
    .ss-stage { grid-template-columns: 1fr; width: auto; margin-inline: 0; }
    .ss-col-main { width: 100%; }
}