.tetris-tool-content {
    color: var(--tetris-text, #f8fbff);
}

body[data-current-route="tool-003"] {
    background: #02050d;
}

body.is-tetris-immersive {
    overflow: hidden;
}

body.is-tetris-immersive .app-container,
body.is-tetris-immersive .main-container {
    width: 100vw;
    max-width: 100vw;
    overflow: hidden;
}

body.is-tetris-immersive .sidebar {
    display: none;
}

body.is-tetris-immersive .main-container {
    padding: 0;
}

body.is-tetris-immersive .tetris-tool-content {
    position: fixed;
    inset: 0;
    z-index: 3200;
    display: block !important;
    margin: 0 !important;
    animation: none;
    transform: none;
}

.tetris-tool {
    --tetris-rows: 20;
    --tetris-text: #f8fbff;
    --tetris-muted: rgba(248, 251, 255, 0.76);
    --tetris-soft: rgba(248, 251, 255, 0.58);
    --tetris-board-text: #ffffff;
    --tetris-active-text: #081226;
    --tetris-active-muted: rgba(8, 18, 38, 0.72);
    --tetris-active-bg: linear-gradient(135deg, var(--tetris-cyan), #f7fbff);
    --tetris-art: url("../../../资源/visuals/tetris-arcade-stage-v1.webp");
    --tetris-art-opacity: 0.72;
    --tetris-art-filter: saturate(1.08) contrast(1.05);
    --tetris-art-position: center top;
    --tetris-art-size: cover;
    --tetris-vignette:
        radial-gradient(circle at 50% 38%, rgba(4, 8, 18, 0.12), rgba(4, 8, 18, 0.76) 78%),
        linear-gradient(180deg, rgba(3, 6, 14, 0.08), rgba(3, 6, 14, 0.68));
    --tetris-grid-opacity: 0.92;
    --tetris-panel: rgba(6, 11, 24, 0.78);
    --tetris-panel-strong: rgba(8, 18, 38, 0.94);
    --tetris-line: rgba(124, 216, 255, 0.28);
    --tetris-line-hot: rgba(255, 97, 216, 0.46);
    --tetris-cyan: #49e8ff;
    --tetris-pink: #ff61d8;
    --tetris-gold: #ffd166;
    --tetris-bg:
        radial-gradient(circle at 18% 10%, rgba(73, 232, 255, 0.22), transparent 18rem),
        radial-gradient(circle at 86% 18%, rgba(255, 97, 216, 0.2), transparent 20rem),
        linear-gradient(135deg, #070b16 0%, #0b1126 48%, #060711 100%);
    --tetris-grid:
        linear-gradient(90deg, rgba(124, 216, 255, 0.08) 0 1px, transparent 1px 9vw),
        linear-gradient(0deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 9vh);
    --tetris-board-bg:
        radial-gradient(circle at 50% 8%, rgba(73, 232, 255, 0.14), transparent 18rem),
        linear-gradient(180deg, rgba(2, 8, 20, 0.96), rgba(8, 10, 24, 0.98));
    --tetris-board-border: rgba(124, 216, 255, 0.38);
    --tetris-board-edge:
        radial-gradient(circle at 50% 0%, rgba(248, 251, 255, 0.12), transparent 18%),
        linear-gradient(90deg, rgba(73, 232, 255, 0.06), transparent 18%, transparent 82%, rgba(255, 97, 216, 0.08));
    --tetris-overlay-bg: radial-gradient(circle at 50% 40%, rgba(5, 12, 26, 0.68), rgba(5, 8, 18, 0.9));
    --tetris-primary: linear-gradient(135deg, #ff2fd1, #285dff);
    --tetris-primary-glow: rgba(255, 47, 209, 0.34);
    --tetris-secondary-bg: rgba(11, 22, 48, 0.88);
    --tetris-touch-bg:
        linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent),
        rgba(8, 18, 38, 0.86);
    --tetris-stage-bg:
        radial-gradient(circle at 50% 18%, rgba(73, 232, 255, 0.12), transparent 24rem),
        linear-gradient(180deg, rgba(2, 8, 20, 0.22), rgba(2, 5, 12, 0.08));
    --tetris-stage-line: rgba(124, 216, 255, 0.12);
    --tetris-stage-shadow: inset 0 0 48px rgba(73, 232, 255, 0.04);
    --tetris-theme-radius: 8px;
    position: relative;
    min-height: calc(100vh - 2.7rem);
    overflow: hidden;
    padding: clamp(0.7rem, 2.2vw, 1.5rem);
    color: var(--tetris-text);
    background: var(--tetris-bg);
    border: 1px solid rgba(124, 216, 255, 0.24);
    border-radius: var(--tetris-theme-radius);
    box-shadow: 0 28px 80px rgba(4, 8, 18, 0.38);
    isolation: isolate;
    box-sizing: border-box;
}

.tetris-tool *,
.tetris-tool *::before,
.tetris-tool *::after {
    box-sizing: border-box;
}

.tetris-tool::before,
.tetris-tool::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.tetris-tool::before {
    background-image: var(--tetris-art);
    background-position: var(--tetris-art-position);
    background-repeat: no-repeat;
    background-size: var(--tetris-art-size);
    border-radius: inherit;
    filter: var(--tetris-art-filter);
    opacity: var(--tetris-art-opacity);
    transform-origin: center;
    transform: scale(1.015);
}

.tetris-tool::after {
    background: var(--tetris-vignette);
}

.tetris-tool.is-focus,
.tetris-tool.is-immersive {
    position: fixed;
    inset: 0;
    z-index: 3200;
    width: 100vw;
    min-height: 100svh;
    border: 0;
    border-radius: 0;
}

.tetris-tool.is-immersive {
    padding: clamp(0.45rem, 1.6vw, 1rem);
}

body.is-tetris-immersive .tetris-tool.is-immersive {
    position: relative;
    inset: auto;
    z-index: auto;
    width: 100%;
    height: 100svh;
}

.tetris-ambient {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--tetris-grid);
    mask-image: radial-gradient(circle at 50% 35%, #000 0%, transparent 76%);
    opacity: var(--tetris-grid-opacity);
    pointer-events: none;
}

.tetris-ambient::before,
.tetris-ambient::after {
    content: "";
    position: absolute;
    width: 36rem;
    height: 36rem;
    border: 1px solid rgba(124, 216, 255, 0.18);
    transform: rotate(28deg);
}

.tetris-ambient::before {
    right: -12rem;
    top: 4rem;
}

.tetris-ambient::after {
    left: -18rem;
    bottom: -10rem;
    border-color: rgba(255, 97, 216, 0.18);
}

.tetris-hero,
.tetris-game {
    position: relative;
    z-index: 1;
}

.tetris-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.42fr);
    gap: 1rem;
    align-items: end;
    margin-bottom: 1rem;
}

.tetris-tool.is-playing .tetris-hero {
    display: none;
}

.tetris-tool.is-immersive .tetris-hero {
    display: none;
}

.tetris-kicker,
.tetris-card-label {
    color: var(--tetris-cyan);
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.tetris-hero h2 {
    margin: 0.35rem 0 0.5rem;
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6vw, 5.1rem);
    line-height: 0.92;
    text-shadow: 0 0 30px rgba(73, 232, 255, 0.2);
}

.tetris-hero p:not(.tetris-kicker) {
    max-width: 720px;
    color: var(--tetris-muted);
    font-weight: 700;
}

.tetris-score-panel,
.tetris-live-stats,
.tetris-card,
.tetris-mini-panel {
    background:
        linear-gradient(135deg, rgba(73, 232, 255, 0.08), transparent 44%),
        var(--tetris-panel);
    border: 1px solid var(--tetris-line);
    border-radius: 8px;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(18px);
}

.tetris-score-panel {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    padding: 0.75rem;
}

.tetris-score-panel span,
.tetris-live-stats span {
    min-width: 0;
}

.tetris-score-panel small,
.tetris-live-stats small,
.tetris-mini-panel span {
    display: block;
    color: var(--tetris-soft);
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tetris-score-panel strong,
.tetris-live-stats strong {
    display: block;
    overflow: hidden;
    color: var(--tetris-text);
    font-size: clamp(1.05rem, 2vw, 1.45rem);
    font-weight: 900;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#tetrisModeName-003 {
    font-size: clamp(0.9rem, 1.35vw, 1.14rem);
}

.tetris-game {
    display: grid;
    grid-template-columns: minmax(300px, 620px) minmax(260px, 0.5fr);
    gap: 1rem;
    align-items: start;
}

.tetris-stage {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 0.75rem;
    min-width: 0;
    padding: clamp(0.35rem, 1vw, 0.8rem);
}

.tetris-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--tetris-stage-bg);
    border: 1px solid var(--tetris-stage-line);
    border-radius: 10px;
    box-shadow: var(--tetris-stage-shadow);
}

.tetris-stage > * {
    position: relative;
    z-index: 1;
}

.tetris-immersive-bar {
    display: none;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: min(100%, 980px);
    padding: 0.45rem;
    color: var(--tetris-muted);
    background: rgba(4, 10, 24, 0.66);
    border: 1px solid var(--tetris-line);
    border-radius: 8px;
    backdrop-filter: blur(18px);
}

.tetris-immersive-bar > span {
    min-width: 0;
    overflow: hidden;
    font-size: 0.82rem;
    font-weight: 900;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tetris-immersive-bar > div {
    display: flex;
    flex: 0 0 auto;
    gap: 0.4rem;
}

.tetris-tool.is-immersive .tetris-immersive-bar {
    display: flex;
}

.tetris-tool.is-immersive .tetris-game {
    grid-template-columns: minmax(280px, 1fr) minmax(240px, 320px);
    gap: 0.75rem;
    align-items: start;
    height: calc(100svh - clamp(0.9rem, 3.2vw, 2rem));
    overflow: hidden;
}

.tetris-tool.is-immersive .tetris-stage {
    align-content: start;
    height: 100%;
    gap: 0.5rem;
}

.tetris-tool.is-immersive .tetris-board-wrap {
    width: min(100%, 520px, calc((100svh - 315px) * 10 / var(--tetris-rows)));
}

.tetris-topbar {
    display: grid;
    grid-template-columns: minmax(76px, 0.28fr) minmax(0, 1fr) minmax(86px, 0.34fr);
    gap: 0.65rem;
    width: min(100%, 620px);
}

.tetris-mini-panel {
    display: grid;
    place-items: center;
    min-height: 86px;
    padding: 0.55rem;
}

.tetris-mini-panel canvas {
    width: min(100%, 88px);
    height: auto;
}

#tetrisNextCanvas-003 {
    width: min(100%, 96px);
}

.tetris-live-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem;
}

.tetris-board-wrap {
    position: relative;
    width: min(100%, 420px, calc((100svh - 330px) * 10 / var(--tetris-rows)));
    min-width: min(100%, 210px);
    overflow: hidden;
    aspect-ratio: 10 / var(--tetris-rows);
    background: var(--tetris-board-bg);
    border: 1px solid var(--tetris-board-border);
    border-radius: 8px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.04) inset,
        0 0 36px rgba(73, 232, 255, 0.12),
        0 24px 60px rgba(0, 0, 0, 0.36);
    touch-action: none;
}

.tetris-board-wrap::before,
.tetris-board-wrap::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.tetris-board-wrap::before {
    background:
        linear-gradient(180deg, transparent 0%, rgba(73, 232, 255, 0.18) 50%, transparent 100%),
        linear-gradient(90deg, transparent, rgba(255, 97, 216, 0.1), transparent);
    opacity: 0;
    transform: translateY(-100%);
    mix-blend-mode: screen;
}

.tetris-board-wrap::after {
    background: var(--tetris-board-edge);
    opacity: 0.56;
}

.tetris-board {
    position: relative;
    z-index: 0;
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

.tetris-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: grid;
    place-content: center;
    gap: 0.9rem;
    padding: 1rem;
    text-align: center;
    background: var(--tetris-overlay-bg);
}

.tetris-overlay[hidden] {
    display: none;
}

.tetris-overlay-label {
    color: var(--tetris-board-text);
    font-family: var(--font-display);
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 900;
    letter-spacing: 0.08em;
    text-shadow: 0 0 26px rgba(73, 232, 255, 0.42);
}

.tetris-overlay-hint {
    max-width: 18rem;
    color: var(--tetris-muted);
    font-size: 0.88rem;
    font-weight: 900;
}

.tetris-effect-toast {
    position: absolute;
    top: 9%;
    left: 50%;
    z-index: 4;
    max-width: 82%;
    padding: 0.45rem 0.72rem;
    color: #ffffff;
    font-size: clamp(0.8rem, 3vw, 1.05rem);
    font-weight: 1000;
    text-align: center;
    text-shadow: 0 0 18px rgba(73, 232, 255, 0.8);
    text-transform: uppercase;
    background: linear-gradient(135deg, rgba(73, 232, 255, 0.18), rgba(255, 97, 216, 0.22));
    border: 1px solid rgba(124, 216, 255, 0.42);
    border-radius: 999px;
    box-shadow: 0 0 34px rgba(73, 232, 255, 0.28);
    pointer-events: none;
    transform: translateX(-50%);
    animation: tetrisToastPop 0.9s ease both;
}

.tetris-effect-toast[hidden] {
    display: none;
}

.tetris-primary-btn,
.tetris-secondary-btn,
.tetris-mode-btn,
.tetris-touch-controls button {
    min-height: 44px;
    color: var(--tetris-text);
    border: 1px solid rgba(124, 216, 255, 0.34);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 900;
}

.tetris-primary-btn {
    padding: 0.8rem 1.25rem;
    background: var(--tetris-primary);
    box-shadow: 0 0 28px var(--tetris-primary-glow);
}

.tetris-secondary-btn,
.tetris-mode-btn {
    background: var(--tetris-secondary-bg);
}

.tetris-primary-btn:focus-visible,
.tetris-secondary-btn:focus-visible,
.tetris-mode-btn:focus-visible,
.tetris-touch-controls button:focus-visible {
    outline: 3px solid rgba(73, 232, 255, 0.42);
    outline-offset: 2px;
}

.tetris-touch-controls {
    display: grid;
    grid-template-columns: 0.9fr repeat(4, 1fr) 1.15fr;
    gap: 0.45rem;
    width: min(100%, 620px);
    touch-action: none;
}

.tetris-touch-controls button {
    min-height: 52px;
    background: var(--tetris-touch-bg);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
    user-select: none;
}

.tetris-touch-controls button:active,
.tetris-touch-controls button.is-pressed {
    border-color: var(--tetris-line-hot);
    transform: translateY(1px);
}

.tetris-side-panel {
    display: grid;
    gap: 0.75rem;
    min-width: 0;
}

.tetris-card {
    padding: 0.9rem;
}

.tetris-mode-list {
    display: grid;
    gap: 0.5rem;
    margin-top: 0.65rem;
}

.tetris-mode-btn {
    display: grid;
    gap: 0.18rem;
    width: 100%;
    padding: 0.7rem;
    text-align: left;
}

.tetris-mode-btn strong,
.tetris-mode-btn small {
    display: block;
}

.tetris-mode-btn small {
    color: var(--tetris-soft);
    font-weight: 700;
}

.tetris-mode-btn.is-active {
    color: var(--tetris-active-text);
    background: var(--tetris-active-bg);
}

.tetris-mode-btn.is-active small {
    color: var(--tetris-active-muted);
}

.tetris-zone-card {
    display: grid;
    gap: 0.7rem;
}

.tetris-zone-card > div:first-child {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.tetris-zone-track {
    height: 10px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 999px;
}

.tetris-zone-track span {
    display: block;
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--tetris-cyan), var(--tetris-pink));
    border-radius: inherit;
    transition: width 0.2s ease;
}

.tetris-actions-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
}

.tetris-brief-card {
    color: var(--tetris-muted);
    font-weight: 700;
}

.tetris-help-card {
    display: grid;
    gap: 0.5rem;
}

.tetris-help-card .tetris-card-label {
    margin: 0;
}

.tetris-help-card p:not(.tetris-card-label) {
    margin: 0;
}

.tetris-tool.is-danger {
    animation: tetrisDangerPulse 1.1s ease-in-out infinite;
}

.tetris-tool.is-zone {
    box-shadow: 0 0 0 1px rgba(73, 232, 255, 0.36), 0 0 80px rgba(73, 232, 255, 0.2);
}

[data-theme="theme-black-salon"] .tetris-tool {
    --tetris-panel: rgba(18, 12, 12, 0.82);
    --tetris-panel-strong: rgba(24, 14, 14, 0.96);
    --tetris-line: rgba(209, 166, 94, 0.32);
    --tetris-line-hot: rgba(178, 43, 43, 0.5);
    --tetris-cyan: #d1a65e;
    --tetris-pink: #b22b2b;
    --tetris-gold: #f3cf8b;
    --tetris-bg:
        linear-gradient(90deg, rgba(209, 166, 94, 0.08) 0 1px, transparent 1px 5rem),
        radial-gradient(circle at 18% 8%, rgba(209, 166, 94, 0.2), transparent 18rem),
        radial-gradient(circle at 86% 18%, rgba(178, 43, 43, 0.18), transparent 20rem),
        linear-gradient(135deg, #070505 0%, #140d0d 48%, #050404 100%);
    --tetris-grid:
        linear-gradient(90deg, rgba(209, 166, 94, 0.09) 0 1px, transparent 1px 7vw),
        linear-gradient(0deg, rgba(255, 235, 210, 0.04) 0 1px, transparent 1px 9vh);
    --tetris-board-bg:
        radial-gradient(circle at 50% 8%, rgba(209, 166, 94, 0.14), transparent 18rem),
        linear-gradient(180deg, rgba(8, 5, 5, 0.97), rgba(20, 10, 10, 0.98));
    --tetris-board-border: rgba(209, 166, 94, 0.48);
    --tetris-board-edge:
        linear-gradient(90deg, rgba(209, 166, 94, 0.1), transparent 18%, transparent 82%, rgba(178, 43, 43, 0.1)),
        radial-gradient(circle at 50% 0%, rgba(247, 234, 209, 0.14), transparent 20%);
    --tetris-primary: linear-gradient(135deg, #d1a65e, #8f1717);
    --tetris-primary-glow: rgba(209, 166, 94, 0.28);
    --tetris-secondary-bg: rgba(24, 14, 14, 0.88);
    --tetris-touch-bg:
        linear-gradient(180deg, rgba(255, 238, 210, 0.1), transparent),
        rgba(22, 13, 13, 0.88);
    --tetris-stage-bg:
        linear-gradient(90deg, rgba(209, 166, 94, 0.09) 0 1px, transparent 1px 4.25rem),
        radial-gradient(circle at 50% 18%, rgba(209, 166, 94, 0.16), transparent 23rem),
        linear-gradient(180deg, rgba(24, 12, 12, 0.34), rgba(5, 4, 4, 0.12));
    --tetris-stage-line: rgba(209, 166, 94, 0.24);
    --tetris-stage-shadow: inset 0 0 56px rgba(209, 166, 94, 0.07);
    --tetris-art-opacity: 0.42;
    --tetris-art-filter: saturate(0.82) sepia(0.28) hue-rotate(-18deg) contrast(1.08);
    --tetris-vignette:
        radial-gradient(circle at 50% 38%, rgba(8, 5, 5, 0.28), rgba(8, 5, 5, 0.9) 78%),
        linear-gradient(180deg, rgba(20, 10, 10, 0.18), rgba(5, 4, 4, 0.78));
    --tetris-active-text: #120908;
    --tetris-active-muted: rgba(18, 9, 8, 0.72);
    --tetris-active-bg: linear-gradient(135deg, #d1a65e, #f7ead1);
    --tetris-theme-radius: 6px;
}

[data-theme="theme-silk-gift"] .tetris-tool {
    --tetris-panel: rgba(42, 22, 15, 0.76);
    --tetris-panel-strong: rgba(54, 28, 18, 0.94);
    --tetris-line: rgba(247, 185, 97, 0.34);
    --tetris-line-hot: rgba(232, 74, 67, 0.52);
    --tetris-cyan: #f7b961;
    --tetris-pink: #e84a43;
    --tetris-gold: #ffe1a6;
    --tetris-bg:
        repeating-linear-gradient(135deg, rgba(255, 225, 166, 0.08) 0 1px, transparent 1px 20px),
        radial-gradient(circle at 12% 8%, rgba(247, 185, 97, 0.22), transparent 17rem),
        radial-gradient(circle at 88% 18%, rgba(232, 74, 67, 0.18), transparent 19rem),
        linear-gradient(135deg, #190d0a 0%, #32180f 48%, #100806 100%);
    --tetris-grid:
        linear-gradient(90deg, rgba(255, 225, 166, 0.08) 0 1px, transparent 1px 8vw),
        linear-gradient(0deg, rgba(255, 248, 232, 0.04) 0 1px, transparent 1px 9vh);
    --tetris-board-bg:
        radial-gradient(circle at 50% 6%, rgba(247, 185, 97, 0.14), transparent 16rem),
        linear-gradient(180deg, rgba(24, 11, 8, 0.97), rgba(42, 18, 12, 0.98));
    --tetris-board-border: rgba(247, 185, 97, 0.5);
    --tetris-board-edge:
        repeating-linear-gradient(135deg, rgba(255, 225, 166, 0.08) 0 1px, transparent 1px 14px),
        linear-gradient(90deg, rgba(247, 185, 97, 0.09), transparent 20%, transparent 80%, rgba(232, 74, 67, 0.1));
    --tetris-primary: linear-gradient(135deg, #f7b961, #b12b24);
    --tetris-primary-glow: rgba(247, 185, 97, 0.28);
    --tetris-secondary-bg: rgba(48, 24, 16, 0.88);
    --tetris-touch-bg:
        linear-gradient(180deg, rgba(255, 244, 226, 0.12), transparent),
        rgba(46, 22, 14, 0.88);
    --tetris-stage-bg:
        repeating-linear-gradient(135deg, rgba(255, 225, 166, 0.07) 0 1px, transparent 1px 18px),
        radial-gradient(circle at 50% 18%, rgba(247, 185, 97, 0.16), transparent 22rem),
        linear-gradient(180deg, rgba(64, 28, 18, 0.32), rgba(16, 8, 6, 0.1));
    --tetris-stage-line: rgba(247, 185, 97, 0.24);
    --tetris-stage-shadow: inset 0 0 58px rgba(247, 185, 97, 0.06);
    --tetris-art-opacity: 0.48;
    --tetris-art-filter: saturate(0.92) sepia(0.42) hue-rotate(-30deg) contrast(1.03) brightness(1.06);
    --tetris-vignette:
        radial-gradient(circle at 50% 38%, rgba(24, 11, 8, 0.24), rgba(24, 11, 8, 0.82) 78%),
        linear-gradient(180deg, rgba(74, 30, 18, 0.18), rgba(16, 8, 6, 0.76));
    --tetris-active-text: #24110b;
    --tetris-active-muted: rgba(36, 17, 11, 0.72);
    --tetris-active-bg: linear-gradient(135deg, #f7b961, #fff3df);
}

[data-theme="theme-modern-atelier"] .tetris-tool {
    --tetris-panel: rgba(14, 16, 18, 0.78);
    --tetris-panel-strong: rgba(18, 20, 22, 0.95);
    --tetris-line: rgba(181, 138, 74, 0.28);
    --tetris-line-hot: rgba(86, 142, 203, 0.46);
    --tetris-cyan: #7db4e6;
    --tetris-pink: #b58a4a;
    --tetris-gold: #e2c28e;
    --tetris-bg:
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 5.5rem),
        radial-gradient(circle at 18% 10%, rgba(125, 180, 230, 0.18), transparent 18rem),
        radial-gradient(circle at 85% 18%, rgba(181, 138, 74, 0.18), transparent 20rem),
        linear-gradient(135deg, #0f1012 0%, #181b1f 50%, #0a0b0c 100%);
    --tetris-grid:
        linear-gradient(90deg, rgba(125, 180, 230, 0.08) 0 1px, transparent 1px 8vw),
        linear-gradient(0deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 9vh);
    --tetris-board-bg:
        radial-gradient(circle at 50% 8%, rgba(125, 180, 230, 0.12), transparent 16rem),
        linear-gradient(180deg, rgba(10, 12, 14, 0.97), rgba(18, 20, 24, 0.98));
    --tetris-board-border: rgba(125, 180, 230, 0.48);
    --tetris-board-edge:
        linear-gradient(90deg, rgba(125, 180, 230, 0.08), transparent 22%, transparent 78%, rgba(181, 138, 74, 0.08)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 18%);
    --tetris-primary: linear-gradient(135deg, #7db4e6, #b58a4a);
    --tetris-primary-glow: rgba(125, 180, 230, 0.25);
    --tetris-secondary-bg: rgba(18, 20, 22, 0.9);
    --tetris-touch-bg:
        linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent),
        rgba(18, 20, 22, 0.88);
    --tetris-stage-bg:
        linear-gradient(90deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 4rem),
        radial-gradient(circle at 50% 16%, rgba(125, 180, 230, 0.12), transparent 22rem),
        linear-gradient(180deg, rgba(18, 20, 22, 0.34), rgba(8, 9, 10, 0.1));
    --tetris-stage-line: rgba(125, 180, 230, 0.2);
    --tetris-stage-shadow: inset 0 0 52px rgba(125, 180, 230, 0.05);
    --tetris-art-opacity: 0.36;
    --tetris-art-filter: saturate(0.68) contrast(1.08) grayscale(0.12);
    --tetris-vignette:
        radial-gradient(circle at 50% 38%, rgba(10, 12, 14, 0.26), rgba(10, 12, 14, 0.86) 78%),
        linear-gradient(180deg, rgba(18, 20, 22, 0.2), rgba(8, 9, 10, 0.78));
    --tetris-active-text: #101214;
    --tetris-active-muted: rgba(16, 18, 20, 0.72);
    --tetris-active-bg: linear-gradient(135deg, #7db4e6, #eee9df);
    --tetris-theme-radius: 2px;
}

[data-theme="theme-classic-atlas"] .tetris-tool {
    --tetris-panel: rgba(8, 18, 36, 0.78);
    --tetris-panel-strong: rgba(9, 18, 36, 0.95);
    --tetris-line: rgba(116, 166, 216, 0.32);
    --tetris-line-hot: rgba(184, 144, 76, 0.5);
    --tetris-cyan: #74a6d8;
    --tetris-pink: #b8904c;
    --tetris-gold: #e5c78d;
    --tetris-bg:
        linear-gradient(90deg, rgba(116, 166, 216, 0.08) 0 1px, transparent 1px 4.5rem),
        radial-gradient(circle at 18% 8%, rgba(116, 166, 216, 0.2), transparent 18rem),
        radial-gradient(circle at 88% 16%, rgba(184, 144, 76, 0.18), transparent 20rem),
        linear-gradient(135deg, #07101f 0%, #0d1b34 48%, #050a14 100%);
    --tetris-grid:
        linear-gradient(90deg, rgba(116, 166, 216, 0.09) 0 1px, transparent 1px 8vw),
        linear-gradient(0deg, rgba(245, 235, 216, 0.04) 0 1px, transparent 1px 9vh);
    --tetris-board-bg:
        radial-gradient(circle at 50% 8%, rgba(116, 166, 216, 0.14), transparent 18rem),
        linear-gradient(180deg, rgba(5, 12, 24, 0.97), rgba(8, 18, 36, 0.98));
    --tetris-board-border: rgba(116, 166, 216, 0.5);
    --tetris-board-edge:
        linear-gradient(90deg, rgba(116, 166, 216, 0.09), transparent 20%, transparent 80%, rgba(184, 144, 76, 0.1)),
        radial-gradient(circle at 50% 0%, rgba(244, 234, 216, 0.12), transparent 18%);
    --tetris-primary: linear-gradient(135deg, #74a6d8, #b8904c);
    --tetris-primary-glow: rgba(116, 166, 216, 0.26);
    --tetris-secondary-bg: rgba(8, 18, 36, 0.88);
    --tetris-touch-bg:
        linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent),
        rgba(8, 18, 36, 0.88);
    --tetris-stage-bg:
        linear-gradient(90deg, rgba(116, 166, 216, 0.08) 0 1px, transparent 1px 3.8rem),
        linear-gradient(0deg, rgba(244, 234, 216, 0.045) 0 1px, transparent 1px 3.8rem),
        radial-gradient(circle at 50% 16%, rgba(116, 166, 216, 0.14), transparent 22rem),
        linear-gradient(180deg, rgba(8, 18, 36, 0.3), rgba(5, 10, 20, 0.1));
    --tetris-stage-line: rgba(116, 166, 216, 0.24);
    --tetris-stage-shadow: inset 0 0 56px rgba(116, 166, 216, 0.06);
    --tetris-art-opacity: 0.46;
    --tetris-art-filter: saturate(0.86) hue-rotate(8deg) contrast(1.04);
    --tetris-vignette:
        radial-gradient(circle at 50% 38%, rgba(5, 12, 24, 0.24), rgba(5, 12, 24, 0.84) 78%),
        linear-gradient(180deg, rgba(8, 18, 36, 0.18), rgba(5, 10, 20, 0.78));
    --tetris-active-text: #07101f;
    --tetris-active-muted: rgba(7, 16, 31, 0.72);
    --tetris-active-bg: linear-gradient(135deg, #74a6d8, #f4ead8);
    --tetris-theme-radius: 4px;
}

[data-theme="theme-black-salon"] .tetris-primary-btn,
[data-theme="theme-silk-gift"] .tetris-primary-btn,
[data-theme="theme-modern-atelier"] .tetris-primary-btn,
[data-theme="theme-classic-atlas"] .tetris-primary-btn {
    color: var(--tetris-active-text);
}

[data-theme="theme-black-salon"] .tetris-score-panel,
[data-theme="theme-black-salon"] .tetris-live-stats,
[data-theme="theme-black-salon"] .tetris-card,
[data-theme="theme-black-salon"] .tetris-mini-panel,
[data-theme="theme-silk-gift"] .tetris-score-panel,
[data-theme="theme-silk-gift"] .tetris-live-stats,
[data-theme="theme-silk-gift"] .tetris-card,
[data-theme="theme-silk-gift"] .tetris-mini-panel {
    box-shadow:
        inset 0 0 0 1px rgba(255, 238, 210, 0.04),
        0 18px 46px rgba(0, 0, 0, 0.24);
}

[data-theme="theme-modern-atelier"] .tetris-score-panel,
[data-theme="theme-modern-atelier"] .tetris-live-stats,
[data-theme="theme-modern-atelier"] .tetris-card,
[data-theme="theme-modern-atelier"] .tetris-mini-panel {
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        0 14px 38px rgba(0, 0, 0, 0.28);
}

[data-theme="theme-classic-atlas"] .tetris-score-panel,
[data-theme="theme-classic-atlas"] .tetris-live-stats,
[data-theme="theme-classic-atlas"] .tetris-card,
[data-theme="theme-classic-atlas"] .tetris-mini-panel {
    box-shadow:
        inset 0 0 0 1px rgba(244, 234, 216, 0.035),
        0 18px 44px rgba(2, 8, 18, 0.28);
}

@keyframes tetrisDangerPulse {
    0%,
    100% {
        box-shadow: 0 28px 80px rgba(4, 8, 18, 0.38);
    }
    50% {
        box-shadow: 0 0 0 1px rgba(255, 97, 216, 0.45), 0 0 58px rgba(255, 97, 216, 0.24);
    }
}

@keyframes tetrisToastPop {
    0% {
        opacity: 0;
        transform: translate(-50%, -0.5rem) scale(0.86);
    }
    18%,
    74% {
        opacity: 1;
        transform: translate(-50%, 0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -0.7rem) scale(0.96);
    }
}

@keyframes tetrisReferenceDrift {
    0%,
    100% {
        opacity: var(--tetris-art-opacity);
        transform: scale(1.03) translate3d(0, 0, 0);
    }
    50% {
        opacity: calc(var(--tetris-art-opacity) * 0.9);
        transform: scale(1.055) translate3d(-0.8rem, 0.35rem, 0);
    }
}

@keyframes tetrisBoardScan {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }
    16%,
    42% {
        opacity: 0.42;
    }
    62% {
        opacity: 0;
        transform: translateY(100%);
    }
    100% {
        opacity: 0;
        transform: translateY(100%);
    }
}

@keyframes tetrisButtonGlow {
    0%,
    100% {
        background-position: 0% 50%;
        box-shadow: 0 0 28px var(--tetris-primary-glow);
    }
    50% {
        background-position: 100% 50%;
        box-shadow: 0 0 42px var(--tetris-primary-glow);
    }
}

@media (max-width: 1020px) {
    .tetris-hero,
    .tetris-game {
        grid-template-columns: 1fr;
    }

    .tetris-side-panel {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tetris-brief-card {
        display: none;
    }
}

@media (max-width: 768px) {
    body[data-current-route="tool-003"] .main-container {
        padding-bottom: calc(5.8rem + env(safe-area-inset-bottom));
    }

    .tetris-tool-content {
        margin-left: -0.65rem;
        margin-right: -0.65rem;
    }

    .tetris-tool {
        --tetris-art-position: center top;
        --tetris-art-size: 64rem auto;
        min-height: calc(100svh - 72px);
        padding: 0.65rem;
        border-radius: 0;
    }

    .tetris-tool.is-focus,
    .tetris-tool.is-immersive {
        padding-top: 0.65rem;
    }

    .tetris-hero {
        gap: 0.7rem;
        margin-bottom: 0.65rem;
    }

    .tetris-tool.is-playing .tetris-hero {
        display: none;
    }

    .tetris-hero h2 {
        margin-top: 0.22rem;
        font-size: clamp(2rem, 11vw, 3rem);
    }

    .tetris-hero p:not(.tetris-kicker) {
        font-size: 0.9rem;
        line-height: 1.45;
    }

    .tetris-score-panel {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        padding: 0.55rem;
    }

    .tetris-game,
    .tetris-stage,
    .tetris-side-panel {
        gap: 0.6rem;
    }

    .tetris-stage {
        padding: 0.25rem;
    }

    .tetris-stage::before {
        inset: -0.2rem;
        border-left: 0;
        border-right: 0;
    }

    .tetris-topbar {
        grid-template-columns: 72px minmax(0, 1fr) 82px;
        gap: 0.45rem;
    }

    .tetris-mini-panel {
        min-height: 68px;
        padding: 0.35rem;
    }

    .tetris-mini-panel canvas {
        width: 58px;
    }

    #tetrisNextCanvas-003 {
        width: 72px;
    }

    .tetris-live-stats {
        padding: 0.45rem;
    }

    .tetris-live-stats strong {
        font-size: 1rem;
    }

    .tetris-board-wrap {
        width: min(100%, 360px, calc((100svh - 315px) * 10 / var(--tetris-rows)));
        min-width: 0;
    }

    .tetris-tool.is-playing .tetris-board-wrap {
        width: min(100%, 360px, calc((100svh - 270px) * 10 / var(--tetris-rows)));
    }

    .tetris-tool.is-playing .tetris-topbar {
        grid-template-columns: 58px minmax(0, 1fr) 64px;
    }

    .tetris-tool.is-playing .tetris-mini-panel {
        min-height: 54px;
        padding: 0.22rem;
    }

    .tetris-tool.is-playing .tetris-mini-panel canvas {
        width: 42px;
    }

    .tetris-tool.is-playing #tetrisNextCanvas-003 {
        width: 54px;
    }

    .tetris-tool.is-playing .tetris-live-stats {
        padding: 0.35rem;
    }

    .tetris-touch-controls {
        position: sticky;
        bottom: 0.4rem;
        grid-template-columns: repeat(6, minmax(0, 1fr));
        padding: 0.2rem;
        background: rgba(5, 9, 20, 0.58);
        border: 1px solid rgba(124, 216, 255, 0.16);
        border-radius: 10px;
        backdrop-filter: blur(16px);
    }

    .tetris-touch-controls button {
        min-height: 48px;
        padding: 0;
        font-size: 0.86rem;
    }

    .tetris-side-panel {
        grid-template-columns: 1fr;
    }

    .tetris-card {
        padding: 0.7rem;
    }

    .tetris-mode-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tetris-actions-card {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tetris-tool.is-immersive {
        padding: 0.45rem;
    }

    .tetris-tool.is-immersive .tetris-game {
        grid-template-columns: 1fr;
        align-content: stretch;
        height: calc(100svh - 0.9rem);
        overflow: hidden;
    }

    .tetris-tool.is-immersive .tetris-stage {
        display: grid;
        grid-template-rows: auto auto minmax(0, 1fr) auto;
        align-content: stretch;
        height: 100%;
        gap: 0.4rem;
    }

    .tetris-tool.is-immersive .tetris-immersive-bar {
        width: 100%;
        max-width: calc(100svw - 0.9rem);
        min-width: 0;
        padding: 0.32rem;
    }

    .tetris-tool.is-immersive .tetris-immersive-bar > div {
        min-width: 0;
        flex-shrink: 1;
    }

    .tetris-tool.is-immersive .tetris-immersive-bar > span {
        flex: 1 1 auto;
        font-size: 0.68rem;
    }

    .tetris-tool.is-immersive .tetris-immersive-bar .tetris-secondary-btn {
        min-height: 36px;
        padding: 0.25rem clamp(0.28rem, 1.8vw, 0.45rem);
        font-size: clamp(0.62rem, 2.25vw, 0.68rem);
        white-space: nowrap;
    }

    .tetris-tool.is-immersive .tetris-side-panel {
        display: none;
    }

    .tetris-tool.is-immersive .tetris-topbar {
        width: 100%;
        grid-template-columns: 58px minmax(0, 1fr) 64px;
    }

    .tetris-tool.is-immersive .tetris-mini-panel {
        min-height: 50px;
        padding: 0.2rem;
    }

    .tetris-tool.is-immersive .tetris-mini-panel canvas {
        width: 40px;
    }

    .tetris-tool.is-immersive #tetrisNextCanvas-003 {
        width: 52px;
    }

    .tetris-tool.is-immersive .tetris-board-wrap {
        align-self: center;
        width: min(100%, 360px, calc((100svh - 225px) * 10 / var(--tetris-rows)));
    }

    .tetris-tool.is-immersive .tetris-touch-controls {
        position: static;
        width: 100%;
        max-width: calc(100svw - 0.9rem);
        margin: 0;
    }
}

@media (max-width: 420px) {
    .tetris-tool-content {
        margin-left: -0.6rem;
        margin-right: -0.6rem;
    }

    .tetris-tool {
        --tetris-art-size: 58rem auto;
        min-height: calc(100svh - 72px);
        padding: 0.55rem;
    }

    .tetris-hero p:not(.tetris-kicker) {
        display: none;
    }

    .tetris-score-panel small,
    .tetris-live-stats small,
    .tetris-mini-panel span {
        font-size: 0.58rem;
    }

    .tetris-board-wrap {
        width: min(100%, 336px, max(252px, calc((100svh - 325px) * 10 / var(--tetris-rows))));
    }

    .tetris-tool.is-immersive .tetris-board-wrap {
        width: min(100%, 336px, calc((100svh - 225px) * 10 / var(--tetris-rows)));
    }

    .tetris-touch-controls {
        gap: 0.32rem;
    }

    .tetris-touch-controls button {
        min-height: 46px;
        font-size: 0.74rem;
    }

    .tetris-mode-btn {
        padding: 0.55rem;
    }
}

/* Reference fidelity: keep the playable arcade layout, but make the default stage closer to reference 07. */
[data-theme="theme-luxury-atlas"] .tetris-tool {
    --tetris-art-opacity: 0.86;
    --tetris-art-filter: saturate(1.2) contrast(1.12) brightness(0.92);
    --tetris-art-position: center center;
    --tetris-bg:
        radial-gradient(circle at 18% 10%, rgba(73, 232, 255, 0.22), transparent 18rem),
        radial-gradient(circle at 88% 14%, rgba(255, 209, 102, 0.18), transparent 18rem),
        radial-gradient(circle at 70% 24%, rgba(255, 97, 216, 0.2), transparent 16rem),
        linear-gradient(135deg, #020611 0%, #07101f 45%, #03050c 100%);
    --tetris-vignette:
        radial-gradient(circle at 50% 44%, rgba(4, 8, 18, 0.08), rgba(2, 5, 12, 0.82) 80%),
        linear-gradient(180deg, rgba(3, 6, 14, 0.02), rgba(2, 5, 12, 0.72));
    border-color: rgba(124, 216, 255, 0.36);
    box-shadow:
        0 0 0 1px rgba(255, 209, 102, 0.12),
        0 32px 90px rgba(2, 5, 12, 0.46);
}

[data-theme="theme-luxury-atlas"] .tetris-tool::before {
    transform: scale(1.035);
}

[data-theme="theme-luxury-atlas"] .tetris-hero {
    padding: clamp(0.8rem, 2vw, 1.2rem);
    background: rgba(4, 8, 18, 0.46);
    border: 1px solid rgba(124, 216, 255, 0.22);
    border-radius: 8px;
    backdrop-filter: blur(14px);
}

[data-theme="theme-luxury-atlas"] .tetris-board-wrap {
    background:
        radial-gradient(circle at 50% 12%, rgba(73, 232, 255, 0.2), transparent 18rem),
        linear-gradient(180deg, rgba(9, 44, 58, 0.88), rgba(10, 9, 30, 0.96));
    border-color: rgba(124, 216, 255, 0.54);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05) inset,
        0 0 42px rgba(73, 232, 255, 0.18),
        0 28px 72px rgba(0, 0, 0, 0.44);
}

[data-theme="theme-luxury-atlas"] .tetris-score-panel,
[data-theme="theme-luxury-atlas"] .tetris-live-stats,
[data-theme="theme-luxury-atlas"] .tetris-card,
[data-theme="theme-luxury-atlas"] .tetris-mini-panel {
    background:
        linear-gradient(135deg, rgba(73, 232, 255, 0.1), transparent 42%),
        rgba(4, 8, 18, 0.74);
    border-color: rgba(124, 216, 255, 0.34);
}

@media (prefers-reduced-motion: no-preference) {
    [data-theme="theme-luxury-atlas"] .tetris-tool::before {
        animation: tetrisReferenceDrift 18s ease-in-out infinite;
    }

    .tetris-tool.is-playing .tetris-board-wrap::before {
        animation: tetrisBoardScan 3.8s linear infinite;
    }

    .tetris-primary-btn {
        background-size: 180% 180%;
        animation: tetrisButtonGlow 3.8s ease-in-out infinite;
    }
}

/* Stage 43: default theme Tetris moves closer to the 07 neon glass stage without changing gameplay. */
[data-theme="theme-luxury-atlas"] .tetris-tool {
    --tetris-art-opacity: 0.96;
    --tetris-art-filter: saturate(1.34) contrast(1.18) brightness(1.02);
    --tetris-vignette:
        radial-gradient(ellipse at 50% 45%, rgba(2, 5, 12, 0.04), rgba(2, 5, 12, 0.64) 66%, rgba(1, 3, 9, 0.92) 100%),
        linear-gradient(180deg, rgba(2, 5, 12, 0.06), rgba(2, 5, 12, 0.62));
    --tetris-grid-opacity: 0.7;
    --tetris-board-bg:
        radial-gradient(circle at 50% 10%, rgba(73, 232, 255, 0.18), transparent 16rem),
        linear-gradient(180deg, rgba(18, 83, 102, 0.72), rgba(20, 12, 46, 0.84));
    --tetris-stage-bg:
        radial-gradient(circle at 12% 22%, rgba(73, 232, 255, 0.16), transparent 18rem),
        radial-gradient(circle at 92% 78%, rgba(255, 209, 102, 0.14), transparent 18rem),
        linear-gradient(180deg, rgba(2, 8, 20, 0.34), rgba(2, 5, 12, 0.14));
    --tetris-stage-line: rgba(124, 216, 255, 0.22);
    --tetris-stage-shadow:
        inset 0 0 58px rgba(73, 232, 255, 0.08),
        0 0 70px rgba(255, 97, 216, 0.08);
}

[data-theme="theme-luxury-atlas"] .tetris-tool::after {
    opacity: 0.98;
}

[data-theme="theme-luxury-atlas"] .tetris-stage {
    padding: clamp(0.6rem, 1.4vw, 1rem);
}

[data-theme="theme-luxury-atlas"] .tetris-stage::before {
    backdrop-filter: blur(3px);
    box-shadow:
        var(--tetris-stage-shadow),
        0 28px 70px rgba(1, 4, 12, 0.32);
}

[data-theme="theme-luxury-atlas"] .tetris-hero,
[data-theme="theme-luxury-atlas"] .tetris-immersive-bar,
[data-theme="theme-luxury-atlas"] .tetris-touch-controls {
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.035) inset,
        0 18px 48px rgba(1, 4, 12, 0.34);
}

[data-theme="theme-luxury-atlas"] .tetris-topbar {
    filter: drop-shadow(0 18px 34px rgba(1, 4, 12, 0.36));
}

[data-theme="theme-luxury-atlas"] .tetris-board-wrap {
    border-color: rgba(124, 216, 255, 0.68);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.07) inset,
        0 0 50px rgba(73, 232, 255, 0.22),
        0 0 90px rgba(255, 97, 216, 0.08),
        0 30px 78px rgba(0, 0, 0, 0.48);
}

[data-theme="theme-luxury-atlas"] .tetris-board-wrap::after {
    opacity: 0.72;
}

[data-theme="theme-luxury-atlas"] .tetris-live-stats strong {
    text-shadow: 0 0 18px rgba(248, 251, 255, 0.28);
}

@media (min-width: 1021px) {
    [data-theme="theme-luxury-atlas"] .tetris-tool {
        --tetris-art-position: center center;
        --tetris-art-size: cover;
    }

    [data-theme="theme-luxury-atlas"] .tetris-game {
        grid-template-columns: minmax(440px, 680px) minmax(260px, 330px);
        justify-content: center;
        gap: 1.15rem;
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-playing .tetris-board-wrap {
        width: min(100%, 420px, calc((100svh - 230px) * 10 / var(--tetris-rows)));
    }
}

@media (max-width: 768px) {
    [data-theme="theme-luxury-atlas"] .tetris-tool {
        --tetris-art-position: 44% top;
        --tetris-art-size: 82rem auto;
        --tetris-art-opacity: 0.98;
        --tetris-vignette:
            radial-gradient(ellipse at 50% 46%, rgba(2, 5, 12, 0.08), rgba(2, 5, 12, 0.62) 68%, rgba(1, 3, 9, 0.96) 100%),
            linear-gradient(180deg, rgba(2, 5, 12, 0.08), rgba(1, 3, 9, 0.72));
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive {
        min-height: 100svh;
        padding: 0.48rem;
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive .tetris-stage {
        gap: 0.38rem;
        padding: 0.18rem;
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive .tetris-board-wrap {
        width: min(100%, 340px, calc((100svh - 238px) * 10 / var(--tetris-rows)));
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive .tetris-touch-controls {
        padding: 0.24rem;
        background:
            linear-gradient(180deg, rgba(73, 232, 255, 0.08), transparent),
            rgba(2, 6, 15, 0.72);
        border-color: rgba(124, 216, 255, 0.32);
    }
}

@media (max-width: 420px) {
    [data-theme="theme-luxury-atlas"] .tetris-tool {
        --tetris-art-size: 78rem auto;
        --tetris-art-position: 43% top;
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive .tetris-board-wrap {
        width: min(100%, 332px, calc((100svh - 238px) * 10 / var(--tetris-rows)));
    }
}

/* Stage 50: keep the game logic shared, but give mobile and theme skins stronger art direction. */
.tetris-tool {
    --tetris-mobile-art-a-position: left -10rem top -1.5rem;
    --tetris-mobile-art-b-position: right -11rem bottom 4.8rem;
    --tetris-mobile-art-a-size: 48rem auto;
    --tetris-mobile-art-b-size: 54rem auto;
    --tetris-mobile-art-opacity: 0.74;
    --tetris-mobile-focus-gradient:
        radial-gradient(circle at 14% 18%, rgba(73, 232, 255, 0.2), transparent 12rem),
        radial-gradient(circle at 86% 78%, rgba(255, 97, 216, 0.18), transparent 13rem);
    --tetris-mobile-vignette:
        radial-gradient(ellipse at 50% 48%, rgba(2, 5, 12, 0.1), rgba(2, 5, 12, 0.54) 66%, rgba(1, 3, 9, 0.9) 100%),
        linear-gradient(90deg, rgba(1, 3, 9, 0.1), transparent 24%, transparent 76%, rgba(1, 3, 9, 0.1));
}

@media (max-width: 768px) {
    .tetris-tool::before {
        background-image:
            var(--tetris-art),
            var(--tetris-art),
            var(--tetris-mobile-focus-gradient);
        background-position:
            var(--tetris-mobile-art-a-position),
            var(--tetris-mobile-art-b-position),
            center;
        background-size:
            var(--tetris-mobile-art-a-size),
            var(--tetris-mobile-art-b-size),
            cover;
        background-blend-mode: screen, screen, normal;
        opacity: var(--tetris-mobile-art-opacity);
        transform: scale(1);
    }

    .tetris-tool.is-playing::before,
    .tetris-tool.is-immersive::before {
        opacity: calc(var(--tetris-mobile-art-opacity) * 0.94);
        background-position:
            var(--tetris-mobile-playing-art-a-position, left -8rem top -2.4rem),
            var(--tetris-mobile-playing-art-b-position, right -8.5rem bottom 4.2rem),
            center;
        background-size:
            var(--tetris-mobile-playing-art-a-size, 42rem auto),
            var(--tetris-mobile-playing-art-b-size, 47rem auto),
            cover;
    }

    .tetris-tool::after {
        background: var(--tetris-mobile-vignette);
    }

    .tetris-tool.is-immersive::after {
        background: var(--tetris-mobile-immersive-vignette, var(--tetris-mobile-vignette));
    }

    .tetris-board-wrap {
        backdrop-filter: blur(1px);
    }

    .tetris-touch-controls {
        box-shadow:
            0 0 0 1px rgba(255, 255, 255, 0.035) inset,
            0 14px 42px rgba(1, 4, 12, 0.5);
    }
}

@media (max-width: 420px) {
    .tetris-tool::before {
        background-position:
            left -12.5rem top -1.8rem,
            right -14rem bottom 4.9rem,
            center;
        background-size:
            44rem auto,
            50rem auto,
            cover;
    }

    .tetris-tool.is-playing::before,
    .tetris-tool.is-immersive::before {
        background-position:
            var(--tetris-mobile-small-playing-art-a-position, left -9.5rem top -2.3rem),
            var(--tetris-mobile-small-playing-art-b-position, right -10rem bottom 4.1rem),
            center;
        background-size:
            var(--tetris-mobile-small-playing-art-a-size, 40rem auto),
            var(--tetris-mobile-small-playing-art-b-size, 45rem auto),
            cover;
    }
}

[data-theme="theme-luxury-atlas"] .tetris-tool {
    --tetris-mobile-art-a-position: left -9.5rem top -1.7rem;
    --tetris-mobile-art-b-position: right -10.5rem bottom 4.6rem;
    --tetris-mobile-art-opacity: 0.9;
    --tetris-mobile-playing-art-a-position: left -7.2rem top -2.4rem;
    --tetris-mobile-playing-art-b-position: right -7.6rem bottom 4.1rem;
    --tetris-mobile-focus-gradient:
        radial-gradient(circle at 15% 18%, rgba(73, 232, 255, 0.22), transparent 12rem),
        radial-gradient(circle at 86% 74%, rgba(255, 97, 216, 0.2), transparent 13rem),
        radial-gradient(circle at 82% 18%, rgba(255, 209, 102, 0.16), transparent 11rem);
    --tetris-mobile-immersive-vignette:
        radial-gradient(ellipse at 50% 48%, rgba(2, 5, 12, 0.08), rgba(2, 5, 12, 0.5) 66%, rgba(1, 3, 9, 0.9) 100%),
        linear-gradient(90deg, rgba(1, 3, 9, 0.08), transparent 23%, transparent 77%, rgba(1, 3, 9, 0.08));
}

[data-theme="theme-black-salon"] .tetris-tool {
    --tetris-mobile-art-a-position: right -12rem top -2rem;
    --tetris-mobile-art-b-position: left -13rem bottom 4.2rem;
    --tetris-mobile-art-a-size: 50rem auto;
    --tetris-mobile-art-b-size: 52rem auto;
    --tetris-mobile-art-opacity: 0.66;
    --tetris-mobile-playing-art-a-position: right -8rem top -2.2rem;
    --tetris-mobile-playing-art-b-position: left -8.5rem bottom 3.8rem;
    --tetris-mobile-focus-gradient:
        radial-gradient(circle at 86% 18%, rgba(209, 166, 94, 0.26), transparent 12rem),
        radial-gradient(circle at 14% 78%, rgba(178, 43, 43, 0.2), transparent 13rem);
    --tetris-mobile-vignette:
        radial-gradient(ellipse at 50% 48%, rgba(8, 5, 5, 0.12), rgba(8, 5, 5, 0.54) 66%, rgba(5, 3, 3, 0.9) 100%),
        linear-gradient(90deg, rgba(8, 5, 5, 0.08), transparent 24%, transparent 76%, rgba(8, 5, 5, 0.08));
}

[data-theme="theme-black-salon"] .tetris-stage::before {
    border-color: rgba(209, 166, 94, 0.32);
    box-shadow:
        inset 0 0 48px rgba(209, 166, 94, 0.08),
        0 24px 70px rgba(4, 2, 2, 0.38);
}

[data-theme="theme-black-salon"] .tetris-touch-controls {
    border-color: rgba(209, 166, 94, 0.34);
}

[data-theme="theme-silk-gift"] .tetris-tool {
    --tetris-mobile-art-a-position: left -11rem top -2rem;
    --tetris-mobile-art-b-position: right -9.5rem bottom 4.6rem;
    --tetris-mobile-art-a-size: 50rem auto;
    --tetris-mobile-art-b-size: 55rem auto;
    --tetris-mobile-art-opacity: 0.72;
    --tetris-mobile-playing-art-a-position: left -7.8rem top -2.2rem;
    --tetris-mobile-playing-art-b-position: right -7.3rem bottom 4rem;
    --tetris-mobile-focus-gradient:
        radial-gradient(circle at 16% 18%, rgba(247, 185, 97, 0.24), transparent 12rem),
        radial-gradient(circle at 82% 78%, rgba(232, 74, 67, 0.18), transparent 14rem);
    --tetris-mobile-vignette:
        radial-gradient(ellipse at 50% 48%, rgba(24, 11, 8, 0.1), rgba(24, 11, 8, 0.52) 66%, rgba(14, 7, 5, 0.88) 100%),
        linear-gradient(90deg, rgba(24, 11, 8, 0.08), transparent 24%, transparent 76%, rgba(24, 11, 8, 0.08));
}

[data-theme="theme-silk-gift"] .tetris-stage {
    outline: 1px solid rgba(255, 225, 166, 0.16);
    outline-offset: -0.45rem;
}

[data-theme="theme-silk-gift"] .tetris-mode-btn.is-active {
    box-shadow: inset 0 0 0 1px rgba(255, 243, 223, 0.32);
}

[data-theme="theme-modern-atelier"] .tetris-tool {
    --tetris-mobile-art-a-position: left -15rem top -2.5rem;
    --tetris-mobile-art-b-position: right -15rem bottom 4.2rem;
    --tetris-mobile-art-a-size: 54rem auto;
    --tetris-mobile-art-b-size: 54rem auto;
    --tetris-mobile-art-opacity: 0.58;
    --tetris-mobile-playing-art-a-position: left -10rem top -2.6rem;
    --tetris-mobile-playing-art-b-position: right -10rem bottom 3.8rem;
    --tetris-mobile-focus-gradient:
        linear-gradient(90deg, rgba(125, 180, 230, 0.12) 0 1px, transparent 1px 4.2rem),
        radial-gradient(circle at 18% 20%, rgba(125, 180, 230, 0.18), transparent 12rem),
        radial-gradient(circle at 82% 76%, rgba(181, 138, 74, 0.16), transparent 12rem);
    --tetris-mobile-vignette:
        radial-gradient(ellipse at 50% 48%, rgba(10, 12, 14, 0.11), rgba(10, 12, 14, 0.5) 66%, rgba(8, 9, 10, 0.9) 100%),
        linear-gradient(90deg, rgba(8, 9, 10, 0.08), transparent 24%, transparent 76%, rgba(8, 9, 10, 0.08));
}

[data-theme="theme-modern-atelier"] .tetris-stage,
[data-theme="theme-modern-atelier"] .tetris-card,
[data-theme="theme-modern-atelier"] .tetris-touch-controls,
[data-theme="theme-modern-atelier"] .tetris-board-wrap {
    border-radius: 2px;
}

[data-theme="theme-modern-atelier"] .tetris-stage::before {
    backdrop-filter: blur(1px) grayscale(0.12);
}

[data-theme="theme-classic-atlas"] .tetris-tool {
    --tetris-mobile-art-a-position: left -10rem top -2rem;
    --tetris-mobile-art-b-position: right -12rem bottom 4.4rem;
    --tetris-mobile-art-a-size: 50rem auto;
    --tetris-mobile-art-b-size: 52rem auto;
    --tetris-mobile-art-opacity: 0.68;
    --tetris-mobile-playing-art-a-position: left -7.5rem top -2.3rem;
    --tetris-mobile-playing-art-b-position: right -8.4rem bottom 4rem;
    --tetris-mobile-focus-gradient:
        linear-gradient(90deg, rgba(116, 166, 216, 0.11) 0 1px, transparent 1px 3.8rem),
        linear-gradient(0deg, rgba(229, 199, 141, 0.08) 0 1px, transparent 1px 3.8rem),
        radial-gradient(circle at 18% 18%, rgba(116, 166, 216, 0.2), transparent 12rem),
        radial-gradient(circle at 84% 76%, rgba(184, 144, 76, 0.16), transparent 13rem);
    --tetris-mobile-vignette:
        radial-gradient(ellipse at 50% 48%, rgba(5, 12, 24, 0.1), rgba(5, 12, 24, 0.5) 66%, rgba(4, 9, 18, 0.88) 100%),
        linear-gradient(90deg, rgba(5, 12, 24, 0.08), transparent 24%, transparent 76%, rgba(5, 12, 24, 0.08));
}

[data-theme="theme-classic-atlas"] .tetris-topbar,
[data-theme="theme-classic-atlas"] .tetris-side-panel {
    position: relative;
}

[data-theme="theme-classic-atlas"] .tetris-card-label {
    letter-spacing: 0.08em;
}

/* Stage 54: the flagship mobile game view uses a portrait-safe generated asset. */
@media (max-width: 768px) {
    [data-theme="theme-luxury-atlas"] .tetris-tool {
        --tetris-mobile-vignette:
            radial-gradient(ellipse at 50% 44%, rgba(1, 4, 12, 0.06), rgba(1, 4, 12, 0.38) 58%, rgba(1, 3, 9, 0.78) 100%),
            linear-gradient(180deg, rgba(1, 4, 12, 0.04), rgba(1, 3, 9, 0.52)),
            linear-gradient(90deg, rgba(1, 3, 9, 0.08), transparent 21%, transparent 79%, rgba(1, 3, 9, 0.08));
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool::before,
    [data-theme="theme-luxury-atlas"] .tetris-tool.is-playing::before,
    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive::before {
        background-image:
            url("../../../资源/visuals/tetris-mobile-stage-v2.png"),
            var(--tetris-mobile-focus-gradient);
        background-position: center center, center;
        background-size: 100% 100%, cover;
        background-blend-mode: screen, normal;
        filter: saturate(1.1) contrast(1.08) brightness(0.96);
        opacity: 0.98;
        transform: scale(1);
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive .tetris-stage::before {
        background:
            radial-gradient(ellipse at 50% 46%, rgba(2, 6, 15, 0.3), rgba(2, 6, 15, 0.1) 58%, rgba(2, 6, 15, 0.03) 100%),
            linear-gradient(180deg, rgba(73, 232, 255, 0.08), rgba(255, 97, 216, 0.04)),
            url("../../../资源/visuals/tetris-mobile-stage-v2.png") center center / 100% 100% no-repeat;
        background-blend-mode: normal, normal, screen;
        border-color: rgba(124, 216, 255, 0.18);
        box-shadow:
            inset 0 0 38px rgba(73, 232, 255, 0.05),
            0 20px 54px rgba(1, 4, 12, 0.22);
    }

    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive .tetris-board-wrap {
        box-shadow:
            0 0 0 1px rgba(255, 255, 255, 0.08) inset,
            0 0 44px rgba(73, 232, 255, 0.2),
            0 0 72px rgba(255, 97, 216, 0.12),
            0 28px 76px rgba(0, 0, 0, 0.52);
    }
}

@media (max-width: 420px) {
    [data-theme="theme-luxury-atlas"] .tetris-tool::before,
    [data-theme="theme-luxury-atlas"] .tetris-tool.is-playing::before,
    [data-theme="theme-luxury-atlas"] .tetris-tool.is-immersive::before {
        background-position: center center, center;
        background-size: 100% 100%, cover;
    }
}

@media (max-width: 768px) and (prefers-reduced-motion: no-preference) {
    [data-theme="theme-luxury-atlas"] .tetris-tool::before {
        animation: tetrisMobileStageGlow 18s ease-in-out infinite;
    }
}

@keyframes tetrisMobileStageGlow {
    0%,
    100% {
        opacity: 0.96;
        transform: scale(1.005);
    }
    50% {
        opacity: 1;
        transform: scale(1.018);
    }
}