[data-theme="zen"] *{scrollbar-color:rgba(44,44,44,0.2) #ede7db}[data-theme="zen"]::-webkit-scrollbar-track{background:#ede7db;border-radius:6px;border:none}[data-theme="zen"]::-webkit-scrollbar-thumb{background:rgba(44,44,44,0.2);border-radius:6px;border:none;box-shadow:none}[data-theme="zen"]::-webkit-scrollbar-thumb:hover{background:rgba(44,44,44,0.35)}[data-theme="zen"] body{font-family:var(--t-font-body);color:var(--t-text-primary)}[data-theme="zen"] .quantris-title-text,[data-theme="zen"] h1,[data-theme="zen"] h2,[data-theme="zen"] h3{font-family:var(--t-font-display);font-weight:400;text-shadow:none;letter-spacing:0.02em}[data-theme="zen"] .quantris-title-text{color:var(--t-text-primary);font-weight:400;font-style:italic}[data-theme="zen"] #main-menu{background:var(--t-bg-app)}[data-theme="zen"] #main-menu::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E") repeat;z-index:-1}[data-theme="zen"] #main-menu::after{display:none !important}[data-theme="zen"] .menu-action-button,[data-theme="zen"] .quantris-modal button{background:var(--t-btn-bg);color:var(--t-btn-text);border:1px solid var(--t-btn-border);border-radius:var(--radius-md);box-shadow:none;font-family:var(--t-font-body);font-weight:500;transition:background 0.25s var(--ease-default)}[data-theme="zen"] .menu-action-button:hover,[data-theme="zen"] .quantris-modal button:hover{background:var(--t-btn-hover-bg);box-shadow:none}[data-theme="zen"] .menu-action-button:active,[data-theme="zen"] .quantris-modal button:active{background:var(--t-btn-active-bg)}[data-theme="zen"] .menu-action-button--primary{background:var(--t-btn-cta-bg) !important;color:var(--t-btn-cta-text) !important;border-color:var(--t-btn-cta-border) !important}[data-theme="zen"] .menu-action-button--primary:hover{background:var(--t-btn-cta-hover-bg) !important}[data-theme="zen"] .quantris-modal{background:var(--t-modal-bg);border:1px solid var(--t-modal-border);border-radius:var(--radius-lg);box-shadow:none;animation:zen-fade 0.35s ease-out}@keyframes zen-fade{from{opacity:0}to{opacity:1}}[data-theme="zen"] .quantris-modal::before,[data-theme="zen"] .quantris-modal::after,[data-theme="zen"] .level-card::before,[data-theme="zen"] .level-card::after,[data-theme="zen"] .menu-action-button::before,[data-theme="zen"] .menu-action-button::after{display:none !important}[data-theme="zen"] .level-card{background:var(--t-card-bg);border:1px solid var(--t-card-border);border-radius:var(--radius-lg);box-shadow:none}[data-theme="zen"] .level-card:hover{border-color:var(--t-accent-secondary)}[data-theme="zen"] .hud-value,[data-theme="zen"] .game-score-value,[data-theme="zen"] .game-level-value,[data-theme="zen"] .game-lines-value{font-family:var(--t-font-display);color:var(--t-hud-value);font-weight:400}[data-theme="zen"] .hud-label{font-family:var(--t-font-body);color:var(--t-hud-label);text-transform:none;font-size:0.85em}[data-theme="zen"] .quantris-overlay{background:var(--t-modal-backdrop)}[data-theme="zen"] .game-board-frame{border:1px solid rgba(44,44,44,0.12);border-radius:var(--radius-md);box-shadow:none;background:transparent}[data-theme="zen"] *{text-shadow:none !important}[data-theme="zen"] .menu-help-button,[data-theme="zen"] .menu-account-button{background:var(--t-btn-bg);border-color:var(--t-btn-border);box-shadow:none;color:var(--t-btn-text)}[data-theme="zen"] .menu-help-button:hover,[data-theme="zen"] .menu-account-button:hover{background:var(--t-btn-hover-bg);border-color:var(--t-accent-secondary);box-shadow:none}[data-theme="zen"] .game-end-title{font-family:var(--t-font-display);font-style:italic;font-weight:400}