:root{--font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--card-width: 88px;--card-height: 124px;--card-radius: 7px;--hud-bg: rgba(15, 23, 42, .82);--hud-border: rgba(255, 255, 255, .12);--hud-text: #f8fafc;--hud-text-muted: #94a3b8;--btn-primary-bg: linear-gradient(180deg, #3b82f6 0%, #1d4ed8 100%);--btn-primary-hover: linear-gradient(180deg, #60a5fa 0%, #2563eb 100%);--btn-secondary-bg: rgba(255, 255, 255, .08);--btn-secondary-hover: rgba(255, 255, 255, .16);--card-shadow: 0 2px 4px rgba(0, 0, 0, .18), 0 6px 14px rgba(0, 0, 0, .16);--card-hover-shadow: 0 4px 8px rgba(0, 0, 0, .22), 0 10px 20px rgba(0, 0, 0, .2);--card-drag-shadow: 0 20px 36px rgba(0, 0, 0, .45), 0 8px 16px rgba(0, 0, 0, .35)}body.theme-classic-green{--table-bg: radial-gradient(ellipse at 50% 25%, #15803d 0%, #166534 50%, #14532d 85%, #052e16 100%);--slot-border: rgba(255, 255, 255, .2);--slot-bg: rgba(0, 0, 0, .22)}body.theme-midnight-navy{--table-bg: radial-gradient(ellipse at 50% 25%, #1e293b 0%, #0f172a 55%, #020617 100%);--slot-border: rgba(56, 189, 248, .24);--slot-bg: rgba(0, 0, 0, .32)}body.theme-crimson-velvet{--table-bg: radial-gradient(ellipse at 50% 25%, #9f1239 0%, #881337 50%, #4c0519 85%, #1a0209 100%);--slot-border: rgba(251, 113, 133, .24);--slot-bg: rgba(0, 0, 0, .28)}body.theme-carbon-dark{--table-bg: radial-gradient(ellipse at 50% 25%, #27272a 0%, #18181b 55%, #09090b 100%);--slot-border: rgba(255, 255, 255, .16);--slot-bg: rgba(255, 255, 255, .05)}body.theme-royal-amethyst{--table-bg: radial-gradient(ellipse at 50% 25%, #581c87 0%, #3b0764 50%, #2e1065 85%, #0f051d 100%);--slot-border: rgba(192, 132, 252, .25);--slot-bg: rgba(0, 0, 0, .28)}body.theme-ocean-teal{--table-bg: radial-gradient(ellipse at 50% 25%, #0f766e 0%, #115e59 50%, #134e4a 85%, #042f2e 100%);--slot-border: rgba(45, 212, 191, .25);--slot-bg: rgba(0, 0, 0, .25)}body.theme-warm-amber{--table-bg: radial-gradient(ellipse at 50% 25%, #78350f 0%, #451a03 50%, #291204 85%, #0c0501 100%);--slot-border: rgba(251, 191, 36, .22);--slot-bg: rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}html,body{width:100%;height:100%;overflow:hidden;overscroll-behavior:none;-webkit-overflow-scrolling:touch;-webkit-tap-highlight-color:transparent;font-family:var(--font-family);background:#0f172a;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{width:100%;height:100%;display:flex;flex-direction:column;background:var(--table-bg);color:var(--hud-text);touch-action:manipulation;overscroll-behavior:none;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}.game-header{height:56px;min-height:48px;background:var(--hud-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--hud-border);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(.45rem,2vw,1.25rem);z-index:100;flex-shrink:0;box-shadow:0 2px 10px #00000040;gap:.4rem}.header-left{display:flex;align-items:center;gap:clamp(.35rem,1.2vw,.75rem);flex-shrink:0}.logo{display:flex;align-items:center;gap:.45rem;font-weight:700;font-size:1.12rem;letter-spacing:-.02em;text-shadow:0 1px 2px rgba(0,0,0,.3)}.logo-icon{font-size:1.35rem;filter:drop-shadow(0 1px 2px rgba(0,0,0,.4));line-height:1;display:flex;align-items:center}.difficulty-badge{font-size:.75rem;font-weight:600;background:#38bdf81f;border:1px solid rgba(56,189,248,.3);padding:.22rem .65rem;border-radius:9999px;color:#38bdf8;cursor:pointer;white-space:nowrap;transition:all .15s ease;touch-action:manipulation}.difficulty-badge:hover{background:#38bdf838;border-color:#38bdf8;transform:translateY(-1px)}.game-seed-badge{font-size:.75rem;font-weight:600;background:#ffffff14;border:1px solid rgba(255,255,255,.15);padding:.22rem .65rem;border-radius:9999px;color:var(--hud-text-muted);cursor:pointer;white-space:nowrap;transition:all .15s ease;touch-action:manipulation}.game-seed-badge:hover{background:#ffffff2e;color:#fff;border-color:#38bdf866;transform:translateY(-1px)}.header-stats{display:flex;align-items:center;gap:clamp(.25rem,1vw,.85rem);flex-shrink:1}.stat-box{display:flex;flex-direction:column;align-items:center;justify-content:center;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:.22rem clamp(.35rem,1vw,.75rem);min-width:54px}.stat-label{font-size:.6rem;font-weight:700;letter-spacing:.08em;color:var(--hud-text-muted);line-height:1}.stat-value{font-size:1.08rem;font-weight:700;font-variant-numeric:tabular-nums;color:#fff;text-shadow:0 1px 2px 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ease;border-radius:var(--card-radius);box-shadow:2px 2px #00000059,4px 4px #00000038,var(--card-shadow)}.stock-deck:hover:not(.empty){transform:translateY(-3px);box-shadow:2px 4px #00000059,4px 6px #00000038,var(--card-hover-shadow)}.stock-deck.empty{border:2px dashed var(--slot-border);border-radius:var(--card-radius);background:var(--slot-bg);box-shadow:none;display:flex;align-items:center;justify-content:center;cursor:default;height:100%}.empty-stock-slot{font-size:1.5rem;color:var(--hud-text-muted);opacity:.4}.stock-count-badge{position:absolute;bottom:-6px;right:-6px;width:24px;height:24px;background:#dc2626;color:#fff;border-radius:9999px;font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;border:2px solid #ffffff;box-shadow:0 2px 5px #0006;pointer-events:none;z-index:5}.message-banner{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:.5rem 1.4rem;border-radius:9999px;font-size:.9rem;font-weight:600;pointer-events:none;opacity:0;transition:opacity .2s ease,transform .2s ease;z-index:50;white-space:nowrap}.message-banner.active{opacity:1}.message-banner.info{background:#0f172ae6;backdrop-filter:blur(8px);color:#38bdf8;border:1px solid rgba(56,189,248,.4);box-shadow:0 6px 16px #00000059}.message-banner.warning{background:#dc2626eb;backdrop-filter:blur(8px);color:#fff;border:1px solid rgba(255,255,255,.3);box-shadow:0 6px 16px #dc262666}.top-bar-left{display:flex;align-items:center;gap:.75rem}.waste-container{position:relative;width:var(--card-width);aspect-ratio:5 / 7}.waste-pile{position:relative;width:100%;height:100%}.waste-slot.empty{width:100%;height:100%;border:2px dashed var(--slot-border);border-radius:var(--card-radius);background:var(--slot-bg);box-shadow:inset 0 2px 4px #0003}.waste-card{position:absolute;top:0;left:0;width:100%;height:100%;cursor:grab;transition:transform .15s ease,box-shadow .15s ease}.waste-card:last-child{z-index:5}.waste-card:last-child:hover{transform:translateY(-2px);box-shadow:var(--card-hover-shadow)}.freecell-group{display:flex;align-items:center;gap:.4rem}.freecell-slot{width:calc(var(--card-width) * .92);aspect-ratio:5 / 7;border:2px dashed var(--slot-border);border-radius:var(--card-radius);background:var(--slot-bg);display:flex;align-items:center;justify-content:center;position:relative;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;box-shadow:inset 0 2px 4px #00000040;cursor:pointer}.freecell-slot.has-card{border-style:solid;border-color:#ffffff1f;background:transparent;box-shadow:none}.freecell-slot .card{width:100%;height:100%}.freecell-placeholder{font-size:.8rem;font-weight:700;letter-spacing:.05em;color:#ffffff2e;font-family:inherit;user-select:none}.freecell-slot.drop-target-valid,.freecell-slot.tap-target-valid{border:2.5px solid #22c55e!important;background:#22c55e38!important;box-shadow:0 0 16px 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*{pointer-events:none!important}.card-corner-badge .badge-rank{font-family:inherit;font-weight:800;letter-spacing:-.02em}.card-corner-badge .badge-suit-icon{display:inline-flex;align-items:center;justify-content:center}.card-wrapper.is-covered:hover .card-corner-badge,.column-cards>.card-wrapper:not(:last-child):hover .card-corner-badge{opacity:1;transform:translateY(0) scale(1)}.card-wrapper.is-top-card .card-corner-badge,.column-cards>.card-wrapper:last-child .card-corner-badge,.foundation-slot .card-corner-badge,.empty-stock-slot .card-corner-badge,.card-wrapper.is-being-dragged .card-corner-badge,.in-drag-overlay .card-corner-badge,.drag-overlay .card-corner-badge,body.is-dragging-card .card-corner-badge{display:none!important;opacity:0!important;visibility:hidden!important}.card-face.card-front:before{content:"";position:absolute;top:0;left:-120%;width:100%;height:100%;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.5) 50%,transparent 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modalScaleIn{0%{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.modal-header h2{font-size:1.35rem;font-weight:700;letter-spacing:-.01em}.modal-close{background:none;border:none;color:var(--hud-text-muted);font-size:1.75rem;cursor:pointer;line-height:1;padding:0 .25rem;transition:color .15s ease}.modal-close:hover{color:#fff}.modal-desc{font-size:.92rem;color:var(--hud-text-muted);margin-bottom:1.1rem}.difficulty-options{display:flex;flex-direction:column;gap:.75rem}.diff-card{background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:10px;padding:1rem 1.15rem;text-align:left;cursor:pointer;transition:background .15s ease,border-color .15s ease,transform .1s ease,box-shadow .15s 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