:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#213547;background-color:#fafafa;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%}*{box-sizing:border-box;margin:0;padding:0}html{height:100vh;height:100dvh;overflow:hidden}body{margin:0;min-width:320px;height:100vh;height:100dvh;overflow:hidden}@media(max-width:767px){html{overflow-y:auto;-webkit-overflow-scrolling:touch}body{overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-y:auto}}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#f9f9f9;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(min-width:1024px){::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:5px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}}@media(max-width:1023px){::-webkit-scrollbar{width:0px;height:0px;display:none}*{scrollbar-width:none}*{-ms-overflow-style:none}}.text-center{text-align:center}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.desktop-sidebar{position:fixed;top:0;left:0;height:100vh;background:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid rgba(0,0,0,.08);z-index:100;display:none;flex-direction:column;box-shadow:2px 0 20px #0000000d;transition:width .3s ease}.sidebar-content{display:flex;flex-direction:column;gap:.5rem;padding:1.5rem .75rem;height:100%}.sidebar-item{display:flex;align-items:center;padding:.875rem 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ease;font-size:.625rem;font-weight:500;min-width:56px;border-radius:8px;position:relative;overflow:hidden;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.nav-item:focus:not(:focus-visible){outline:none}.nav-item:hover{color:#1d1d1f;transform:translateY(-1px)}.nav-item.active{background:linear-gradient(135deg,var(--accent, #007AFF),var(--accent-hover, #0056CC));color:#fff;box-shadow:0 4px 12px #007aff40;transform:translateY(-2px);position:relative}.nav-item.active:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);width:20px;height:3px;background:linear-gradient(90deg,var(--accent, #007AFF),var(--accent-hover, #0056CC));border-radius:2px;box-shadow:0 2px 4px #007aff4d}.nav-icon{font-size:1.25rem;margin-bottom:.25rem;transition:all .2s ease;position:relative;z-index:1}.nav-item:hover .nav-icon{transform:scale(1.1)}.nav-item.active .nav-icon{transform:scale(1.05);filter:drop-shadow(0 1px 2px rgba(0,0,0,.2))}.nav-label{font-weight:500;letter-spacing:.025em;transition:all .2s ease;position:relative;z-index:1}.nav-item:hover .nav-label{transform:scale(1.05)}.nav-item.active .nav-label{transform:scale(1.02);font-weight:600;text-shadow:0 1px 2px rgba(0,0,0,.1)}.dark .desktop-sidebar{background:#1c1c1efa;border-right-color:#ffffff14;box-shadow:2px 0 20px #0000004d}.dark .sidebar-item{color:#a1a1a6}.dark .sidebar-item:hover{background:#ffffff14;color:#fff}.dark .sidebar-item.active{background:linear-gradient(135deg,#0a84ff,#0056cc);box-shadow:0 4px 12px #0a84ff4d}.dark .bottom-nav{background:#000000eb;border-top-color:#ffffff26;box-shadow:0 -8px 32px #0006,0 -1px #ffffff0d inset;-webkit-backdrop-filter:blur(30px) saturate(180%);backdrop-filter:blur(30px) saturate(180%)}.dark .bottom-nav:before{background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.1) 20%,rgba(255,255,255,.3) 50%,rgba(255,255,255,.1) 80%,transparent 100%)}.dark .nav-item{color:#8e8e93}.dark .nav-item:hover{background:#ffffff14;color:#fff}.dark .nav-item.active{background:linear-gradient(135deg,#0a84ff,#0056cc);box-shadow:0 4px 12px #0a84ff4d;transform:translateY(-2px)}.dark .nav-item.active:after{background:linear-gradient(90deg,#0a84ff,#0056cc);box-shadow:0 2px 4px #0a84ff66}@media(max-width:767px){.desktop-sidebar{display:none!important}.bottom-nav{display:flex!important}}@media(min-width:768px)and (max-width:1199px){.bottom-nav{display:none!important}.desktop-sidebar{display:flex!important;width:72px}.sidebar-content{padding:1.5rem .5rem;align-items:center}.sidebar-item{padding:.875rem;justify-content:center;border-radius:14px}.sidebar-label{display:none}.sidebar-icon{font-size:1.5rem}.sidebar-item{position:relative}.sidebar-item:after{content:attr(aria-label);position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);background:#000000d9;color:#fff;padding:.5rem .75rem;border-radius:8px;font-size:.8125rem;font-weight:500;white-space:nowrap;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;pointer-events:none;z-index:1000;box-shadow:0 4px 12px #00000026}.sidebar-item:before{content:"";position:absolute;left:calc(100% + 4px);top:50%;transform:translateY(-50%);border:6px solid transparent;border-right-color:#000000d9;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;pointer-events:none}.sidebar-item:hover:after,.sidebar-item:hover:before{opacity:1;visibility:visible}.dark .sidebar-item:after{background:#fffffff2;color:#1c1c1e}.dark .sidebar-item:before{border-right-color:#fffffff2}}@media(min-width:1200px){.bottom-nav{display:none!important}.desktop-sidebar{display:flex!important;width:200px}.sidebar-content{padding:1.5rem .75rem}}.main-content{transition:margin-left .3s ease}.main-content.full-screen{margin-left:0!important}@media(max-width:767px){.main-content{margin-left:0}}@media(min-width:768px)and (max-width:1199px){.main-content{margin-left:72px}}@media(min-width:1200px){.main-content{margin-left:200px}}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:300px;padding:2rem}.error-boundary-content{text-align:center;max-width:400px}.error-boundary-icon{font-size:3rem;margin-bottom:1rem}.error-boundary-title{font-size:1.5rem;font-weight:600;margin:0 0 .5rem;color:var(--color-text)}.error-boundary-message{color:var(--color-text-secondary);margin:0 0 1.5rem;line-height:1.5}.error-boundary-details{margin-bottom:1.5rem;text-align:left}.error-boundary-details summary{cursor:pointer;color:var(--color-text-secondary);font-size:.875rem;margin-bottom:.5rem}.error-boundary-details summary:hover{color:var(--color-text)}.error-boundary-stack{background:var(--color-surface-secondary);border-radius:8px;padding:1rem;font-size:.75rem;color:var(--color-danger, #ef4444);overflow-x:auto;white-space:pre-wrap;word-break:break-word;margin:0}.error-boundary-actions{display:flex;gap:.75rem;justify-content:center;flex-wrap:wrap}.error-boundary-btn{padding:.75rem 1.5rem;border-radius:8px;font-weight:500;cursor:pointer;transition:all .2s ease;border:none;font-size:.875rem}.error-boundary-btn:focus{outline:2px solid var(--color-primary);outline-offset:2px}.error-boundary-btn-primary{background:var(--color-primary);color:#fff}.error-boundary-btn-primary:hover{background:var(--color-primary-hover, #4f46e5)}.error-boundary-btn-secondary{background:var(--color-surface-secondary);color:var(--color-text)}.error-boundary-btn-secondary:hover{background:var(--color-surface-hover, #e5e7eb)}:root.dark .error-boundary-stack{background:#0000004d}:root.dark .error-boundary-btn-secondary{background:#ffffff1a}:root.dark .error-boundary-btn-secondary:hover{background:#ffffff26}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;border-radius:12px;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit;outline:none;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.btn:focus:not(:focus-visible){outline:none}.btn-small{padding:.5rem 1rem;font-size:.875rem}.btn-medium{padding:.75rem 1.5rem;font-size:1rem}.btn-large{padding:1rem 2rem;font-size:1.125rem}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--card-bg);color:var(--text-color);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--hover-bg);border-color:var(--primary-color)}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-color);padding:.5rem}.btn-ghost:hover:not(:disabled){background:var(--hover-bg)}.cookie-consent-overlay{position:fixed;bottom:0;left:0;right:0;z-index:10000;padding:1rem;pointer-events:none}.cookie-consent-banner{max-width:600px;margin:0 auto;background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 8px 24px #00000026;pointer-events:auto;animation:slideUp 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var(--border-light)}.cookie-consent-item-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem;gap:1rem}.cookie-consent-item-title{font-size:1rem;font-weight:600;color:var(--text-color)}.cookie-consent-item-status{font-size:.875rem;color:var(--text-secondary);font-weight:500}.cookie-consent-item-description{font-size:.875rem;line-height:1.5;color:var(--text-secondary);margin:0}.cookie-consent-toggle-wrapper{display:flex;align-items:center;gap:.5rem;cursor:pointer}.cookie-consent-toggle{width:44px;height:24px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border-color);border-radius:12px;position:relative;cursor:pointer;transition:background .2s ease;outline:none}.cookie-consent-toggle:focus-visible{outline:2px solid 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#ffffff;--background-alt: #f8f8fa;--surface: #f8f9fa;--card-bg: #ffffff;--border: #e5e5e7;--border-light: #f0f0f3;--border-color: #e5e5e7;--hover-bg: #f0f0f3;--accent: #007aff;--accent-hover: #0056cc;--accent-light: #e3f2fd;--red: #e11d48;--red-light: #fecdd3;--black: #1a1a1a;--success: #059669;--success-light: #f0fdf4;--success-border: #86efac;--error: #dc2626;--error-light: #fef2f2;--error-border: #fecaca}.app-container{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;height:100vh;height:100dvh;background:var(--background, #fff);color:var(--text, #222);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}@media(max-width:767px){.app-container{height:100vh;height:100dvh;min-height:100vh;min-height:100dvh;overflow:visible}}.app-container.dark{--background: #1a1a1a;--background-alt: #2a2a2a;--surface: #2a2a2a;--card-bg: #2a2a2a;--text: #fff;--text-color: #fff;--text-primary: #fff;--text-secondary: #ccc;--border: #404040;--border-light: #333;--border-color: #404040;--hover-bg: #333;--accent: #0A84FF;--accent-hover: #0056cc;--accent-light: #1a3a5a;--primary-color: #0A84FF;--primary-hover: #0066d6}.main-content{flex:1;padding:1rem;padding-bottom:calc(5rem + env(safe-area-inset-bottom));overflow-y:auto;height:0;min-height:0;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;overscroll-behavior-y:contain}@media(max-width:767px){.main-content{overscroll-behavior-y:auto}}@media(max-width:767px){.main-content{padding:1rem;padding-bottom:calc(5rem + env(safe-area-inset-bottom))}}@media(min-width:768px)and (max-width:1199px){.main-content{padding:1.5rem}}@media(min-width:1200px){.main-content{padding:2rem}}@media(min-width:1536px){.main-content{padding:2.5rem}}.stack-view{width:100%;display:flex;flex-direction:column;align-items:center;max-width:1200px;margin:0 auto;padding:1rem;min-height:100vh;justify-content:flex-start}@media(min-width:1024px){.stack-view{padding:2rem}}.stack-header{display:flex;justify-content:center;align-items:center;width:100%;margin-bottom:2rem;text-align:center}.stack-title{font-size:1.5rem;font-weight:600;color:var(--text, #222);margin:0}.stack-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:.75rem;width:100%;max-width:600px;justify-content:center;margin:0 auto}@media(min-width:640px){.stack-grid{grid-template-columns:repeat(4,1fr);gap:1rem;max-width:400px}}@media(min-width:768px){.stack-grid{grid-template-columns:repeat(6,1fr);gap:1rem;max-width:600px}}@media(min-width:1024px){.stack-grid{grid-template-columns:repeat(8,1fr);gap:1.25rem;max-width:800px}}@media(min-width:1280px){.stack-grid{grid-template-columns:repeat(10,1fr);gap:1.5rem;max-width:1000px}}@media(min-width:1536px){.stack-grid{grid-template-columns:repeat(12,1fr);gap:1.5rem;max-width:1200px}}.stack-card-item{aspect-ratio:2.5 / 3.5;display:flex;align-items:center;justify-content:center;width:100%}.playing-card{width:100%;height:100%;background:var(--surface, #f8f9fa);border:1px solid var(--border, #e5e5e7);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;transition:all .2s ease;cursor:pointer}.playing-card:hover{transform:translateY(-2px);border-color:var(--accent, #007aff)}.card-value{font-size:1.2rem;font-weight:600;margin-bottom:.25rem;line-height:1}.card-suit{font-size:1.5rem;line-height:1;margin-bottom:.5rem}.card-index{position:absolute;bottom:.25rem;left:.25rem;font-size:.7rem;font-weight:600;color:var(--text-secondary, #666);background:var(--background, #fff);padding:.125rem .25rem;border-radius:4px;border:1px solid var(--border-light, #f0f0f3)}.playing-card.card-red .card-value,.playing-card.card-red .card-suit{color:#dc2626}.playing-card.card-black .card-value,.playing-card.card-black .card-suit{color:#1a1a1a}.app-container.dark .playing-card{background:var(--surface, #2a2a2a);border-color:var(--border, #404040)}.app-container.dark .playing-card.card-red .card-value,.app-container.dark .playing-card.card-red .card-suit{color:#ef4444}.app-container.dark .playing-card.card-black .card-value,.app-container.dark .playing-card.card-black .card-suit{color:#fff}.app-container.dark .card-index{background:var(--background, #1a1a1a);border-color:var(--border, #404040);color:var(--text-secondary, #ccc)}@media(max-width:480px){.stack-grid{grid-template-columns:repeat(3,1fr);gap:.5rem;max-width:300px}.playing-card{border-radius:6px}.card-value{font-size:1rem}.card-suit{font-size:1.25rem}.card-index{font-size:.6rem;padding:.1rem .2rem;bottom:.2rem;left:.2rem}}.practice-view{width:100%;max-width:480px;margin:0 auto;padding:.5rem .5rem 6rem;display:flex;flex-direction:column;gap:.75rem}@media(min-width:1024px){.practice-view{max-width:none;padding:0}}.selection-header{text-align:center;padding:.5rem 0 .25rem}.selection-title{font-size:1.8rem;font-weight:700;color:var(--text, #222);margin:0 0 .5rem}.selection-subtitle{font-size:1rem;color:var(--text-secondary, #666);margin:0;font-weight:500}.mode-list{display:flex;flex-direction:column;gap:.5rem;padding:.25rem 0;flex:1;min-height:0}@media(min-width:1024px){.mode-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;padding:0}.mode-card{height:100%;min-height:120px}}@media(min-width:1280px){.mode-list{grid-template-columns:repeat(3,1fr)}}.mode-card{display:flex;align-items:center;gap:.75rem;padding:1rem;border:1px solid var(--border, #e5e5e7);border-radius:16px;background:var(--surface, #ffffff);color:var(--text, #222);cursor:pointer;transition:all .2s ease;text-align:left;box-shadow:0 2px 8px #0000000a}.mode-card:hover{background:var(--accent-light, #f0f8ff);border-color:var(--accent, #007aff);transform:translateY(-2px);box-shadow:0 4px 16px #007aff26}.mode-card:active{transform:translateY(0)}.mode-name{font-size:1.1rem;font-weight:600;color:var(--text, #222);margin:0}.mode-description{font-size:.9rem;color:var(--text-secondary, #666);line-height:1.4;margin:0}.mode-stats{display:flex;align-items:center;gap:.5rem;font-size:.8rem;margin-top:.25rem}.mode-accuracy{color:var(--accent, 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#0000000a}.stack-info{display:flex;flex-direction:column;gap:.25rem;min-width:0;flex:1}.stack-name{font-size:1rem;font-weight:600;color:var(--text, #222);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stack-date{font-size:.8125rem;color:var(--text-secondary, #666)}.stack-actions{display:flex;gap:.5rem;flex-shrink:0}.action-btn{padding:.5rem .875rem;font-size:.8125rem;font-weight:500;border-radius:8px;border:none;cursor:pointer;transition:all .2s ease;font-family:inherit;-webkit-tap-highlight-color:transparent}.action-btn:focus:not(:focus-visible){outline:none}.action-btn:focus-visible{outline:2px solid var(--accent, #007aff);outline-offset:2px}.edit-btn{background:var(--surface, #f8f9fa);color:var(--text, #222);border:1px solid var(--border, #e5e5e7)}.edit-btn:hover{background:var(--accent-light, #e3f2fd);border-color:var(--accent, #007aff);color:var(--accent, #007aff)}.delete-btn{background:transparent;color:var(--error, 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var(--primary-color);outline-offset:2px}.toggle:disabled{opacity:.5;cursor:not-allowed}.toggle-slider{position:absolute;top:2px;left:2px;width:24px;height:24px;background:#fff;border-radius:50%;transition:transform .2s ease;box-shadow:0 2px 4px #0003}.toggle-active{background:var(--primary-color)}.toggle-active .toggle-slider{transform:translate(24px)}.cookie-prefs-summary{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:.875rem}.cookie-prefs-summary-label{color:var(--text-secondary)}.cookie-prefs-summary-value{color:var(--text-secondary);font-weight:500}.cookie-prefs-summary-enabled{color:var(--success-color, #34c759)}.about-info{display:flex;flex-direction:column;gap:.75rem}.app-name{font-size:1.125rem;font-weight:600;color:var(--text-color)}.build-time{font-size:.8125rem;color:var(--text-secondary);font-style:italic}.app-description{font-size:.9375rem;color:var(--text-color);line-height:1.6}.support-info{display:flex;flex-direction:column;gap:1rem}.support-text{font-size:.9rem;color:var(--text-secondary, #666);line-height:1.5}.support-button{width:100%;padding:.875rem 1.25rem;background:linear-gradient(135deg,#ff6b6b,#ee5a52);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:.5rem;text-decoration:none}.support-button:hover,.support-button:focus{transform:translateY(-1px);box-shadow:0 4px 12px #ff6b6b4d;outline:none}.support-button:focus-visible{outline:2px solid var(--accent, #007aff);outline-offset:2px}.support-hint{font-size:.8rem;color:var(--text-secondary, 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.position-card-value{color:var(--text, #222);font-weight:600}.position-num{font-size:.625rem;font-weight:500;color:var(--text-secondary, #666);line-height:1}.position-card-value{font-size:.75rem;font-weight:500;color:var(--text-secondary, #999);line-height:1;margin-top:.125rem}.card-selector-section{background:var(--surface, #f8f9fa);border-radius:16px;padding:1.25rem;border:1px solid var(--border-light, #f0f0f3);display:flex;flex-direction:column}.card-selector{display:flex;flex-direction:column;gap:.75rem}.suit-row{display:flex;align-items:center;gap:.75rem}.suit-symbol{font-size:1.5rem;width:2rem;text-align:center;flex-shrink:0}.suit-symbol.hearts,.suit-symbol.diamonds{color:#e11d48}.suit-symbol.spades,.suit-symbol.clubs{color:var(--text, #222)}.rank-buttons{display:flex;gap:.375rem;flex-wrap:wrap;flex:1}.rank-btn{min-width:2.25rem;height:2.25rem;display:flex;align-items:center;justify-content:center;padding:.25rem .5rem;background:var(--background, #fff);border:2px solid var(--border, #e5e5e7);border-radius:8px;font-size:.875rem;font-weight:600;color:var(--text, #222);cursor:pointer;font-family:inherit;transition:all .15s ease;-webkit-tap-highlight-color:transparent}.rank-btn:hover:not(:disabled){border-color:var(--accent, #007aff);background:var(--accent-light, #e3f2fd)}.rank-btn.selected{background:var(--accent, #007aff);border-color:var(--accent, #007aff);color:#fff}.rank-btn.used{opacity:.3;cursor:not-allowed;text-decoration:line-through}.rank-btn:focus:not(:focus-visible){outline:none}.rank-btn:focus-visible{outline:2px solid var(--accent, #007aff);outline-offset:2px}.mobile-position-nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem;background:var(--surface, #f8f9fa);border-radius:16px;border:1px solid var(--border-light, #f0f0f3)}.nav-btn{width:3rem;height:3rem;display:flex;align-items:center;justify-content:center;background:var(--background, #fff);border:2px solid var(--border, #e5e5e7);border-radius:12px;font-size:1.25rem;font-weight:600;color:var(--text, #222);cursor:pointer;font-family:inherit;transition:all .15s ease;-webkit-tap-highlight-color:transparent}.nav-btn:hover{border-color:var(--accent, #007aff);background:var(--accent-light, #e3f2fd)}.current-position-display{display:flex;flex-direction:column;align-items:center;gap:.25rem;flex:1}.position-label{font-size:.75rem;font-weight:500;color:var(--text-secondary, #666);text-transform:uppercase;letter-spacing:.05em}.position-number{font-size:2rem;font-weight:700;color:var(--accent, #007aff);line-height:1}.position-card{font-size:1.25rem;font-weight:600;color:var(--text, #222)}.mobile-position-grid{padding:1rem 1.5rem 2rem;background:var(--background, #fff);border-top:1px solid var(--border-light, #f0f0f3)}.mini-grid{display:grid;grid-template-columns:repeat(13,1fr);gap:.25rem}.mini-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--surface, #f8f9fa);border:1px solid var(--border-light, #f0f0f3);border-radius:4px;font-size:.5625rem;font-weight:600;color:var(--text-secondary, #999);cursor:pointer;font-family:inherit;padding:0;-webkit-tap-highlight-color:transparent}.mini-cell.filled{background:var(--accent-light, #e3f2fd);color:var(--accent, #007aff)}.mini-cell.selected{background:var(--accent, #007aff);border-color:var(--accent, #007aff);color:#fff}@media(min-width:768px){.builder-main{flex-direction:row;align-items:flex-start;padding:1.5rem 2rem;gap:2rem}.position-grid-section{flex:1;max-width:500px;min-height:fit-content}.card-selector-section{flex:1;max-width:500px;position:sticky;align-self:flex-start;min-height:fit-content}.position-grid-section .section-header,.card-selector-section .section-header{height:2.5rem;display:flex;align-items:center;margin-bottom:.75rem}.position-grid{grid-template-columns:repeat(8,1fr)}}@media(min-width:1024px){.builder-header{padding:1rem 2rem}.name-section,.progress-section{padding-left:2rem;padding-right:2rem}.builder-main{padding:2rem;max-width:1200px;margin:0 auto}.position-cell{padding:.375rem}.position-num{font-size:.6875rem}.position-card-value{font-size:.8125rem}.rank-btn{min-width:2.5rem;height:2.5rem;font-size:.9375rem}}.stack-builder-page.dark .builder-header{background:var(--background);border-color:var(--border)}.stack-builder-page.dark .name-section,.stack-builder-page.dark .progress-section{background:var(--background)}.stack-builder-page.dark .progress-bar{background:var(--border)}.stack-builder-page.dark .position-grid-section,.stack-builder-page.dark .card-selector-section,.stack-builder-page.dark .mobile-position-nav{background:var(--surface);border-color:var(--border)}.stack-builder-page.dark .position-cell{background:var(--background);border-color:var(--border)}.stack-builder-page.dark .position-cell.selected{background:var(--accent-light)}.stack-builder-page.dark .rank-btn{background:var(--background);border-color:var(--border)}.stack-builder-page.dark .rank-btn:hover:not(:disabled){background:var(--accent-light)}.stack-builder-page.dark .nav-btn{background:var(--background);border-color:var(--border)}.stack-builder-page.dark .nav-btn:hover{background:var(--accent-light)}.stack-builder-page.dark .mobile-position-grid{background:var(--background);border-color:var(--border)}.stack-builder-page.dark .mini-cell{background:var(--surface);border-color:var(--border)}.stack-builder-page.dark .mini-cell.filled{background:var(--accent-light)}.stack-builder-page.dark .suit-symbol.spades,.stack-builder-page.dark .suit-symbol.clubs{color:var(--text)}.stack-builder-page.dark .suit-symbol.hearts,.stack-builder-page.dark .suit-symbol.diamonds{color:#ef4444}.stack-builder-page.dark .clear-all-btn,.stack-builder-page.dark .clear-btn{border-color:var(--border);color:var(--text-secondary)}.stack-builder-page.dark .clear-all-btn:hover,.stack-builder-page.dark .clear-btn:hover{background:#dc262626}