:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}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:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--font-family-ui: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--panel-bg: #0b1220;--panel-border: #243041;--panel-shadow: 0 18px 50px rgba(0, 0, 0, .35);--section-bg: #0f1726;--section-border: #253247;--text-main: #e6eef8;--text-muted: #93a4b8;--text-soft: #6f8298;--text-on-accent: #f8fbff;--button-hover: #1d2a40;--button-active: #1f3a5f;--button-active-border: #4da3ff;--input-accent: #59a8ff;--checkbox-border: #314158;--focus-ring: rgba(89, 168, 255, .18);--focus-ring-soft: rgba(89, 168, 255, .08);--slider-thumb-border: #9fd0ff;--slider-thumb-highlight: #dff1ff;--slider-thumb-core: #59a8ff;--slider-thumb-shadow: rgba(89, 168, 255, .16);--canvas-bg: #050a14;--curve-button-group-bg: #0b1422;--curve-button-active-top: #1d3554;--curve-button-active-bottom: #182b45;--surface-border-soft: rgba(255, 255, 255, .04);--surface-border-medium: rgba(255, 255, 255, .06);--surface-overlay-strong: rgba(255, 255, 255, .03);--surface-overlay-mid: rgba(255, 255, 255, .025);--surface-overlay-soft: rgba(255, 255, 255, .02);--surface-overlay-faint: rgba(255, 255, 255, .015);--surface-overlay-min: rgba(255, 255, 255, .01);--surface-overlay-bg-soft: rgba(255, 255, 255, .005);--slider-track-top: #2a3a52;--slider-track-bottom: #1b2638;--checkbox-bg-top: #0f1724;--checkbox-bg-bottom: #0c1420;--checkbox-checked-top: #21406a;--checkbox-checked-bottom: #173252;--shadow-inset-soft: inset 0 1px 0 rgba(255, 255, 255, .03);--shadow-inset-strong: inset 0 1px 0 rgba(255, 255, 255, .06);--shadow-card: 0 12px 32px rgba(0, 0, 0, .35);--shadow-float: 0 6px 18px rgba(0, 0, 0, .22);--shadow-control: 0 2px 10px rgba(0, 0, 0, .35);--shadow-subtle: 0 1px 3px rgba(0, 0, 0, .35);--radius-panel: 18px;--radius-section: 14px;--radius-control: 10px;--radius-pill: 999px;--space-1: 8px;--space-2: 12px;--space-3: 16px;--space-4: 20px;--space-5: 24px;--space-6: 32px;--title-size: 1rem;--label-size: .95rem;--value-size: .9rem;--transition-fast: .12s ease;--transition-medium: .18s ease}.controls-panel{--slider-fill-top: #4de2ff;--slider-fill-bottom: #00bcd4}.controls-panel[data-curve-type=lissajous]{--slider-fill-top: #ff4de2;--slider-fill-bottom: #d400b0}.controls-panel[data-curve-type=epicycloid]{--slider-fill-top: #4dff9a;--slider-fill-bottom: #00c96b}.controls-panel[data-curve-type=hypocycloid]{--slider-fill-top: #ffb84d;--slider-fill-bottom: #ff7a00}.canvas-wrapper{position:relative;width:100%;aspect-ratio:2 / 1;min-height:240px}.mini-map{position:absolute;right:1rem;bottom:1rem;border:1px solid rgba(255,255,255,.25);border-radius:.5rem;background:#00000059;pointer-events:none}.mini-map__background{fill:#ffffff0f}.mini-map__viewport{fill:#ffffff29;stroke:#ffffffd9;stroke-width:1.5}.mini-map{pointer-events:auto;cursor:crosshair}.canvas{display:block;width:100%;height:100%;border-radius:var(--radius-section);border:1px solid var(--input-accent);background:var(--canvas-bg);box-shadow:0 0 0 1px var(--surface-overlay-strong) inset,var(--shadow-card);touch-action:none}.canvas-wrapper:after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:var(--radius-section);background:repeating-linear-gradient(to bottom,rgba(255,255,255,.02),rgba(255,255,255,.02) 1px,transparent 1px,transparent 3px);opacity:.15}.canvas-wrapper{position:relative;--hud-accent-bg: rgba(77, 227, 195, .16);--hud-accent-border: rgba(77, 227, 195, .3);--hud-accent-glow: rgba(77, 227, 195, .75)}.canvas-wrapper[data-curve-type=lissajous]{--hud-accent-bg: rgba(227, 152, 255, .14);--hud-accent-border: rgba(227, 152, 255, .28);--hud-accent-glow: rgba(227, 152, 255, .8)}.canvas-wrapper[data-curve-type=epicycloid]{--hud-accent-bg: rgba(77, 255, 154, .14);--hud-accent-border: rgba(77, 255, 154, .28);--hud-accent-glow: rgba(77, 255, 154, .8)}.canvas-wrapper[data-curve-type=hypocycloid]{--hud-accent-bg: rgba(255, 184, 77, .14);--hud-accent-border: rgba(255, 184, 77, .28);--hud-accent-glow: rgba(255, 184, 77, .8)}.canvas-hud{position:absolute;top:12px;left:12px;z-index:3;width:200px;padding:10px 10px 12px;border-radius:12px;background:#080d161a;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.06);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 20px #00000024}.canvas-hud--collapsed{width:28px;height:190px;padding:6px 4px;display:flex;justify-content:center;align-items:flex-start;background:#080d1614;border:1px solid rgba(255,255,255,.06);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);box-shadow:0 0 10px #4de2ff33}.canvas-hud__toggle{width:18px;height:18px;padding:0;border-radius:6px;border:1px solid rgba(255,255,255,.08);background:#ffffff0a;color:#eef7ff;font-size:.62rem;cursor:pointer}.canvas-hud--collapsed .canvas-hud__toggle{margin-top:6px}.canvas-hud__header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px}.canvas-hud__title{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#d2e1f5ad}.canvas-hud__badge{display:inline-flex;align-items:center;min-height:20px;padding:0 9px;border-radius:999px;background:var(--hud-accent-bg);border:1px solid var(--hud-accent-border);color:#f4fbff;font-size:.64rem;letter-spacing:.08em;white-space:nowrap}.canvas-hud__live{display:flex;align-items:center;gap:8px;margin-top:10px;color:#d7e7f8;font-size:.7rem}.canvas-hud__live-dot{width:7px;height:7px;border-radius:50%;background:var(--hud-accent-glow);box-shadow:0 0 8px var(--hud-accent-glow)}.canvas-hud__rows{display:flex;flex-direction:column;gap:8px;margin-top:12px}.canvas-hud__row{display:flex;justify-content:space-between;gap:16px;font-size:.72rem}.canvas-hud__row-label{color:#96aabed9}.canvas-hud__row-value{color:#e8f2fc}@media(max-width:600px){.canvas-hud:not(.canvas-hud--collapsed){width:min(280px,calc(100% - 16px));height:auto;padding:6px 8px;background:#080d1647;border:1px solid rgba(255,255,255,.06);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.canvas-hud__header{margin-top:2px}.canvas-hud__title{font-size:.62rem}.canvas-hud__badge{min-height:12px;padding:0 6px;font-size:.56rem}.canvas-hud__live{display:none}.canvas-hud__rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px;margin-top:3px}.canvas-hud__row{display:flex;align-items:baseline;gap:4px;font-size:.64rem}.canvas-hud__row-label{white-space:nowrap}.canvas-hud__row-value{white-space:nowrap;font-weight:500;text-overflow:ellipsis}.canvas-hud__row-label:after{content:":";margin-right:2px}.canvas-hud--collapsed{width:28px;height:64px;padding:6px 4px;overflow:visible;background:#080d1629;border:1px solid rgba(255,255,255,.06);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}}.canvas-reset-button{position:absolute;top:1rem;right:1rem;z-index:10;padding:.5rem .9rem;border:1px solid rgba(255,255,255,.14);border-radius:.6rem;background:#ffffff14;color:#ffffffeb;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);cursor:pointer;transition:background .12s ease,border-color .12s ease,box-shadow .12s ease}.canvas-reset-button:hover{background:#ffffff29;border-color:#ffffff59;box-shadow:0 0 0 1px #ffffff14,0 4px 14px #00000038}.canvas-reset-button:active{transform:scale(.98)}@media(max-width:1200px){.canvas-wrapper{min-height:240px}.canvas{height:100%;min-height:240px}}@container (max-height: 230px){.canvas-hud:not(.canvas-hud--collapsed){padding:6px 8px}.canvas-hud__live{display:none}.canvas-hud__rows{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 10px;margin-top:6px}.canvas-hud__row{display:flex;align-items:baseline;gap:4px;font-size:.64rem;white-space:nowrap}.canvas-hud__row-label:after{content:":";margin-right:2px}}.curve-lab-page__layout{display:grid;grid-template-columns:minmax(0,1.35fr) 420px;gap:24px;align-items:start;min-height:150vh}.curve-lab-page__canvas{min-width:0;align-self:start;position:sticky;top:120px;z-index:5}.curve-lab-page__canvas .canvas-wrapper{position:relative}.canvas-wrapper,.canvas,.dashboard-sidebar,.curve-lab-page__canvas{transition:none!important}@media(max-width:1200px){.curve-lab-page__layout{grid-template-columns:1fr}}@keyframes badgePulse{0%{box-shadow:0 0 0 1px var(--focus-ring-soft),0 0 10px var(--slider-thumb-shadow),0 4px 12px #00000040}50%{box-shadow:0 0 0 1px var(--focus-ring-soft),0 0 18px var(--slider-thumb-shadow),0 4px 12px #00000040}to{box-shadow:0 0 0 1px var(--focus-ring-soft),0 0 10px var(--slider-thumb-shadow),0 4px 12px #00000040}}.controls-header{display:flex;flex-direction:column;gap:8px;margin-bottom:var(--space-3)}.controls-header__eyebrow{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-soft)}.controls-header__main{display:flex;justify-content:space-between;align-items:center;gap:12px}.controls-header__title{font-size:.95rem;font-weight:600;letter-spacing:.01em;color:var(--text-strong, var(--text-primary))}.controls-header__description{font-size:.78rem;line-height:1.5;color:var(--text-soft);max-width:32ch}.controls-header__badge{display:inline-flex;align-items:center;gap:8px;font-size:.7rem;letter-spacing:.08em;padding:4px 10px;border-radius:var(--radius-pill);color:var(--text-on-accent);border:1px solid var(--button-active-border);background:linear-gradient(180deg,var(--curve-button-active-top),var(--curve-button-active-bottom));animation:badgePulse 2.4s ease-in-out infinite;transition:background var(--transition-medium),border-color var(--transition-medium),color var(--transition-medium);white-space:nowrap}.controls-header__badge-dot{width:7px;height:7px;border-radius:50%;background:var(--slider-thumb-highlight);box-shadow:0 0 10px var(--slider-thumb-shadow);flex-shrink:0}.controls-panel[data-curve-type=cycloid]{--button-active: #203a59;--button-active-border: #6fb1ff;--input-accent: #6fb1ff;--section-border: rgba(111, 177, 255, .2);--focus-ring: rgba(111, 177, 255, .18);--focus-ring-soft: rgba(111, 177, 255, .08);--slider-thumb-border: #9fd0ff;--slider-thumb-highlight: #e6f4ff;--slider-thumb-core: #6fb1ff;--slider-thumb-shadow: rgba(111, 177, 255, .16);box-shadow:var(--panel-shadow),0 0 0 1px #6fb1ff0a,0 0 30px #6fb1ff0f}.controls-panel[data-curve-type=epicycloid]{--button-active: #3a2b57;--button-active-border: #b388ff;--input-accent: #b388ff;--section-border: rgba(179, 136, 255, .22);--focus-ring: rgba(179, 136, 255, .18);--focus-ring-soft: rgba(179, 136, 255, .08);--slider-thumb-border: #d2b8ff;--slider-thumb-highlight: #f3eaff;--slider-thumb-core: #b388ff;--slider-thumb-shadow: rgba(179, 136, 255, .16);box-shadow:var(--panel-shadow),0 0 0 1px #b388ff0d,0 0 30px #b388ff14}.controls-panel[data-curve-type=hypocycloid]{--button-active: #3a3020;--button-active-border: #ffcc66;--input-accent: #ffcc66;--section-border: rgba(255, 204, 102, .22);--focus-ring: rgba(255, 204, 102, .18);--focus-ring-soft: rgba(255, 204, 102, .08);--slider-thumb-border: #ffe2a3;--slider-thumb-highlight: #fff7df;--slider-thumb-core: #ffcc66;--slider-thumb-shadow: rgba(255, 204, 102, .16);box-shadow:var(--panel-shadow),0 0 0 1px #ffcc660d,0 0 30px #ffcc6614}.controls-panel[data-curve-type=lissajous]{--button-active: #153b46;--button-active-border: #4de3c3;--input-accent: #4de3c3;--section-border: rgba(77, 227, 195, .22);--focus-ring: rgba(77, 227, 195, .18);--focus-ring-soft: rgba(77, 227, 195, .08);--slider-thumb-border: #a8fff0;--slider-thumb-highlight: #e7fffa;--slider-thumb-core: #4de3c3;--slider-thumb-shadow: rgba(77, 227, 195, .16);box-shadow:var(--panel-shadow),0 0 0 1px #4de3c30f,0 0 40px #4de3c31f}.control-panel-section{display:flex;flex-direction:column;gap:12px;padding-top:14px}.control-panel-section+.control-panel-section{margin-top:18px;border-top:1px solid rgba(255,255,255,.06)}.control-panel-section__header{display:flex;flex-direction:column;gap:4px}.control-panel-section__title{margin:0;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-soft)}.control-panel-section__description{margin:0;font-size:.78rem;line-height:1.5;color:#ffffff8c}.control-panel-section__content{display:flex;flex-direction:column;gap:12px}.control-panel-section:first-of-type{padding-top:0;border-top:none;margin-top:0}.controls-panel{width:100%;min-width:0;box-sizing:border-box;padding:var(--space-5);border:1px solid var(--panel-border);border-radius:var(--radius-panel);background:linear-gradient(180deg,var(--surface-overlay-faint),transparent),var(--panel-bg);color:var(--text-main);font-family:var(--font-family-ui);align-self:flex-start;transition:box-shadow var(--transition-medium),border-color var(--transition-medium),background var(--transition-medium)}.control-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-3)}.control-subsection{display:flex;flex-direction:column;gap:var(--space-3)}.control-subsection__title{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft)}.control-section{margin-top:var(--space-5);padding:var(--space-3);border:1px solid var(--section-border);border-radius:var(--radius-section);background:linear-gradient(180deg,var(--surface-overlay-soft),transparent),var(--section-bg)}.control-section:first-child{margin-top:0}.control-section__title{margin:0 0 var(--space-3) 0;font-size:var(--title-size);font-weight:700;letter-spacing:.02em;color:var(--text-main)}.control-section__content{display:flex;flex-direction:column;gap:var(--space-2)}.controls-stack{display:flex;flex-direction:column;gap:var(--space-3)}.curve-type-switcher{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.curve-type-switcher__button{display:flex;flex-direction:column;align-items:flex-start;gap:4px;min-height:64px;padding:12px 14px;border-radius:16px;border:1px solid var(--button-border, rgba(255, 255, 255, .08));background:var(--button-bg, rgba(255, 255, 255, .03));color:var(--text-primary);text-align:left;cursor:pointer;transition:transform var(--transition-fast),border-color var(--transition-medium),background var(--transition-medium),box-shadow var(--transition-medium)}.curve-type-switcher__button:hover{transform:translateY(-1px);border-color:var(--button-hover-border, rgba(120, 220, 255, .22));background:var(--button-hover-bg, rgba(255, 255, 255, .06))}.curve-type-switcher__button--active{border-color:var(--button-active-border);background:linear-gradient(180deg,var(--curve-button-active-top),var(--curve-button-active-bottom));box-shadow:0 0 0 1px #ffffff0a,0 10px 24px #0000002e}.curve-type-switcher__label{font-size:.9rem;font-weight:600;color:var(--text-on-accent, var(--text-primary))}.curve-type-switcher__meta{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-soft)}.curve-type-switcher__button--active .curve-type-switcher__meta{color:var(--text-on-accent, var(--text-primary));opacity:.82}.curve-type-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;width:100%;padding:6px;box-sizing:border-box;border:1px solid var(--section-border);border-radius:var(--radius-section);background:linear-gradient(180deg,var(--surface-overlay-mid),var(--surface-overlay-min)),var(--curve-button-group-bg);box-shadow:var(--shadow-inset-soft)}.curve-type-buttons__button{width:100%;padding:10px 12px;border:1px solid transparent;border-radius:var(--radius-control);background:transparent;color:var(--text-muted);cursor:pointer;font-size:.9rem;line-height:1.1;text-align:center;transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.curve-type-buttons__button:hover{color:var(--text-main);background:#ffffff09}.curve-type-buttons__button:active{transform:translateY(1px)}.curve-type-buttons__button:focus-visible{outline:none;border-color:var(--button-active-border);box-shadow:0 0 0 3px var(--focus-ring)}.curve-type-buttons__button--active{color:var(--text-on-accent);background:linear-gradient(180deg,var(--curve-button-active-top),var(--curve-button-active-bottom));border-color:var(--button-active-border);font-weight:700;box-shadow:var(--shadow-inset-strong),0 0 0 1px var(--focus-ring-soft),var(--shadow-float)}.slider-control{display:flex;flex-direction:column;gap:10px}.slider-control__header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.slider-control__label-group{min-width:0}.slider-control__label{display:block;margin:0;font-size:.86rem;font-weight:600;color:var(--text-primary)}.slider-control__description{margin:4px 0 0;font-size:.75rem;line-height:1.45;color:var(--text-soft)}.slider-control__value{flex-shrink:0;min-width:64px;padding:6px 10px;border-radius:var(--radius-pill);border:1px solid var(--button-active-border);background:#ffffff0a;font-size:.76rem;font-weight:600;text-align:center;color:var(--text-on-accent)}.slider-control__range{display:flex;justify-content:space-between;font-size:.68rem;letter-spacing:.05em;color:var(--text-soft);opacity:.75}.slider-control__input{-webkit-appearance:none;appearance:none;width:100%;height:18px;margin:0;background:transparent;border:none;outline:none;cursor:pointer}.slider-control__input:focus{outline:none}.slider-control__input::-webkit-slider-runnable-track{height:8px;border-radius:var(--radius-pill);border:1px solid var(--surface-border-medium);background:linear-gradient(90deg,var(--slider-fill-top, #4de2ff) 0%,var(--slider-fill-bottom, #00bcd4) var(--slider-progress, 0%),var(--slider-track-top, rgba(255,255,255,.14)) var(--slider-progress, 0%),var(--slider-track-bottom, rgba(255,255,255,.05)) 100%);box-shadow:inset 0 0 10px #ffffff08}.slider-control__input::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;margin-top:-6px;border-radius:50%;border:2px solid var(--slider-thumb-border);background:radial-gradient(circle at 30% 30%,var(--slider-thumb-highlight),var(--slider-thumb-core) 62%,var(--slider-track-bottom) 100%);box-shadow:0 0 0 4px var(--slider-thumb-shadow),var(--shadow-control);transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast)}.slider-control__input:active::-webkit-slider-thumb{transform:scale(.95)}.slider-control__input:hover::-webkit-slider-thumb{transform:scale(1.05)}.slider-control__input:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px var(--focus-ring),0 0 0 8px var(--focus-ring-soft),var(--shadow-control)}.slider-control__input::-moz-range-progress{height:8px;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--slider-fill-top, #4de2ff),var(--slider-fill-bottom, 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