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0, 0, .1);--color-surface: #171717;--color-surface-muted: #222222;--color-surface-elevated: rgba(23, 23, 23, .94);--color-border: rgba(255, 255, 255, .12);--color-border-strong: rgba(255, 0, 0, .34);--color-text: #f5f5f5;--color-text-soft: rgba(245, 245, 245, .72);--color-text-placeholder: rgba(245, 245, 245, .38);--color-text-inverse: #ffffff;--color-accent: #ff3b30;--color-accent-deep: #d10000;--color-danger: #ff8c84;--shadow-soft: 0 24px 56px rgba(0, 0, 0, .34);--shadow-accent: 0 16px 34px rgba(255, 0, 0, .22);--shadow-button: 0 18px 34px rgba(255, 0, 0, .24);--ui-card-bg: var(--color-surface);--ui-card-border: var(--color-border);--ui-card-shadow: var(--shadow-soft);--ui-pill-bg: var(--color-surface-elevated);--ui-pill-border: var(--color-border);--ui-pill-hover-bg: var(--color-surface-muted);--ui-field-shell-bg: var(--color-surface-muted);--ui-field-shell-border: color-mix(in srgb, var(--color-accent) 18%, transparent);--ui-field-bg: var(--color-surface);--ui-field-focus-border: var(--color-border-strong);--ui-cta-bg: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-deep) 100%);--ui-cta-text: var(--color-text-inverse);--ui-cta-shadow: var(--shadow-button);color-scheme:dark;background:radial-gradient(circle at top left,var(--color-bg-accent),transparent 28%),linear-gradient(180deg,var(--color-bg) 0%,#161616 100%)}}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:transparent;color:var(--color-text)}h1,h2,h3,p,ul{margin:0}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input{font:inherit}.site-shell{min-height:100vh}.site_frame,.page{width:min(1040px,calc(100% - 32px));margin:0 auto}.page{padding:24px 0 56px}.site_header{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:color-mix(in srgb,var(--color-bg) 72%,transparent);border-bottom:1px solid var(--color-border)}.site_header__inner,.header{display:flex;align-items:center;justify-content:space-between;gap:16px}.site_header__inner{padding:18px 0}.site_footer{margin-top:56px;border-top:1px solid var(--color-border);background:color-mix(in srgb,var(--color-surface) 84%,transparent)}.site_footer__inner{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:28px 0 40px}.site_footer__brand{display:flex;flex-direction:column;gap:14px;max-width:30rem}.site_footer__brand p{color:var(--color-text-soft);line-height:1.6}.site_footer__copyright{color:color-mix(in srgb,var(--color-text-soft) 88%,transparent)}.site_footer__grid{display:grid;grid-template-columns:repeat(3,minmax(140px,1fr));gap:28px;min-width:min(100%,460px)}.site_footer__column{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.site_footer__column 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auto;gap:10px;width:min(100%,760px);padding:10px;margin:12px 0 8px;border:1px solid var(--ui-field-shell-border);border-radius:24px;background:var(--ui-field-shell-bg)}.hero__form input[type=url],.hero__form input[type=text]{min-width:0;height:3.8rem;padding:0 16px;border:1px solid transparent;border-radius:18px;background:var(--ui-field-bg);color:var(--color-text);outline:none}.hero__form input[type=url]:focus,.hero__form input[type=text]:focus{border-color:var(--ui-field-focus-border)}.hero__form input[type=url]::placeholder,.hero__form input[type=text]::placeholder{color:var(--color-text-placeholder)}.hero__form button{min-height:3.8rem;padding:0 24px;border:0;border-radius:18px;background:var(--ui-cta-bg);color:var(--ui-cta-text);font-weight:800;cursor:pointer;box-shadow:var(--ui-cta-shadow);transition:transform .16s ease,opacity .16s ease}.hero__form button:hover{transform:translateY(-1px)}.hero__form button:disabled{opacity:.46;cursor:not-allowed;transform:none}.hero__extension_note{font-size:.94rem;color:var(--color-text-soft)}.hero__extension_note a{color:var(--color-accent);font-weight:600}.hero__extension_note a:hover{text-decoration:underline}.error{font-size:.92rem;color:var(--color-danger)}.tool_page,.calculator_page{width:min(1040px,calc(100% - 32px));margin:0 auto;padding:24px 0 56px}.tool_page__header,.calculator_page__header{display:flex;flex-direction:column;gap:12px;padding-bottom:28px}.tool_page__header h1{font-family:var(--font-display);font-weight:700;letter-spacing:-.04em}.tool_page__header h1{font-size:clamp(2.6rem,6vw,4.4rem);line-height:.94}.tool_card,.playlist_panel,.selection_panel{border:1px solid var(--ui-card-border);border-radius:28px;background:var(--ui-card-bg);box-shadow:var(--ui-card-shadow)}.tool_card{padding:24px}.tool_card--hero{display:flex;flex-direction:column;gap:18px}.tool_error{display:flex;flex-direction:column;gap:16px;align-items:flex-start;text-align:left}.tool_error h1{font-family:var(--font-display);font-size:clamp(2.4rem,6vw,4rem);line-height:.95;letter-spacing:-.04em}.tool_error__actions{display:flex;flex-wrap:wrap;gap:12px}.tool_form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px}.tool_form input{min-width:0;height:3.6rem;padding:0 16px;border:1px solid var(--ui-card-border);border-radius:18px;background:var(--ui-field-bg);color:var(--color-text);outline:none}.tool_form input:focus{border-color:var(--ui-field-focus-border)}.tool_form button{min-height:3.6rem;padding:0 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24px,1040px);padding-bottom:32px}.site_header__inner,.site_footer__inner,.header,.header__nav{flex-direction:column;align-items:flex-start}.site_footer__grid{grid-template-columns:1fr;width:100%}.hero{gap:20px;padding:48px 20px 40px}.hero:before{top:-94px;right:-80px;width:210px;height:210px}.tool_sidebar{position:static}.hero__form,.tool_form{grid-template-columns:1fr}}