.help-shell[data-astro-cid-ivee6p5s]{--ember: oklch(.72 .16 47);--ember-deep: oklch(.48 .1 42);--tide: oklch(.67 .1 218);--tide-deep: oklch(.41 .07 225);--sun: oklch(.83 .13 88);--sun-deep: oklch(.58 .1 82);--bg-1: #ece9e4;--bg-2: #e3e7ea;--surface: rgb(251 248 243 / 88%);--surface-soft: rgb(243 239 232 / 76%);--text-1: #141a23;--text-2: #5a6371;--line: rgb(83 96 112 / 20%);--accent: var(--ember);--accent-2: var(--ember-deep);--cool: var(--tide);--ring: 0 0 0 2px color-mix(in oklab, var(--accent) 38%, transparent);--tool-radius-sm: .66rem;--tool-radius-md: .86rem;--tool-radius-lg: 1rem;--tool-panel-bg: linear-gradient( 180deg, color-mix(in oklab, var(--surface) 96%, white 4%), color-mix(in oklab, var(--surface-soft) 96%, transparent) );--tool-panel-fill: color-mix(in oklab, var(--surface) 86%, transparent);--tool-panel-fill-soft: color-mix(in oklab, var(--surface-soft) 94%, transparent);--tool-panel-fill-strong: color-mix(in oklab, var(--surface) 92%, black 8%);--tool-panel-head: color-mix(in oklab, var(--surface-soft) 94%, transparent);--tool-panel-border: color-mix(in oklab, var(--line) 100%, transparent);--tool-panel-border-strong: color-mix(in oklab, var(--accent) 24%, var(--line));--tool-panel-text: var(--text-1);--tool-panel-muted: var(--text-2);--tool-chip-bg: color-mix(in oklab, var(--accent) 10%, var(--surface));--tool-chip-bg-strong: color-mix(in oklab, var(--accent) 15%, var(--surface-soft));--tool-chip-border: color-mix(in oklab, var(--accent) 30%, var(--line));--tool-chip-text: color-mix(in oklab, var(--accent-2) 84%, var(--text-1));--tool-cool-bg: color-mix(in oklab, var(--cool) 11%, var(--surface));--tool-cool-bg-strong: color-mix(in oklab, var(--cool) 15%, var(--surface-soft));--tool-cool-border: color-mix(in oklab, var(--cool) 28%, var(--line));--tool-cool-text: color-mix(in oklab, var(--cool) 74%, var(--text-1));--tool-error: #9f1f1f;--tool-error-bg: color-mix(in oklab, var(--tool-error) 11%, var(--surface));--tool-error-border: color-mix(in oklab, var(--tool-error) 34%, var(--line));--tool-success: #2f8557;--tool-success-bg: color-mix(in oklab, var(--tool-success) 12%, var(--surface));--tool-success-border: color-mix(in oklab, var(--tool-success) 28%, var(--line));--tool-success-text: color-mix(in oklab, var(--tool-success) 76%, var(--text-1));--tool-media-bg: color-mix(in oklab, var(--surface-soft) 74%, black 26%);--tool-shadow-soft: 0 18px 38px rgb(14 19 27 / 14%);--glass-fill: color-mix(in oklab, var(--surface) 10%, transparent);--glass-fill-strong: color-mix(in oklab, white 6%, var(--glass-fill));--glass-fill-soft: color-mix(in oklab, var(--surface-soft) 5%, transparent);--glass-glow: rgb(255 255 255 / 54%);--glass-line: rgb(255 255 255 / 18%);--glass-rim: rgb(255 255 255 / 30%);--glass-inner-line: rgb(148 166 194 / 10%);--glass-shadow: 0 0 18px rgb(255 255 255 / 8%), 0 14px 28px rgb(31 40 54 / 7%), 0 1px 0 rgb(255 255 255 / 30%) inset, 0 -1px 0 rgb(33 40 51 / 7%) inset;--glass-core-blur: 2px;--glass-edge-blur: 8px;--glass-pill-core-blur: .9px;--glass-pill-edge-blur: 3.75px;--glass-sat: 148%;--glass-brightness: 1.05;--grid-tile-width: 90px;--grid-tile-height: 52px;--grid-opacity: .74;--grid-pattern-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='52' viewBox='0 0 90 52' fill='none' shape-rendering='geometricPrecision'%3E%3Cg stroke='%23576176' stroke-opacity='.2' stroke-width='1' stroke-linejoin='round'%3E%3Cpath d='M0.5 26L15.5 0.5H45.5L60.5 26L45.5 51.5H15.5Z'/%3E%3Cpath d='M45.5 51.5L60.5 26H90.5L105.5 51.5L90.5 77.5H60.5Z'/%3E%3Cpath d='M45.5 0.5L60.5 -25.5H90.5L105.5 0.5L90.5 26H60.5Z'/%3E%3Cpath d='M-44.5 51.5L-29.5 26H0.5L15.5 51.5L0.5 77.5H-29.5Z'/%3E%3Cpath d='M-44.5 0.5L-29.5 -25.5H0.5L15.5 0.5L0.5 26H-29.5Z'/%3E%3C/g%3E%3C/svg%3E");--section-accent: var(--sun);--section-deep: var(--sun-deep);--section-soft: color-mix(in oklab, var(--section-accent) 12%, var(--surface));--section-strong: color-mix(in oklab, var(--section-accent) 18%, var(--surface-soft));--section-line: color-mix(in oklab, var(--section-accent) 32%, var(--line));min-height:100dvh;width:100%;max-width:100%;padding-top:1.25rem;padding-right:max(1rem,env(safe-area-inset-right));padding-bottom:max(2rem,env(safe-area-inset-bottom));padding-left:max(1rem,env(safe-area-inset-left));background:radial-gradient(1200px 560px at 90% -8%,rgb(209 107 42 / 10%),transparent 70%),radial-gradient(900px 460px at -8% 10%,rgb(40 93 115 / 10%),transparent 68%),linear-gradient(180deg,var(--bg-1),var(--bg-2));color:var(--text-1);position:relative;overflow-x:hidden}.help-shell[data-astro-cid-ivee6p5s]:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:var(--grid-pattern-image);background-repeat:repeat;background-size:var(--grid-tile-width) var(--grid-tile-height);background-position:0 0;mask-image:radial-gradient(120% 74% at 50% 10%,black 0%,black 34%,rgb(0 0 0 / 72%) 64%,transparent 100%);-webkit-mask-image:radial-gradient(120% 74% at 50% 10%,black 0%,black 34%,rgb(0 0 0 / 72%) 64%,transparent 100%);opacity:var(--grid-opacity)}html[data-ks-theme=dark] .help-shell[data-astro-cid-ivee6p5s]{--bg-1: #121a22;--bg-2: #10161d;--surface: rgb(23 33 45 / 88%);--surface-soft: rgb(30 42 56 / 80%);--text-1: #edf3fb;--text-2: #9bacc0;--line: rgb(138 161 188 / 22%);--ember: oklch(.78 .14 58);--ember-deep: oklch(.88 .07 78);--tide: oklch(.79 .09 217);--tide-deep: oklch(.89 .05 215);--sun: oklch(.86 .11 92);--sun-deep: oklch(.92 .04 95);--accent: var(--ember);--accent-2: var(--ember-deep);--cool: var(--tide);--ring: 0 0 0 2px color-mix(in oklab, var(--accent) 42%, transparent);--tool-error: #ffb4b4;--tool-success: #7fd6a7;--tool-media-bg: color-mix(in oklab, var(--surface-soft) 68%, black 32%);--tool-shadow-soft: 0 20px 42px rgb(0 0 0 / 28%);--glass-fill: color-mix(in oklab, var(--surface) 12%, transparent);--glass-fill-strong: color-mix(in oklab, white 4%, var(--glass-fill));--glass-fill-soft: color-mix(in oklab, var(--surface-soft) 4%, transparent);--glass-glow: rgb(255 255 255 / 26%);--glass-line: rgb(255 255 255 / 10%);--glass-rim: rgb(255 255 255 / 14%);--glass-inner-line: rgb(138 164 196 / 8%);--glass-shadow: 0 0 16px rgb(255 255 255 / 3%), 0 16px 30px rgb(0 0 0 / 18%), 0 1px 0 rgb(255 255 255 / 10%) inset, 0 -1px 0 rgb(0 0 0 / 26%) inset;--glass-core-blur: 1.75px;--glass-edge-blur: 7px;--glass-pill-core-blur: .8px;--glass-pill-edge-blur: 3.5px;--glass-sat: 152%;--glass-brightness: 1.04;--grid-opacity: .82;--grid-pattern-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='52' viewBox='0 0 90 52' fill='none' shape-rendering='geometricPrecision'%3E%3Cg stroke='%2391abd6' stroke-opacity='.24' stroke-width='1' stroke-linejoin='round'%3E%3Cpath d='M0.5 26L15.5 0.5H45.5L60.5 26L45.5 51.5H15.5Z'/%3E%3Cpath d='M45.5 51.5L60.5 26H90.5L105.5 51.5L90.5 77.5H60.5Z'/%3E%3Cpath d='M45.5 0.5L60.5 -25.5H90.5L105.5 0.5L90.5 26H60.5Z'/%3E%3Cpath d='M-44.5 51.5L-29.5 26H0.5L15.5 51.5L0.5 77.5H-29.5Z'/%3E%3Cpath d='M-44.5 0.5L-29.5 -25.5H0.5L15.5 0.5L0.5 26H-29.5Z'/%3E%3C/g%3E%3C/svg%3E")}.help-shell[data-astro-cid-ivee6p5s][data-section=giftcodes]{--section-accent: var(--ember);--section-deep: var(--ember-deep)}.help-shell[data-astro-cid-ivee6p5s][data-section=calculators]{--section-accent: var(--tide);--section-deep: var(--tide-deep)}.masthead[data-astro-cid-ivee6p5s]{width:min(1120px,100%);min-width:0;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem .9rem;position:relative;z-index:2;border:1px solid color-mix(in oklab,var(--glass-line) 90%,transparent);border-radius:1.5rem;background:linear-gradient(180deg,color-mix(in oklab,white 8%,var(--glass-fill-strong)),color-mix(in oklab,var(--glass-fill) 28%,transparent) 26%,color-mix(in oklab,var(--glass-fill-soft) 8%,transparent) 56%,color-mix(in oklab,var(--glass-fill-soft) 52%,transparent)),radial-gradient(140% 120% at 50% 50%,transparent 0%,transparent 54%,color-mix(in oklab,var(--section-accent) 2%,transparent) 100%),var(--glass-fill);box-shadow:var(--glass-shadow);backdrop-filter:blur(var(--glass-core-blur)) saturate(var(--glass-sat)) brightness(var(--glass-brightness));-webkit-backdrop-filter:blur(var(--glass-core-blur)) saturate(var(--glass-sat)) brightness(var(--glass-brightness));isolation:isolate;overflow:hidden}.masthead[data-astro-cid-ivee6p5s]:before,.section-nav[data-astro-cid-ivee6p5s]:before,.intro-surface[data-astro-cid-ivee6p5s]:before,.intro-sidecar[data-astro-cid-ivee6p5s]:before,.section-row[data-astro-cid-ivee6p5s]:before,.tool-stage[data-astro-cid-ivee6p5s]:before,.plain-copy[data-astro-cid-ivee6p5s]:before{content:"";position:absolute;inset:1px;border-radius:inherit;background:linear-gradient(180deg,color-mix(in oklab,white 10%,transparent),transparent 26%,color-mix(in oklab,black 4%,transparent) 100%),radial-gradient(44% 50% at 14% -10%,var(--glass-glow) 0%,color-mix(in oklab,var(--glass-glow) 42%,transparent) 18%,transparent 44%),linear-gradient(120deg,transparent 15%,color-mix(in oklab,white 18%,transparent) 22%,transparent 28%,transparent 60%,color-mix(in oklab,white 5%,transparent) 69%,transparent 77%);backdrop-filter:blur(var(--glass-edge-blur)) saturate(calc(var(--glass-sat) + 6%)) brightness(calc(var(--glass-brightness) + .02));-webkit-backdrop-filter:blur(var(--glass-edge-blur)) saturate(calc(var(--glass-sat) + 6%)) brightness(calc(var(--glass-brightness) + .02));pointer-events:none;opacity:.96;mask-image:radial-gradient(144% 120% at 50% 50%,transparent 0%,transparent 50%,rgb(0 0 0 / .12) 66%,black 86%,black 100%);-webkit-mask-image:radial-gradient(144% 120% at 50% 50%,transparent 0%,transparent 50%,rgb(0 0 0 / .12) 66%,black 86%,black 100%);z-index:0}.masthead[data-astro-cid-ivee6p5s]:after,.section-nav[data-astro-cid-ivee6p5s]:after,.intro-surface[data-astro-cid-ivee6p5s]:after,.intro-sidecar[data-astro-cid-ivee6p5s]:after,.section-row[data-astro-cid-ivee6p5s]:after,.tool-stage[data-astro-cid-ivee6p5s]:after,.plain-copy[data-astro-cid-ivee6p5s]:after{content:"";position:absolute;inset:0;border-radius:inherit;border:1px solid color-mix(in oklab,var(--glass-rim) 32%,transparent);box-shadow:0 1px color-mix(in oklab,white 8%,transparent) inset,0 0 0 2px color-mix(in oklab,var(--glass-inner-line) 16%,transparent) inset,0 -1px color-mix(in oklab,black 5%,transparent) inset;pointer-events:none;z-index:0}.masthead[data-astro-cid-ivee6p5s]>[data-astro-cid-ivee6p5s],.section-nav[data-astro-cid-ivee6p5s]>[data-astro-cid-ivee6p5s],.intro-surface[data-astro-cid-ivee6p5s]>[data-astro-cid-ivee6p5s],.intro-sidecar[data-astro-cid-ivee6p5s]>[data-astro-cid-ivee6p5s],.section-row[data-astro-cid-ivee6p5s]>[data-astro-cid-ivee6p5s],.tool-stage[data-astro-cid-ivee6p5s]>[data-astro-cid-ivee6p5s],.plain-copy[data-astro-cid-ivee6p5s]>[data-astro-cid-ivee6p5s]{position:relative;z-index:1}.brand-wrap[data-astro-cid-ivee6p5s]{display:inline-flex;align-items:center;gap:.72rem}.brand-mark[data-astro-cid-ivee6p5s]{width:2.15rem;height:2.15rem;border-radius:.5rem;display:block;object-fit:cover;border:1px solid color-mix(in oklab,var(--line) 66%,transparent)}.brand-kicker[data-astro-cid-ivee6p5s]{margin:0;text-transform:uppercase;letter-spacing:.13em;font-size:.65rem;color:var(--text-2);font-weight:800}.brand-title[data-astro-cid-ivee6p5s]{margin:.1rem 0 0;font-size:1.5rem;line-height:1;letter-spacing:-.03em;font-family:Archivo,Avenir Next,Segoe UI,sans-serif}.theme-toggle[data-astro-cid-ivee6p5s]{border:1px solid color-mix(in oklab,var(--glass-line) 82%,var(--line));background:linear-gradient(180deg,color-mix(in oklab,white 10%,var(--glass-fill-strong)),color-mix(in oklab,var(--glass-fill-soft) 84%,transparent)),var(--glass-fill);color:var(--text-1);border-radius:999px;padding:.5rem .9rem;min-height:44px;display:inline-flex;align-items:center;gap:.35rem;font:inherit;font-size:.76rem;font-weight:700;cursor:pointer;box-shadow:0 1px color-mix(in oklab,white 10%,transparent) inset,0 -1px color-mix(in oklab,black 6%,transparent) inset;backdrop-filter:blur(var(--glass-pill-core-blur)) saturate(calc(var(--glass-sat) - 8%)) brightness(var(--glass-brightness));-webkit-backdrop-filter:blur(var(--glass-pill-core-blur)) saturate(calc(var(--glass-sat) - 8%)) brightness(var(--glass-brightness));position:relative;isolation:isolate;overflow:hidden;transition:transform .18s ease,border-color .2s ease,background .2s ease,color .2s ease}.theme-toggle[data-astro-cid-ivee6p5s]:hover{border-color:var(--section-line);background:color-mix(in oklab,var(--section-accent) 10%,var(--surface));transform:translateY(-1px)}.theme-icon-wrap[data-astro-cid-ivee6p5s]{position:relative;width:16px;height:16px;display:inline-block}.theme-icon[data-astro-cid-ivee6p5s]{position:absolute;inset:0}html:not([data-ks-theme=dark]) .theme-icon-wrap[data-astro-cid-ivee6p5s] .moon[data-astro-cid-ivee6p5s]{opacity:0}html[data-ks-theme=dark] .theme-icon-wrap[data-astro-cid-ivee6p5s] .sun[data-astro-cid-ivee6p5s]{opacity:0}.section-nav[data-astro-cid-ivee6p5s]{width:min(1120px,100%);min-width:0;margin:1rem auto 0;display:flex;flex-wrap:wrap;gap:.5rem;position:relative;z-index:1;padding:.55rem;border:1px solid color-mix(in oklab,var(--glass-line) 86%,transparent);border-radius:1.35rem;background:linear-gradient(180deg,color-mix(in oklab,white 7%,var(--glass-fill-strong)),color-mix(in oklab,var(--glass-fill) 24%,transparent) 30%,color-mix(in oklab,var(--glass-fill-soft) 8%,transparent) 58%,color-mix(in oklab,var(--glass-fill-soft) 48%,transparent)),radial-gradient(140% 120% at 50% 50%,transparent 0%,transparent 56%,color-mix(in oklab,var(--section-accent) 2%,transparent) 100%),var(--glass-fill);box-shadow:var(--glass-shadow);backdrop-filter:blur(var(--glass-core-blur)) saturate(var(--glass-sat)) brightness(var(--glass-brightness));-webkit-backdrop-filter:blur(var(--glass-core-blur)) saturate(var(--glass-sat)) brightness(var(--glass-brightness));isolation:isolate;overflow:hidden}.section-link[data-astro-cid-ivee6p5s]{--nav-accent: var(--section-accent);--nav-deep: var(--section-deep);border:1px solid rgb(255 255 255 / 0%);background:#fff0;color:var(--text-2);border-radius:999px;padding:.48rem .85rem;min-height:44px;display:inline-flex;align-items:center;text-decoration:none;font-size:.82rem;font-weight:700;position:relative;isolation:isolate;overflow:hidden;transition:transform .18s ease,border-color .2s ease,color .2s ease,background .2s ease}.section-link[data-astro-cid-ivee6p5s]:hover{color:var(--text-1);transform:translateY(-1px);border-color:color-mix(in oklab,var(--glass-line) 70%,transparent);background:color-mix(in oklab,white 4%,var(--glass-fill))}.section-link[data-astro-cid-ivee6p5s][data-section=home]{--nav-accent: var(--sun);--nav-deep: var(--sun-deep)}.section-link[data-astro-cid-ivee6p5s][data-section=giftcodes]{--nav-accent: var(--ember);--nav-deep: var(--ember-deep)}.section-link[data-astro-cid-ivee6p5s][data-section=calculators]{--nav-accent: var(--tide);--nav-deep: var(--tide-deep)}.section-link[data-astro-cid-ivee6p5s].active{color:color-mix(in oklab,var(--nav-deep) 82%,var(--text-1));border-color:color-mix(in oklab,var(--nav-accent) 22%,var(--glass-line));background:linear-gradient(180deg,color-mix(in oklab,white 9%,transparent),transparent 54%),linear-gradient(135deg,color-mix(in oklab,var(--nav-accent) 10%,var(--glass-fill)),color-mix(in oklab,var(--nav-accent) 4%,var(--glass-fill-soft)));box-shadow:0 1px color-mix(in oklab,white 8%,transparent) inset,0 -1px color-mix(in oklab,black 5%,transparent) inset,0 0 0 1px color-mix(in oklab,var(--glass-inner-line) 10%,transparent) inset}.shell-main[data-astro-cid-ivee6p5s]{width:min(1120px,100%);min-width:0;margin:1.35rem auto 0;display:grid;gap:1.5rem;position:relative;z-index:1}.shell-main[data-astro-cid-ivee6p5s]:focus{outline:none}.intro-block[data-astro-cid-ivee6p5s]{display:grid;gap:.7rem;min-width:0}.intro-grid[data-astro-cid-ivee6p5s]{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(17rem,.8fr);gap:1rem;align-items:start}.intro-surface[data-astro-cid-ivee6p5s],.intro-sidecar[data-astro-cid-ivee6p5s]{display:grid;gap:.75rem;min-width:0;position:relative;padding:1.15rem 1.25rem 1.2rem;border:1px solid color-mix(in oklab,var(--glass-line) 88%,transparent);border-radius:1.75rem;background:linear-gradient(180deg,color-mix(in oklab,white 8%,var(--glass-fill-strong)),color-mix(in oklab,var(--glass-fill) 24%,transparent) 56px,color-mix(in oklab,var(--glass-fill-soft) 7%,transparent) 122px,color-mix(in oklab,var(--glass-fill-soft) 28%,transparent)),radial-gradient(980px 120px at 56% -60px,color-mix(in oklab,white 4%,transparent) 0%,transparent 78%),radial-gradient(160% 120% at 50% 50%,transparent 0%,transparent 68%,color-mix(in oklab,var(--section-accent) 1.1%,transparent) 100%),color-mix(in oklab,var(--glass-fill) 36%,transparent);box-shadow:var(--glass-shadow);backdrop-filter:blur(var(--glass-core-blur)) saturate(var(--glass-sat)) brightness(var(--glass-brightness));-webkit-backdrop-filter:blur(var(--glass-core-blur)) saturate(var(--glass-sat)) brightness(var(--glass-brightness));isolation:isolate;overflow:hidden}.intro-sidecar[data-astro-cid-ivee6p5s]{gap:.85rem;align-self:stretch;align-content:start}.pathline[data-astro-cid-ivee6p5s]{margin:0;color:var(--text-2);font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.intro-kicker[data-astro-cid-ivee6p5s]{margin:0 0 .05rem;letter-spacing:.11em;text-transform:uppercase;font-size:.72rem;font-weight:800;color:var(--section-accent)}.intro-block[data-astro-cid-ivee6p5s] h1[data-astro-cid-ivee6p5s]{margin:0;max-width:11ch;font-size:clamp(1.9rem,4vw,3.2rem);letter-spacing:-.03em;line-height:.98;color:var(--text-1);font-family:Archivo,Avenir Next,Segoe UI,sans-serif}.intro-summary[data-astro-cid-ivee6p5s]{margin:0;max-width:34rem;line-height:1.5;color:var(--text-2);font-size:.98rem}.signal-strip[data-astro-cid-ivee6p5s]{display:grid;gap:.55rem;width:100%;max-width:none;padding:.75rem .8rem;border:1px solid color-mix(in oklab,var(--section-line) 90%,transparent);border-radius:1.25rem;background:linear-gradient(180deg,color-mix(in oklab,white 7%,var(--glass-fill-strong)),color-mix(in oklab,var(--glass-fill-soft) 10%,transparent) 54%,color-mix(in oklab,var(--glass-fill-soft) 56%,transparent)),radial-gradient(140% 120% at 50% 50%,transparent 0%,transparent 56%,color-mix(in oklab,var(--section-accent) 3%,transparent) 100%);box-shadow:0 1px color-mix(in oklab,white 8%,transparent) inset,0 -1px color-mix(in oklab,black 6%,transparent) inset;position:relative;isolation:isolate;overflow:hidden;backdrop-filter:blur(var(--glass-pill-core-blur)) saturate(calc(var(--glass-sat) - 8%)) 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