/*!
 * Grade Calculator Online — front-end styles.
 * Scoped to .gco-* classes so it never restyles the rest of the theme.
 */.gco-scope,.gco-app{--gco-font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--gco-accent: #0f766e;--gco-accent-ink: #ffffff;--gco-accent-strong: #115e56;--gco-accent-soft: rgba(15, 118, 110, .1);--gco-accent-line: rgba(15, 118, 110, .35);--gco-surface: #ffffff;--gco-surface-2: #f6f8fc;--gco-surface-3: #eef1f8;--gco-border: #dde2ec;--gco-border-strong: #b9c1d0;--gco-text: #0f172a;--gco-muted: #536076;--gco-shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px -12px rgba(15, 23, 42, .18);--gco-shadow-lg: 0 24px 60px -20px rgba(15, 23, 42, .35);--gco-t1: #0d7a4b;--gco-t1-fill: #16a34a;--gco-t1-soft: rgba(22, 163, 74, .12);--gco-t2: #0b67a0;--gco-t2-fill: #0ea5e9;--gco-t2-soft: rgba(14, 165, 233, .12);--gco-t3: #8a5800;--gco-t3-fill: #f59e0b;--gco-t3-soft: rgba(245, 158, 11, .15);--gco-t4: #b0410a;--gco-t4-fill: #f97316;--gco-t4-soft: rgba(249, 115, 22, .13);--gco-t5: #b42318;--gco-t5-fill: #ef4444;--gco-t5-soft: rgba(239, 68, 68, .12);--gco-danger: #b42318;--gco-danger-soft: rgba(239, 68, 68, .09);--gco-radius: 14px;--gco-radius-sm: 10px;--gco-radius-xs: 7px;--gco-gap: clamp(1rem, 2.5vw, 1.5rem);--gco-focus: 0 0 0 3px var(--gco-surface), 0 0 0 5px var(--gco-accent)}@media(prefers-color-scheme:dark){html:not([data-gco-theme=light]) .gco-scope{--gco-accent: #5eead4;--gco-accent-ink: #042f2a;--gco-accent-strong: #99f6e4;--gco-accent-soft: rgba(94, 234, 212, .14);--gco-accent-line: rgba(94, 234, 212, .4);--gco-surface: #111827;--gco-surface-2: #0c1220;--gco-surface-3: #1a2334;--gco-border: #263247;--gco-border-strong: #3a4862;--gco-text: #e8ecf4;--gco-muted: #a0abbf;--gco-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -12px rgba(0, 0, 0, .6);--gco-t1: #4ade80;--gco-t1-soft: rgba(74, 222, 128, .14);--gco-t2: #5ec2ff;--gco-t2-soft: rgba(94, 194, 255, .14);--gco-t3: #fbbf24;--gco-t3-soft: rgba(251, 191, 36, .14);--gco-t4: #fb923c;--gco-t4-soft: rgba(251, 146, 60, .14);--gco-t5: #f87171;--gco-t5-soft: rgba(248, 113, 113, .14);--gco-danger: #f87171;--gco-danger-soft: rgba(248, 113, 113, .12);color-scheme:dark}}html[data-gco-theme=dark] .gco-scope{--gco-accent: #5eead4;--gco-accent-ink: #042f2a;--gco-accent-strong: #99f6e4;--gco-accent-soft: rgba(94, 234, 212, .14);--gco-accent-line: rgba(94, 234, 212, .4);--gco-surface: #111827;--gco-surface-2: #0c1220;--gco-surface-3: #1a2334;--gco-border: #263247;--gco-border-strong: #3a4862;--gco-text: #e8ecf4;--gco-muted: #a0abbf;--gco-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px -12px rgba(0, 0, 0, .6);--gco-t1: #4ade80;--gco-t1-soft: rgba(74, 222, 128, .14);--gco-t2: #5ec2ff;--gco-t2-soft: rgba(94, 194, 255, .14);--gco-t3: #fbbf24;--gco-t3-soft: rgba(251, 191, 36, .14);--gco-t4: #fb923c;--gco-t4-soft: rgba(251, 146, 60, .14);--gco-t5: #f87171;--gco-t5-soft: rgba(248, 113, 113, .14);--gco-danger: #f87171;--gco-danger-soft: rgba(248, 113, 113, .12);color-scheme:dark}.gco-app{margin:0 0 2rem;font-family:var(--gco-font);line-height:1.5}.gco-scope{font-family:var(--gco-font);color:var(--gco-text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-align:left}.gco-scope *,.gco-scope *:before,.gco-scope *:after{box-sizing:border-box}.gco-scope [hidden]{display:none!important}.gco-scope :where(p,dl,dd,figure){margin:0}.gco-scope :where(ul,ol){margin:0;padding:0}.gco-scope p{margin-top:0;margin-bottom:0}.gco-scope h2,.gco-scope h3{margin:0;padding:0;font-family:var(--gco-font);color:var(--gco-text);text-transform:none;letter-spacing:-.01em;line-height:1.25;border:0}.gco-scope fieldset{margin:0;padding:0;border:0;min-width:0}.gco-scope legend{padding:0;float:none;width:auto;border:0}.gco-scope svg{display:inline-block;vertical-align:middle}.gco-icon{flex:none;width:1.15em;height:1.15em}.gco-sr{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.gco-scope :focus{outline:none}.gco-scope :focus-visible{outline:none;box-shadow:var(--gco-focus)}.gco-card{container-type:inline-size;container-name:gco;background:var(--gco-surface);border:1px solid var(--gco-border);border-radius:var(--gco-radius);box-shadow:var(--gco-shadow);overflow:clip}.gco-calc__head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:.75rem 1rem;padding:var(--gco-gap);border-bottom:1px solid var(--gco-border);background:linear-gradient(135deg,var(--gco-accent-soft),transparent 55%),var(--gco-surface)}.gco-calc__titles{display:flex;gap:.85rem;align-items:flex-start;min-width:0;flex:1 1 18rem}.gco-calc__icon{display:grid;place-items:center;flex:none;width:2.75rem;height:2.75rem;border-radius:12px;background:var(--gco-accent);color:var(--gco-accent-ink);box-shadow:0 6px 14px -6px var(--gco-accent)}.gco-calc__icon .gco-icon{width:1.4rem;height:1.4rem}.gco-scope .gco-calc__title{font-size:clamp(1.2rem,2.4vw,1.45rem);font-weight:750;margin:.1rem 0 .2rem}.gco-calc__summary{color:var(--gco-muted);font-size:.95rem}.gco-tools{display:flex;align-items:center;gap:.35rem;flex-wrap:wrap}.gco-scope .gco-btn,.gco-scope .gco-iconbtn{-webkit-appearance:none;appearance:none;display:inline-flex;align-items:center;justify-content:center;gap:.45rem;margin:0;font-family:var(--gco-font);font-size:.95rem;font-weight:600;line-height:1.2;letter-spacing:0;text-transform:none;text-decoration:none;white-space:nowrap;cursor:pointer;border-radius:var(--gco-radius-sm);border:1px solid transparent;box-shadow:none;transition:background-color .15s ease,border-color .15s ease,color .15s ease,transform .1s ease}.gco-scope .gco-btn{min-height:2.75rem;padding:.6rem 1rem;background:var(--gco-surface);color:var(--gco-text);border-color:var(--gco-border-strong)}.gco-scope .gco-btn:hover{border-color:var(--gco-accent);color:var(--gco-accent);background:var(--gco-surface)}.gco-scope .gco-btn:active{transform:translateY(1px)}.gco-scope .gco-btn--primary{background:var(--gco-accent);border-color:var(--gco-accent);color:var(--gco-accent-ink)}.gco-scope .gco-btn--primary:hover{background:var(--gco-accent-strong);border-color:var(--gco-accent-strong);color:var(--gco-accent-ink)}.gco-scope .gco-btn--lg{min-height:3rem;padding:.7rem 1.4rem;font-size:1rem}.gco-scope .gco-btn--sm{min-height:2.25rem;padding:.4rem .75rem;font-size:.875rem}.gco-scope .gco-btn--ghost{background:transparent;border-color:transparent;color:var(--gco-muted)}.gco-scope .gco-btn--ghost:hover{background:var(--gco-surface-3);border-color:transparent;color:var(--gco-text)}.gco-scope .gco-btn--soft{background:var(--gco-accent-soft);border-color:transparent;color:var(--gco-accent)}.gco-scope .gco-btn--soft:hover{background:var(--gco-accent-soft);border-color:var(--gco-accent-line);color:var(--gco-accent)}.gco-scope .gco-btn--danger{color:var(--gco-danger)}.gco-scope .gco-btn--danger:hover{background:var(--gco-danger-soft);color:var(--gco-danger)}.gco-scope .gco-iconbtn{width:2.5rem;height:2.5rem;padding:0;background:transparent;color:var(--gco-muted)}.gco-scope .gco-iconbtn:hover{background:var(--gco-surface-3);color:var(--gco-text)}.gco-scope .gco-iconbtn[aria-pressed=true]{color:var(--gco-accent)}.gco-theme-icon--sun{display:none}.gco-iconbtn[aria-pressed=true] .gco-theme-icon--sun{display:inline}.gco-iconbtn[aria-pressed=true] .gco-theme-icon--moon{display:none}.gco-calc__body{display:grid;grid-template-columns:minmax(0,1fr)}.gco-form{display:flex;flex-direction:column;gap:1.15rem;padding:var(--gco-gap);min-width:0}.gco-form__intro{color:var(--gco-muted);font-size:.95rem}.gco-grid-2{display:grid;grid-template-columns:minmax(0,1fr);gap:1rem}@container gco (min-width: 520px){.gco-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}}@container gco (min-width: 880px){.gco-calc__body{grid-template-columns:minmax(0,1.55fr) minmax(300px,1fr)}.gco-result{border-top:0!important;border-left:1px solid var(--gco-border)}.gco-result__inner,.gco-result>*{position:relative}}.gco-field{display:flex;flex-direction:column;gap:.4rem;min-width:0}.gco-scope .gco-label{display:block;font-size:.9rem;font-weight:650;color:var(--gco-text);margin:0}.gco-optional{font-weight:400;color:var(--gco-muted)}.gco-hint{font-size:.85rem;color:var(--gco-muted);line-height:1.45}.gco-scope .gco-input{-webkit-appearance:none;appearance:none;display:block;width:100%;min-width:0;height:2.85rem;margin:0;padding:.55rem .8rem;font-family:var(--gco-font);font-size:1rem;font-weight:500;line-height:1.4;color:var(--gco-text);background:var(--gco-surface);border:1px solid var(--gco-border-strong);border-radius:var(--gco-radius-sm);box-shadow:inset 0 1px 1px #0f172a0a;transition:border-color .15s ease,box-shadow .15s ease}.gco-scope .gco-input::placeholder{color:var(--gco-muted);opacity:.65}.gco-scope .gco-input:hover{border-color:var(--gco-muted)}.gco-scope .gco-input:focus,.gco-scope .gco-input:focus-visible{border-color:var(--gco-accent);box-shadow:0 0 0 3px var(--gco-accent-soft),0 0 0 1px var(--gco-accent);outline:none}.gco-scope .gco-input--num{font-variant-numeric:tabular-nums}.gco-scope .gco-select{padding-right:2.2rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23778' stroke-width='2' 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0;accent-color:var(--gco-accent);cursor:pointer}.gco-segment{display:flex;flex-direction:column;gap:.45rem}.gco-segment__options{display:inline-flex;flex-wrap:wrap;gap:.25rem;padding:.25rem;background:var(--gco-surface-3);border-radius:12px;width:fit-content;max-width:100%}.gco-segment__options label{position:relative;cursor:pointer}.gco-segment__options input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}.gco-segment__options span{display:block;padding:.45rem .85rem;border-radius:9px;font-size:.9rem;font-weight:600;color:var(--gco-muted);transition:background-color .15s ease,color .15s ease}.gco-segment__options input:checked+span{background:var(--gco-surface);color:var(--gco-text);box-shadow:0 1px 3px #0f172a26}.gco-segment__options input:focus-visible+span{box-shadow:var(--gco-focus)}.gco-chips{display:flex;flex-wrap:wrap;gap:.35rem}.gco-chips:empty{display:none}.gco-scope .gco-chip{-webkit-appearance:none;appearance:none;min-height:2rem;margin:0;padding:.25rem .7rem;font-family:var(--gco-font);font-size:.82rem;font-weight:650;line-height:1.2;color:var(--gco-text);background:var(--gco-surface-2);border:1px solid var(--gco-border);border-radius:999px;cursor:pointer;text-transform:none}.gco-scope .gco-chip:hover,.gco-scope .gco-chip[aria-pressed=true]{border-color:var(--gco-accent);color:var(--gco-accent);background:var(--gco-accent-soft)}.gco-more{border:1px solid var(--gco-border);border-radius:var(--gco-radius-sm);background:var(--gco-surface-2)}.gco-more>summary{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 1rem;font-weight:650;font-size:.93rem;cursor:pointer;list-style:none;border-radius:var(--gco-radius-sm)}.gco-more>summary::-webkit-details-marker{display:none}.gco-more>summary:after{content:"";flex:none;width:.55rem;height:.55rem;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .15s 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2.5rem}.gco-cell{display:block;margin:0}.gco-row__legend,.gco-cell__label{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important}.gco-out{display:block;font-variant-numeric:tabular-nums;font-weight:650;font-size:.95rem;color:var(--gco-muted);padding-right:.15rem}.gco-out[data-tier]{color:var(--gco-text)}.gco-row__remove{flex:0 0 2.5rem}.gco-scope .gco-row__remove:hover{color:var(--gco-danger);background:var(--gco-danger-soft)}.gco-scope .gco-rows__add{align-self:flex-start;margin-top:.15rem}.gco-row.is-new{animation:gco-in .18s ease-out}@keyframes gco-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@container gco (max-width: 559px){.gco-rows__head{display:none}.gco-row{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem .6rem;padding:.8rem;border:1px solid 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