:root {
  --palette-hue: 145; --palette-secondary-hue: 80; --palette-saturation: 48%;
  --font-body: "Avenir Next", "Nunito Sans", "Segoe UI", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: ui-rounded, "SF Pro Rounded", "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  --ink: hsl(var(--palette-hue) 30% 17%); --muted: hsl(var(--palette-hue) 9% 45%); --paper: hsl(var(--palette-hue) 22% 99%); --cream: hsl(var(--palette-hue) 24% 96%);
  --line: hsl(var(--palette-hue) 15% 88%); --green: hsl(var(--palette-hue) var(--palette-saturation) 34%); --green-dark: hsl(var(--palette-hue) var(--palette-saturation) 24%); --lime: hsl(var(--palette-secondary-hue) 58% 65%);
  --lime-soft: hsl(var(--palette-secondary-hue) 55% 90%); --orange: hsl(var(--palette-secondary-hue) 76% 53%); --red: #bb5147; --white: #fff;
  --grade-a: #2f9b63; --grade-b: #477fd1; --grade-c: #c39a22; --grade-d: #df7c32; --grade-e: #cf4c50;
  --header-bg: hsla(var(--palette-hue) 22% 99% / .88); --card-bg: hsla(var(--palette-hue) 15% 100% / .93); --input-bg: hsl(var(--palette-hue) 22% 100%);
  --table-head: hsl(var(--palette-hue) 22% 98%); --row-line: hsl(var(--palette-hue) 13% 93%); --tag-bg: hsl(var(--palette-secondary-hue) 34% 94%); --rail-note-bg: hsl(var(--palette-secondary-hue) 38% 89%);
  --simulated-bg: hsl(var(--palette-secondary-hue) 28% 99%); --bar-track: hsl(var(--palette-hue) 12% 94%); --hover-bg: hsla(var(--palette-hue) 15% 100% / .65);
  --callout-bg: hsl(var(--palette-secondary-hue) 43% 96%); --callout-line: hsl(var(--palette-secondary-hue) 39% 87%); --hero-bg: hsl(var(--palette-hue) 34% 17%); --hero-text: #fff; --button-text: #fff;
  --hero-muted: hsl(var(--palette-hue) 18% 80%); --meter-track: hsl(var(--palette-hue) 22% 31%); --toast-bg: var(--hero-bg); --toast-text: #fff;
  --shadow: 0 24px 60px rgba(32, 62, 47, .11); --radius: 22px;
}

html[data-theme='dark'] {
  color-scheme: dark;
  --ink: hsl(var(--palette-hue) 18% 93%); --muted: hsl(var(--palette-hue) 12% 69%); --paper: hsl(var(--palette-hue) 22% 8%); --cream: hsl(var(--palette-hue) 21% 13%);
  --line: hsl(var(--palette-hue) 15% 25%); --green: hsl(var(--palette-hue) var(--palette-saturation) 72%); --green-dark: hsl(var(--palette-hue) var(--palette-saturation) 81%); --lime: hsl(var(--palette-secondary-hue) 68% 75%);
  --lime-soft: hsl(var(--palette-secondary-hue) 28% 22%); --orange: hsl(var(--palette-secondary-hue) 75% 68%); --red: #f18d86; --white: hsl(var(--palette-hue) 18% 16%);
  --grade-a: #63d894; --grade-b: #79a9f5; --grade-c: #f1c95a; --grade-d: #f6a15c; --grade-e: #ff888b;
  --header-bg: hsla(var(--palette-hue) 22% 8% / .88); --card-bg: hsl(var(--palette-hue) 20% 15%); --input-bg: hsl(var(--palette-hue) 24% 12%);
  --table-head: hsl(var(--palette-hue) 22% 12%); --row-line: hsl(var(--palette-hue) 16% 21%); --tag-bg: hsl(var(--palette-secondary-hue) 24% 23%); --rail-note-bg: hsl(var(--palette-secondary-hue) 23% 21%);
  --simulated-bg: hsl(var(--palette-secondary-hue) 21% 16%); --bar-track: hsl(var(--palette-hue) 19% 22%); --hover-bg: hsla(var(--palette-hue) 18% 95% / .06);
  --callout-bg: hsl(var(--palette-secondary-hue) 22% 20%); --callout-line: hsl(var(--palette-secondary-hue) 22% 31%); --hero-bg: hsl(var(--palette-hue) 32% 6%); --hero-text: hsl(var(--palette-hue) 20% 96%); --button-text: hsl(var(--palette-hue) 36% 12%);
  --hero-muted: hsl(var(--palette-hue) 20% 78%); --meter-track: hsl(var(--palette-hue) 23% 20%); --toast-bg: hsl(var(--palette-secondary-hue) 34% 93%); --toast-text: hsl(var(--palette-hue) 29% 11%);
}

* { box-sizing: border-box; }
html { min-height: 100%; color-scheme: light; -webkit-text-size-adjust: 100%; }
html[data-theme='dark'] { color-scheme: dark; }
body { margin: 0; min-height: 100vh; min-height: 100dvh; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: var(--font-body); transition: background-color .3s ease, color .3s ease; }
button, input, select { font: inherit; }
button { color: inherit; }
.hidden { display: none !important; }
.sr-only { 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; }
.grain { position: fixed; inset: 0; pointer-events: none; z-index: 99; opacity: .025; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
.site-header { height: calc(78px + env(safe-area-inset-top)); padding: env(safe-area-inset-top) 5vw 0; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: var(--header-bg); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 10; }
.brand { display: flex; gap: 12px; align-items: center; color: var(--ink); text-decoration: none; font-family: var(--font-display); font-weight: 800; letter-spacing: -.055em; font-size: 24px; line-height: 1; }
.brand-mark { display: grid; place-items: center; width: 48px; height: 48px; flex: 0 0 48px; transition: transform .25s ease; }
.brand:hover .brand-mark { transform: rotate(-4deg) scale(1.04); }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-word { background: linear-gradient(105deg, #f6b824 0%, #f47a22 48%, #e7382a 100%); color: transparent; background-clip: text; -webkit-background-clip: text; }
.brand-leaf { fill: #2b7a52; stroke: #195f3c; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.brand-rind { fill: #2b7a52; stroke: #195f3c; stroke-width: 1.4; }
.brand-flesh { fill: #b7db74; stroke: #195f3c; stroke-width: 1.1; }
.brand-core { fill: #195f3c; }
.brand-seeds ellipse { fill: #195f3c; }
.brand-shine { fill: none; stroke: #f9fff1; stroke-width: 1.4; stroke-linecap: round; opacity: .78; }
.header-actions { display: flex; gap: 14px; align-items: center; }
.text-button, .icon-button { border: 0; background: transparent; cursor: pointer; }
.text-button { font-weight: 600; font-size: 13px; }
.icon-button { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 11px; display: grid; place-items: center; background: var(--white); }
.icon-button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.login-view { min-height: calc(100vh - 78px); min-height: calc(100dvh - 78px - env(safe-area-inset-top)); display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; max-width: 1180px; padding: 70px 40px 100px; margin: auto; gap: 9vw; position: relative; }
.login-view::before { content: ''; width: 320px; height: 320px; background: var(--lime-soft); border-radius: 43% 57% 50% 50%; position: fixed; right: -150px; bottom: -140px; transform: rotate(20deg); z-index: -1; animation: mango-drift 13s ease-in-out infinite alternate; }
.login-view::after { content: ''; width: 230px; height: 230px; position: absolute; left: -105px; top: 9%; border: 1px solid color-mix(in srgb, var(--green) 22%, transparent); border-radius: 58% 42% 64% 36%; pointer-events: none; z-index: -1; animation: mango-orbit 16s ease-in-out infinite alternate; }
.eyebrow { text-transform: uppercase; letter-spacing: .17em; color: var(--green); font-weight: 700; font-size: 11px; }
.login-copy h1 { font-family: var(--font-display); font-size: clamp(46px, 5vw, 70px); line-height: 1.02; letter-spacing: -.045em; margin: 18px 0 24px; font-weight: 700; }
.login-copy h1 em { color: var(--green); font-style: italic; }
.login-copy { animation: mango-rise .7s cubic-bezier(.2,.75,.25,1) both; }
.login-copy > p { color: var(--muted); line-height: 1.75; max-width: 540px; font-size: 17px; }
.trust-row { display: flex; gap: 38px; margin-top: 42px; }
.trust-row > div { display: grid; grid-template-columns: 34px auto; grid-template-rows: auto auto; column-gap: 10px; align-items: center; animation: mango-rise .65s cubic-bezier(.2,.75,.25,1) both; }
.trust-row > div:nth-child(2) { animation-delay: .1s; }
.trust-icon { grid-row: 1/3; width: 32px; height: 32px; border-radius: 9px; background: var(--lime-soft); display: grid; place-items: center; color: var(--green); }
.trust-row strong { font-size: 13px; }
.trust-row small { color: var(--muted); font-size: 11px; margin-top: 2px; }
.login-card-wrap { position: relative; animation: mango-rise .75s .1s cubic-bezier(.2,.75,.25,1) both; }
.fruit-doodle { position: absolute; color: var(--orange); font-size: 48px; right: -25px; top: -38px; transform: rotate(12deg); animation: mango-bob 4.5s ease-in-out infinite; }
.login-card { background: var(--card-bg); border: 1px solid var(--line); border-radius: 28px; padding: 44px; box-shadow: var(--shadow); position: relative; overflow: hidden; transition: transform .3s ease, box-shadow .3s ease, background-color .3s ease; }
.login-card:hover { transform: translateY(-4px); box-shadow: 0 28px 70px rgba(32, 62, 47, .16); }
.card-topline { position: absolute; left: 0; top: 0; right: 0; height: 5px; background: linear-gradient(90deg, var(--green) 0 64%, var(--lime) 64%); }
.login-card h2 { font-family: var(--font-display); font-size: 31px; margin: 0 0 8px; letter-spacing: -.02em; }
.login-card > p:not(.microcopy) { color: var(--muted); margin: 0 0 30px; font-size: 14px; }
.login-card label { display: block; font-size: 12px; font-weight: 700; margin: 19px 0 8px; }
.remember-row { display: flex !important; align-items: center; gap: 9px; margin: 16px 0 0 !important; cursor: pointer; }
.remember-row input { width: 16px; height: 16px; flex: 0 0 16px; margin: 0; accent-color: var(--green); cursor: pointer; }
.remember-row > span { color: var(--ink); font-size: 12px; font-weight: 600; }
.input-wrap { border: 1px solid var(--line); border-radius: 13px; height: 52px; display: flex; align-items: center; padding: 0 14px; gap: 10px; background: var(--input-bg); transition: .2s; }
.input-wrap:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px rgba(43,122,82,.1); }
.input-wrap > span { color: #89a093; }
.input-wrap input { border: 0; outline: 0; background: transparent; flex: 1; min-width: 0; }
.input-wrap button { border: 0; background: none; cursor: pointer; color: var(--green); font-size: 11px; font-weight: 700; }
.primary-button { width: 100%; height: 52px; border: 0; border-radius: 13px; color: var(--button-text); background: var(--green); margin-top: 24px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; font-weight: 700; cursor: pointer; transition: .2s; box-shadow: 0 8px 20px rgba(43,122,82,.2); }
.primary-button:hover { background: var(--green-dark); transform: translateY(-1px); }
.primary-button:disabled { opacity: .65; cursor: wait; transform: none; }
.demo-button { width: 100%; background: transparent; border: 0; color: var(--green); font-size: 12px; font-weight: 700; padding: 16px 0 5px; cursor: pointer; }
.install-hint { display: none; align-items: flex-start; gap: 10px; margin: 8px 0 2px; padding: 11px 12px; border: 1px solid var(--callout-line); border-radius: 12px; color: var(--muted); background: var(--callout-bg); }
.install-hint.is-visible { display: flex; }
.install-hint-icon { display: grid; flex: 0 0 25px; width: 25px; height: 25px; place-items: center; border-radius: 8px; color: var(--green-dark); background: var(--lime-soft); font-weight: 800; }
.install-hint p { display: flex; flex-direction: column; gap: 3px; margin: 0; font-size: 10px; line-height: 1.45; }
.install-hint strong { color: var(--ink); font-size: 11px; }
.microcopy { font-size: 10px; color: var(--muted); text-align: center; line-height: 1.5; margin: 18px 15px 0; }
.form-error { color: var(--red); font-size: 12px; margin-top: 12px; line-height: 1.4; min-height: 0; }
.service-notice { margin-top: 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--orange); background: color-mix(in srgb, var(--orange) 12%, var(--card-bg)); color: var(--ink); font-size: 12px; line-height: 1.45; text-align: left; }
.service-notice strong { display: flex; align-items: center; gap: 6px; color: var(--orange); font-size: 12px; margin-bottom: 4px; }
.service-notice p { margin: 0; color: var(--muted); font-size: 11px; }

.app-view { display: grid; grid-template-columns: 280px minmax(0,1fr); min-height: calc(100vh - 78px); min-height: calc(100dvh - 78px - env(safe-area-inset-top)); }
.course-rail { border-right: 1px solid var(--line); background: var(--cream); padding: 34px 20px; display: flex; flex-direction: column; }
.rail-heading { display: flex; align-items: center; justify-content: space-between; padding: 0 6px 20px; }
.rail-heading h2 { margin: 5px 0 0; font-size: 18px; }
.overview-nav { width: 100%; display: grid; grid-template-columns: 38px 1fr; gap: 11px; align-items: center; margin: 0 0 12px; padding: 10px 13px; border: 1px solid transparent; border-radius: 14px; color: var(--muted); background: transparent; text-align: left; cursor: pointer; }
.overview-nav:hover, .overview-nav.active { color: var(--ink); background: var(--card-bg); border-color: var(--line); }
.overview-nav-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; color: var(--green-dark); background: var(--lime-soft); font-size: 18px; }
.overview-nav strong, .overview-nav small { display: block; }
.overview-nav strong { font-size: 12px; }
.overview-nav small { margin-top: 3px; color: var(--muted); font-size: 10px; }
.course-list { display: flex; flex-direction: column; gap: 7px; }
.course-button { width: 100%; min-width: 0; text-align: left; border: 1px solid transparent; background: transparent; border-radius: 14px; padding: 13px 13px; display: grid; grid-template-columns: 38px minmax(0,1fr) minmax(3.2rem,4.2rem); gap: 11px; align-items: center; cursor: pointer; transition: .18s; }
.course-button:hover { background: var(--hover-bg); }
.course-button.active { background: var(--card-bg); border-color: var(--line); box-shadow: 0 8px 24px rgba(42,65,52,.07); }
.course-button > span:nth-child(2) { min-width: 0; overflow: hidden; }
.course-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 11px; color: var(--green-dark); background: var(--lime-soft); font-family: var(--font-display); font-weight: 700; }
.course-button strong { display: block; font-size: 12px; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-button small { display: block; color: var(--muted); font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-grade { min-width: 0; max-width: 4.2rem; display: flex; flex-direction: column; align-items: flex-end; overflow: hidden; text-align: right; white-space: nowrap; font-weight: 700; font-size: 13px; line-height: 1; }
.course-grade strong { max-width: 100%; overflow: hidden; text-overflow: ellipsis; font-size: 14px; line-height: 1; }
.course-grade small { max-width: 100%; margin-top: 4px; color: var(--muted); font-size: 9px; font-weight: 600; }
.rail-note { margin-top: auto; display: flex; gap: 10px; padding: 15px; border-radius: 14px; background: var(--rail-note-bg); font-size: 10px; line-height: 1.55; color: var(--muted); }
.rail-note p { margin: 0; }
.rail-note strong { color: var(--ink); }

.workspace { padding: 26px clamp(28px, 4vw, 68px) 80px; max-width: 1500px; width: 100%; margin: auto; min-width: 0; }
.overview-view { animation: mango-rise .6s cubic-bezier(.2,.75,.25,1) both; }
.overview-hero { display: flex; align-items: flex-end; justify-content: flex-end; gap: 30px; padding: 0 0 12px; }
.overview-controls { display: flex; align-items: flex-end; gap: 10px; flex-shrink: 0; }
.view-toggle { height: 40px; display: inline-flex; align-items: center; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 11px; background: var(--cream); }
.view-toggle-button { width: 36px; height: 32px; display: grid; place-items: center; padding: 0; border: 0; border-radius: 8px; color: var(--muted); background: transparent; cursor: pointer; transition: color .16s ease, background-color .16s ease, box-shadow .16s ease; }
.view-toggle-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.view-toggle-button:hover { color: var(--ink); }
.view-toggle-button.active { color: var(--green-dark); background: var(--card-bg); box-shadow: 0 1px 4px rgba(24,50,40,.11); }
.term-control { display: flex; flex-direction: column; gap: 7px; min-width: 178px; }
.term-control > span { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.term-control select { width: 100%; height: 40px; padding: 0 30px 0 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: var(--card-bg); outline: 0; font-size: 11px; font-weight: 700; }
.term-control select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(43,122,82,.1); }
.overview-panel { margin-top: 0; }
.overview-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 245px), 1fr)); gap: 14px; }
.grade-course-card { min-width: 0; min-height: 202px; display: flex; flex-direction: column; align-items: stretch; padding: 17px 18px 14px; border: 1px solid var(--line); border-radius: 17px; color: var(--ink); background: var(--card-bg); text-align: left; box-shadow: 0 5px 20px rgba(36,59,45,.035); cursor: pointer; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background-color .18s ease; }
.grade-course-card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--green) 40%, var(--line)); box-shadow: 0 12px 28px rgba(36,59,45,.09); }
.grade-course-card:focus-visible, .view-toggle-button:focus-visible { outline: 3px solid color-mix(in srgb, var(--green) 50%, transparent); outline-offset: 2px; }
.grade-course-card-head { display: flex; align-items: center; gap: 11px; min-width: 0; }
.grade-course-card-heading { min-width: 0; }
.grade-course-card-period { display: block; margin-top: 4px; overflow: hidden; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .08em; text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
.grade-course-card-title { display: -webkit-box; max-height: 2.5em; overflow: hidden; color: var(--ink); font-family: var(--font-display); font-size: 14px; font-weight: 800; line-height: 1.25; text-overflow: ellipsis; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.grade-course-card-grade { flex: 1; min-height: 98px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; text-align: center; }
.grade-course-card-grade strong { font-family: var(--font-display); font-size: 48px; line-height: .95; }
.grade-course-card-grade small { color: var(--muted); font-size: 10px; font-weight: 700; }
.grade-course-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 10px; border-top: 1px solid var(--row-line); }
.grade-course-card-teacher { min-width: 0; overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.grade-course-card-open { color: var(--green-dark); font-size: 9px; font-weight: 800; white-space: nowrap; }
.grade-course-card-open b { padding-left: 3px; font-size: 13px; }
.overview-table td:first-child { min-width: 280px; }
.overview-course { display: flex; align-items: center; gap: 11px; min-width: 0; }
.overview-course > span:last-child { min-width: 0; }
.overview-course strong { display: block; max-width: 290px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.overview-course small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.overview-grade { display: inline-flex; align-items: baseline; gap: 6px; min-width: 72px; white-space: nowrap; }
.overview-grade strong { font-size: 15px; }
.overview-grade small { color: var(--muted); font-size: 10px; }
.overview-ungraded { color: var(--muted); font-weight: 700; }
.overview-ungraded.has-ungraded { color: var(--orange); }
.overview-open { border: 0; border-radius: 9px; padding: 9px 11px; color: var(--green-dark); background: var(--lime-soft); font-size: 10px; font-weight: 800; cursor: pointer; white-space: nowrap; transition: transform .2s ease, background-color .2s ease; }
.overview-open:hover { transform: translateX(2px); background: var(--lime); }
.overview-open span { padding-left: 4px; font-size: 13px; }
.detail-view { animation: mango-rise .45s cubic-bezier(.2,.75,.25,1) both; }
.course-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.course-actions { display: flex; gap: 9px; flex-wrap: wrap; justify-content: flex-end; }
.course-header h1 { font-family: var(--font-display); font-size: 38px; margin: 8px 0 5px; letter-spacing: -.03em; }
.course-header p { color: var(--muted); margin: 0; font-size: 13px; }
.outline-button { border: 1px solid var(--line); border-radius: 11px; background: var(--card-bg); padding: 10px 14px; font-size: 11px; font-weight: 700; cursor: pointer; }
.mobile-courses { display: none; }
.grade-summary { margin: 12px 0 14px; }
.grade-summary .hero-metric { width: min(100%, 440px); min-height: 112px; padding: 15px 19px; }
.metric-card { min-height: 147px; border: 1px solid var(--line); background: var(--card-bg); border-radius: 18px; padding: 20px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 5px 20px rgba(36,59,45,.035); }
.hero-metric { background: var(--hero-bg); color: var(--hero-text); border-color: var(--hero-bg); }
.metric-label { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; color: var(--muted); }
.hero-metric .metric-label { color: var(--hero-muted); }
.grade-lockup { display: flex; align-items: baseline; gap: 10px; }
.grade-lockup strong { font-family: var(--font-display); font-size: 48px; color: var(--lime); line-height: .9; }
.grade-lockup span { font-size: 18px; font-weight: 600; }
.grade-letter { font-weight: 800; }
.grade-number { color: var(--grade-color, var(--ink)); }
.grade-none { --grade-color: var(--muted); color: var(--muted) !important; }
.grade-a { --grade-color: var(--grade-a); color: var(--grade-color) !important; }
.grade-b { --grade-color: var(--grade-b); color: var(--grade-color) !important; }
.grade-c { --grade-color: var(--grade-c); color: var(--grade-color) !important; }
.grade-d { --grade-color: var(--grade-d); color: var(--grade-color) !important; }
.grade-e { --grade-color: var(--grade-e); color: var(--grade-color) !important; }
.grade-lockup .grade-number { font-size: 18px; }
.delta { font-size: 10px; color: var(--hero-muted); }
.delta.positive { color: #bce484; }
.delta.negative { color: #f4a397; }
.meter { height: 4px; border-radius: 10px; background: var(--meter-track); overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--lime); width: 0; transition: width .35s; }
.section-tabs { display: flex; align-items: center; gap: 22px; border-bottom: 1px solid var(--line); }
.section-tabs > button:not(.add-button) { background: transparent; border: 0; border-bottom: 2px solid transparent; padding: 14px 0; color: var(--muted); font-size: 12px; font-weight: 700; cursor: pointer; }
.section-tabs > button.active { color: var(--green); border-bottom-color: var(--green); }
.section-tabs > span { flex: 1; }
.add-button { border: 0; border-radius: 10px; background: var(--lime-soft); color: var(--green-dark); font-size: 11px; font-weight: 700; padding: 9px 13px; cursor: pointer; }
.panel { margin-top: 22px; border: 1px solid var(--line); background: var(--card-bg); border-radius: 18px; overflow: hidden; }
.table-toolbar { min-height: 78px; padding: 18px 20px; display: flex; align-items: center; justify-content: space-between; gap: 25px; border-bottom: 1px solid var(--line); }
.table-toolbar h3 { margin: 0 0 4px; font-size: 14px; }
.table-toolbar p { margin: 0; color: var(--muted); font-size: 10px; }
.filter { width: 210px; border: 1px solid var(--line); border-radius: 10px; height: 37px; display: flex; gap: 8px; align-items: center; padding: 0 11px; color: var(--muted); }
.filter input { min-width: 0; border: 0; outline: 0; width: 100%; font-size: 11px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 11px; }
th { color: var(--muted); text-align: left; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; padding: 12px 18px; background: var(--table-head); }
td { border-top: 1px solid var(--row-line); padding: 14px 18px; vertical-align: middle; }
td:first-child { font-weight: 600; min-width: 230px; }
.category-tag { display: inline-block; max-width: 170px; overflow: hidden; text-overflow: ellipsis; vertical-align: middle; border-radius: 99px; background: var(--tag-bg); color: var(--green-dark); padding: 5px 8px; white-space: nowrap; font-size: 9px; }
.score-inputs { display: flex; align-items: center; gap: 5px; }
.score-inputs input { width: 55px; height: 31px; text-align: right; color: var(--ink); background: var(--input-bg); border: 1px solid var(--line); border-radius: 7px; outline: 0; font-size: 11px; }
.score-inputs input:focus { border-color: var(--green); }
.assignment-name-input, .assignment-category-input { width: 100%; min-width: 0; height: 33px; padding: 6px 8px; color: var(--ink); background: var(--input-bg); border: 1px solid var(--line); border-radius: 7px; outline: 0; font-size: 11px; }
.assignment-name-input { min-width: 170px; }
.assignment-category-input { min-width: 145px; }
.assignment-name-input:focus, .assignment-category-input:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(43,122,82,.1); }
.simulated-row td:first-child .simulated-badge { display: block; margin: 4px 0 0; }
.result-pill { min-width: 64px; display: inline-flex; align-items: baseline; justify-content: center; gap: 5px; text-align: center; font-weight: 700; }
.result-percent { color: var(--ink); font-weight: 700; }
.result-grade { color: inherit; font-size: 10px; }
.result-status { color: var(--muted); font-size: 9px; font-weight: 700; white-space: nowrap; }
.simulated-row { background: var(--simulated-bg); }
.simulated-badge { margin-left: 7px; color: var(--orange); font-size: 8px; text-transform: uppercase; letter-spacing: .05em; }
.assignment-ungraded-label { display: inline-block; margin: 4px 0 0 7px; padding: 3px 7px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); background: var(--tag-bg); font-size: 8px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.simulated-row .assignment-ungraded-label { margin-left: 0; }
.row-action { border: 0; background: transparent; color: #9aaba1; cursor: pointer; font-size: 16px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state span { font-size: 28px; color: var(--green); }
.empty-state h3 { color: var(--ink); margin-bottom: 5px; }
.empty-state p { font-size: 11px; }
.category-list { padding: 10px 20px 20px; }
.category-row { display: grid; grid-template-columns: minmax(180px,1fr) 2fr 90px; gap: 20px; align-items: center; padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.category-row:last-child { border: 0; }
.category-bar { height: 7px; border-radius: 9px; background: var(--bar-track); overflow: hidden; }
.category-bar i { display: block; height: 100%; background: var(--lime); }
.category-row input { width: 64px; color: var(--ink); background: var(--input-bg); border: 1px solid var(--line); border-radius: 8px; padding: 7px; text-align: right; }
.weight-total { color: var(--green); }
.weight-total.invalid { color: var(--red); }

.toast { position: fixed; right: 24px; bottom: calc(24px + env(safe-area-inset-bottom)); z-index: 70; background: var(--toast-bg); color: var(--toast-text); padding: 13px 17px; border-radius: 11px; font-size: 12px; box-shadow: var(--shadow); }

@keyframes mango-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes mango-drift {
  from { transform: rotate(20deg) translate3d(0, 0, 0); }
  to { transform: rotate(28deg) translate3d(-20px, -18px, 0); }
}
@keyframes mango-orbit {
  from { transform: translate3d(0, 0, 0) rotate(-12deg); }
  to { transform: translate3d(24px, 18px, 0) rotate(12deg); }
}
@keyframes mango-bob {
  0%, 100% { transform: rotate(12deg) translateY(0); }
  50% { transform: rotate(20deg) translateY(-8px); }
}

@media (max-width: 1000px) {
  .login-view { gap: 50px; }
  .app-view { grid-template-columns: 240px minmax(0,1fr); }
}
@media (max-width: 760px) {
  .site-header { height: calc(66px + env(safe-area-inset-top)); padding: env(safe-area-inset-top) 16px 0; }
  .brand { gap: 7px; font-size: 19px; }
  .brand-mark { width: 36px; height: 36px; flex-basis: 36px; }
  .header-actions { gap: 8px; }
  .icon-button { width: 44px; height: 44px; }
  .text-button { min-height: 44px; padding: 0 4px; }
  .login-view { min-height: calc(100vh - 66px - env(safe-area-inset-top)); min-height: calc(100dvh - 66px - env(safe-area-inset-top)); display: flex; flex-direction: column; align-items: stretch; max-width: 560px; padding: 22px 16px calc(38px + env(safe-area-inset-bottom)); gap: 20px; }
  .login-copy h1 { font-size: clamp(31px, 8vw, 40px); margin: 10px 0 8px; }
  .login-copy > p { margin: 8px 0 0; font-size: 13px; line-height: 1.55; }
  .trust-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 15px; }
  .trust-row > div { grid-template-columns: 26px minmax(0, 1fr); gap: 8px; padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--card-bg); }
  .trust-icon { width: 26px; height: 26px; }
  .trust-row strong { font-size: 10px; }
  .trust-row small { font-size: 9px; }
  .login-card-wrap { width: 100%; }
  .fruit-doodle { display: none; }
  .login-card { padding: 24px 18px; border-radius: 22px; }
  .login-card:hover { transform: none; }
  .login-card h2 { font-size: 25px; }
  .login-card > p:not(.microcopy) { margin-bottom: 20px; font-size: 13px; }
  .demo-button { min-height: 44px; padding: 10px 0 4px; }
  .login-policy-links { min-height: 40px; align-items: center; flex-wrap: wrap; font-size: 10px; }
  .microcopy { margin: 10px 0 0; }
  .app-view { display: block; min-height: calc(100vh - 66px - env(safe-area-inset-top)); min-height: calc(100dvh - 66px - env(safe-area-inset-top)); }
  .course-rail { display: none; position: fixed; z-index: 20; inset: calc(66px + env(safe-area-inset-top)) 0 0; overflow-y: auto; padding-bottom: env(safe-area-inset-bottom); }
  .course-rail.open { display: flex; }
  .workspace { padding: 18px 16px calc(48px + env(safe-area-inset-bottom)); }
  .overview-hero { align-items: stretch; flex-direction: row; gap: 12px; padding-top: 0; }
  .overview-controls { align-items: center; width: 100%; flex-wrap: wrap; gap: 8px; }
  .view-toggle { height: 48px; }
  .view-toggle-button { width: 40px; height: 40px; }
  .term-control { flex: 1; }
  .term-control select { height: 48px; font-size: 16px; }
  .overview-controls .outline-button { min-height: 44px; align-self: stretch; }
  .overview-controls #overviewRefreshButton { flex: 1 1 100%; font-size: 12px; }
  .overview-cards { grid-template-columns: repeat(auto-fill, minmax(min(100%, 245px), 1fr)); gap: 11px; }
  .grade-course-card { min-height: 196px; }
  .overview-panel .table-toolbar { align-items: flex-start; }
  .overview-table thead { display: none; }
  .overview-table, .overview-table tbody, .overview-table tr, .overview-table td { display: block; width: 100%; }
  .overview-table tr { padding: 17px 18px; border-top: 1px solid var(--row-line); }
  .overview-table tr:first-child { border-top: 0; }
  .overview-table td { display: flex; align-items: center; justify-content: space-between; gap: 15px; min-width: 0 !important; padding: 6px 0; border: 0; text-align: right; }
  .overview-table td::before { content: attr(data-label); color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
  .overview-table td:first-child { display: block; padding: 0 0 9px; text-align: left; }
  .overview-table td:first-child::before, .overview-table td:last-child::before { display: none; }
  .overview-table td:last-child { justify-content: flex-start; padding-top: 11px; }
  .overview-table td:last-child .overview-open { width: 100%; text-align: center; }
  .overview-course strong { max-width: calc(100vw - 120px); }
  .overview-course .course-icon { flex: 0 0 38px; }
  .detail-view .table-scroll { overflow: visible; }
  .detail-view table:not(.overview-table), .detail-view table:not(.overview-table) tbody, .detail-view table:not(.overview-table) tr, .detail-view table:not(.overview-table) td { display: block; width: 100%; }
  .detail-view table:not(.overview-table) thead { display: none; }
  .detail-view table:not(.overview-table) tr { padding: 15px 14px; border-top: 1px solid var(--row-line); }
  .detail-view table:not(.overview-table) tr:first-child { border-top: 0; }
  .detail-view table:not(.overview-table) td { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-width: 0 !important; padding: 6px 0; border: 0; text-align: right; }
  .detail-view table:not(.overview-table) td::before { content: attr(data-label); flex: 0 0 auto; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
  .detail-view table:not(.overview-table) td:first-child { display: block; padding: 0 0 10px; text-align: left; }
  .detail-view table:not(.overview-table) td:first-child::before { display: none; }
  .detail-view table:not(.overview-table) td:last-child { justify-content: flex-end; padding-top: 8px; }
  .detail-view table:not(.overview-table) td:first-child .assignment-name-input { width: 100%; min-width: 0; }
  .detail-view table:not(.overview-table) .category-tag, .detail-view table:not(.overview-table) .assignment-category-input { max-width: min(210px, calc(100vw - 130px)); }
  .detail-view table:not(.overview-table) .score-inputs { gap: 7px; }
  .detail-view table:not(.overview-table) .score-inputs input { width: 74px; height: 44px; font-size: 16px; }
  .detail-view table:not(.overview-table) .assignment-name-input, .detail-view table:not(.overview-table) .assignment-category-input { height: 44px; font-size: 16px; }
  .course-header { align-items: flex-start; gap: 8px; }
  .course-header > div:first-child { flex: 1; min-width: 0; }
  .course-actions { flex: 0 0 auto; gap: 6px; }
  .course-actions .outline-button { min-height: 44px; }
  .course-header h1 { font-size: clamp(25px, 7vw, 30px); overflow-wrap: anywhere; }
  .mobile-courses { display: inline-flex; min-height: 40px; align-items: center; border: 0; padding: 0 0 5px; background: transparent; color: var(--green); font-weight: 700; font-size: 12px; }
  .grade-summary .hero-metric { width: 100%; }
  .section-tabs { position: sticky; top: calc(66px + env(safe-area-inset-top)); z-index: 8; gap: 12px; overflow-x: auto; background: var(--paper); padding-top: 4px; }
  .section-tabs > button:not(.add-button) { min-height: 44px; padding: 11px 0; }
  .section-tabs > span { display: none; }
  .add-button { min-height: 44px; padding: 9px 10px; white-space: nowrap; }
  .panel { margin-top: 16px; }
  .filter { width: 150px; height: 44px; }
  .filter input { font-size: 16px; }
  .table-toolbar p { display: none; }
  th, td { padding: 12px 10px; }
  .category-row { grid-template-columns: 1fr 80px; }
  .category-bar { display: none; }
  .category-row input { min-height: 44px; width: 78px; font-size: 16px; }
  .outline-button { min-height: 44px; }
}
@media (max-width: 460px) {
  .site-header { padding-right: 12px; padding-left: 12px; }
  .brand { gap: 5px; font-size: 17px; }
  .brand-mark { width: 32px; height: 32px; flex-basis: 32px; }
  .header-actions { gap: 5px; }
  .icon-button { width: 38px; height: 38px; }
  .text-button { font-size: 11px; }
  .metric-card { min-height: 112px; padding: 15px; }
  .section-tabs > button { white-space: nowrap; }
  .table-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; }
  .filter { width: 100%; }
  .outline-button { font-size: 0; }
  .outline-button::first-letter { font-size: 15px; }
  .course-actions .outline-button { padding: 10px 11px; }
  .overview-controls { flex-direction: row; }
  .overview-controls .outline-button { align-self: auto; }
  .overview-controls #overviewRefreshButton { flex: 1 1 100%; font-size: 11px; }
  .overview-table tr, .detail-view table:not(.overview-table) tr { padding-left: 14px; padding-right: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

.palette-button svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.palette-button svg circle { fill: var(--orange); stroke: none; }
.palette-button svg circle:nth-of-type(2) { fill: var(--grade-b); }
.palette-button svg circle:nth-of-type(3) { fill: var(--lime); }
.palette-button svg circle:nth-of-type(4) { fill: var(--grade-e); }
.palette-dialog { width: min(640px, calc(100vw - 32px)); max-width: none; max-height: min(92dvh, 780px); padding: 0; border: 1px solid var(--line); border-radius: 24px; color: var(--ink); background: var(--paper); box-shadow: 0 32px 100px rgba(16, 30, 20, .3); overflow: auto; }
.palette-dialog::backdrop { background: rgba(11, 20, 15, .58); backdrop-filter: blur(6px); }
.palette-dialog[open] { animation: palette-appear .24s cubic-bezier(.2,.75,.25,1) both; }
.palette-dialog-card { padding: clamp(20px, 4vw, 34px); }
.palette-dialog-card > .eyebrow { font-size: 10px; }
.palette-dialog h2 { margin: 8px 0 5px; font-family: var(--font-display); font-size: clamp(23px, 4vw, 31px); letter-spacing: -.03em; }
.palette-dialog-card > p { max-width: 470px; margin: 0 0 19px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.palette-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.palette-option { min-width: 0; padding: 8px; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); background: var(--card-bg); text-align: left; cursor: pointer; transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease; }
.palette-option:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--preview-accent) 55%, var(--line)); }
.palette-option:focus-visible { outline: 3px solid color-mix(in srgb, var(--preview-accent) 42%, transparent); outline-offset: 2px; }
.palette-option.selected { border-color: var(--preview-accent); box-shadow: inset 0 0 0 1px var(--preview-accent), 0 4px 16px color-mix(in srgb, var(--preview-accent) 15%, transparent); }
.palette-preview { height: 55px; display: grid; grid-template-columns: 12px minmax(0, 1fr) 20px; align-items: stretch; gap: 4px; padding: 5px; border: 1px solid var(--preview-line); border-radius: 9px; background: var(--preview-surface); overflow: hidden; }
.palette-preview-rail { display: flex; flex-direction: column; gap: 4px; padding: 4px 3px; border-radius: 4px; background: var(--preview-soft); }
.palette-preview-rail i { height: 3px; border-radius: 3px; background: var(--preview-accent); opacity: .65; }
.palette-preview-page { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.palette-preview-header { height: 5px; width: 62%; border-radius: 3px; background: var(--preview-accent); }
.palette-preview-metric { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; height: 15px; }
.palette-preview-metric b:first-child { border-radius: 3px; background: var(--preview-accent); }
.palette-preview-metric b:last-child { border: 1px solid var(--preview-line); border-radius: 3px; background: color-mix(in srgb, var(--preview-soft) 58%, white); }
.palette-preview-rows { display: flex; flex-direction: column; gap: 2px; }
.palette-preview-rows b { height: 2px; border-radius: 2px; background: var(--preview-line); }
.palette-preview-grade { align-self: center; display: grid; place-items: center; width: 19px; height: 19px; border-radius: 6px; color: white; background: var(--preview-accent); font-size: 9px; font-weight: 900; }
.palette-option-name { display: block; margin: 7px 2px 1px; overflow: hidden; font-size: 10px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.palette-dialog-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; }
.palette-dismiss, .palette-confirm { min-height: 44px; border: 0; border-radius: 12px; padding: 0 16px; cursor: pointer; font-size: 11px; font-weight: 800; }
.palette-dismiss { color: var(--muted); background: transparent; }
.palette-dismiss:hover { color: var(--ink); background: var(--cream); }
.palette-confirm { min-width: 150px; color: var(--button-text); background: var(--green); box-shadow: 0 6px 16px color-mix(in srgb, var(--green) 22%, transparent); }
.palette-confirm:hover { background: var(--green-dark); }
@keyframes palette-appear { from { opacity: 0; transform: translateY(9px) scale(.985); } to { opacity: 1; transform: translateY(0) scale(1); } }

@media (max-width: 760px) {
  .palette-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 16px); border-radius: 20px; }
  .palette-dialog-card { padding: 21px 15px calc(17px + env(safe-area-inset-bottom)); }
  .palette-dialog-card > p { margin-bottom: 14px; font-size: 11px; }
  .palette-grid { gap: 6px; }
  .palette-option { padding: 6px; border-radius: 11px; }
  .palette-preview { height: 46px; grid-template-columns: 9px minmax(0, 1fr) 17px; gap: 3px; padding: 4px; }
  .palette-preview-grade { width: 16px; height: 16px; font-size: 8px; }
  .palette-option-name { margin-top: 6px; font-size: 9px; }
  .palette-dialog-footer { margin-top: 13px; }
}

@media (max-width: 350px) {
  .palette-preview { height: 40px; }
  .palette-option { padding: 5px; }
  .palette-option-name { font-size: 8px; }
}