@font-face {
  font-family: "Geist Pixel Circle";
  src: url("/fonts/GeistPixel-Circle.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
:root {
  --bg: #000000;
  --text: #ffffff;
  --muted: #8e8e8e;
  --nav-text: #2e2e2e;
  --pill-dark: #28282a;
  --sign-in-text: #c8c8c8;
  --nav-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
  --trust-bg: #28282a;
  --trust-border: rgba(255, 255, 255, 0.4);
  --trust-text: #c4c2c3;
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-display: "BubbledotICG-FinePos", "Geist Pixel Circle", monospace;
  --surface: rgba(21, 22, 26, 0.86);
  --surface-soft: rgba(255, 255, 255, 0.045);
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffffff;
  --green: #a0dfc5;
  --red: #ffb3b3;
  --blue: #b7c9ed;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.25);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { width: 100%; height: 100%; }
body {
  margin: 0; min-width: 320px; height: 100vh; height: 100dvh;
  overflow: hidden; background: #000; color: var(--text);
  font-family: var(--font-sans); font-size: 14px;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
}
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.5; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }
button { color: inherit; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid #b7c9ed; outline-offset: 5px; }
::selection { color: #000; background: #e4e8f5; }
.bg, #platform-wallpaper { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.bg { background: #000; }
.bg-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; pointer-events: none; z-index: 0; }
.bg::after { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.12); }
#platform-wallpaper { background-position: center; background-size: cover; background-repeat: no-repeat; }
.has-wallpaper .bg-video { visibility: hidden; }
.workspace-mode .bg::after { background: rgba(0,0,0,0.43); }
.app-shell { position: relative; z-index: 1; height: 100%; }
.loading { display: grid; place-items: center; height: 100%; color: var(--muted); letter-spacing: .1em; }
.page { display: flex; flex-direction: column; align-items: center; height: 100vh; height: 100dvh; overflow: hidden; padding: clamp(16px,2.4vh,28px) clamp(14px,3vw,32px); }
.site-header { position: relative; z-index: 50; display: flex; align-items: center; gap: clamp(18px,2.8vw,28px); width: 100%; max-width: 720px; flex-shrink: 0; animation: slideDown .7s cubic-bezier(.22,1,.36,1) both; }
.logo-button { display: grid; place-items: center; flex-shrink: 0; width: clamp(40px,4.4vw,46px); height: clamp(40px,4.4vw,46px); border-radius: 50%; background: #fff; box-shadow: var(--nav-shadow); transition: transform .25s; }
.logo-button img { width: 72%; height: 72%; object-fit: contain; }
.logo-button:hover { transform: scale(1.04); }
.nav-pill { display: flex; align-items: center; justify-content: space-around; gap: 2px; flex: 1; max-width: 430px; height: clamp(44px,5.2vw,48px); padding: 4px 8px; border-radius: 999px; background: #fff; box-shadow: var(--nav-shadow); }
.nav-pill a, .nav-pill button { position: relative; display: grid; place-items: center; min-width: 0; height: 100%; padding: 0 15px 3px; border: 0; background: transparent; color: var(--nav-text); font-size: clamp(13px,1.4vw,15px); font-weight: 500; letter-spacing: -.01em; opacity: .5; transition: opacity .2s; white-space: nowrap; }
.nav-pill a:hover, .nav-pill button:hover { opacity: .75; }
.nav-pill .active { opacity: 1; }
.nav-pill .active::after, .mobile-links .active::after { content: ""; position: absolute; width: 3px; height: 3px; bottom: 5px; left: calc(50% - 1.5px); border-radius: 50%; background: #000; box-shadow: -5px 0 #000, 5px 0 #000; }
.header-actions { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.sign-in { display: inline-flex; align-items: center; justify-content: center; gap: 14px; flex-shrink: 0; min-height: clamp(44px,5.2vw,48px); padding: 0 21px; border: 1px solid rgba(255,255,255,.08); border-radius: 999px; background: var(--pill-dark); color: var(--sign-in-text); box-shadow: var(--nav-shadow); font-weight: 500; font-size: 13px; white-space: nowrap; transition: background .2s, color .2s, transform .2s; }
.sign-in:hover { background: #323234; color: #fff; transform: translateY(-1px); }
.account-name { display: flex; align-items: center; gap: 8px; font-size: 12px; color: #c4c5ca; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.status-dot { display: inline-block; width: 5px; height: 5px; flex-shrink: 0; border-radius: 50%; background: #c4e6d7; box-shadow: 0 0 10px rgba(196,230,215,.25); }
.menu-toggle { display: none; }
.hero { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; flex: 1; min-height: 0; width: 100%; max-width: 900px; padding: 12px 0; text-align: center; }
.trust-row { --trust-size: clamp(36px,4.5vw,42px); display: inline-flex; align-items: center; margin-bottom: clamp(16px,2.5vh,26px); }
.trust-avatar { position: relative; display: grid; flex-shrink: 0; width: var(--trust-size); height: var(--trust-size); padding: 5px; border: 1px solid var(--trust-border); border-radius: 50%; background: var(--trust-bg); transition: transform .35s; }
.trust-avatar > span { display: grid; place-items: center; border-radius: 50%; background: #fff; color: #111; font-size: calc(var(--trust-size)*.34); }
.trust-avatar + .trust-avatar { margin-left: calc(var(--trust-size)*-.42); }
.a1 { z-index: 1; }.a2 { z-index: 2; }.a3 { z-index: 4; }
.trust-row:hover .a1, .trust-row:hover .a3 { transform: translateY(-2px); }
.trust-row:hover .a2 { transform: translateY(-4px); }
.trust-pill { display: inline-flex; align-items: center; height: var(--trust-size); margin-left: calc(var(--trust-size)*-.42); padding: 0 17px 0 calc(var(--trust-size)*.58); border: 1px solid var(--trust-border); border-radius: 999px; background: var(--trust-bg); color: var(--trust-text); font-size: clamp(12px,1.4vw,13.5px); font-weight: 500; white-space: nowrap; }
.headline { margin: 0; font-family: var(--font-display); font-size: clamp(32px,5.2vw,72px); font-weight: 400; line-height: 1.35; letter-spacing: -.04em; color: #fff; white-space: nowrap; overflow: hidden; }
.headline.anim { opacity: 1; filter: none; transform: none; animation: none; }
.headline > span { display: block; opacity: 0; transform: translateY(14px); animation: headlineFade .85s cubic-bezier(.22,1,.36,1) forwards; }
.headline > span:first-child { animation-delay: .12s; }.headline > span:last-child { animation-delay: .3s; }
.subhead { max-width: min(500px,92%); margin: 22px 0 26px; color: #d0d0d0; opacity: .8; font-size: clamp(calc(13.5px + 2pt),calc(1.55vw + 2pt),calc(16.5px + 2pt)); line-height: 1.75; font-weight: 400; }
.hero-cta { display: inline-flex; align-items: center; justify-content: center; gap: 23px; border: none; border-radius: 999px; padding: clamp(11px,1.6vh,13px) clamp(22px,3vw,28px); background: #fff; color: #000; font-size: clamp(13.5px,1.5vw,14.5px); font-weight: 600; box-shadow: 0 0 0 1px rgba(255,255,255,.15),0 0 22px rgba(255,255,255,.32),0 0 44px rgba(255,255,255,.12); transition: transform .25s,box-shadow .25s; }
.hero-cta.anim { animation-name: revealPulse; }
.hero-cta:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 0 0 1px rgba(255,255,255,.25),0 0 32px rgba(255,255,255,.44),0 0 60px rgba(255,255,255,.2); }
.hero-note { margin-top: 18px; font-size: 11px; letter-spacing: .03em; color: #a7a8af; }
.landing-footer { position: relative; z-index: 1; flex-shrink: 0; width: 100%; max-width: 1120px; }
.landing-stats { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); width: 100%; max-width: 920px; margin: 0 auto; }
.landing-stat { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.stat-symbol { font-family: var(--font-display); font-size: clamp(22px,3vw,33px); color: #fff; line-height: 1; margin-bottom: 3px; }
.stat-number { font-size: clamp(18px,2.2vw,26px); font-weight: 500; letter-spacing: -.025em; font-variant-numeric: tabular-nums; }
.landing-stat > span:last-child { font-size: clamp(11px,1.2vw,12.5px); color: var(--muted); }
.footer-meta, .workspace-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: clamp(20px,3.7vh,40px); font-size: 10px; color: #7e7f89; }
.footer-meta button, .workspace-footer button { padding: 5px 0; border: 0; background: none; font-size: inherit; color: #aaaab2; }
.anim { opacity: 0; transform: translateY(22px) scale(.98); filter: blur(6px); animation: reveal .85s cubic-bezier(.22,1,.36,1) forwards; animation-delay: var(--d,0s); }
.workspace-page { gap: 24px; }
.workspace-page .site-header { max-width: 1200px; animation-duration: .45s; }
.workspace-page .nav-pill { margin-left: 6px; max-width: 430px; }
.main { position: relative; z-index: 1; flex: 1; min-height: 0; width: 100%; max-width: 1200px; overflow: auto; overscroll-behavior: contain; scrollbar-gutter: stable; padding: clamp(22px,3vw,38px); border: 1px solid rgba(255,255,255,.14); border-radius: 28px; background: rgba(11,12,15,.81); backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px); scrollbar-width: thin; scrollbar-color: #45464c transparent; }
.workspace-kicker { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; color: #9d9fa9; font-size: 11px; letter-spacing: .08em; }
.session-label { margin-left: auto; font-size: 10px; letter-spacing: .02em; color: #7c7e88; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 30px; }
.page-head h2 { margin: 0 0 10px; font-size: clamp(24px,3vw,34px); letter-spacing: -.04em; font-weight: 500; }
.page-head p { margin: 0; color: #9c9da8; font-size: 13px; line-height: 1.6; }
.stats { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0; margin-bottom: 30px; padding: 23px 0; border-block: 1px solid var(--line); }
.stat { padding: 0 24px; border-right: 1px solid var(--line); }.stat:first-child { padding-left: 0; }.stat:last-child { border-right: 0; }
.stat > span { display: block; color: #9c9da8; font-size: 11px; }
.stat strong { display: block; margin-top: 10px; font-family: var(--font-sans); font-size: 30px; font-weight: 400; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.stat small { margin-left: 8px; font-size: 10px; font-weight: 400; color: #7d7f8b; }
.assignment-group-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 15px; }
.assignment-group-head h3 { display: flex; align-items: center; gap: 10px; margin: 0; font-weight: 500; font-size: 16px; letter-spacing: -.02em; }
.assignment-list { display: grid; gap: 16px; }
.assignment-card { display: grid; grid-template-columns: minmax(0,1fr) minmax(270px,.8fr); gap: 30px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.035); }
.assignment-card h3 { margin: 0 0 14px; font-size: 18px; font-weight: 500; line-height: 1.6; overflow-wrap: anywhere; }
.assignment-info { min-width: 0; }.assignment-info > p { margin: 18px 0; color: #a9aab5; font-size: 13px; line-height: 1.8; white-space: pre-wrap; overflow-wrap: anywhere; }
.assignment-submit { min-width: 0; padding-left: 27px; border-left: 1px solid var(--line); }
.meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.badge { display: inline-flex; align-items: center; min-height: 24px; padding: 4px 9px; border: 1px solid rgba(255,255,255,.08); border-radius: 999px; background: rgba(255,255,255,.035); color: #a4a6b1; font-size: 10px; line-height: 1.4; }
.badge.open, .badge.submitted { background: rgba(111,196,161,.08); border-color: rgba(111,196,161,.15); color: #aedcc6; }
.badge.closed, .badge.missing { background: rgba(233,169,157,.06); color: #d4b0a9; border-color: rgba(233,169,157,.12); }
.submission-status { display: grid; gap: 11px; padding: 15px 16px; border: 1px solid var(--line); border-radius: 11px; background: rgba(0,0,0,.1); overflow-wrap: anywhere; }
.submission-status strong { display: block; margin-bottom: 6px; font-size: 12px; font-weight: 500; }.submission-status span { display: block; margin-top: 5px; font-size: 11px; color: #92949f; line-height: 1.7; }
.submission-status.missing { border-color: rgba(228,180,150,.1); }.submission-status.missing strong { color: #cfb7a7; }.submission-status.submitted strong { color: #b3dcc7; }
.submission-status .button { padding: 6px 11px; min-height: 31px; font-size: 10px; }
.upload-form, .form-grid { display: grid; gap: 17px; }
.field { display: grid; gap: 8px; min-width: 0; }
.field > span, .field > label { color: #b6b7c1; font-size: 12px; }
input, textarea, select { width: 100%; min-width: 0; border: 1px solid rgba(255,255,255,.13); border-radius: 10px; background: rgba(255,255,255,.045); color: #eeeef1; outline: none; transition: border-color .2s, background .2s; color-scheme: dark; }
input, select { height: 44px; padding: 0 13px; }textarea { min-height: 110px; padding: 12px 13px; resize: vertical; line-height: 1.7; }
input::placeholder, textarea::placeholder { color: #626571; }
input:focus, textarea:focus, select:focus { border-color: #9d9faa; background: rgba(255,255,255,.065); box-shadow: 0 0 0 3px rgba(255,255,255,.04); }
input[type=file] { padding: 10px; height: auto; min-height: 53px; font-size: 11px; }
input[type=file]::file-selector-button { margin-right: 12px; border: 0; padding: 7px 11px; border-radius: 999px; background: #e2e3e8; color: #17181d; font: inherit; cursor: pointer; }
.file-line { display: grid; gap: 11px; }.file-line .hint { margin: 0; }.file-line .button { justify-self: stretch; }
.button, .tab-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 10px 17px; border: 1px solid transparent; border-radius: 999px; background: #f1f1f3; color: #15161a; font-size: 12px; font-weight: 500; line-height: 1.4; white-space: nowrap; transition: background .2s, border-color .2s, transform .2s; }
.button:hover { background: #fff; transform: translateY(-1px); }.button.secondary { border-color: rgba(255,255,255,.16); background: rgba(255,255,255,.035); color: #d2d3dc; }.button.secondary:hover { border-color: #747682; background: rgba(255,255,255,.08); }
.button.danger { border-color: rgba(244,163,163,.15); background: rgba(244,163,163,.06); color: #e8b1b1; }.button.danger:hover { background: rgba(244,163,163,.14); }
.button.ghost { border: 0; background: none; color: #a2a4af; }
.button-row, .tools { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.hint { margin-top: 0; color: #9295a1; font-size: 11px; line-height: 1.8; }.error { color: #e8b1b1; }
.assignment-history { margin-top: 23px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.02); overflow: hidden; }
.assignment-history > summary, .wallpaper-settings > summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 23px; list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.history-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 11px; }.history-heading strong { font-size: 14px; font-weight: 500; }
.history-heading .hint { margin: 0; }
.details-indicator { display: flex; align-items: center; flex-shrink: 0; gap: 12px; color: #b5b7c2; font-size: 11px; }
.details-chevron { display: inline-block; font-size: 21px; line-height: 1; }
details[open] > summary .details-chevron { transform: rotate(180deg); }
details:not([open]) > summary .when-open, details[open] > summary .when-closed { display: none; }
.history-list { padding: 0 18px 18px; }.history-list .assignment-card { grid-template-columns: 1fr; gap: 0; }.history-list .assignment-submit { border: 0; padding: 0; margin-top: 12px; }.history-list .assignment-submit > p { margin: 0; }
.empty { padding: 34px 20px; border: 1px dashed rgba(255,255,255,.16); border-radius: 16px; color: #9598a4; font-size: 12px; text-align: center; line-height: 1.8; }
.panel { min-width: 0; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.025); }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 15px; padding: 22px 23px 0; }.panel-head h3 { margin: 0 0 6px; font-size: 16px; font-weight: 500; }.panel-head p { margin: 0; font-size: 12px; color: #9597a4; }.panel-body { padding: 23px; }
.grid-two { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 18px; align-items: start; }
.check-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }.check-grid label { display: flex; align-items: center; gap: 8px; padding: 9px 8px; border: 1px solid var(--line); border-radius: 8px; color: #b7b9c4; font-size: 10px; }.check-grid input { width: 14px; height: 14px; margin: 0; accent-color: #ddd; }
.format-panel { display: grid; gap: 13px; padding: 15px; border: 1px solid var(--line); border-radius: 12px; background: rgba(0,0,0,.08); }.format-panel-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }.format-panel-head strong { font-size: 12px; font-weight: 500; }.format-panel-head span { color: #777b89; font-size: 10px; }
.evidence-bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 24px; padding: 17px 20px; border: 1px solid rgba(151,205,177,.14); border-radius: 14px; background: rgba(124,185,152,.035); }
.evidence-bar > div:first-child { min-width: 0; }.evidence-bar strong { display: block; font-size: 12px; color: #b7d5c5; font-weight: 500; }.evidence-bar span { display: block; margin-top: 5px; color: #7e9589; font-size: 10px; line-height: 1.7; overflow-wrap: anywhere; }.evidence-bar.invalid { border-color: rgba(232,177,177,.3); }.evidence-bar.invalid strong { color: #e8b1b1; }.evidence-bar .button { min-height: 34px; padding: 8px 12px; font-size: 10px; }
.student-list { display: grid; gap: 8px; max-height: 380px; overflow: auto; scrollbar-width: thin; scrollbar-color: #45464c transparent; }.student-row { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--line); }.student-row strong { display: block; font-size: 12px; font-weight: 500; }.student-row span { display: block; margin-top: 5px; font-size: 10px; color: #8b8e9b; }.student-row .button { min-height: 30px; padding: 6px 10px; font-size: 10px; }
.table-wrap { max-width: 100%; overflow: auto; scrollbar-width: thin; scrollbar-color: #45464c transparent; }
table { width: 100%; border-collapse: collapse; font-size: 11px; }th, td { padding: 15px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }th { color: #838693; font-size: 10px; font-weight: 500; white-space: nowrap; }td { min-width: 110px; color: #c5c7d1; line-height: 1.8; }td strong { font-weight: 500; }td .hint { margin-top: 6px; font-size: 10px; min-width: 130px; }td .tools { margin-top: 8px; }td .button { min-height: 29px; padding: 6px 10px; font-size: 10px; }td:last-child .tools { min-width: 170px; }
.compact-form { display: flex; gap: 7px; margin-top: 8px; }.compact-form input { min-width: 185px; height: 32px; font-size: 10px; }
.submission-sort-tabs { display: inline-flex; flex-wrap: wrap; gap: 4px; margin-bottom: 16px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(0,0,0,.15); }.tab-button { background: transparent; color: #8f93a1; padding: 7px 14px; min-height: 32px; font-size: 11px; }.tab-button.active { background: #dddfe6; color: #18191e; }
.submission-success { display: grid; gap: 12px; padding: 15px; margin-bottom: 15px; border: 1px solid rgba(151,205,177,.23); border-radius: 12px; background: rgba(124,185,152,.06); }.submission-success strong, .submission-success span { display: block; font-size: 11px; margin-top: 6px; line-height: 1.7; }.submission-success strong { color: #b7d5c5; font-weight: 500; }.submission-success span { color: #8da99b; }.hash-line, code { overflow-wrap: anywhere; word-break: break-word; }code { font-family: ui-monospace,monospace; font-size: .9em; }
.workspace-footer { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line); }
.wallpaper-settings { margin-bottom: 20px; }.wallpaper-settings > summary > span:first-child { display: grid; gap: 7px; }.wallpaper-settings summary strong { font-size: 14px; font-weight: 500; }.wallpaper-settings summary .hint { margin: 0; }
.wallpaper-settings-body { display: grid; grid-template-columns: minmax(0,1fr) minmax(260px,1fr); gap: 30px; padding-top: 2px; }
.wallpaper-help, #wallpaper-preview-status { margin: 0; }.wallpaper-settings input[type=range] { height: 24px; padding: 0; cursor: pointer; accent-color: #dddfe5; box-shadow: none; }.wallpaper-range-labels { display: flex; justify-content: space-between; gap: 10px; margin-top: -12px; }#wallpaper-transparency { margin-left: 9px; color: #fff; font-weight: 500; font-variant-numeric: tabular-nums; }
.wallpaper-preview-wrap { display: grid; align-content: start; gap: 12px; min-width: 0; }.wallpaper-preview { position: relative; min-height: 248px; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #08090c; font-size: 11px; }.wallpaper-preview-image { position: absolute; inset: 0; background-size: cover; background-position: center; }.wallpaper-preview-sidebar { position: relative; display: flex; align-items: center; justify-content: space-between; margin: 15px; padding: 9px 12px; border-radius: 999px; background: #edeef1; color: #27282c; font-size: 10px; }.wallpaper-preview-sidebar span { font-size: 9px; }.wallpaper-preview-main { position: relative; display: grid; gap: 14px; padding: 5px 18px 18px; }.wallpaper-preview-main > strong { font-size: 14px; font-weight: 400; }.wallpaper-preview-card { display: grid; gap: 7px; padding: 13px; border: 1px solid var(--line); border-radius: 10px; background: rgba(17,19,24,.85); color: #dddfe7; }.wallpaper-preview-card span { color: #858a99; font-size: 9px; }
.preview-backdrop { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 20px; background: rgba(0,0,0,.64); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); animation: overlayIn .2s both; }
.auth-modal, .guide-modal, .preview-modal, .history-modal, .assignment-modal, .password-modal { position: relative; max-height: calc(100dvh - 40px); border: 1px solid rgba(255,255,255,.16); border-radius: 26px; background: #14151a; box-shadow: 0 28px 100px rgba(0,0,0,.45); overflow: auto; scrollbar-width: thin; scrollbar-color: #45464c transparent; animation: menuIn .3s cubic-bezier(.22,1,.36,1) both; }
.auth-modal { width: min(420px,100%); padding: 32px; }.auth-modal h2 { margin: 8px 0 12px; font-size: 30px; font-weight: 400; letter-spacing: -.04em; }.auth-modal .form-grid { margin-top: 25px; }.auth-modal .button { margin-top: 4px; min-height: 44px; }.auth-hint { margin: 22px 0 0; color: #737785; font-size: 10px; line-height: 1.9; }.modal-brand { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: #fff; margin-bottom: 24px; }.modal-brand img { width: 72%; height: 72%; object-fit: contain; }.eyebrow { margin: 0 0 8px; color: #858997; font-size: 10px; letter-spacing: .14em; }
.icon-button { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 50%; background: rgba(255,255,255,.04); color: #bfc1cc; font-size: 22px; font-weight: 400; }.icon-button:hover { background: rgba(255,255,255,.1); }.modal-close { position: absolute; top: 18px; right: 18px; }
.guide-modal { width: min(620px,100%); }.preview-head { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 19px 23px; border-bottom: 1px solid var(--line); }.preview-head strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; font-size: 13px; font-weight: 500; }.preview-head h2 { margin: 0; font-size: 25px; font-weight: 400; letter-spacing: -.03em; }.guide-body { padding: 25px; }.guide-steps { display: grid; gap: 26px; margin: 0 0 28px; padding: 0; list-style: none; }.guide-steps li { display: flex; align-items: flex-start; gap: 18px; }.guide-steps li > span { min-width: 32px; padding-top: 3px; font-family: var(--font-display); color: #a8afbd; font-size: 18px; }.guide-steps h3 { margin: 0 0 8px; font-size: 14px; font-weight: 500; }.guide-steps p { margin: 0; color: #9195a3; font-size: 12px; line-height: 1.9; }.font-credit { margin-bottom: 0; font-size: 9px; color: #636875; }.font-credit a { text-decoration: underline; }
.preview-modal { display: grid; grid-template-rows: auto minmax(0,1fr); width: min(1100px,100%); height: min(820px,calc(100dvh - 40px)); overflow: hidden; }.preview-frame { width: 100%; height: 100%; border: 0; background: #fff; }
.history-modal, .assignment-modal { display: grid; grid-template-rows: auto minmax(0,1fr); width: min(950px,100%); overflow: hidden; }.history-modal .table-wrap { overflow: auto; padding: 6px 18px 18px; }.assignment-modal { width: min(680px,100%); }.assignment-edit-form { overflow: auto; padding: 23px; }
.password-modal { width: min(420px,100%); padding: 28px; }.password-modal h2 { margin: 0 0 12px; font-size: 24px; font-weight: 400; }.password-modal p { margin-bottom: 22px; }
.toast { position: fixed; z-index: 120; right: 24px; bottom: 24px; max-width: min(440px,calc(100vw - 40px)); border: 1px solid rgba(255,255,255,.14); border-radius: 14px; padding: 14px 19px; color: #f3f3f6; font-size: 12px; line-height: 1.7; box-shadow: var(--shadow); opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity .2s,transform .2s; }.toast.show { opacity: 1; transform: translateY(0); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes headlineFade { to { opacity: 1; transform: translateY(0); } }
@keyframes reveal { to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); } }
@keyframes revealPulse { to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); } }
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes menuIn { from { opacity: 0; transform: translateY(-12px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes linkIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 721px) { .mobile-menu { display: none !important; } }
@media (max-width: 1000px) { .account-name { display: none; }.site-header { gap: 18px; }.assignment-card { gap: 22px; padding: 22px; }.assignment-submit { padding-left: 22px; }.grid-two { grid-template-columns: 1fr; }.student-row .tools { flex-wrap: nowrap; } }
@media (max-width: 720px) {
  .site-header { justify-content: space-between; max-width: 100%; }.logo-button, .menu-toggle { width: 48px; height: 48px; }.nav-pill, .header-actions { display: none; }
  .menu-toggle { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; flex-shrink: 0; border: 1px solid rgba(255,255,255,.08); border-radius: 50%; background: #28282a; box-shadow: var(--nav-shadow); }
  .menu-toggle span { width: 18px; height: 1.5px; background: #fff; transition: transform .25s,opacity .2s; }
  .menu-open .menu-toggle { background: #fff; }.menu-open .menu-toggle span { background: #000; }.menu-open .menu-toggle span:first-child { transform: translateY(6.5px) rotate(45deg); }.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }.menu-open .menu-toggle span:last-child { transform: translateY(-6.5px) rotate(-45deg); }
  .mobile-menu { position: fixed; inset: 0; z-index: 40; }.menu-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.62); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); animation: overlayIn .28s both; }
  .mobile-sheet { position: relative; width: calc(100% - 28px); max-width: 420px; max-height: calc(100dvh - 100px); overflow: auto; margin: 85px auto 0; border-radius: 28px; padding: 22px 18px 20px; background: #fff; color: #2e2e2e; box-shadow: 0 20px 60px rgba(0,0,0,.45); animation: menuIn .38s cubic-bezier(.22,1,.36,1) both; }
  .mobile-links { display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }.mobile-links a, .mobile-links button { position: relative; display: block; padding: 16px; min-height: 50px; border: 0; border-radius: 12px; background: transparent; text-align: center; color: #777; font-size: 14px; animation: linkIn .35s both; }.mobile-links > :nth-child(2) { animation-delay: .04s; }.mobile-links > :nth-child(3) { animation-delay: .08s; }.mobile-links > :nth-child(4) { animation-delay: .12s; }.mobile-links .active { color: #111; }.mobile-links .active::after { bottom: 8px; }.mobile-sheet > .sign-in { width: 100%; animation: linkIn .35s .16s both; }
  .headline { font-size: clamp(33px,7.4vw,53px); letter-spacing: -.08em; line-height: 1.3; }.subhead { margin: 19px 0 24px; font-size: 14px; line-height: 1.8; }.hero-note { font-size: 10px; }.hero { padding: 14px 0; }
  .landing-stats { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 20px; max-width: 460px; }.landing-stat { gap: 6px; }.stat-symbol { font-size: 23px; margin: 0; }.stat-number { font-size: 20px; }.footer-meta { margin-top: 22px; font-size: 8px; }
  .workspace-page { gap: 16px; }.main { border-radius: 22px; padding: 23px 19px; }.page-head { margin-bottom: 24px; align-items: flex-start; }.page-head h2 { font-size: 26px; }.page-head p { font-size: 11px; }.page-head .button { padding: 9px 12px; min-height: 34px; font-size: 10px; }.page-head .button-row { justify-content: flex-end; }
  .stats { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 20px; padding-block: 20px; margin-bottom: 26px; }.stat { padding: 0 18px; }.stat:nth-child(3) { padding-left: 0; }.stat:nth-child(2) { border-right: 0; }.stat strong { font-size: 26px; margin-top: 8px; }.stat > span { font-size: 10px; }
  .assignment-group-head > .hint { display: none; }.assignment-card { grid-template-columns: 1fr; padding: 19px; gap: 20px; }.assignment-submit { padding: 20px 0 0; border: 0; border-top: 1px solid var(--line); }.assignment-card h3 { font-size: 16px; }.assignment-info > p { font-size: 12px; margin: 15px 0; }.badge { font-size: 9px; }.assignment-group-head h3 { font-size: 15px; }.history-heading .hint { width: 100%; font-size: 10px; }.assignment-history > summary, .wallpaper-settings > summary { padding: 18px; }.history-list { padding: 0 10px 10px; }.history-list .assignment-card { padding: 16px; }
  .panel-head { padding: 20px 18px 0; }.panel-body { padding: 18px; }.evidence-bar { display: grid; gap: 14px; padding: 17px; }.evidence-bar .tools { justify-self: start; }.wallpaper-settings-body { grid-template-columns: 1fr; gap: 22px; padding-top: 0; }.wallpaper-settings .button-row { display: grid; grid-template-columns: 1fr 1fr; }.wallpaper-settings .button-row .button:first-child { grid-column: 1 / -1; }.wallpaper-preview { min-height: 235px; }
  .student-row { grid-template-columns: 1fr; }.student-row .tools { flex-wrap: wrap; }.workspace-footer { font-size: 8px; gap: 8px; }.preview-backdrop { padding: 12px; }.auth-modal { padding: 29px 25px; }.guide-body { padding: 22px; }.preview-head { padding: 18px; }.auth-modal, .guide-modal, .preview-modal, .history-modal, .assignment-modal, .password-modal { max-height: calc(100dvh - 24px); border-radius: 22px; }.preview-modal { height: calc(100dvh - 24px); }.assignment-edit-form { padding: 18px; }.guide-steps { gap: 23px; }.guide-steps li { gap: 12px; }
}
@media (max-width: 420px) { .trust-row { --trust-size: 34px; }.trust-pill { padding-right: 13px; font-size: 11px; }.headline { font-size: clamp(30px,8.8vw,37px); letter-spacing: -.09em; }.subhead { max-width: 96%; font-size: 12px; }.hero-note { font-size: 9px; }.main { padding: 22px 16px; }.workspace-kicker { font-size: 10px; }.page-head .button-row { gap: 5px; }.page-head .button { font-size: 9px; padding: 8px 10px; }.page-head h2 { font-size: 23px; }.footer-meta > span { max-width: 220px; } }
@media (max-height: 700px) { .page { padding-top: 14px; padding-bottom: 14px; }.hero { padding: 8px 0; }.trust-row { margin-bottom: 12px; }.headline { font-size: clamp(30px,4.7vw,60px); line-height: 1.16; }.subhead { margin: 14px 0 18px; }.hero-note { margin-top: 12px; }.footer-meta { margin-top: 15px; }.landing-stat { gap: 5px; }.landing-stats { row-gap: 14px; }.stat-symbol { font-size: 22px; }.stat-number { font-size: 19px; } }
@media (max-width: 720px) and (max-height: 700px) { .headline { font-size: 31px; line-height: 1.25; }.subhead { margin: 12px 0 18px; font-size: 12px; }.landing-stats { row-gap: 16px; }.landing-stat { gap: 4px; }.hero-cta { padding: 11px 23px; }.hero-note { margin-top: 11px; font-size: 9px; }.footer-meta { margin-top: 17px; }.trust-row { margin-bottom: 13px; } }
@media (max-height: 490px) and (min-width: 560px) { .landing-stats { grid-template-columns: repeat(4,minmax(0,1fr)); max-width: 920px; }.hero { padding: 5px 0; }.trust-row { --trust-size: 28px; margin-bottom: 8px; }.headline { font-size: 27px; line-height: 1.15; }.subhead { margin: 8px 0 10px; font-size: 11px; }.hero-note { display: none; }.hero-cta { padding: 9px 21px; font-size: 12px; }.landing-stat { gap: 3px; }.stat-symbol { font-size: 18px; }.stat-number { font-size: 16px; }.footer-meta { margin-top: 10px; }.landing-stat > span:last-child { font-size: 9px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }.anim, .headline > span { opacity: 1; transform: none; filter: none; }.headline { color: #fff; }.bg-video { opacity: .72; } }
/* Keep the shared header still while forms and dialogs update. */
.steady-view .site-header { animation: none; }
.steady-view .hero .anim, .steady-view .headline > span, .steady-view .landing-stat.anim { animation: none; opacity: 1; filter: none; transform: none; }
.subhead.anim { animation-name: revealMuted; }
@keyframes revealMuted { to { opacity: .8; transform: translateY(0) scale(1); filter: blur(0); } }
.hero-cta.anim:hover { animation: none; opacity: 1; filter: none; transform: translateY(-2px) scale(1.02); }
.feature-title { font-size: clamp(17px,1.8vw,22px); letter-spacing: .02em; }
.landing-stat > span:last-child { max-width: 94%; text-align: center; line-height: 1.6; }
.submission-record-details { margin-top: 10px; }
.submission-record-details > summary { cursor: pointer; color: #a6aab8; font-size: 11px; list-style: none; }
.submission-record-details > summary::after { content: " +"; color: #6d7281; }
.submission-record-details[open] > summary::after { content: " −"; }
.stat > span { font-size: 12px; }
.hint { font-size: 12px; }
.badge { font-size: 11px; }
table { font-size: 12px; }th { font-size: 11px; }
.evidence-bar span { font-size: 11px; }
@media(max-width:720px) { .hint { font-size: 11px; }.badge { font-size: 10px; }.stat > span { font-size: 11px; }.evidence-bar span { font-size: 10px; } }
@media(max-width:720px) and (max-height:580px) {
  .hero-note { display: none; }.hero { padding: 4px 0; }.trust-row { --trust-size: 30px; margin-bottom: 8px; }
  .headline { font-size: 28px; line-height: 1.2; }.subhead { font-size: 11px; line-height: 1.6; margin: 10px 0 14px; }
  .hero-cta { padding: 10px 23px; font-size: 12px; }.landing-stats { row-gap: 12px; }.stat-symbol { font-size: 19px; }
  .feature-title { font-size: 16px; }.landing-stat > span:last-child { font-size: 9px; }.footer-meta { margin-top: 14px; }
}