@import url('https://fonts.googleapis.com/css2?family=Noto+Serif:wght@500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  color-scheme: dark;
  font: 16px/1.55 "Space Grotesk", system-ui, sans-serif;
  --bg: #0e1321;
  --panel: #161b2a;
  --line: #343949;
  --text: #dde2f6;
  --muted: #b9bfd1;
  --gold: #d4af37;
  --gold-light: #e4c65a;
  --gold-soft: #f0dfa0;
  --gold-border: #d4af3760;
  --gold-gradient: linear-gradient(135deg, var(--gold), var(--gold-light));
  --purple: #ebb2ff;
  color: var(--text);
  background: var(--bg);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100svh; display: flex; flex-direction: column; }
body:has(.real-login) {
  background:
    linear-gradient(135deg, #080e1ce8, #0e1321f2),
    url("../img/galaxia.png") center / cover fixed;
}
a { color: var(--gold-light); text-underline-offset: .22em; }
button, select { font: inherit; }
button, select, .question { overflow-wrap: anywhere; }
.question-meta {
  display: flex;
  align-items: center;
  gap: .65rem;
  color: var(--gold-soft);
  font-size: .85rem;
  font-weight: 700;
}
.question-number {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  min-width: 2.25rem;
  min-height: 2.25rem;
  background: #d4af3717;
  border: 1px solid var(--gold-border);
  border-radius: .4rem;
}
.question fieldset { margin: 0; }
.question legend {
  width: 100%;
  padding: 0;
  margin-bottom: 1rem;
  color: #ffefd1;
  font: 600 clamp(1.15rem, 2.5vw, 1.5rem)/1.35 "Noto Serif", Georgia, serif;
}
.options { display: grid; grid-template-columns: minmax(0, 1fr); gap: .5rem; }
.option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: .6rem;
  min-height: 2.75rem;
  padding: .55rem .75rem;
  border: 1px solid var(--line);
  border-radius: .4rem;
  background: #080e1c44;
  cursor: pointer;
}
.option input { margin: .35rem 0 0; }
.option strong { color: var(--gold-soft); }
.option:hover { border-color: var(--gold-border); }
.option:has(:checked) { border-color: var(--gold); background: #d4af3717; }
.option-skip { color: var(--muted); border-style: dashed; }
.option-skip:has(:checked) { border-color: #777b90; background: #242a39; }
summary { cursor: pointer; }
:focus-visible { outline: 2px solid var(--purple); outline-offset: 4px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; padding: 1rem clamp(1rem, 5vw, 5rem); background: #080e1c; }
.top { border-bottom: 1px solid var(--gold-border); }
.brand { color: var(--text); display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; font: 600 1.2rem "Noto Serif", Georgia, serif; }
.brand img { display: block; flex: none; object-fit: contain; filter: drop-shadow(0 0 5px #d4af3770); }
.brand small { display: block; font: 600 .6rem "Space Grotesk", sans-serif; letter-spacing: .2em; }
nav { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
nav a, nav button { color: var(--text); text-decoration: none; background: transparent; padding: .4rem .65rem; border: 0; border-radius: .3rem; }
nav [aria-current="page"] { background: #392c6c; color: var(--gold-soft); box-shadow: inset 0 -2px var(--gold); }
.tag, .eyebrow { color: var(--purple); letter-spacing: .12em; font-size: .72rem; font-weight: 700; }
.tag { color: var(--gold-soft); border: 1px solid var(--gold-border); border-radius: .3rem; padding: .3rem .55rem; }
main { width: min(100%, 82rem); margin: auto; padding: clamp(1rem, 4vw, 4rem); flex: 1; }
.footer {
  padding: 2rem 1rem;
  text-align: center;
  background: #080e1c;
  border-top: 1px solid var(--gold-border);
}
.footer h2 { color: var(--gold-soft); }
.footer .social-links { justify-content: center; gap: .5rem; margin-bottom: 1.25rem; }
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid var(--gold-border);
  color: var(--gold-soft);
}
.social-links a:hover { background: #392c6c; }
.footer .copyright { margin: 0; font-size: .8rem; }
h1, h2, h3 { font-family: "Noto Serif", Georgia, serif; line-height: 1.15; margin: 0 0 .55em; font-weight: 600; color: #ffefd1; }
h1 { font-size: clamp(2.15rem, 5.8vw, 4.2rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.85rem); }
h3 { font-size: 1.18rem; }
p { margin: 0 0 1rem; color: var(--muted); }
.access { min-height: 70svh; display: grid; grid-template-columns: 1.25fr 1fr; align-items: center; gap: clamp(1rem, 6vw, 5rem); }
.intro { position: relative; isolation: isolate; overflow: hidden; padding: clamp(1rem, 4vw, 3rem);
  border: 1px solid var(--gold-border);
  border-radius: .7rem;
  background: linear-gradient(110deg, #080e1cf0, #0e132184), url("../img/galaxia.png") center / cover;
}
.orbit { position: absolute; z-index: -1; display: grid; place-items: center; width: 23rem; aspect-ratio: 1; right: -5rem; top: -4rem; border: 1px solid #7e658255; border-radius: 50%; color: #e8c26445; font-size: 9rem; background: radial-gradient(#65357855, transparent 66%); box-shadow: inset 0 0 0 2rem #65357812, inset 0 0 0 4rem #65357814; }
.panel, .hero { padding: clamp(1rem, 3vw, 1.65rem); background: var(--panel); border: 1px solid var(--line); border-radius: .7rem; min-width: 0; }
.hero {
  margin-bottom: 1.5rem;
  border-top-color: var(--gold-border);
  background: linear-gradient(100deg, #161b2a 25%, #161b2a80), url("../img/galaxia.png") center right / cover;
}
.hero .eyebrow, .intro .eyebrow { color: var(--gold-soft); }
.login { border-top-color: var(--gold-border); }
.login { padding: clamp(1.2rem, 4vw, 2.5rem); }
.real-login {
  background:
    linear-gradient(135deg, #161b2af2, #0e1321e8),
    url("../img/galaxia.png") center / cover;
}
fieldset { padding: 0; margin: 0 0 1rem; border: 0; min-width: 0; }
legend { margin-bottom: .6rem; font-weight: 700; }
.roles, .actions { display: flex; flex-wrap: wrap; gap: .65rem; }
.roles label { display: block; padding: .65rem; border: 1px solid var(--line); border-radius: .4rem; cursor: pointer; }
.roles label:has(:checked) { border-color: var(--purple); background: #362540; }
input[type="radio"] { accent-color: var(--gold); }
.primary, .secondary { display: inline-block; border: 1px solid transparent; border-radius: .38rem; padding: .65rem .95rem; font-weight: 700; text-decoration: none; }
.primary {
  background: var(--gold-gradient);
  border-color: var(--gold);
  color: #2b2156;
  box-shadow: 0 0 12px #d4af3724;
}
.primary:hover { box-shadow: 0 0 18px #d4af3755; }
.access-switch { display: flex; gap: .65rem; margin: 1.25rem 0; }
.access-panel[hidden] { display: none !important; }
.access-switch button[aria-selected="true"] { box-shadow: 0 0 18px #d4af3755; }
.teacher-layout { display: grid; grid-template-columns: minmax(12rem, 15rem) minmax(0, 1fr); gap: 1.25rem; align-items: start; transition: grid-template-columns .2s ease; }
.teacher-layout.sidebar-collapsed { grid-template-columns: 3.25rem minmax(0, 1fr); }
.teacher-sidebar { position: sticky; top: 1rem; display: grid; gap: .35rem; padding: 1rem; background: #080e1ccc; border: 1px solid var(--line); border-radius: .7rem; overflow: hidden; }
.teacher-sidebar-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.teacher-sidebar-head .eyebrow { margin: .25rem 0 .5rem; white-space: nowrap; }
.teacher-nav-group { margin: 1rem .65rem .25rem; color: var(--gold-soft); font-size: .7rem; font-weight: 700; letter-spacing: .12em; }
.teacher-toggle { flex: 0 0 2.2rem; width: 2.2rem; height: 2.2rem; padding: 0; border: 1px solid var(--gold-border); border-radius: .35rem; background: transparent; color: var(--gold-soft); cursor: pointer; font-size: 1.1rem; line-height: 1; }
.sidebar-collapsed .teacher-sidebar { padding: .6rem .35rem; }
.sidebar-collapsed .teacher-sidebar-head { justify-content: center; }
.sidebar-collapsed .teacher-sidebar-head .eyebrow, .sidebar-collapsed .teacher-nav { display: none; }
.teacher-sidebar .eyebrow { margin: .25rem .65rem .5rem; }
.teacher-nav { width: 100%; padding: .7rem .75rem; border: 1px solid transparent; border-radius: .4rem; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.teacher-nav:hover, .teacher-nav.active { border-color: var(--gold-border); background: #392c6c; color: var(--gold-soft); }
.account-nav-group { margin-top: .8rem; }
.account-nav-button { border-color: var(--gold-border); background: #d4af3720; color: var(--gold-soft); font-weight: 700; text-align: center; }
.teacher-content { min-width: 0; }
.account-status { max-width: 58rem; margin: clamp(2rem, 8vw, 6rem) auto; text-align: center; }
.student-dashboard { display: block; }
.student-layout { display: grid; grid-template-columns: minmax(12rem, 15rem) minmax(0, 1fr); gap: 1.25rem; align-items: start; }
.student-sidebar { position: sticky; top: 1rem; display: grid; gap: .35rem; padding: 1rem .7rem; background: #0d1425dd; border: 1px solid var(--line); border-radius: .7rem; }
.student-sidebar .eyebrow { margin: .25rem .65rem .5rem; }
.student-nav { width: 100%; padding: .7rem .75rem; border: 1px solid transparent; border-radius: .4rem; background: transparent; color: var(--text); text-align: left; cursor: pointer; font: inherit; }
.student-nav:hover, .student-nav.active { border-color: var(--gold-border); background: #392c6c; color: var(--gold-soft); }
.student-subnav { display: grid; gap: .2rem; padding-left: .7rem; border-left: 1px solid var(--gold-border); }
.student-subnav .student-nav { padding-block: .45rem; font-size: .92rem; }
.student-content { display: grid; gap: 1.25rem; min-width: 0; }
.course-content-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.25rem; }
.course-content-card { display: grid; align-content: start; gap: .55rem; min-height: 13rem; padding: 1.1rem; border: 1px solid var(--line); border-radius: .55rem; background: #11182a; }
.course-content-card h3 { margin: 0; color: var(--gold-soft); }
.course-content-card p { margin: 0; }
.content-link { width: fit-content; text-decoration: none; }
.course-content-card button:disabled { opacity: .55; cursor: not-allowed; }
.feedback-card { border-color: var(--gold-border); }
.performance-summary, .subject-averages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1.25rem 0; }
.performance-card, .subject-averages article { padding: 1rem; border: 1px solid var(--line); border-radius: .5rem; background: #11182a; }
.performance-card { display: grid; gap: .35rem; }
.performance-card span, .performance-card small, .subject-averages span { color: var(--muted); }
.performance-card strong, .subject-averages strong { color: var(--gold-soft); font-size: 1.7rem; }
.subject-averages { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.subject-averages article { display: grid; gap: .5rem; }
.calendar-toolbar { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.calendar-month { color: var(--gold-soft); font-weight: 700; }
.calendar-note { color: var(--muted); font-size: .9rem; }
.class-schedule { display: grid; gap: .55rem; margin-top: 1rem; }
.schedule-item { display: grid; gap: .35rem; width: 100%; padding: 1rem; border: 1px solid var(--line); border-radius: .45rem; background: #11182a; color: var(--text); text-align: left; cursor: pointer; font: inherit; }
.schedule-item:hover, .schedule-item:focus { border-color: var(--gold-border); box-shadow: 0 0 12px #d4af3733; }
.schedule-item span { color: var(--gold-soft); font-size: .9rem; }
.schedule-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .2rem 1rem; margin: -.55rem 0 .35rem; padding: 1rem; border: 1px solid var(--gold-border); border-top: 0; background: #0c1324; }
.schedule-details p { margin: .25rem 0; }
.library-title { font: 18px Arial, sans-serif; color: #000; background: #f6f1e8; padding: .6rem .8rem; border-radius: .3rem; }
.library-heading { display: flex; align-items: start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.library-topic-editor { margin-top: 1.25rem; padding: 1.25rem; border: 1px solid var(--gold-border); border-radius: .55rem; background: #10182a; }
.library-topic-editor.library-modal-open { position: fixed; z-index: 20; inset: 50% auto auto 50%; width: min(92vw, 46rem); max-height: 88vh; overflow: auto; margin: 0; transform: translate(-50%, -50%); box-shadow: 0 1rem 4rem #000b, 0 0 0 100vmax #020617b8; }
.library-topic-editor h3 { color: var(--gold-soft); }
.editor-toolbar, .reference-mode { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .55rem; }
.editor-toolbar button, .reference-mode button { padding: .45rem .65rem; border: 1px solid var(--line); border-radius: .35rem; background: #242a39; color: var(--text); cursor: pointer; }
.editor-toolbar button:hover, .reference-mode button.active { border-color: var(--gold-border); color: var(--gold-soft); }
.rich-editor { min-height: 12rem; padding: .85rem; border: 1px solid #54596b; border-radius: .35rem; background: #0b1120; color: var(--text); }
.library-topic-meta, .library-topic-refs { color: var(--muted); font-size: .9rem; }
.announcement-row { margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: .45rem; background: #11182a; }
.announcement-row h3 { margin-top: 0; color: var(--gold-soft); }
.announcement-row small, .announcement-author { color: var(--muted); }
.announcement-row p { white-space: pre-wrap; overflow-wrap: anywhere; }
.announcement-row h3, .group-access-row strong { overflow-wrap: anywhere; }
.group-access-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .65rem; padding: .9rem 0; border-top: 1px solid var(--line); }
.group-access-row small { display: block; color: var(--muted); }
#admin-group-list .group-access-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); }
#admin-group-teacher-form { margin-top: 1rem; }
#admin-dashboard .hero { margin-bottom: 1.25rem; }
#admin-content { min-width: 0; }
.announcement-toast { position: fixed; z-index: 30; top: 1.25rem; right: 1.25rem; display: grid; gap: .35rem; width: min(22rem, calc(100vw - 2.5rem)); padding: 1rem; border: 1px solid var(--gold-border); border-radius: .55rem; background: #171c2e; box-shadow: 0 .7rem 2rem #0008; }
.announcement-toast strong { color: var(--gold-soft); }
.announcement-progress { height: .25rem; margin-top: .45rem; background: var(--gold-soft); transform-origin: left; }
@keyframes announcement-countdown { from { transform: scaleX(1); } to { transform: scaleX(0); } }
.library-lorem, .library-documents { font: 14px Arial, sans-serif; }
.library-document { margin: 1rem 0; padding: 1rem; background: #faf7f0; color: #111; border-radius: .4rem; }
.library-document h3 { margin-top: 0; font: 18px Arial, sans-serif; color: #000; }
.library-editor { min-height: 7rem; padding: .75rem; background: #fff; border: 1px solid #b8b1a5; color: #111; font: 14px Arial, sans-serif; }
.library-references { width: 100%; min-height: 4rem; margin-top: .7rem; padding: .65rem; box-sizing: border-box; background: #fff; border: 1px solid #b8b1a5; color: #111; font: 14px Arial, sans-serif; }
.student-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.exam-panel { max-width: 60rem; }
.exam-question-nav { display: flex; flex-wrap: wrap; gap: .4rem; margin-block: 1rem; }
.exam-question-nav button[aria-current="step"] { outline: 2px solid currentColor; outline-offset: 1px; }
.exam-copy { white-space: pre-wrap; overflow-wrap: anywhere; }
.exam-question-list { padding-inline-start: 1.5rem; }
.exam-question-list li { margin-block: 1rem; overflow-wrap: anywhere; }
.exam-review { max-height: 85vh; overflow-y: auto; }
#student-answer fieldset { min-width: 0; }
#student-answer legend { overflow-wrap: anywhere; }
#student-answer label { display: block; padding-block: .4rem; }
#student-answer input { width: auto; }
.question-manager { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.25rem; }
.empty-state { padding: 1.2rem; border: 1px dashed var(--line); border-radius: .45rem; color: var(--muted); margin: 1rem 0; }
.account-actions { display: flex; flex-wrap: wrap; align-items: end; gap: .6rem; margin-top: .9rem; }
.account-actions label { display: grid; gap: .25rem; color: var(--muted); font-size: .8rem; }
.account-actions select { min-width: 8.5rem; padding: .45rem; }
.account-actions .danger { border-color: #b66b75; color: #ffb4ab; }
@media (max-width: 760px) { .teacher-layout, .teacher-layout.sidebar-collapsed { grid-template-columns: 1fr; } .teacher-sidebar { position: static; } .teacher-sidebar .eyebrow { margin-bottom: .25rem; } .sidebar-collapsed .teacher-nav { display: none; } }
@media (max-width: 760px) { .question-manager { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .student-cards { grid-template-columns: 1fr; } }
@media (max-width: 760px) { .student-layout { grid-template-columns: 1fr; } .student-sidebar { position: static; } }
@media (max-width: 760px) { .subject-averages { grid-template-columns: repeat(2, minmax(0, 1fr)); } .schedule-details { grid-template-columns: 1fr; } }
@media (max-width: 900px) { .course-content-grid { grid-template-columns: 1fr; } }
.primary:disabled { opacity: .65; cursor: default; }
.secondary:hover { border-color: var(--gold-border); color: var(--gold-soft); }
.secondary, select { background: #242a39; color: var(--text); border: 1px solid #54596b; border-radius: .38rem; }
select { display: block; max-width: 100%; padding: .65rem; margin-block: .4rem 1rem; }
.login .primary { width: 100%; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: .8rem; }
.split { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.stack > * + * { margin-top: .85rem; }
summary { color: #ffefd1; font-weight: 700; padding-block: .3rem; }
details + details { border-top: 1px solid var(--line); margin-top: .5rem; padding-top: .5rem; }
.metric { color: var(--gold); font-size: 2rem; font-weight: 700; }
.notice { color: var(--purple); }
li { margin-block: .28rem; }
@media (max-width: 700px) {
  .access, .split { grid-template-columns: 1fr; }
  .access { min-height: auto; }
  nav { order: 3; width: 100%; }
}
.section-title { margin-top: 2rem; }
.catalog-note { margin-top: 1rem; font-size: .85rem; }
.metric small { display: block; font-size: 1rem; color: var(--muted); }
.subject-card { border-top-color: var(--gold-border); background: linear-gradient(145deg, #392c6c35, transparent), var(--panel); }
.subject-card a { display: inline-block; padding-block: .5rem; }
.attempt-nav { position: sticky; top: 1rem; }
.question-links { display: flex; flex-wrap: wrap; gap: .5rem; margin-block: 1rem; }
.question-links [aria-current] { outline: 2px solid var(--gold); outline-offset: 2px; }
.flag { margin-block: 1rem; }
.flag[aria-pressed="true"] { border-color: var(--gold); color: var(--gold-soft); }
.assignment-form { display: grid; gap: .85rem; max-width: 32rem; }
.assignment-form input { display: block; width: 100%; padding: .6rem; border: 1px solid var(--line); border-radius: .4rem; font: inherit; background: var(--bg); color: var(--text); }
#submit-attempt { display: grid; gap: 1rem; justify-items: start; }
@media (max-width: 700px) { .attempt-nav { position: static; grid-row: 1; } }
.academic-icon {
  display: inline-grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 1rem;
  border: 1px solid #d4af375c;
  border-radius: .8rem .25rem .8rem .25rem;
  background: linear-gradient(145deg, #d4af371c, #080e1c);
  box-shadow: inset 0 1px #f0dfa022, 0 5px 18px #0002;
  color: var(--gold-light);
}
.academic-icon svg {
  width: 2rem;
  height: 2rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: square;
  stroke-linejoin: round;
  filter: drop-shadow(0 1px 0 #a98924) drop-shadow(0 0 4px #d4af3733);
}
.icon-definitions { position: absolute; overflow: hidden; pointer-events: none; }
.profile-panel { max-width: 42rem; margin-inline: auto; }
.profile-panel .assignment-form { max-width: none; }
.profile-panel select { width: 100%; margin-bottom: 0; }
.profile-area { color: var(--gold-soft); margin-bottom: 1.5rem; }
.student-directory { margin-bottom: 1.5rem; }
.student-filters { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.student-filters label { min-width: 0; }
.student-filters input, .student-filters select {
  display: block;
  width: 100%;
  min-width: 0;
  margin: .4rem 0 0;
  padding: .65rem;
  border: 1px solid #54596b;
  border-radius: .38rem;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}
#student-list { margin-top: 1rem; }
.table-scroll { overflow-x: auto; }
.student-table { width: 100%; border-collapse: collapse; text-align: left; font-size: .9rem; }
.student-table caption { text-align: left; color: var(--muted); padding-block: .5rem; }
.student-table th, .student-table td { padding: .85rem; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; min-width: 10rem; }
.student-table thead { color: var(--gold-soft); background: #d4af3710; }
@media (max-width: 700px) { .student-filters { grid-template-columns: minmax(0, 1fr); } }