:root {
  color-scheme: dark;
  --bg: #03070d;
  --panel: #091221;
  --panel-2: #0d1829;
  --line: #243349;
  --line-strong: #35506e;
  --text: #f5f7fb;
  --muted: #9eacc0;
  --cyan: #42ddff;
  --gold: #f0c75a;
  --gold-dark: #6f571e;
  --danger: #ff6978;
}

* { box-sizing: border-box; }
html { min-width: 320px; min-height: 100%; scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 7% 8%, rgba(66, 221, 255, .09), transparent 25rem),
    radial-gradient(circle at 93% 88%, rgba(240, 199, 90, .06), transparent 28rem),
    var(--bg);
}

[hidden] { display: none !important; }
a { color: inherit; }
button, input { font: inherit; }

.site-header,
main,
.site-footer {
  width: min(1180px, calc(100% - 36px));
  margin-inline: auto;
}

.site-header { padding: 28px 0 52px; }
.top-nav,
.top-nav-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.top-nav a {
  display: inline-flex;
  align-items: center;
  min-width: 24px;
  min-height: 24px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .09em;
  text-decoration: none;
  text-transform: uppercase;
}

.top-nav a:hover,
.top-nav a:focus-visible { color: var(--cyan); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 34px;
  padding: 72px 0 46px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3.5rem, 9vw, 7.5rem);
  line-height: .82;
  letter-spacing: -.07em;
}

.intro {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.55;
}

.access-card {
  min-width: 230px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 20px;
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 15px;
}

.access-card:hover,
.access-card:focus-visible { border-color: rgba(66, 221, 255, .55); }
.access-card.is-full { border-color: var(--gold-dark); }
.access-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(66, 221, 255, .75);
}

.access-card.is-full .access-dot {
  background: var(--gold);
  box-shadow: 0 0 15px rgba(240, 199, 90, .8);
}

.access-card small {
  display: block;
  color: var(--muted);
  font-size: .68rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.access-card strong { display: block; margin-top: 5px; font-size: .88rem; }
.access-role { display: block; margin-top: 9px; color: var(--text); font-size: .76rem; line-height: 1.25; }
.access-role small { margin-bottom: 2px; font-size: .59rem; }

.search-shell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 13px;
  background: rgba(9, 18, 33, .78);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.search-box {
  width: min(100%, 430px);
  position: relative;
}

.search-box svg {
  width: 18px;
  height: 18px;
  position: absolute;
  top: 50%;
  left: 16px;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  height: 46px;
  padding: 0 46px;
  color: var(--text);
  background: #070e19;
  border: 1px solid var(--line);
  border-radius: 11px;
  outline: none;
}

.search-box input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(66, 221, 255, .12);
}

.search-box input::placeholder { color: #74849a; }

.sort-control {
  display: grid;
  gap: 5px;
  flex: 0 0 130px;
  color: var(--muted);
  font-size: .64rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.sort-control select {
  min-width: 0;
  height: 46px;
  padding: 0 11px;
  color: var(--text);
  background: #070e19;
  border: 1px solid var(--line);
  border-radius: 11px;
  font-size: .78rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: .02em;
  text-transform: none;
}

.sort-control select:focus-visible {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(66, 221, 255, .12);
}

main { margin-bottom: 72px; }
.library-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding: 38px 0 18px;
  border-bottom: 1px solid var(--line);
}

.library-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.3rem);
  line-height: 1;
  letter-spacing: -.05em;
}

.results-status {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.5;
  text-align: right;
}

.course-list {
  display: grid;
  gap: 18px;
  padding-top: 26px;
}

.course-row {
  min-width: 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, .18);
  transition: border-color 170ms ease, transform 170ms ease;
}

.course-row:hover {
  border-color: rgba(66, 221, 255, .46);
  transform: translateY(-2px);
}

.course-row.is-god-mode { border-color: rgba(240, 199, 90, .28); }
.course-row.is-god-mode:hover { border-color: rgba(240, 199, 90, .62); }

.course-row-link {
  min-height: 205px;
  display: grid;
  grid-template-columns: clamp(230px, 31vw, 390px) minmax(0, 1fr);
  text-decoration: none;
}

.course-artwork {
  min-height: 205px;
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 28% 25%, rgba(255, 255, 255, .18), transparent 24%),
    linear-gradient(135deg, var(--art-one, #147b9a), var(--art-two, #402267));
}

.course-artwork[data-accent="gold"] { --art-one: #9a6615; --art-two: #51341a; }
.course-artwork[data-accent="green"] { --art-one: #147b60; --art-two: #173a58; }
.course-artwork[data-accent="blue"] { --art-one: #176da2; --art-two: #253c74; }
.course-artwork[data-accent="violet"] { --art-one: #6651a7; --art-two: #2a315f; }
.course-artwork[data-accent="purple"] { --art-one: #7c3f9e; --art-two: #263a68; }
.course-artwork[data-accent="orange"] { --art-one: #9c5b18; --art-two: #5b2f25; }
.course-artwork[data-accent="red"] { --art-one: #983c4b; --art-two: #40223b; }
.course-artwork[data-accent="teal"] { --art-one: #127e78; --art-two: #24365d; }
.course-artwork img { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.course-artwork.has-missing-media {
  background:
    repeating-linear-gradient(-45deg, rgba(255, 255, 255, .025) 0 8px, transparent 8px 18px),
    linear-gradient(135deg, #111827, #070b12);
}

.media-missing-label {
  position: relative;
  z-index: 2;
  max-width: 78%;
  padding: 13px 16px;
  color: #dbe5f2;
  border: 1px dashed rgba(219, 229, 242, .42);
  border-radius: 10px;
  background: rgba(3, 7, 14, .72);
  font: 850 .72rem/1.35 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

.duration-badge,
.preparing-badge {
  position: absolute;
  z-index: 3;
  bottom: 10px;
  padding: 5px 8px;
  color: #fff;
  background: rgba(0, 0, 0, .72);
  border-radius: 7px;
  backdrop-filter: blur(8px);
  font-size: .68rem;
  font-weight: 820;
}

.duration-badge { right: 10px; }
.preparing-badge { left: 10px; color: #dbe4ef; }

.god-mode-banner {
  width: 220px;
  padding: 8px 0;
  position: absolute;
  z-index: 4;
  top: 27px;
  left: -59px;
  color: #fff;
  background: linear-gradient(90deg, #b10819, #ee2941 50%, #b10819);
  border-top: 1px solid #ff7c8b;
  border-bottom: 1px solid #790714;
  box-shadow: 0 5px 14px rgba(0, 0, 0, .4);
  font-size: .65rem;
  font-weight: 950;
  letter-spacing: .12em;
  text-align: center;
  text-transform: uppercase;
  transform: rotate(-35deg);
}

.course-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(22px, 4vw, 38px);
}

.course-reference {
  margin: 0 0 12px;
  color: var(--cyan);
  font: 850 .68rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.course-title {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.course-description {
  max-width: 680px;
  margin: 13px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.pill {
  padding: 6px 9px;
  color: #b9c5d6;
  background: #07101c;
  border: 1px solid #26374e;
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 800;
}

.pill.god { color: #ffe78f; border-color: var(--gold-dark); }
.pill.action { margin-left: auto; color: var(--cyan); border-color: rgba(66, 221, 255, .34); }
.course-row.is-god-mode .pill.action { color: #ffe78f; border-color: var(--gold-dark); }
.pill.purchase { color: #9ff1c1; border-color: rgba(145, 239, 189, .42); background: rgba(145, 239, 189, .08); }

.collection {
  min-width: 0;
  overflow: hidden;
  padding: 22px;
  background: linear-gradient(135deg, #0a1423, #0e1d31);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
}

.collection-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.collection-title {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}

.collection-badge {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: #05101a;
  background: var(--cyan);
  border-radius: 12px;
  box-shadow: 0 0 22px rgba(66, 221, 255, .18);
  font-size: .64rem;
  font-weight: 950;
  line-height: 1;
  text-align: center;
}

.collection-title h3 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
  letter-spacing: -.04em;
}

.collection-title p { margin: 5px 0 0; color: var(--muted); font-size: .8rem; }
.collection-lock { color: #ffe78f; font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.series-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(210px, 1fr);
  gap: 14px;
  overflow-x: auto;
  padding: 2px 2px 12px;
  scrollbar-color: var(--cyan) #09111d;
  overscroll-behavior-inline: contain;
}

.series-card {
  min-width: 210px;
  overflow: hidden;
  position: relative;
  background: #07101c;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.series-card:hover { border-color: rgba(240, 199, 90, .58); }
.series-card-link { height: 100%; display: flex; flex-direction: column; text-decoration: none; }
.series-artwork { min-height: 132px; aspect-ratio: 16 / 10; }
.series-card-copy { flex: 1; display: flex; flex-direction: column; padding: 13px; }
.series-card h4 { margin: 0; font-size: .92rem; line-height: 1.25; }
.series-card small { display: block; margin-top: 8px; color: var(--muted); line-height: 1.4; }
.series-action { margin-top: auto !important; padding-top: 10px; color: #ffe78f !important; font-weight: 800; }

.empty-state {
  margin-top: 26px;
  padding: 70px 24px;
  color: var(--muted);
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.empty-state strong,
.empty-state span { display: block; }
.empty-state span { margin-top: 7px; }
.pagination-wrap { display: grid; place-items: center; gap: 13px; margin-top: 34px; }
.page-counter { margin: 0; color: var(--muted); font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 9px; }
.pagination button {
  min-width: 42px;
  height: 42px;
  padding: 0 13px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 9px;
  font-weight: 900;
  cursor: pointer;
}

.pagination button:hover:not(:disabled) { color: var(--cyan); border-color: var(--cyan); }
.pagination button[aria-current="page"] { color: #001018; background: var(--cyan); border-color: var(--cyan); }
.pagination button:disabled { cursor: not-allowed; opacity: .35; }
.site-footer {
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: .82rem;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-width: 24px;
  min-height: 24px;
  text-underline-offset: 4px;
}
.site-footer a:hover,
.site-footer a:focus-visible { color: var(--cyan); }
body.modal-open { overflow: hidden; }
.auth-modal {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-modal-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: rgba(1, 4, 9, .84);
  backdrop-filter: blur(12px);
  cursor: pointer;
}

.auth-dialog {
  width: min(100%, 510px);
  padding: clamp(28px, 6vw, 46px);
  position: relative;
  z-index: 1;
  background: radial-gradient(circle at 100% 0, rgba(66, 221, 255, .12), transparent 42%), #0a1220;
  border: 1px solid rgba(66, 221, 255, .34);
  border-radius: 24px;
  box-shadow: 0 36px 110px rgba(0, 0, 0, .68);
}

.auth-close {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  padding: 0;
  position: absolute;
  top: 15px;
  right: 15px;
  color: var(--muted);
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1.35rem;
  cursor: pointer;
}

.auth-close:hover,
.auth-close:focus-visible { color: var(--text); border-color: var(--cyan); }
.auth-kicker { margin: 0 0 10px; color: var(--cyan); font-size: .7rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.auth-dialog h2 { margin: 0; font-size: clamp(2rem, 7vw, 3.25rem); line-height: .98; letter-spacing: -.055em; }
.auth-dialog > p:not(.auth-kicker, .auth-message, .auth-privacy) { margin: 18px 0 0; color: var(--muted); line-height: 1.65; }
.google-sign-in {
  width: 100%;
  min-height: 54px;
  margin-top: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  padding: 0 18px;
  color: #172033;
  background: #fff;
  border: 1px solid #d8dee8;
  border-radius: 13px;
  font-weight: 850;
  cursor: pointer;
}

.google-sign-in svg { width: 21px; height: 21px; flex: 0 0 auto; }
.google-sign-in:hover,
.google-sign-in:focus-visible { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(66, 221, 255, .1); }
.google-sign-in:disabled { cursor: wait; opacity: .7; }
.email-sign-in-link { display: block; margin-top: 15px; color: var(--muted); text-align: center; font-size: .78rem; text-underline-offset: 4px; }
.email-sign-in-link:hover,
.email-sign-in-link:focus-visible { color: var(--cyan); }
.auth-message { min-height: 21px; margin: 14px 0 0; color: #ff9da9; font-size: .78rem; line-height: 1.5; text-align: center; }
.auth-privacy { margin: 18px 0 0; color: #7f8ea5; font-size: .69rem; line-height: 1.55; text-align: center; }
.auth-privacy a { color: #cbd7e8; text-underline-offset: 3px; }
.modal-actions { display: grid; gap: 10px; margin-top: 26px; }
.modal-primary-action,
.modal-secondary-action {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  font: inherit;
  font-weight: 850;
  text-decoration: none;
  cursor: pointer;
}
.modal-primary-action { color: #001018; border-color: var(--cyan); background: var(--cyan); }
.modal-secondary-action { color: var(--text); background: rgba(255, 255, 255, .04); }
.modal-primary-action:hover,
.modal-primary-action:focus-visible { filter: brightness(1.06); }
.modal-secondary-action:hover,
.modal-secondary-action:focus-visible { border-color: var(--cyan); color: var(--cyan); }
.sr-only { width: 1px; height: 1px; padding: 0; margin: -1px; position: absolute; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }

@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 52px; }
  .access-card { width: 100%; }
  .course-row-link { grid-template-columns: 1fr; }
  .course-artwork { min-height: 0; aspect-ratio: 16 / 9; }
  .library-heading { align-items: flex-start; flex-direction: column; }
  .results-status { text-align: left; }
}

@media (max-width: 540px) {
  .site-header,
  main,
  .site-footer { width: min(100% - 22px, 1180px); }
  .site-header { padding-top: 20px; }
  .top-nav { align-items: flex-start; }
  .top-nav-links { gap: 12px; }
  .top-nav-links a:first-child { display: none; }
  .hero { padding: 45px 0 32px; }
  h1 { font-size: clamp(3.3rem, 18vw, 5rem); }
  .search-shell { padding: 9px; }
  .search-shell { align-items: stretch; flex-direction: column; }
  .search-box { width: 100%; }
  .sort-control { grid-template-columns: auto 1fr; align-items: center; gap: 10px; }
  .course-copy { padding: 22px; }
  .pill.action { margin-left: 0; }
  .collection { padding: 16px; }
  .collection-header { align-items: flex-start; flex-direction: column; }
}

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