:root {
  color-scheme: dark;
  --ink: #f5f1e7;
  --muted: #b8b1a2;
  --quiet: #80796b;
  --panel: #171717;
  --panel-strong: #21201e;
  --line: rgba(245, 241, 231, 0.12);
  --line-strong: rgba(245, 241, 231, 0.22);
  --surface: #0f1010;
  --surface-2: #141512;
  --green: #5dd39e;
  --amber: #f3c663;
  --coral: #e07a5f;
  --blue: #92b6ff;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(243, 198, 99, 0.12), transparent 34rem),
    linear-gradient(135deg, #0b0d0d 0%, #151610 52%, #101314 100%);
  color: var(--ink);
  font-family: Aptos, "Trebuchet MS", Verdana, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
}

.explorer {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 22px;
  border-right: 1px solid var(--line);
  background: rgba(13, 14, 13, 0.92);
  backdrop-filter: blur(16px);
}

.brand-lockup,
.section-heading,
.card-meta,
.status-row,
.action-row,
.band-heading,
.mini-statuses,
.detail-kicker,
.back-button,
.profile-button,
.primary-action {
  display: flex;
  align-items: center;
}

.brand-lockup {
  gap: 12px;
  margin-bottom: 24px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #f5f1e7;
  color: #111;
  font-weight: 800;
}

.brand-lockup p,
.brand-lockup strong,
.catalog-header p,
.card-body p,
.detail-content p,
.profile-hero p,
.progress-item span,
.metric-card span,
.level-badge span {
  margin: 0;
}

.brand-lockup p,
.eyebrow,
.card-meta,
.status-row,
.progress-item span,
.metric-card span,
.level-badge span {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.brand-lockup strong {
  font-size: 1.12rem;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-bottom: 16px;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.profile-button,
.back-button,
.filter-pill,
.action-row button,
.primary-action,
.icon-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
}

.profile-button {
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  margin-bottom: 28px;
  padding: 12px;
}

.profile-button span {
  flex: 1;
  text-align: left;
}

.profile-button strong {
  color: var(--green);
}

.filter-section {
  margin-top: 22px;
}

.section-heading {
  gap: 8px;
  margin-bottom: 10px;
  color: var(--amber);
  font-size: 0.86rem;
  font-weight: 700;
}

.filter-pill {
  display: block;
  width: 100%;
  min-height: 38px;
  margin: 7px 0;
  padding: 9px 11px;
  text-align: left;
  text-transform: capitalize;
}

.filter-pill.active {
  border-color: rgba(93, 211, 158, 0.58);
  background: rgba(93, 211, 158, 0.12);
  color: var(--green);
}

.catalog-main {
  min-width: 0;
  padding: 34px clamp(18px, 4vw, 52px) 56px;
}

.catalog-header,
.profile-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  min-height: 250px;
  padding: clamp(24px, 5vw, 54px);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.12)),
    linear-gradient(135deg, rgba(47, 143, 131, 0.34), rgba(224, 122, 95, 0.16) 50%, rgba(146, 182, 255, 0.22));
  box-shadow: var(--shadow);
}

.catalog-header h1,
.profile-hero h1 {
  max-width: 760px;
  margin: 8px 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 6vw, 5.4rem);
  font-weight: 700;
  line-height: 0.95;
}

.catalog-header p,
.profile-hero p {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.header-stat,
.level-badge {
  display: grid;
  min-width: 150px;
  place-items: center;
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(15, 16, 16, 0.68);
}

.header-stat strong,
.level-badge strong {
  font-size: 2.4rem;
}

.content-band,
.progress-list {
  margin-top: 34px;
}

.band-heading {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.band-heading h2 {
  margin: 0;
  font-size: 1.45rem;
}

.band-heading span {
  color: var(--quiet);
  text-transform: capitalize;
}

.training-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.training-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 23, 23, 0.82);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.24);
}

.thumbnail {
  position: relative;
  display: flex;
  min-height: 170px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px;
  isolation: isolate;
}

.thumbnail::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.68) 80%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 24px);
  content: '';
}

.thumbnail h3 {
  margin: 42px 0 7px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
  line-height: 1;
}

.thumbnail p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.level-chip {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.48);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.card-body {
  padding: 15px;
}

.card-meta,
.status-row {
  justify-content: space-between;
  gap: 10px;
}

.card-meta span:first-child,
.status-row span:last-child {
  text-transform: capitalize;
}

.card-body p {
  min-height: 70px;
  margin: 12px 0;
  color: #d7d0c2;
  line-height: 1.45;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--quiet);
}

.status.complete {
  color: var(--green);
}

.action-row {
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.action-row button,
.primary-action,
.back-button {
  gap: 7px;
  min-height: 38px;
  padding: 9px 11px;
}

.action-row button:hover,
.profile-button:hover,
.filter-pill:hover,
.back-button:hover,
.primary-action:hover {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.11);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.68);
}

.detail-modal {
  position: relative;
  width: min(780px, 100%);
  max-height: min(86vh, 760px);
  overflow-y: auto;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.close-button {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
}

.detail-hero {
  min-height: 220px;
  padding: 38px;
  background-size: cover;
}

.detail-hero span,
.detail-kicker {
  color: rgba(255, 255, 255, 0.82);
  text-transform: capitalize;
}

.detail-hero h2 {
  max-width: 560px;
  margin: 56px 0 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 0.95;
}

.detail-hero p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.detail-content {
  padding: 28px;
}

.split-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
}

.detail-kicker {
  gap: 8px;
  margin-bottom: 12px;
  color: var(--amber);
  font-weight: 700;
}

.detail-content h3 {
  margin: 0 0 10px;
  font-size: 1.45rem;
}

.video-placeholder {
  display: grid;
  min-height: 240px;
  margin-bottom: 18px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 18px);
  color: var(--muted);
}

.video-placeholder span {
  display: block;
  margin-top: 56px;
}

.primary-action {
  margin-top: 18px;
  border-color: rgba(93, 211, 158, 0.42);
  background: rgba(93, 211, 158, 0.14);
  color: var(--green);
}

.feedback-form label {
  display: grid;
  gap: 8px;
  margin: 14px 0;
  color: var(--muted);
}

.feedback-form select,
.feedback-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  background: #111;
  color: var(--ink);
}

.profile-page {
  min-height: 100vh;
  padding: 28px clamp(18px, 4vw, 60px) 56px;
}

.back-button {
  margin-bottom: 20px;
}

.profile-hero {
  min-height: 230px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.metric-card {
  display: grid;
  gap: 8px;
  min-height: 132px;
  align-content: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(23, 23, 23, 0.8);
}

.metric-card svg {
  color: var(--amber);
}

.metric-card strong {
  font-size: 2rem;
}

.progress-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.progress-item strong {
  display: block;
  margin-bottom: 5px;
}

.mini-statuses {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.mini-status {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--quiet);
}

.mini-status.done {
  border-color: rgba(93, 211, 158, 0.45);
  color: var(--green);
}

@media (max-width: 920px) {
  .app-shell {
    display: block;
  }

  .explorer {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .filter-section {
    margin-top: 16px;
  }

  .filter-pill {
    display: inline-flex;
    width: auto;
    margin: 5px 6px 5px 0;
    align-items: center;
  }

  .catalog-header,
  .profile-hero {
    align-items: flex-start;
    flex-direction: column;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .catalog-main,
  .profile-page {
    padding-inline: 14px;
  }

  .catalog-header,
  .profile-hero {
    min-height: 0;
    padding: 24px;
  }

  .training-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .split-detail,
  .progress-item {
    display: block;
  }

  .mini-statuses {
    justify-content: flex-start;
    margin-top: 12px;
  }

  .detail-hero,
  .detail-content {
    padding: 22px;
  }

  .action-row button {
    flex: 1 1 100%;
    justify-content: center;
  }
}