:root {
  --bg: #eef4f8;
  --surface: #ffffff;
  --surface-strong: #f8fbfd;
  --text: #102333;
  --muted: #607383;
  --line: #d9e4eb;
  --accent: #008f8c;
  --accent-strong: #006d6b;
  --ok: #168a48;
  --warn: #b7791f;
  --shadow: 0 24px 60px rgba(18, 42, 58, 0.12);
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --bg: #07131c;
  --surface: #10202c;
  --surface-strong: #132b3b;
  --text: #edf7fb;
  --muted: #a3b7c6;
  --line: #244254;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

[data-accent="blue"] { --accent: #2563eb; --accent-strong: #1e40af; }
[data-accent="amber"] { --accent: #d97706; --accent-strong: #92400e; }
[data-density="compact"] { --radius: 16px; }

* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent), transparent 72%), transparent 34rem),
    var(--bg);
  color: var(--text);
}
a { color: inherit; }
button { font: inherit; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: .75rem 1rem;
  background: var(--text);
  color: var(--surface);
  border-radius: 999px;
}
.skip-link:focus { top: 1rem; }
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 18rem 1fr;
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.25rem;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface), transparent 8%);
  backdrop-filter: blur(18px);
}
.brand {
  display: flex;
  gap: .85rem;
  align-items: center;
  margin-bottom: 2rem;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 1rem;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  font-weight: 800;
}
.brand span, .profile-card span, .eyebrow, .panel-heading span, small, p {
  color: var(--muted);
}
.brand strong, .brand span { display: block; }
.nav-list {
  display: grid;
  gap: .4rem;
}
.nav-item {
  padding: .85rem 1rem;
  border-radius: 1rem;
  text-decoration: none;
  color: var(--muted);
}
.nav-item:hover, .nav-item:focus-visible, .nav-item.is-active {
  background: color-mix(in srgb, var(--accent), transparent 88%);
  color: var(--text);
  outline: none;
}
.workspace {
  min-width: 0;
  padding: 1.25rem;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.eyebrow {
  margin: 0 0 .35rem;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-weight: 750;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.04em; }
h2 { margin-bottom: .5rem; letter-spacing: -.025em; }
.profile-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: .75rem;
  min-width: min(32rem, 100%);
  padding: .7rem .85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.profile-copy {
  min-width: 0;
  flex: 1;
}
#profilePhoto, .avatar-fallback {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
}
.avatar-fallback {
  display: grid;
  place-items: center;
  color: white;
  background: var(--accent);
  font-weight: 800;
}
.profile-card strong, .profile-card span { display: block; white-space: nowrap; }
.auth-menu {
  position: relative;
}
.auth-trigger {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  min-height: 2.35rem;
  padding: .55rem .85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  font-weight: 800;
  cursor: pointer;
}
.auth-popover {
  position: absolute;
  right: 0;
  top: calc(100% + .7rem);
  z-index: 30;
  width: min(23rem, calc(100vw - 2rem));
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.auth-popover::before {
  content: "";
  position: absolute;
  right: 1.4rem;
  top: -.45rem;
  width: .8rem;
  height: .8rem;
  transform: rotate(45deg);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.auth-popover p {
  margin-bottom: .85rem;
  line-height: 1.5;
}
.google-slot {
  min-height: 2.5rem;
  margin-bottom: .65rem;
}
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(19rem, .6fr);
  gap: 1rem;
}
.hero-card, .panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface), transparent 2%);
  box-shadow: var(--shadow);
}
.hero-card {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}
.hero-card p { max-width: 58rem; line-height: 1.65; }
.status-stack {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  justify-content: flex-end;
  gap: .5rem;
  min-width: 17rem;
}
.status-pill {
  display: inline-flex;
  padding: .5rem .7rem;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
  font-size: .85rem;
}
.status-pill.ok { color: var(--ok); }
.status-pill.warn { color: var(--warn); }
.panel {
  padding: 1rem;
}
.panel.wide {
  grid-column: 1 / -1;
}
.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.metric-grid, .media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}
.media-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.project-list, .module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}
.module-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.project-card, .module-card, .empty-card, .metric-card, .media-card, .detail-card {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 8px);
  background: var(--surface-strong);
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}
.detail-card {
  display: grid;
  gap: .45rem;
  min-height: 8rem;
}
.detail-card span {
  color: var(--muted);
  line-height: 1.45;
}
.detail-modal[hidden] { display: none; }
.detail-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}
.detail-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 19, 28, .58);
  backdrop-filter: blur(7px);
}
.detail-modal-card {
  position: relative;
  z-index: 1;
  width: min(68rem, calc(100vw - 2rem));
  max-height: min(44rem, calc(100vh - 2rem));
  overflow: auto;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.project-card {
  cursor: pointer;
  text-align: left;
}
.module-card[data-detail-key],
.metric-card[data-detail-key],
.media-card[data-detail-key] {
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.module-card[data-detail-key]:hover,
.metric-card[data-detail-key]:hover,
.media-card[data-detail-key]:hover,
.module-card[data-detail-key]:focus-within,
.metric-card[data-detail-key]:focus-within,
.media-card[data-detail-key]:focus-within {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent), var(--line) 35%);
  box-shadow: 0 16px 32px color-mix(in srgb, var(--accent), transparent 84%);
}
.is-detail-active {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent), transparent 82%) !important;
}
.project-card[aria-current="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent), transparent 82%);
}
.project-card strong, .project-card span, .module-card strong, .module-card span {
  display: block;
}
.project-card span, .module-card span {
  color: var(--muted);
  margin-top: .35rem;
}
.module-card.is-disabled {
  opacity: .58;
}
.selector-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1rem;
}
.demo-form {
  display: grid;
  gap: .55rem;
  margin-top: .75rem;
  padding-top: .75rem;
  border-top: 1px solid var(--line);
}
.demo-form input {
  width: 100%;
  min-height: 2.65rem;
  padding: .65rem .85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-strong);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.signin-note {
  margin-top: .55rem;
  font-size: .9rem;
}
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: .75rem 1rem;
  border-radius: 999px;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--accent), transparent 72%);
}
.button-reset {
  border: 0;
  cursor: pointer;
}
.secondary-action {
  min-height: 2.45rem;
  padding: .65rem .85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: var(--surface-strong);
  font-weight: 800;
  cursor: pointer;
}
.secondary-action:hover, .secondary-action:focus-visible {
  border-color: var(--accent);
  outline: 3px solid color-mix(in srgb, var(--accent), transparent 82%);
}
.primary-link:hover, .primary-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent), transparent 72%);
  outline-offset: 3px;
}
.selector-row select {
  min-width: min(24rem, 100%);
  padding: .65rem .8rem;
  border: 1px solid var(--line);
  border-radius: .9rem;
  color: var(--text);
  background: var(--surface-strong);
}
.metric-card span, .metric-card strong, .metric-card small, .media-card strong {
  display: block;
}
.metric-card strong {
  margin: .4rem 0;
  font-size: 2rem;
}
.media-preview {
  min-height: 9rem;
  margin-bottom: .85rem;
  border-radius: 1rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent), transparent 35%), transparent),
    repeating-linear-gradient(45deg, var(--line), var(--line) 1px, transparent 1px, transparent 16px);
}
.media-preview.accent {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--warn), transparent 35%), transparent),
    repeating-linear-gradient(45deg, var(--line), var(--line) 1px, transparent 1px, transparent 16px);
}
.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .75rem;
}
.segmented, .accent-dot {
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
}
.segmented {
  padding: .65rem .85rem;
  border-radius: 999px;
}
.segmented[aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent), transparent 80%);
}
.accent-dot {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
}
.accent-dot.teal { background: #008f8c; }
.accent-dot.blue { background: #2563eb; }
.accent-dot.amber { background: #d97706; }

@media (max-width: 920px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .nav-list {
    grid-auto-flow: column;
    overflow-x: auto;
    padding-bottom: .25rem;
  }
  .nav-item { white-space: nowrap; }
  .topbar, .hero-card { align-items: flex-start; flex-direction: column; }
  .demo-form { justify-items: stretch; }
  .content-grid, .metric-grid, .media-grid, .project-list, .module-grid, .detail-grid { grid-template-columns: 1fr; }
  .profile-card { width: 100%; min-width: 0; }
  .auth-menu { margin-left: auto; }
  .auth-popover { right: -.25rem; }
}