/* ── Base ─────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  margin: 0;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

h1, h2, h3, h4 {
  font-family: "Sora", "Inter", system-ui, sans-serif;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-hover);
}

/* ── Card ─────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 1px 3px var(--shadow);
  transition: box-shadow 0.2s, border-color 0.2s;
}
.card:hover {
  box-shadow: 0 4px 12px var(--shadow-md);
}

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.15s;
}
.btn:hover {
  border-color: var(--accent);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* ── Input ────────────────────────────────────────────────────── */
.input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ── Glass circle (home "You" node) ──────────────────────────── */
.glass-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 7rem;
  height: 7rem;
  border-radius: 50%;
  background: var(--accent-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  font-size: 1.125rem;
  box-shadow: 0 0 24px var(--accent-soft);
}

/* ── Wizard steps ─────────────────────────────────────────────── */
.wizard-step {
  display: none;
}
.wizard-step.active {
  display: block;
}

/* ── Nav ──────────────────────────────────────────────────────── */
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: "Sora", system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
}
.nav-logo {
  height: 1.75rem;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  padding: 0.375rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover {
  color: var(--text-primary);
  background: var(--accent-soft);
}
.nav-link--accent {
  color: var(--accent);
  font-weight: 600;
}
.nav-link--accent:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

/* ── Avatar + dropdown ── */
.nav-avatar-wrap {
  position: relative;
  margin-left: 0.5rem;
}
.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow 0.15s;
}
.nav-avatar:hover {
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  box-shadow: 0 8px 32px var(--shadow-md), 0 1px 3px var(--shadow);
  z-index: 50;
  overflow: hidden;
}

.nav-dd-user {
  padding: 0.75rem 1rem;
}
.nav-dd-name {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}
.nav-dd-email {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-top: 0.125rem;
}

.nav-dd-divider {
  height: 1px;
  background: var(--border);
}

.nav-dd-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  padding: 0.5rem 1rem;
  border: none;
  background: none;
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.nav-dd-item:hover {
  background: var(--accent-soft);
  color: var(--text-primary);
}
.nav-dd-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.6;
}
.nav-dd-item--danger {
  color: var(--error);
}
.nav-dd-item--danger:hover {
  background: rgba(220, 38, 38, 0.06);
  color: var(--error);
}

/* ── Course card grid ─────────────────────────────────────────── */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}