/* ===========================================================================
   app.css — Layouts das páginas: Hub, Catálogo, Perfil, Login/Cadastro
   =========================================================================== */

.page {
  max-width: 1320px;
  margin: 0 auto;
  padding: var(--pad-screen) 36px 64px;
}

.section { margin-top: 40px; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  margin: 4px 0 0;
  letter-spacing: -0.01em;
}

.grid-courses {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap-card);
}

/* ---- Hero -------------------------------------------------------------- */
.hub-hero {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--gap-card);
  align-items: stretch;
}
.hero-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: var(--accent-ink);
  border-radius: var(--r-lg);
}
.hero-card h1 {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 8px 0 10px;
}
.hero-card h1 .soft { opacity: 0.8; }
.hero-card p { font-size: 14px; opacity: 0.9; max-width: 480px; margin: 0; }
.hero-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.hero-rings {
  position: absolute; right: -40px; top: -30px; opacity: 0.18; pointer-events: none;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-card);
}
.stat-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-card .stat-label {
  display: flex; align-items: center; gap: 8px;
  color: var(--accent);
}
.stat-card .stat-value {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-card .stat-sub { font-size: 12px; color: var(--muted); }

/* ---- Card de curso ----------------------------------------------------- */
.course-card {
  display: flex;
  flex-direction: column;
  padding: var(--pad-card);
  gap: 14px;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.course-card:hover { transform: translateY(-2px); }
.course-card .cc-cover { height: 140px; }
.course-card .cc-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--muted);
}
.course-card .cc-dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; }
.course-card .cc-title {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.course-card .cc-sub { font-size: 13px; color: var(--text-soft); flex: 1; }
.course-card .cc-progress-row {
  display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px;
}
.course-card .cc-foot {
  display: flex; align-items: center; gap: 8px; margin-top: 6px; flex-wrap: wrap;
}
.course-card .cc-open {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--accent); font-weight: 600;
}
.course-card .cc-amazon-link {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; color: oklch(0.58 0.16 60); font-weight: 600;
  text-decoration: none;
}
.course-card .cc-amazon-link:hover { text-decoration: underline; }
.course-card .cc-free-unlock {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--success); font-weight: 600;
}

/* ---- Conquistas -------------------------------------------------------- */
.achv-list { display: flex; flex-direction: column; gap: 10px; list-style: none; padding: 0; margin: 0; }
.achv-list li { display: flex; align-items: center; gap: 12px; }
.achv-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.achv-list .achv-title { font-weight: 600; font-size: 14px; }
.achv-list .achv-sub { font-size: 12px; color: var(--muted); }

.app-footer {
  margin-top: 56px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---- Perfil ------------------------------------------------------------ */
.profile-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--gap-card);
  align-items: start;
}
.profile-card { padding: 24px; text-align: center; }
.profile-avatar {
  width: 96px; height: 96px;
  font-size: 36px;
  margin: 0 auto 14px;
}
.profile-card h1 { font-family: var(--font-serif); font-size: 22px; margin: 0 0 2px; }
.profile-card .profile-email { font-size: 13px; color: var(--muted); }
.profile-meta {
  margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px; text-align: left;
}
.profile-meta .pm-row { display: flex; justify-content: space-between; font-size: 13px; }
.profile-meta .pm-row span:first-child { color: var(--muted); }

.panel-block { padding: var(--pad-card); }
.panel-block + .panel-block { margin-top: var(--gap-card); }
.panel-block h2 { font-family: var(--font-serif); font-size: 18px; margin: 0 0 14px; }

/* ---- Catálogo ---------------------------------------------------------- */
.catalog-filters { display: flex; gap: 8px; flex-wrap: wrap; }

.cat-toolbar {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 12px;
  padding: 20px;
  background: var(--surface);
  border: var(--card-border);
  border-radius: var(--r-lg);
}
.cat-search-field { max-width: 480px; }
.cat-filter-groups {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.cat-filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cat-filter-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.cat-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.cat-chip {
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s;
  white-space: nowrap;
}
.cat-chip:hover { background: var(--hover); color: var(--text); }
.cat-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.cat-count {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 20px;
}
.cat-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 64px 24px;
  color: var(--muted);
  text-align: center;
}
.cat-empty svg { width: 40px; height: 40px; color: var(--border-strong); }
.cat-empty p { margin: 0; font-size: 14px; }

/* ---- Login / Cadastro -------------------------------------------------- */
.auth-screen {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
}
.auth-aside {
  background: linear-gradient(150deg,
    color-mix(in oklab, var(--accent) 92%, black 8%) 0%,
    color-mix(in oklab, var(--accent) 70%, black 30%) 100%);
  color: #fff;
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}
.auth-aside .aa-content { position: relative; z-index: 2; }
.auth-aside h1 {
  font-family: var(--font-serif);
  font-size: 46px;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 14px 0 18px;
  max-width: 460px;
  font-weight: 700;
}
.auth-aside h1 em { font-weight: 500; opacity: 0.72; }
.auth-aside p { font-size: 15px; opacity: 0.82; line-height: 1.55; max-width: 420px; margin: 0; }
.auth-aside ul { margin: 28px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.auth-aside li { display: flex; gap: 10px; align-items: flex-start; }
.auth-aside .aa-check {
  width: 22px; height: 22px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.auth-aside .aa-rings { position: absolute; right: -120px; bottom: -100px; opacity: 0.18; }

.auth-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px;
  background: var(--bg);
}
.auth-form { width: 100%; max-width: 380px; }
.auth-form h2 {
  font-family: var(--font-serif);
  font-size: 32px;
  margin: 6px 0;
  letter-spacing: -0.02em;
}
.auth-form .auth-lead { color: var(--muted); margin: 0 0 24px; font-size: 14px; }
.auth-fields { display: flex; flex-direction: column; gap: 14px; }
.auth-sep {
  display: flex; align-items: center; gap: 12px;
  margin: 8px 0; color: var(--muted); font-size: 12px;
}
.auth-sep::before, .auth-sep::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}
.auth-tip {
  margin-top: 28px;
  padding: 14px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-tint);
  border-radius: var(--r-md);
  font-size: 12.5px;
  color: var(--text-soft);
}
.auth-tip b { display: flex; align-items: center; gap: 6px; color: var(--accent); margin-bottom: 4px; }

/* ---- Responsivo -------------------------------------------------------- */
@media (max-width: 1080px) {
  .grid-courses { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hub-hero { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .page { padding: 20px 18px 56px; }
  .grid-courses { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .profile-layout { grid-template-columns: 1fr; }
  .auth-screen { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .auth-form-wrap { padding: 32px 20px; min-height: 100vh; }
  .hero-card h1 { font-size: 28px; }
}