/* ============================================================
   EXPOPLAY — Global Styles
   Paleta: Amarelo (#FFC107) + Preto (#1A1A1A) + Branco (#FFFFFF)
   Mobile-first (max-width: 430px base, responsive)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --amarelo: #FFC107;
  --amarelo-hover: #E5AC00;
  --amarelo-light: #FFF8E1;
  --preto: #1A1A1A;
  --preto-card: #222222;
  --cinza-900: #333333;
  --cinza-700: #555555;
  --cinza-500: #888888;
  --cinza-300: #CCCCCC;
  --cinza-100: #F5F5F5;
  --branco: #FFFFFF;
  --vermelho: #E74C3C;
  --verde: #27AE60;
  --azul: #3498DB;
  --facebook: #1877F2;
  --google: #DB4437;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 430px;
  --nav-height: 60px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--branco);
  color: var(--preto);
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
  min-height: 100dvh;
}

/* App container — centraliza mobile */
.app {
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  background: var(--branco);
  overflow-x: hidden;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--preto);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

p {
  color: var(--cinza-700);
  line-height: 1.6;
}

a {
  color: var(--amarelo);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--amarelo-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--amarelo);
  color: var(--preto);
}

.btn-primary:hover {
  background: var(--amarelo-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-dark {
  background: var(--preto);
  color: var(--branco);
}

.btn-dark:hover {
  background: var(--cinza-900);
}

.btn-outline {
  background: transparent;
  color: var(--preto);
  border: 2px solid var(--cinza-300);
}

.btn-outline:hover {
  border-color: var(--amarelo);
  color: var(--amarelo);
}

.btn-facebook {
  background: var(--facebook);
  color: var(--branco);
  text-transform: none;
  font-weight: 600;
}

.btn-google {
  background: var(--google);
  color: var(--branco);
  text-transform: none;
  font-weight: 600;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

/* ============================================================
   INPUTS
   ============================================================ */
.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cinza-700);
  margin-bottom: 6px;
}

.input-field {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--cinza-300);
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--preto);
  background: var(--branco);
  transition: border-color 0.2s;
  outline: none;
}

.input-field::placeholder {
  color: var(--cinza-500);
}

.input-field:focus {
  border-color: var(--amarelo);
}

/* ============================================================
   TOPBAR / HEADER
   ============================================================ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--branco);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--cinza-100);
}

.topbar-back {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--preto);
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font);
}

.topbar-back svg {
  width: 18px;
  height: 18px;
}

.topbar-title {
  font-size: 0.9375rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.topbar-logo {
  height: 28px;
}

/* ============================================================
   BOTTOM NAV
   ============================================================ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-width);
  background: var(--preto);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 8px 0;
  padding-bottom: calc(8px + env(safe-area-inset-bottom));
  z-index: 200;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 12px;
  color: var(--cinza-500);
  font-size: 0.625rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s;
  text-decoration: none;
  background: none;
  border: none;
  font-family: var(--font);
}

.nav-item svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.8;
}

.nav-item.active {
  color: var(--amarelo);
}

.nav-item:hover {
  color: var(--amarelo);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--branco);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-cover {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
}

.card-body {
  padding: 12px 16px;
}

.card-title {
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.card-meta {
  font-size: 0.75rem;
  color: var(--cinza-500);
}

/* ============================================================
   HERO BANNER
   ============================================================ */
.hero-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-banner-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  color: var(--branco);
}

.hero-banner-overlay h2 {
  color: var(--branco);
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-banner-overlay p {
  color: rgba(255,255,255,0.8);
  font-size: 0.8125rem;
  margin-top: 4px;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 8px;
}

.section-header h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--cinza-700);
}

.section-header a {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--amarelo);
}

/* ============================================================
   COURSE LIST (horizontal scroll)
   ============================================================ */
.course-scroll {
  display: flex;
  gap: 12px;
  padding: 0 20px 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.course-scroll::-webkit-scrollbar {
  display: none;
}

.course-scroll .card {
  flex: 0 0 260px;
  scroll-snap-align: start;
}

/* ============================================================
   COURSE GRID
   ============================================================ */
.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 0 20px 16px;
}

.course-grid .card {
  width: 100%;
}

.course-grid .card-cover {
  aspect-ratio: 16/9;
}

/* ============================================================
   VIDEO PLAYER
   ============================================================ */
.video-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--preto);
  overflow: hidden;
}

.video-player video,
.video-player iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-player-thumb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.video-player-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-btn {
  position: absolute;
  width: 56px;
  height: 56px;
  background: var(--amarelo);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}

.play-btn svg {
  width: 24px;
  height: 24px;
  fill: var(--preto);
  margin-left: 3px;
}

/* ============================================================
   MODULE LIST
   ============================================================ */
.module-list {
  padding: 0 20px;
}

.module-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--cinza-100);
  cursor: pointer;
  transition: background 0.15s;
}

.module-item:hover {
  background: var(--cinza-100);
  margin: 0 -20px;
  padding: 14px 20px;
}

.module-num {
  flex: 0 0 32px;
  height: 32px;
  background: var(--amarelo);
  color: var(--preto);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 700;
}

.module-info {
  flex: 1;
  min-width: 0;
}

.module-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--preto);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.module-desc {
  font-size: 0.75rem;
  color: var(--cinza-500);
  margin-top: 2px;
}

.module-duration {
  flex: 0 0 auto;
  font-size: 0.75rem;
  color: var(--cinza-500);
  font-weight: 500;
}

.module-item.active .module-num {
  background: var(--preto);
  color: var(--amarelo);
}

.module-item.completed .module-num {
  background: var(--verde);
  color: var(--branco);
}

/* ============================================================
   TABS
   ============================================================ */
.tabs {
  display: flex;
  border-bottom: 2px solid var(--cinza-100);
  padding: 0 20px;
}

.tab {
  flex: 1;
  padding: 12px 0;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--cinza-500);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font);
}

.tab.active {
  color: var(--preto);
  border-bottom-color: var(--amarelo);
}

/* ============================================================
   RANKING
   ============================================================ */
.ranking-header {
  background: var(--amarelo);
  padding: 32px 20px;
  text-align: center;
}

.ranking-header-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 8px;
}

.ranking-header h2 {
  color: var(--preto);
  font-size: 1.125rem;
}

.ranking-position {
  text-align: center;
  padding: 24px 20px;
  background: var(--preto);
}

.ranking-position .trophy {
  width: 64px;
  height: 64px;
  margin: 0 auto 8px;
}

.ranking-position .position {
  font-size: 2rem;
  font-weight: 900;
  color: var(--amarelo);
}

.ranking-position .label {
  font-size: 0.75rem;
  color: var(--cinza-500);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 4px;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--cinza-100);
}

.ranking-item .rank {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--amarelo);
  width: 24px;
  text-align: center;
}

.ranking-item .star {
  width: 20px;
  height: 20px;
  color: var(--cinza-300);
}

.ranking-item .name {
  flex: 1;
  font-size: 0.875rem;
  font-weight: 700;
}

.ranking-item .stats {
  font-size: 0.75rem;
  color: var(--cinza-500);
}

/* ============================================================
   CERTIFICATE / MATERIAL LIST
   ============================================================ */
.list-header {
  background: var(--amarelo);
  padding: 32px 20px;
  text-align: center;
}

.list-header-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 8px;
}

.list-header h2 {
  color: var(--preto);
  font-size: 1.125rem;
}

.list-header .count {
  font-size: 0.875rem;
  color: var(--preto);
  margin-top: 4px;
}

.list-header .count strong {
  font-weight: 800;
}

.list-brand {
  background: var(--preto);
  padding: 20px;
  text-align: center;
}

.list-brand img {
  height: 32px;
  margin: 0 auto;
}

.list-section-title {
  padding: 20px 20px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cinza-500);
  text-align: center;
}

.list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--cinza-100);
}

.list-item .num {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--amarelo);
  width: 24px;
  text-align: center;
}

.list-item .info {
  flex: 1;
  min-width: 0;
}

.list-item .info h4 {
  font-size: 0.875rem;
  font-weight: 700;
}

.list-item .info p {
  font-size: 0.75rem;
  color: var(--cinza-500);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-item .actions {
  display: flex;
  gap: 16px;
}

.list-item .action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: var(--cinza-500);
  font-size: 0.625rem;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font);
}

.list-item .action-btn svg {
  width: 20px;
  height: 20px;
}

.list-item .action-btn:hover {
  color: var(--amarelo);
}

/* ============================================================
   FORUM
   ============================================================ */
.forum-input {
  padding: 16px 20px;
  background: var(--cinza-100);
}

.forum-input input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--cinza-300);
  border-radius: var(--radius-full);
  font-family: var(--font);
  font-size: 0.875rem;
  outline: none;
  background: var(--branco);
}

.forum-input input:focus {
  border-color: var(--amarelo);
}

.forum-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
}

.forum-tab {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--cinza-100);
  color: var(--cinza-700);
  border: none;
  font-family: var(--font);
  transition: all 0.2s;
}

.forum-tab.active {
  background: var(--amarelo);
  color: var(--preto);
}

.forum-post {
  padding: 16px 20px;
  border-bottom: 1px solid var(--cinza-100);
}

.forum-post-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--preto);
  margin-bottom: 4px;
}

.forum-post-meta {
  font-size: 0.75rem;
  color: var(--cinza-500);
  margin-bottom: 8px;
}

.forum-post-excerpt {
  font-size: 0.8125rem;
  color: var(--cinza-700);
  line-height: 1.5;
}

.forum-post-replies {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 4px 10px;
  background: var(--amarelo-light);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--preto);
  cursor: pointer;
}

/* ============================================================
   PLAN / PRICING
   ============================================================ */
.plan-card {
  margin: 20px;
  background: var(--amarelo);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.plan-card h2 {
  font-size: 1.25rem;
  color: var(--preto);
  margin-bottom: 4px;
}

.plan-card .trial {
  font-size: 0.8125rem;
  color: var(--preto);
  opacity: 0.8;
  margin-bottom: 4px;
}

.plan-card .price {
  font-size: 2rem;
  font-weight: 900;
  color: var(--preto);
}

.plan-card .price small {
  font-size: 0.875rem;
  font-weight: 500;
}

.plan-card .note {
  font-size: 0.75rem;
  color: var(--preto);
  opacity: 0.7;
  margin-top: 4px;
}

.plan-features {
  padding: 20px;
}

.plan-feature {
  display: flex;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--cinza-100);
}

.plan-feature-icon {
  flex: 0 0 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amarelo);
}

.plan-feature-icon svg {
  width: 28px;
  height: 28px;
}

.plan-feature h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.plan-feature p {
  font-size: 0.8125rem;
  color: var(--cinza-500);
  line-height: 1.5;
}

/* ============================================================
   PROFILE / SETTINGS
   ============================================================ */
.profile-header {
  text-align: center;
  padding: 24px 20px;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 12px;
  border: 3px solid var(--amarelo);
}

.settings-group {
  padding: 0 20px;
  margin-bottom: 16px;
}

.settings-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--cinza-500);
  padding: 12px 0 8px;
}

.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--cinza-100);
  cursor: pointer;
}

.settings-item span {
  font-size: 0.9375rem;
  color: var(--preto);
}

.settings-item svg {
  width: 18px;
  height: 18px;
  color: var(--cinza-300);
}

/* ============================================================
   COMMUNITY GRID
   ============================================================ */
.community-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 0 20px 20px;
}

.community-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
  cursor: pointer;
}

.community-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.community-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 30%, rgba(0,0,0,0.75));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10px;
}

.community-card-overlay h4 {
  color: var(--branco);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.community-card-overlay span {
  color: rgba(255,255,255,0.7);
  font-size: 0.625rem;
}

/* ============================================================
   VIP BANNER
   ============================================================ */
.vip-banner {
  margin: 0 20px 16px;
  padding: 16px;
  border: 2px solid var(--amarelo);
  border-radius: var(--radius-md);
  text-align: center;
}

.vip-banner h4 {
  color: var(--amarelo);
  font-size: 0.875rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.vip-banner p {
  font-size: 0.8125rem;
  color: var(--cinza-700);
  margin-bottom: 12px;
}

.vip-banner .btn {
  width: auto;
  display: inline-flex;
  padding: 8px 20px;
  font-size: 0.8125rem;
}

/* ============================================================
   CONTINUE WATCHING
   ============================================================ */
.continue-section {
  padding: 0 20px 16px;
}

.continue-card {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: var(--cinza-100);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s;
}

.continue-card:hover {
  background: var(--cinza-300);
}

.continue-card-thumb {
  flex: 0 0 120px;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.continue-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.continue-card-thumb .duration {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0,0,0,0.8);
  color: var(--branco);
  font-size: 0.625rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
}

.continue-card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.continue-card-info h4 {
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.continue-card-info p {
  font-size: 0.75rem;
  color: var(--cinza-500);
}

.continue-card-info .progress-bar {
  height: 3px;
  background: var(--cinza-300);
  border-radius: 2px;
  margin-top: 8px;
  overflow: hidden;
}

.continue-card-info .progress-bar-fill {
  height: 100%;
  background: var(--amarelo);
  border-radius: 2px;
}

/* ============================================================
   SPLASH
   ============================================================ */
.splash-screen {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--preto);
  padding: 40px;
}

.splash-screen img {
  width: 180px;
  margin-bottom: 24px;
}

.splash-screen .loader {
  width: 40px;
  height: 40px;
  border: 3px solid var(--cinza-900);
  border-top-color: var(--amarelo);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   PAGE CONTENT (with nav padding)
   ============================================================ */
.page-content {
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom) + 16px);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }
.text-amarelo { color: var(--amarelo); }
.text-cinza { color: var(--cinza-500); }
.text-sm { font-size: 0.8125rem; }
.text-xs { font-size: 0.75rem; }
.fw-bold { font-weight: 700; }
.fw-800 { font-weight: 800; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.px-20 { padding-left: 20px; padding-right: 20px; }
.py-16 { padding-top: 16px; padding-bottom: 16px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none; }

/* ============================================================
   RESPONSIVE (tablet+)
   ============================================================ */
@media (min-width: 431px) {
  .app {
    border-left: 1px solid var(--cinza-100);
    border-right: 1px solid var(--cinza-100);
    box-shadow: 0 0 40px rgba(0,0,0,0.05);
  }
}