*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #8b5cf6;
  --color-primary-dark: #7c3aed;
  --color-primary-light: #a78bfa;
  --color-secondary: #ec4899;
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  --container-max-width: 1200px;
  --container-padding: var(--spacing-md);
}

:root {
  --era-pre-debut: #556b2f;
  --era-debut: #6b8e23;
  --era-fearless: #ffd700;
  --era-fearless-tv: #ffda44;
  --era-speak-now: #800080;
  --era-speak-now-tv: #9b30ff;
  --era-red: #dc2626;
  --era-red-tv: #ef4444;
  --era-1989: #0ea5e9;
  --era-1989-tv: #38bdf8;
  --era-reputation: #1f2937;
  --era-lover: #f472b6;
  --era-folklore: #9ca3af;
  --era-evermore: #a16207;
  --era-midnights: #1e1b4b;
  --era-ttpd: #6b7280;
  --era-tloas: #FF5C33;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-2xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")
    repeat;
  pointer-events: none;
}

.header__content {
  position: relative;
  z-index: 1;
}

.header__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.header__icon {
  font-size: var(--font-size-3xl);
  animation: bounce 2s infinite;
}

.header__subtitle {
  font-size: var(--font-size-lg);
  font-weight: 300;
  opacity: 0.9;
}

.header__subtitle a {
  color: #4b2994; /* Roxo escuro */
  text-decoration: underline;
  transition: color 0.2s;
}

.header__subtitle a:hover,
.header__subtitle a:focus {
  color: #2d165c; /* Roxo ainda mais escuro ao passar o mouse */
}

@keyframes bounce {
  0%,
  20%,
  53%,
  80%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  40%,
  43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}


.filters-section {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  transition: opacity 0.4s, height 0.4s;
  opacity: 1;
  visibility: visible;
  height: auto;
  overflow: visible;
}

.filters-section.oculto {
  opacity: 0;
  visibility: hidden;
  height: 0;
  overflow: hidden;
  pointer-events: none;
  transition: opacity 0.4s, height 0.4s;
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  align-items: end;
}

.filters__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.filters__label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

.filters__select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background: var(--color-surface);
  color: var(--color-text);
  transition: var(--transition-fast);
  cursor: pointer;
}

.filters__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.filters__clear {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-text-muted);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.filters__clear:hover {
  background: var(--color-text-secondary);
  transform: translateY(-1px);
}

.results-counter {
  margin-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}


.main {
  min-height: 60vh;
  padding: var(--spacing-2xl) 0;
}


.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) 0;
  gap: var(--spacing-lg);
}

.loading__spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.error {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.error__icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.error h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-error);
}

.error p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.error__retry {
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.error__retry:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-3xl) 0;
}

.empty-state__icon {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.empty-state p {
  color: var(--color-text-muted);
}

.content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.era-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.era-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  display: inline-block;
  align-self: flex-start;
  position: relative;
  overflow: hidden;
}

.era-title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: inherit;
  opacity: 0.1;
  z-index: -1;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  border: 1px solid var(--color-border-light);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.card:hover::before {
  transform: scaleX(1);
}

.card__header {
  margin-bottom: var(--spacing-lg);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
}

.card__type {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary-light);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card__meta {
  display: grid;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.card__meta-label {
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 100px;
}

.card__meta-value {
  color: var(--color-text);
}

.card__content {
  margin-bottom: var(--spacing-lg);
}

.card__description {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.card__link:hover {
  color: var(--color-primary-dark);
  transform: translateX(2px);
}

.card--pre-debut {
  --card-color: var(--era-pre-debut);
}
.card--debut {
  --card-color: var(--era-debut);
}
.card--fearless {
  --card-color: var(--era-fearless);
}
.card--fearless-tv {
  --card-color: var(--era-fearless-tv);
}
.card--speak-now {
  --card-color: var(--era-speak-now);
}
.card--speak-now-tv {
  --card-color: var(--era-speak-now-tv);
}
.card--red {
  --card-color: var(--era-red);
}
.card--red-tv {
  --card-color: var(--era-red-tv);
}
.card--1989 {
  --card-color: var(--era-1989);
}
.card--1989-tv {
  --card-color: var(--era-1989-tv);
}
.card--reputation {
  --card-color: var(--era-reputation);
}
.card--lover {
  --card-color: var(--era-lover);
}
.card--folklore {
  --card-color: var(--era-folklore);
}
.card--evermore {
  --card-color: var(--era-evermore);
}
.card--midnights {
  --card-color: var(--era-midnights);
}
.card--ttpd {
  --card-color: var(--era-ttpd);
}
.card--tloas {
  --card-color: var(--era-tloas);
}

.card[class*="card--"]::before {
  background: var(--card-color);
}

.card[class*="card--"] .card__type {
  background: var(--card-color);
  color: white;
}

.card[class*="card--"] .card__link {
  color: var(--card-color);
}

.card[class*="card--"] .card__link:hover {
  color: var(--card-color);
  opacity: 0.8;
}

.era-title--pre-debut {
  background: var(--era-pre-debut);
  color: white;
}
.era-title--debut {
  background: var(--era-debut);
  color: white;
}
.era-title--fearless {
  background: var(--era-fearless);
  color: var(--color-text);
}
.era-title--fearless-tv {
  background: var(--era-fearless-tv);
  color: var(--color-text);
}
.era-title--speak-now {
  background: var(--era-speak-now);
  color: white;
}
.era-title--speak-now-tv {
  background: var(--era-speak-now-tv);
  color: white;
}
.era-title--red {
  background: var(--era-red);
  color: white;
}
.era-title--red-tv {
  background: var(--era-red-tv);
  color: white;
}
.era-title--1989 {
  background: var(--era-1989);
  color: white;
}
.era-title--1989-tv {
  background: var(--era-1989-tv);
  color: white;
}
.era-title--reputation {
  background: var(--era-reputation);
  color: white;
}
.era-title--lover {
  background: var(--era-lover);
  color: white;
}
.era-title--folklore {
  background: var(--era-folklore);
  color: var(--color-text);
}
.era-title--evermore {
  background: var(--era-evermore);
  color: white;
}
.era-title--midnights {
  background: var(--era-midnights);
  color: white;
}
.era-title--ttpd {
  background: var(--era-ttpd);
  color: white;
}
.era-title--tloas {
  background: var(--era-tloas);
  color: white;
}

.footer {
  background: var(--color-text);
  color: white;
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer p {
  opacity: 0.8;
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--spacing-md);
  }

  .header {
    padding: var(--spacing-xl) 0;
  }

  .header__title {
    font-size: var(--font-size-3xl);
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .header__subtitle {
    font-size: var(--font-size-base);
  }

  .filters {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .filters__clear {
    order: -1;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .card {
    padding: var(--spacing-lg);
  }

  .card__meta {
    font-size: var(--font-size-xs);
  }

  .card__meta-label {
    min-width: 80px;
  }

  .era-title {
    font-size: var(--font-size-xl);
    align-self: stretch;
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: var(--spacing-sm);
  }

  .header__title {
    font-size: var(--font-size-2xl);
  }

  .filters-section {
    padding: var(--spacing-lg) 0;
  }

  .main {
    padding: var(--spacing-xl) 0;
  }

  .card {
    padding: var(--spacing-md);
  }

  .card__title {
    font-size: var(--font-size-lg);
  }

  .card__meta {
    grid-template-columns: 1fr;
  }

  .card__meta-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .card__meta-label {
    min-width: auto;
    font-size: var(--font-size-xs);
  }
}


@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-secondary: #000000;
  }

  .card {
    border: 2px solid var(--color-border);
  }
}


@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .header__icon {
    animation: none;
  }
}


@media print {
  .header,
  .filters-section,
  .footer {
    display: none;
  }

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }

  .card__link {
    color: #000;
    text-decoration: underline;
  }
}

.show-filters-btn {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 112; 

  display: inline-flex;
  align-items: center;
  justify-content: center;

  background: var(--color-primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;

  padding: 14px 22px;
  border: none;
  border-radius: 999px;
  box-shadow: 0 8px 16px rgba(0,0,0,.15);
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  min-width: 80px;
  user-select: none;

  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}

.show-filters-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0,0,0,.2); }
.show-filters-btn:active { transform: translateY(0);  box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.show-filters-btn:focus-visible { outline: 3px solid rgba(99,102,241,.35); outline-offset: 2px; }

@media (max-width: 420px) {
  .show-filters-btn {
    font-size: 14px;
    padding: 12px 18px;
    min-width: 70px;
  }
}

@media (min-width: 421px) and (max-width: 768px) {
  .show-filters-btn {
    font-size: 15px;
    padding: 13px 20px;
  }
}

@media (min-width: 769px) {
  .show-filters-btn {
    font-size: 16px;
    padding: 14px 22px;
  }
}

.filters-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.28);
  z-index: 109;         
  display: none;
}
.filters-backdrop.is-open { display: block; }

.filters-section.overlay {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  top: auto;
  bottom: 0;
  width: min(680px, 100vw);
  max-height: 80vh;
  overflow: auto;

  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  z-index: 111;

  animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
  from { transform: translate(-50%, 12px); opacity: 0; }
  to   { transform: translate(-50%, 0);   opacity: 1; }
}

@media (min-width: 900px) {
  .filters-section.overlay {
    top: 10vh;
    bottom: auto;
    border-radius: var(--radius-xl);
    max-height: 70vh;
  }
}



@media (max-width: 600px) {
  .filters__group,
  .filters__select,
  .filters__clear {
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
  }
  .filters__clear {
    margin-top: 10px;
    margin-bottom: 10px;
  }
}

@media (max-width: 600px) {
  .show-filters-btn {
    max-width: 100%;
    font-size: 16px;
    padding: 12px 0;
  }
}

.filters-section,
.filters-section .container,
.filters {
  width: 100%;
  box-sizing: border-box;
  max-width: 100%;
}

@media (max-width: 600px) {
  .container {
    padding: 0 4px;
  }
}

.filters__apply {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-success);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow-sm);
}

.filters__apply:hover {
  background: #0c9b6e; 
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

@media (max-width: 600px) {
  .filters__clear,
  .filters__apply {
    width: 100%;
    box-sizing: border-box;
    min-width: 0;
    margin-top: 10px;
  }
}