/* ========================================
   CopiaTexto - Theme (Light & Dark)
   ======================================== */

/* ROOT - Light Theme */
:root {
  --color-primary: #4f46e5;
  --color-primary-light: #6366f1;
  --color-primary-dark: #4338ca;

  --color-secondary: #db2777;
  --color-secondary-light: #ec4899;
  --color-secondary-dark: #be185d;

  --color-accent: #d97706;

  --color-success: #059669;
  --color-warning: #d97706;
  --color-error: #dc2626;
  --color-info: #2563eb;

  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-overlay: rgba(0, 0, 0, 0.05);

  --text-primary: #171717;
  --text-secondary: #404040;
  --text-tertiary: #6b7280;
  --text-inverse: #ffffff;

  --border-color: #d1d5db;
  --border-color-light: #e5e7eb;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);

  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* DARK THEME */
[data-theme="dark"] {
  --bg-primary: #0a0a0a;
  --bg-secondary: #171717;
  --bg-tertiary: #262626;
  --bg-overlay: rgba(0, 0, 0, 0.4);

  --text-primary: #f5f5f5;
  --text-secondary: #d4d4d4;
  --text-tertiary: #a3a3a3;
  --text-inverse: #0a0a0a;

  --border-color: #404040;
  --border-color-light: #262626;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);

  --color-primary: #a5b4fc;
  --color-primary-light: #c7d2fe;
  --color-primary-dark: #818cf8;

  --color-secondary: #f9a8d4;
  --color-secondary-dark: #f472b6;
}

/* ========================================
   LOADING SCREEN
   ======================================== */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.loading-screen--hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-screen__content {
  text-align: center;
  animation: loadingPulse 1.5s ease-in-out infinite;
}

.loading-screen__logo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
  margin-bottom: 12px;
}

.loading-screen__text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

@keyframes loadingPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.7; }
}

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

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

body {
  font-family: var(--font);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.4;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-base), color var(--transition-base);
  padding-bottom: 80px;
}

.container {
  width: 100%;
  max-width: 100%;
  padding: 0 14px;
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 6px 0;
  transition: background-color var(--transition-base);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.header__icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  object-fit: contain;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header__link {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.header__link:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  text-decoration: none;
}

.header__link--active {
  background: var(--bg-tertiary);
  color: var(--color-primary);
}

/* ========================================
   THEME TOGGLE / HEADER BUTTONS
   ======================================== */
.header__actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.header-btn:hover {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* ========================================
   MAIN
   ======================================== */
.main {
  flex: 1;
  padding: 14px 0;
}

/* ========================================
   HERO
   ======================================== */
.hero {
  text-align: center;
  padding: 10px 0 14px;
}

.hero__title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

.hero__subtitle {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.usage-counter {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ========================================
   UPLOAD AREA
   ======================================== */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-xl);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  background: var(--bg-secondary);
}

.upload-area:hover,
.upload-area--active {
  border-color: var(--color-primary);
  background: var(--bg-tertiary);
}

.upload-area__icon {
  font-size: 2rem;
  color: var(--text-tertiary);
}

.upload-area__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.upload-area__hint {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* ========================================
   PREVIEW
   ======================================== */
.preview {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.preview__image {
  width: 100%;
  max-height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.preview__actions {
  display: flex;
  gap: 10px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 42px;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: white;
}

.btn--full {
  width: 100%;
}

.btn--sm {
  min-height: 36px;
  padding: 6px 10px;
  font-size: 0.8125rem;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========================================
   CARD
   ======================================== */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

/* ========================================
   RESULT
   ======================================== */
.result {
  margin-top: 14px;
}

.result__label {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.result__text {
  width: 100%;
  height: 140px;
  padding: 10px;
  font-size: 0.875rem;
  font-family: var(--font);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  resize: vertical;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.result__text:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

.result__actions {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.result__actions .btn {
  flex: 1;
}

/* Result Tips */
.result__tips {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px;
}

.result__tip-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.result__tip-list {
  list-style: none;
  margin-bottom: 12px;
}

.result__tip-list li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.result__tip-list li::before {
  content: "\2022";
  color: var(--color-primary);
  font-weight: 700;
  position: absolute;
  left: 0;
}

.result__signup {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 12px;
  text-align: center;
}

.result__signup p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.result__signup strong {
  color: var(--color-primary);
}

/* ========================================
   LOADING
   ======================================== */
.loading {
  display: none;
  text-align: center;
  padding: 20px;
}

.loading--visible {
  display: block;
}

.loading__spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 6px;
}

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

.loading__text {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* ========================================
   TOAST
   ======================================== */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  background: var(--color-primary);
  color: white;
  padding: 10px 16px;
  border-radius: var(--radius-lg);
  font-size: 0.8125rem;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  max-width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.toast--visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  padding: 10px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer__text {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* ========================================
   FORMS
   ======================================== */
.form-group {
  margin-bottom: 10px;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 10px;
  font-size: 0.9375rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast), background-color var(--transition-base);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

/* ========================================
   PASSWORD TOGGLE
   ======================================== */
.input-password {
  position: relative;
}

.input-password .form-input {
  padding-right: 44px;
}

.input-password__toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.input-password__toggle:hover {
  background: var(--bg-tertiary);
}

/* ========================================
   MODAL
   ======================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 20px;
  width: 100%;
  max-width: 360px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.modal__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.modal__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.modal__plan {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  padding: 14px;
  margin-bottom: 14px;
}

.modal__plan h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.modal__price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.modal__price span {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-tertiary);
}

.modal__features {
  list-style: none;
  text-align: left;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.modal__features li {
  padding: 4px 0;
}

.modal__features li::before {
  content: "\2713 ";
  color: var(--color-success);
  font-weight: 700;
}

/* ========================================
   UTILITIES
   ======================================== */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 14px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 14px; }

/* ========================================
   UPLOAD TIPS (TAREFA 05)
   ======================================== */
.upload-tips {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px;
  margin-top: 12px;
}

.upload-tips__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.upload-tips__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.upload-tips__list li {
  font-size: 0.75rem;
  color: var(--text-secondary);
  padding: 3px 0;
  padding-left: 16px;
  position: relative;
}

.upload-tips__list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* ========================================
   PLATFORMS (TAREFA 02)
   ======================================== */
.platforms {
  text-align: center;
  margin-bottom: 14px;
}

.platforms__label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.platforms__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.platforms__item {
  font-size: 0.6875rem;
  padding: 3px 8px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ========================================
   CREDITS CARD (TAREFA 03 + 04)
   ======================================== */
.credits-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px;
  margin-bottom: 12px;
}

.credits-card__info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.credits-card__label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.credits-card__value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
}

.credits-card__hint {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.credits-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  margin-top: 8px;
  overflow: hidden;
}

.credits-bar__fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  width: 100%;
}

.credits-bar__fill--warning {
  background: var(--color-warning);
}

.credits-bar__fill--danger {
  background: var(--color-error);
}

.credits-bar__text {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  text-align: right;
  margin-top: 4px;
}

/* ========================================
   PRIVACY BADGE (TAREFA 06)
   ======================================== */
.privacy-badge {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 10px;
}

.privacy-badge__icon {
  font-size: 1rem;
  flex-shrink: 0;
}

.privacy-badge__text {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}

/* ========================================
   SHARE BANNER
   ======================================== */
.share-banner {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 12px;
  margin-top: 12px;
  text-align: center;
}

.share-banner__text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ========================================
   CTA BANNER (TAREFA 07)
   ======================================== */
.cta-banner {
  background: var(--bg-secondary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 14px;
  margin-top: 12px;
  text-align: center;
}

.cta-banner__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.cta-banner__text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

/* ========================================
   PWA BANNER (TAREFA 09)
   ======================================== */
.pwa-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: white;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  z-index: 150;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

.pwa-banner__text {
  font-size: 0.8125rem;
  color: white;
}

.pwa-banner__close {
  background: none;
  border: none;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0 4px;
  opacity: 0.8;
}

.pwa-banner__close:hover {
  opacity: 1;
}

/* ========================================
   FOOTER INTELIGENTE (TAREFA 10)
   ======================================== */
.footer {
  padding: 14px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.footer__link {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.footer__link:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.footer__text {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
}

/* ========================================
   FAQ (TAREFA 10)
   ======================================== */
.faq-list {
  text-align: left;
  margin-bottom: 14px;
}

.faq-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item__q {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.faq-item__a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (min-width: 480px) {
  .hero__title { font-size: 1.5rem; }
  .preview__image { max-height: 200px; }
}

@media (min-width: 768px) {
  .container { max-width: 600px; margin: 0 auto; }
  .hero__title { font-size: 1.75rem; }
  .preview__image { max-height: 240px; }
  .result__text { height: 180px; }
}

@media (min-width: 1024px) {
  .container { max-width: 700px; }
  .hero__title { font-size: 2rem; }
  .preview__image { max-height: 280px; }
}

/* ========================================
   SECTION TITLE
   ======================================== */
.section-title {
  font-size: 1.125rem;
  font-weight: 700;
  text-align: center;
  color: var(--text-primary);
  margin-bottom: 14px;
}

/* ========================================
   COMO FUNCIONA (ETAPA 3)
   ======================================== */
.how-it-works {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
}

.steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.step {
  text-align: center;
  padding: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 280px;
}

.step__icon {
  font-size: 1.75rem;
  margin-bottom: 4px;
}

.step__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.step__arrow {
  font-size: 1.25rem;
  color: var(--color-primary);
}

/* ========================================
   EXEMPLOS DE USO (ETAPA 4)
   ======================================== */
.use-cases {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
}

.use-cases__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.use-case {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.use-case__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.use-case__text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* ========================================
   FAQ ACCORDION (ETAPA 5)
   ======================================== */
.faq-section {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.faq-accordion__item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-accordion__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  font-family: var(--font);
}

.faq-accordion__icon {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-accordion__item.active .faq-accordion__icon {
  transform: rotate(45deg);
}

.faq-accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-accordion__item.active .faq-accordion__content {
  max-height: 200px;
}

.faq-accordion__content p {
  padding: 0 12px 12px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ========================================
   PWA SECTION
   ======================================== */
.pwa-section {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.pwa-section__text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.pwa-section__hint {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: 8px;
  text-align: center;
}

/* PWA iOS Instructions */
.pwa-ios-instructions {
  display: none;
  margin-bottom: 12px;
}

.pwa-ios-instructions__step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.pwa-ios-instructions__step:last-child {
  margin-bottom: 0;
}

.pwa-ios-instructions__icon {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.pwa-ios-instructions__num {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

/* ========================================
   SHARE SECTION
   ======================================== */
.share-section {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.share-section__text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* ========================================
   FOOTER CONTACT
   ======================================== */
.footer__contact {
  font-size: 0.8125rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

/* ========================================
   PWA iOS INSTALL PROMPT
   ======================================== */
.pwa-ios-banner {
  display: none;
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 400px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  z-index: 99999;
  animation: pwa-banner-slide-down 0.4s ease-out;
}

@keyframes pwa-banner-slide-down {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.pwa-ios-banner__close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-tertiary);
  cursor: pointer;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.pwa-ios-banner__close:hover {
  background: var(--hover-bg);
}

.pwa-ios-banner__content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pwa-ios-banner__icon {
  flex-shrink: 0;
}

.pwa-ios-banner__icon img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.pwa-ios-banner__text {
  flex: 1;
}

.pwa-ios-banner__title {
  margin: 0 0 4px 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pwa-ios-banner__desc {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.pwa-ios-banner__share-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  background: var(--color-primary);
  color: white;
  border-radius: 4px;
  text-align: center;
  line-height: 20px;
  font-size: 12px;
  vertical-align: middle;
}

[data-theme="dark"] .pwa-ios-banner {
  background: #1a1a2e;
  border-color: #2d2d44;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

/* ========================================
   LAYOUT VIRAL - VIEW SYSTEM
   ======================================== */

.view { display: none; animation: viewFadeIn 0.3s ease; }
.view--active { display: block; }

@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hero Viral */
.hero-viral { text-align: center; padding: 24px 0 16px; }

.hero-viral__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 16px;
  animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.hero-viral__title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-viral__gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-viral__subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Social Proof */
.social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 20px;
}

.social-proof__avatars { display: flex; }

.social-proof__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  margin-right: -8px;
  border: 2px solid var(--bg-secondary);
}

.social-proof__avatar--1 { background: var(--color-primary); }
.social-proof__avatar--2 { background: var(--color-secondary); z-index: 1; }
.social-proof__avatar--3 { background: var(--color-accent); z-index: 2; }
.social-proof__avatar--4 { background: var(--color-success); z-index: 3; }

.social-proof__text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.social-proof__text strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* Upload Area Viral */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--bg-secondary);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.05);
  transform: scale(1.02);
}

.upload-area__icon {
  font-size: 3rem;
  margin-bottom: 12px;
  animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.upload-area__text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.upload-area__hint {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.upload-area__formats {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.format-badge {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

/* Credits Compact */
.credits-compact {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(236,72,153,0.1));
  border-radius: 12px;
  margin-bottom: 20px;
}

.credits-compact__icon { font-size: 1.25rem; }

.credits-compact__info { flex: 1; }

.credits-compact__value {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
}

.credits-compact__bar {
  width: 60px;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.credits-compact__fill {
  height: 100%;
  width: 75%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  border-radius: 3px;
  transition: width 0.5s ease;
}

.credits-compact__text {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* Step Cards Viral */
.steps-viral { margin: 24px 0; }
.steps-viral .section-title { text-align: center; margin-bottom: 16px; }

.step-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 12px;
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateX(5px);
  border-color: var(--color-primary);
}

.step-card__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.step-card__content h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.step-card__content p {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* Examples Grid Viral */
.examples-grid { margin: 24px 0; }

.grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.example-card {
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.example-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.example-card__icon {
  width: 16px;
  height: 16px;
  margin: 0 auto 8px;
}

.example-card__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.example-card__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Share Viral */
.share-viral {
  text-align: center;
  padding: 24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 16px;
  margin: 24px 0;
  color: white;
}

.share-viral__icon { font-size: 2rem; margin-bottom: 12px; }

.share-viral__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: white;
}

.share-viral__desc {
  font-size: 0.8125rem;
  opacity: 0.9;
  margin-bottom: 16px;
  color: white;
}

.share-viral__btn {
  display: inline-block;
  padding: 12px 24px;
  background: white;
  color: var(--color-primary);
  border: none;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-viral__btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

/* FAQ Viral */
.faq-viral { margin: 24px 0; }

.faq-viral__item {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.faq-viral__question {
  width: 100%;
  padding: 16px;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-viral__icon {
  font-size: 1.125rem;
  transition: transform 0.3s ease;
}

.faq-viral__item.faq-viral__item--open .faq-viral__icon {
  transform: rotate(180deg);
}

.faq-viral__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-viral__item.faq-viral__item--open .faq-viral__answer {
  max-height: 200px;
}

.faq-viral__answer p {
  padding: 0 16px 16px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  padding: 8px 0;
  padding-bottom: max(8px, env(safe-area-inset-bottom));
  z-index: 100;
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: none;
  border: none;
  color: var(--text-tertiary);
  -webkit-tap-highlight-color: transparent;
}

.bottom-nav__item--active { color: var(--color-primary); }

.bottom-nav__icon { font-size: 1.375rem; }

.bottom-nav__label {
  font-size: 0.6875rem;
  font-weight: 600;
}

/* Footer Viral */
.footer-viral {
  text-align: center;
  padding: 30px 0;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* View Placeholder (Biblioteca/Creditos) */
.view-placeholder { text-align: center; padding: 40px 20px; }

.view-placeholder__icon { font-size: 4rem; margin-bottom: 16px; }

.view-placeholder__title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.view-placeholder__badge {
  display: inline-block;
  background: var(--color-warning);
  color: var(--text-primary);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.view-placeholder__text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.view-placeholder__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.view-placeholder__feature {
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Credits Display (view creditos) */
.credits-display {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  color: white;
  margin-bottom: 20px;
}

.credits-display__number {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.credits-display__label {
  font-size: 1rem;
  opacity: 0.9;
}

/* Profile View */
.profile-view { text-align: center; padding: 30px 0; }

.profile-view__avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 16px;
}

.profile-view__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.profile-view__email {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.profile-view__menu {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.profile-view__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.profile-view__item:hover {
  transform: translateX(5px);
  background: var(--bg-tertiary);
}

.profile-view__item-icon { font-size: 1.25rem; }

.profile-view__item-text {
  font-size: 0.875rem;
  font-weight: 500;
  flex: 1;
  text-align: left;
}

.profile-view__item-arrow {
  font-size: 1.125rem;
  color: var(--text-tertiary);
}

.profile-view__item-badge {
  font-size: 0.6875rem;
  background: var(--color-warning);
  color: var(--text-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

/* Responsive */
@media (min-width: 768px) {
  .view { max-width: 600px; margin: 0 auto; }
  .bottom-nav {
    max-width: 480px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 16px 16px 0 0;
  }
}

/* ========================================
   LGPD - BANNER DE CONSENTIMENTO
   ======================================== */
.lgpd-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 16px;
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  animation: lgpdSlideUp 0.4s ease-out;
}

.lgpd-banner.hidden {
  display: none;
}

@keyframes lgpdSlideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.lgpd-banner__content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.lgpd-banner__text {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.lgpd-banner__link {
  color: var(--color-primary);
  text-decoration: underline;
}

.lgpd-banner__link:hover {
  color: var(--color-primary-hover);
}

.lgpd-banner__actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.lgpd-banner__btn {
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.lgpd-banner__btn--accept {
  background: var(--color-primary);
  color: #fff;
}

.lgpd-banner__btn--accept:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.lgpd-banner__btn--info {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.lgpd-banner__btn--info:hover {
  background: var(--bg-tertiary);
}

/* Footer LGPD text */
.footer__lgpd {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.footer__lgpd a {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-viral__lgpd {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: 6px;
}

.footer-viral__lgpd a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Privacy page */
.privacy-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 0 60px;
}

.privacy-page h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.privacy-page__updated {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: 24px;
}

.privacy-page h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.privacy-page p,
.privacy-page li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.privacy-page ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.privacy-page strong {
  color: var(--text-primary);
}

/* ========================================
   ABOUT PAGE
   ======================================== */
.about-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 0 60px;
}

.about-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

.about-section__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.about-section__icon {
  font-size: 1.5rem;
}

.about-section__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.about-section__content {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.about-section__content p {
  margin-bottom: 12px;
}

.about-section__content ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.about-section__content li {
  margin-bottom: 6px;
}

.about-section__content strong {
  color: var(--text-primary);
}

.about-section__content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.about-section__content a:hover {
  color: var(--color-primary-hover);
}

/* Update cards */
.about-update {
  background: var(--bg-tertiary);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
}

.about-update:last-child {
  margin-bottom: 0;
}

.about-update__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.about-update__version {
  background: var(--color-primary);
  color: #fff;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
}

.about-update__date {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.about-update__list {
  padding-left: 20px;
  margin: 0;
}

.about-update__list li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}