/* ========================================
   BRAND STYLES - Dra. Karianny Tolentino Sabatini
   Dermatologia Veterinária
   ======================================== */

:root {
  /* Superfícies (base branca) */
  --surface-base: #ffffff; /* body, páginas */
  --surface-muted: #fafafa; /* barras secundárias, áreas neutras */
  --surface-card: #ffffff; /* cards/tabelas */
  --border-subtle: #e5e7eb; /* bordas discretas */

  /* Texto neutro */
  --text-900: #1f2937; /* principal em fundo claro */
  --text-700: #374151; /* secundário */
  --text-500: #6b7280; /* texto terciário */
  --text-inverse: #ffffff; /* em fundos escuros (quando houver) */

  /* Escala de rosa da marca (baseada na cor exata da logo #d6938a) */
  --brand-rose-50: #f7f0ef; /* highlights suaves / seleção leve */
  --brand-rose-100: #f0e6e4; /* chips / linhas ativas */
  --brand-rose-200: #e6d4d1; /* bordas de destaque */
  --brand-rose-500: #d6938a; /* primária (cor exata da logo) */
  --brand-rose-600: #d6938a; /* primária (botões/links) */
  --brand-rose-700: #c4847b; /* hover/ativo */

  /* Aliases práticos */
  --primary: var(--brand-rose-600);
  --primary-hover: var(--brand-rose-700);
  --accent: var(--brand-rose-500);
  --focus-ring: rgba(214, 147, 138, 0.45); /* anel de foco acessível */

  /* Cores de status (mantendo acessibilidade) */
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --error: #ef4444;
  --error-light: #fee2e2;
  --info: var(--primary);
  --info-light: var(--brand-rose-50);
}

/* ========================================
   HEADER E FOOTER BRAND
   ======================================== */

.header-brand--light {
  background: var(--primary);
  color: var(--text-inverse);
  border-bottom: 1px solid var(--brand-rose-700);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.brand {
  display: flex;
  align-items: center;
  gap: 20px;
  text-decoration: none;
  color: inherit;
  transition: opacity 0.2s ease;
}

.brand:hover {
  opacity: 0.8;
}

.brand img {
  width: 96px;
  height: 96px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title {
  color: var(--text-inverse);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  margin: 0;
  white-space: nowrap;
}

.brand-subtitle {
  display: block;
  font-size: 12px;
  color: var(--brand-rose-100);
  font-weight: 400;
  margin: 0;
  white-space: nowrap;
}

.footer-brand {
  background: var(--primary);
  color: var(--text-inverse);
  border-top: 1px solid var(--brand-rose-700);
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
}

.footer-brand h3 {
  color: var(--text-inverse);
  margin-bottom: var(--spacing-2);
}

.footer-brand p {
  color: var(--brand-rose-100);
  margin-bottom: var(--spacing-3);
}

.footer-brand .footer-links a {
  color: var(--brand-rose-100);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-brand .footer-links a:hover {
  color: var(--text-inverse);
}

/* ========================================
   BOTÕES BRAND
   ======================================== */

.btn-primary {
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(196, 131, 126, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(196, 131, 126, 0.3);
}

.btn-secondary {
  background: var(--surface-base);
  color: var(--primary);
  border: 1px solid var(--brand-rose-200);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--brand-rose-50);
  border-color: var(--brand-rose-300);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  transition: all 0.2s ease;
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-inverse);
}

/* ========================================
   LINKS E NAVEGAÇÃO
   ======================================== */

.link-brand {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.link-brand:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.main-nav .nav-link {
  color: var(--text-inverse);
}

.main-nav .nav-link.active {
  color: var(--text-inverse);
  border-bottom: 2px solid var(--text-inverse);
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.1);
}

.main-nav .nav-link:hover {
  color: var(--text-inverse);
  background-color: rgba(255, 255, 255, 0.1);
}

/* ========================================
   FORMULÁRIOS
   ======================================== */

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--brand-rose-50);
}

.form-checkbox:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.form-radio:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

/* ========================================
   CARDS E SUPERFÍCIES
   ======================================== */

.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.data-table {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
}

.data-table th {
  background: var(--surface-muted);
  color: var(--text-900);
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  border-bottom: 1px solid var(--border-subtle);
}

/* ========================================
   BADGES E CHIPS
   ======================================== */

.badge {
  background: var(--brand-rose-50);
  color: var(--brand-rose-700);
  border: 1px solid var(--brand-rose-200);
  font-weight: 500;
}

.badge-primary {
  background: var(--primary);
  color: var(--text-inverse);
  border: none;
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid var(--success);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.badge-error {
  background: var(--error-light);
  color: var(--error);
  border: 1px solid var(--error);
}

/* ========================================
   CALENDÁRIO
   ======================================== */

.cal-day.is-selected {
  background: var(--brand-rose-100);
  border: 2px solid var(--primary);
  color: var(--text-900);
}

.cal-count {
  background: var(--primary);
  color: var(--text-inverse);
}

.cal-count.appointments {
  background: var(--primary);
}

.cal-count.vaccines {
  background: var(--accent);
}

/* ========================================
   VACINAS E PRONTUÁRIOS
   ======================================== */

.vaccine-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--primary);
}

.vaccine-card:hover {
  box-shadow: 0 4px 12px rgba(196, 131, 126, 0.15);
}

.prontuario-item {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--primary);
}

/* ========================================
   DASHBOARD
   ======================================== */

.dashboard-stats .stat-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
}

.dashboard-stats .stat-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(196, 131, 126, 0.1);
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 1024px) {
  .brand-title {
    font-size: 14px;
  }

  .brand-subtitle {
    font-size: 11px;
  }
}

@media (max-width: 768px) {
  .brand-text {
    display: none;
  }

  .brand img {
    width: 80px;
    height: 80px;
  }

  .header-container {
    height: 100px;
    min-height: 100px;
  }
}

@media (max-width: 480px) {
  .brand {
    gap: 8px;
  }

  .brand img {
    width: 72px;
    height: 72px;
  }

  .header-container {
    height: 90px;
    min-height: 90px;
  }
}

/* ========================================
   UTILITÁRIOS
   ======================================== */

.text-brand {
  color: var(--primary);
}

.bg-brand {
  background: var(--primary);
}

.border-brand {
  border-color: var(--primary);
}

.shadow-brand {
  box-shadow: 0 4px 12px rgba(196, 131, 126, 0.15);
}

/* ========================================
   ANIMAÇÕES
   ======================================== */

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

.fade-in-brand {
  animation: fadeInBrand 0.3s ease-out;
}

/* ========================================
   ACESSIBILIDADE
   ======================================== */

/* Foco visível para todos os elementos interativos */
*:focus {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* Contraste adequado para texto */
.text-contrast {
  color: var(--text-900);
}

.text-contrast-muted {
  color: var(--text-700);
}

/* Estados de loading */
.loading-brand {
  background: linear-gradient(
    90deg,
    var(--brand-rose-50) 25%,
    var(--brand-rose-100) 50%,
    var(--brand-rose-50) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}