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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  color: var(--color-texto);
  background-color: var(--color-fundo);
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: var(--color-verde-medio);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: var(--text-base);
}

ul, ol {
  list-style: none;
}

h1, h2 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: 1.2;
}

h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--fw-light);
  line-height: 1.2;
}

:focus-visible {
  outline: 2px solid var(--color-verde-claro);
  outline-offset: 2px;
}

/* App header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 var(--space-5);
  background: linear-gradient(135deg, #0d2226 0%, var(--color-verde-escuro) 35%, var(--color-verde-medio) 100%);
  color: var(--color-branco);
  gap: var(--space-4);
  box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}

.app-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.app-header__logo img {
  height: 32px;
  width: auto;
}

.app-header__logo-text {
  font-size: var(--text-xs);
  color: var(--color-verde-muted);
  font-weight: 500;
  display: none;
}

@media (min-width: 768px) {
  .app-header__logo-text {
    display: block;
  }
}

.app-header__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-branco);
  flex: 1;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 768px) {
  .app-header__title {
    font-size: var(--text-2xl);
  }
}

.app-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .app-header {
    padding: 0 var(--space-3);
    gap: var(--space-2);
  }

  /* Hide left logo block — frees ~50px for the center title */
  .app-header__logo {
    display: none;
  }

  /* Shrink circuito logo in center on mobile */
  .logo-circuito-header {
    height: 22px !important;
  }

  .app-header__title {
    font-size: var(--text-base);
  }

  .lang-btn {
    min-width: 28px;
    min-height: 28px;
    padding: 2px var(--space-1);
    font-size: 10px;
  }
}

.btn-back {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-branco);
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  min-width: 44px;
  min-height: 44px;
}

.btn-back:hover {
  background: rgba(255,255,255,0.15);
  text-decoration: none;
}

/* Lang switcher */
.lang-switcher {
  display: flex;
  gap: var(--space-1);
}

.lang-btn {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-verde-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  min-width: 32px;
  min-height: 32px;
  text-align: center;
}

.lang-btn:hover,
.lang-btn.active {
  background: rgba(255,255,255,0.2);
  color: var(--color-branco);
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bege) 25%,
    var(--color-bege-escuro) 50%,
    var(--color-bege) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s infinite;
  border-radius: var(--radius-md);
}

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

@media (prefers-reduced-motion: reduce) {
  .skeleton {
    animation: none;
    background: var(--color-bege);
  }
}

/* Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 600;
  transition: all var(--transition-fast);
  min-height: 44px;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-verde-medio);
  color: var(--color-branco);
  border: none;
}

.btn-primary:hover {
  background: var(--color-verde-escuro);
}

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

.btn-secondary:hover {
  background: var(--color-verde-medio);
  color: var(--color-branco);
}

.btn-danger {
  background: var(--color-erro);
  color: var(--color-branco);
  border: none;
}

.btn-danger:hover {
  background: #a93226;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-5);
  text-align: center;
  color: var(--color-texto-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: var(--text-lg);
  color: var(--color-texto);
}

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  text-align: center;
  color: var(--color-erro);
}

/* Status banners (ponto page) */
.banner-status {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  border-left: 4px solid;
}

.banner-status__icon {
  font-size: var(--text-2xl);
  flex-shrink: 0;
  line-height: 1;
}

.banner-status strong {
  display: block;
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.banner-status p {
  font-size: var(--text-sm);
  margin: 0;
  opacity: 0.9;
}

.banner-status--manutencao {
  background: #FEF3C7;
  color: #78350F;
  border-color: #F59E0B;
}

.banner-status--inativo {
  background: #F3F4F6;
  color: #374151;
  border-color: #9CA3AF;
}