/**
 * Header e Footer - Atestado Fácil
 * Mobile First Design
 */

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffff;
  color: var(--color-text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 12px;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.site-logo:hover {
  color: var(--color-primary-hover);
}

.site-logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.site-logo span {
  display: none;
}

@media (min-width: 400px) {
  .site-logo span {
    display: inline;
  }
  
  .site-logo {
    font-size: 1.25rem;
  }
  
  .site-logo svg {
    width: 36px;
    height: 36px;
  }
}

/* Navigation */
.nav-main {
  display: none;
}

.nav-main a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 8px 0;
  transition: color 0.2s;
}

.nav-main a:hover {
  color: var(--color-primary);
}

.nav-main a[aria-current="page"] {
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-text);
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s;
}

.nav-toggle:hover {
  background: var(--color-primary-light);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-actions .btn {
  padding: 8px 12px;
  font-size: 0.8125rem;
}

.header-actions .btn-outline {
  display: none;
}

.header-actions .btn-primary {
  background: var(--color-primary);
  color: white;
}

.admin-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #9ca3af;
  transition: all 0.2s;
}

.admin-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* Mobile Menu Open */
.nav-main.open {
  display: flex;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  flex-direction: column;
  padding: 24px 16px;
  gap: 0;
  z-index: 99;
  overflow-y: auto;
  animation: slideDown 0.2s ease-out;
}

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

.nav-main.open a {
  padding: 16px 0;
  font-size: 1.125rem;
  border-bottom: 1px solid var(--color-border);
}

.nav-main.open a:last-child {
  border-bottom: none;
}

/* Tablet */
@media (min-width: 576px) {
  .header-actions .btn {
    padding: 10px 16px;
    font-size: 0.875rem;
  }
}

/* Desktop */
@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-main {
    display: flex;
    align-items: center;
    gap: 28px;
  }
  
  .header-actions .btn-outline {
    display: inline-flex;
  }
  
  .header-actions .btn {
    padding: 10px 20px;
    font-size: 0.9375rem;
  }
}

/* Notebooks pequenos - Header */
@media (min-width: 992px) and (max-width: 1366px) {
  .site-logo {
    font-size: 1.125rem;
  }
  
  .site-logo svg {
    width: 32px;
    height: 32px;
  }
  
  .nav-main {
    gap: 20px;
  }
  
  .nav-main a {
    font-size: 0.875rem;
  }
  
  .header-actions {
    gap: 6px;
  }
  
  .header-actions .btn {
    padding: 8px 14px;
    font-size: 0.8125rem;
  }
}

/* ========== FOOTER ========== */
.site-footer {
  background: #f8fafc;
  color: var(--color-text-muted);
  padding: 40px 0 24px;
  margin-top: 48px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

/* Footer Brand */
.footer-brand .site-logo {
  margin-bottom: 12px;
}

.footer-brand .site-logo span {
  display: inline;
}

.footer-brand > p {
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 16px;
  color: var(--color-text-muted);
}

/* Footer Social */
.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.footer-social a:hover {
  background: var(--color-primary);
  color: white;
}

/* Footer Columns */
.footer-col h4 {
  color: var(--color-text);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--color-primary);
}

/* Footer Bottom */
.footer-bottom {
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 0.8125rem;
  text-align: center;
}

.footer-legal {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-legal a {
  color: var(--color-text-muted);
}

.footer-legal a:hover {
  color: var(--color-primary);
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-success);
  font-weight: 600;
  font-size: 0.75rem;
}

/* Tablet */
@media (min-width: 576px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
  
  .footer-social a {
    width: 40px;
    height: 40px;
  }
}

/* Desktop */
@media (min-width: 992px) {
  .site-footer {
    padding: 48px 0 24px;
    margin-top: 64px;
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
  }
  
  .footer-col h4 {
    font-size: 0.875rem;
    margin-bottom: 16px;
  }
  
  .footer-col a {
    font-size: 0.9375rem;
  }
  
  .footer-bottom {
    font-size: 0.875rem;
  }
  
  .footer-badge {
    font-size: 0.8125rem;
  }
}

/* Notebooks pequenos - Footer */
@media (min-width: 992px) and (max-width: 1366px) {
  .site-footer {
    padding: 36px 0 20px;
    margin-top: 48px;
  }
  
  .footer-grid {
    gap: 24px;
    margin-bottom: 28px;
  }
  
  .footer-brand > p {
    font-size: 0.8125rem;
    max-width: 240px;
  }
  
  .footer-social a {
    width: 36px;
    height: 36px;
  }
  
  .footer-col h4 {
    font-size: 0.75rem;
    margin-bottom: 12px;
  }
  
  .footer-col li {
    margin-bottom: 6px;
  }
  
  .footer-col a {
    font-size: 0.8125rem;
  }
  
  .footer-bottom {
    padding-top: 16px;
    font-size: 0.75rem;
  }
}