/* Layout: sidebar + conteúdo + tela de login */

/* === LOGIN === */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-body);
}

.login-card {
  width: 380px;
  max-width: 90vw;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-modal);
  padding: 40px 32px;
  text-align: center;
}

.login-brand { margin-bottom: var(--space-8); }

.login-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--bg-sidebar);
  letter-spacing: -0.5px;
}

.login-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-top: var(--space-1);
}

.login-error {
  font-size: var(--font-size-sm);
  color: var(--status-danger);
  margin-top: var(--space-4);
  min-height: 20px;
}

.login-footer {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--space-8);
}

/* === APP LAYOUT === */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* === SIDEBAR === */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #fff;
  display: block;
}

.brand-sub {
  font-size: var(--font-size-xs);
  color: var(--text-sidebar);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 2px;
  display: block;
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px 20px;
  color: var(--text-sidebar);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--bg-sidebar-active);
  color: var(--text-sidebar-active);
  border-left-color: var(--color-primary);
}

.nav-item svg,
.nav-item i {
  width: 18px;
  height: 18px;
  opacity: 0.7;
}

.nav-item.active svg,
.nav-item.active i {
  opacity: 1;
}

.nav-separator {
  height: 1px;
  background: rgba(255,255,255,0.08);
  margin: var(--space-3) 20px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: var(--font-size-xs);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.sidebar-user-name {
  color: #fff;
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.sidebar-user-role {
  color: var(--text-sidebar);
  font-size: var(--font-size-xs);
}

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--bg-sidebar-active);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-sidebar);
  font-size: var(--font-size-xs);
  cursor: pointer;
  padding: 6px 0;
  transition: color 0.15s;
}

.btn-logout:hover { color: var(--status-danger); }

/* === MAIN CONTENT === */
.main-content {
  flex: 1;
  margin-left: 240px;
  background: var(--bg-body);
  min-height: 100vh;
}

.content-wrapper {
  padding: var(--space-8);
  max-width: 1440px;
}

/* === PAGE HEADER === */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.page-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-primary);
}

/* === LOADING === */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-muted);
  gap: var(--space-3);
}

.spin {
  animation: spin 1s linear infinite;
}

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

/* === MOBILE === */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-sidebar);
  color: #fff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: flex;
  }

  .main-content {
    margin-left: 0;
  }

  .content-wrapper {
    padding: var(--space-4);
    padding-top: 60px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
}