.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top right, #1e1b4b 0%, #090d16 60%);
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.login-card h1 {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin: 8px 0 6px;
}

.login-card p {
  font-size: 13px;
  color: var(--text-muted);
}

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  padding: 20px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.sidebar .tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent-primary);
  margin-bottom: 4px;
}

.sidebar h2 {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 24px;
}

.menu button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}

.menu button:hover {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
}

.menu button.active {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.main-content {
  margin-left: 260px;
  flex: 1;
  padding: 28px 36px;
  max-width: 1400px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.split {
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
}

.support-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  height: calc(100vh - 120px);
}


/* ========================================================== */
/* FTHYRK SUPERADMIN - LAYOUT GRID & RESPONSIVIDADE REAL      */
/* ========================================================== */
.app {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
  overflow-x: hidden;
}

.sidebar {
  width: 260px;
  background: var(--bg-sidebar, #0d1322);
  border-right: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
  padding: 20px;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.main-content {
  margin-left: 260px !important;
  flex: 1 !important;
  padding: 28px 36px !important;
  max-width: calc(100vw - 260px) !important;
  box-sizing: border-box !important;
  min-width: 0 !important;
  overflow-x: hidden !important;
}

.support-grid {
  display: grid;
  grid-template-columns: minmax(280px, 340px) 1fr;
  gap: 20px;
  min-height: calc(100vh - 120px);
}

.mobile-header-bar {
  display: none;
}

@media (max-width: 1024px) {
  .app {
    display: block;
  }

  .mobile-header-bar {
    display: flex;
    width: 100%;
    box-sizing: border-box;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #0d1322;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: sticky;
    top: 0;
    z-index: 90;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    box-shadow: 4px 0 24px rgba(0,0,0,0.5);
  }

  .sidebar.mobile-open {
    transform: translateX(0) !important;
  }

  .main-content {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100vw !important;
    padding: 16px !important;
  }

  .support-grid {
    grid-template-columns: 1fr;
    height: auto;
  }
}