:root {
  --background: #ffffff;
  --foreground: #101010;
  --primary: #1a73e8;
  --primary-hover: #0f5bc1;
  --border: #d7d7d7;
  --muted: #5a5a5a;
  --success: #1d9d4a;
  --danger: #d93025;
  font-size: 16px;
  font-family: "Inter", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--foreground);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem;
}

#app {
  width: min(960px, 100%);
}

.card,
#app-view {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

h1,
 h2,
 h3 {
  margin: 0;
  font-weight: 600;
}

.subtitle {
  margin: 0.5rem 0 2rem;
  color: var(--muted);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.input-group span {
  font-size: 0.95rem;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"] {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 1rem;
}

.primary-button,
.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: none;
  background: var(--primary);
  color: var(--background);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.primary-button:hover,
.nav-button:hover {
  background: var(--primary-hover);
}

.nav-button.secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.nav-button.secondary:hover {
  color: var(--background);
}

.nav-button.active {
  background: var(--primary-hover);
}

.error-message {
  color: var(--danger);
  min-height: 1.5rem;
  margin-top: 1rem;
}

.hidden {
  display: none;
}

.app-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.status-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
}

.status-card h3 {
  color: var(--muted);
  font-weight: 500;
}

.status-card .status-value {
  font-size: 1.1rem;
  font-weight: 600;
}

.status-ok {
  color: var(--success);
}

.status-warning {
  color: var(--danger);
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  background: #f8f9fb;
  font-weight: 600;
  font-size: 0.9rem;
}

td {
  font-size: 0.95rem;
}

.table-wrapper button {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: none;
  background: var(--primary);
  color: var(--background);
  font-weight: 600;
  cursor: pointer;
}

.links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.links button {
  flex: 1;
}

.form-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  display: grid;
  gap: 1.25rem;
}

.form-description {
  color: var(--muted);
  margin: 0;
}

.form-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form-grid .input-group {
  margin-bottom: 0;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
}

.form-message {
  margin: 0;
  font-weight: 600;
  min-height: 1.5rem;
}

.success-message {
  color: var(--success);
}

.wallbox-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.wallbox-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.wallbox-info {
  flex: 1 1 240px;
}

.wallbox-info h3 {
  margin-bottom: 0.35rem;
}

.wallbox-meta {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.wallbox-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-start;
}

.wallbox-status {
  margin: 0;
  font-weight: 600;
  min-height: 1.5rem;
}

@media (max-width: 720px) {
  body {
    align-items: flex-start;
  }

  .card,
  #app-view {
    padding: 1.5rem 1rem;
  }

  .navigation {
    flex-direction: column;
  }

  th,
  td {
    white-space: normal;
  }
}