:root {
  /* Professionelle Farben für Gebäudereinigung */
  --primary: #0f4c75; /* Dunkelblau */
  --primary-dark: #0a2e47; /* Dunkelblau - Hover */
  --secondary: #2e8b57; /* Grün */
  --bg: #e8e8e8; /* Hellgrau */
  --surface: #ffffff; /* Weiß */
  --ink: #2f4550; /* Dunkelgrau */
  --muted: #757575; /* Grau */
  --border: #d0d0d0; /* Hellgrau Border */
  --success: #27ae60; /* Grün */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

/* ===== Layout ===== */
.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  padding: 32px;
  min-height: 100vh;
}

.catalog header h1,
.checkout h1 {
  margin: 0 0 8px;
  font-size: 2.2rem;
  color: var(--primary);
}

.catalog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--primary);
}

.user-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--primary);
}

.catalog header p {
  margin: 0 0 20px;
  color: var(--muted);
}

/* ===== Tabelle ===== */
.catalog-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(15, 76, 117, 0.1);
}

.catalog-table th,
.catalog-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.catalog-table thead {
  background: var(--primary);
  color: white;
  font-weight: 600;
}

.catalog-table tbody tr {
  transition: background 0.2s;
}

.catalog-table tbody tr:hover {
  background: #f5f5f5;
}

.catalog-table td:last-child {
  width: 150px;
  text-align: right;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  border: none;
  border-radius: 6px;
  padding: 10px 18px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  white-space: nowrap;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 76, 117, 0.2);
}

.btn.primary {
  background: var(--success);
}

.btn.primary:hover {
  background: #219653;
}

.link {
  background: none;
  border: none;
  padding: 0;
  color: var(--primary);
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.link:hover {
  text-decoration: underline;
  color: var(--primary-dark);
}

.delete-btn {
  background: none;
  border: none;
  color: #e74c3c;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px 8px;
  transition: color 0.2s;
}

.delete-btn:hover {
  color: #c0392b;
}

/* ===== Cart ===== */
.cart {
  background: var(--surface);
  border-radius: 8px;
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(15, 76, 117, 0.1);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.cart header h2 {
  margin: 0;
  color: var(--primary);
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 120px;
}

.cart-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.cart-row:last-child {
  border-bottom: none;
}

.cart-row > div:first-child {
  flex: 1;
}

.cart-row strong {
  color: var(--ink);
}

.cart-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}

.quantity-control {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #f5f5f5;
  border-radius: 4px;
  padding: 4px;
}

.qty-btn {
  background: var(--primary);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.qty-btn:hover {
  background: var(--primary-dark);
}

.qty-input {
  width: 50px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  text-align: center;
  font-weight: 600;
  color: var(--ink);
}

.qty-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(15, 76, 117, 0.1);
}

.item-total {
  font-weight: 600;
  color: var(--primary);
  min-width: 80px;
  text-align: right;
}

.cart-summary {
  border-top: 2px solid var(--primary);
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.row.total {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.row.total strong {
  color: var(--primary);
  font-size: 1.1rem;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

/* ===== Checkout ===== */
.checkout {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px;
}

.checkout-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.summary {
  background: var(--surface);
  border-radius: 8px;
  padding: 20px;
  border: 1px solid var(--border);
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(15, 76, 117, 0.1);
}

.notice {
  background: #e8f5e9;
  border-left: 4px solid var(--success);
  border-radius: 8px;
  padding: 20px;
}

.notice p {
  margin: 0 0 12px;
}

.notice p:last-child {
  margin-bottom: 0;
}

/* ===== Login ===== */
.login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border-radius: 8px;
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 16px rgba(15, 76, 117, 0.15);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-card h1 {
  margin: 0;
  color: var(--primary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 600;
  color: var(--ink);
}

.login-form input {
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 1rem;
  color: var(--ink);
}

.login-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 117, 0.1);
}

.login-hint {
  background: #f5f5f5;
  padding: 12px;
  border-radius: 6px;
  border-left: 4px solid var(--secondary);
}

.login-hint strong {
  color: var(--primary);
  display: block;
  margin-bottom: 8px;
}

.login-hint span {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  font-family: monospace;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .catalog-table td:last-child {
    width: auto;
  }
}

@media (max-width: 600px) {
  .layout {
    padding: 16px;
  }

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

  .user-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .checkout {
    padding: 16px;
  }

  .cart-controls {
    flex-direction: column;
    align-items: flex-end;
  }

  .quantity-control {
    width: 100%;
    justify-content: center;
  }
}