* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #2c5aa0;
  --primary-dark: #1e3f70;
  --primary-light: #4a7cb8;
  --success: #28a745;
  --danger: #dc3545;
  --warning: #ffc107;
  --info: #17a2b8;
  --light: #f8f9fa;
  --dark: #17201b;
  --gray: #6c757d;
  --border: #dee2e6;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.18);
}

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--dark);
  background: var(--light);
}

main {
  min-height: calc(100vh - 60px);
  padding: 24px;
}

main.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 40px;
  background: linear-gradient(rgba(255,255,255,.4),rgba(255,255,255,.4)),url('https://jugend-im-schwarzwaldverein.de/wp-content/uploads/2025/04/Lagerplatz-1.jpg') center/cover no-repeat;
  background-attachment: fixed;
}

main.hero section {
  text-align: center;
  margin-bottom: 32px;
  max-width: 600px;
  background: rgba(255,255,255,.95);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
}

main.hero h1 {
  font-size: 48px;
  margin-bottom: 16px;
  font-weight: 800;
  color: var(--dark);
}

main.hero p {
  font-size: 18px;
  opacity: 1;
  max-width: 600px;
  color: #333;
  line-height: 1.6;
}

main.hero .panel {
  background: rgba(255,255,255,.95);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
  max-width: 600px;
  margin-top: 20px;
  text-align: center;
}

main.login {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(rgba(255,255,255,.4),rgba(255,255,255,.4)),url('https://jugend-im-schwarzwaldverein.de/wp-content/uploads/2025/04/Lagerplatz-1.jpg') center/cover no-repeat;
  background-attachment: fixed;
  min-height: 100vh;
  padding: 24px;
}

main.login .panel {
  background: rgba(255,255,255,.95);
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
}

main.shell {
  background: linear-gradient(rgba(255,255,255,.4),rgba(255,255,255,.4)),url('https://jugend-im-schwarzwaldverein.de/wp-content/uploads/2025/04/Lagerplatz-1.jpg') center/cover no-repeat;
  background-attachment: fixed;
  min-height: 100vh;
  padding: 24px;
  margin: 0;
  width: 100%;
}

.shell-content {
  max-width: 1200px;
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: white;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 16px;
}

.topbar strong {
  font-size: 18px;
  color: var(--primary);
}

.topbar form.inline {
  display: inline;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.section {
  background: rgba(255,255,255,.95);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
}

.section h2 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--dark);
}

.section p {
  color: var(--gray);
  margin-bottom: 16px;
  font-size: 14px;
}

.panel {
  background: white;
  border-radius: 8px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  margin: 0 auto;
}

.panel h2 {
  font-size: 28px;
  margin-bottom: 8px;
  color: var(--dark);
}

.panel p {
  color: var(--gray);
  margin-bottom: 24px;
  font-size: 14px;
}

.form-row {
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark);
  font-size: 14px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="file"],
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="file"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

button, a.button {
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

button:not([class]),
button.primary {
  background: var(--primary);
  color: white;
}

button:not([class]):hover,
button.primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

button.secondary {
  background: var(--light);
  color: var(--dark);
  border: 1px solid var(--border);
}

button.secondary:hover {
  background: #e9ecef;
  border-color: var(--gray);
}

button.danger {
  background: var(--danger);
  color: white;
}

button.danger:hover {
  background: #c82333;
}

button.success {
  background: var(--success);
  color: white;
}

button.success:hover {
  background: #218838;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.inline {
  padding: 6px 12px;
  font-size: 14px;
}

form.inline {
  display: inline;
}

form.inline button {
  display: inline-flex;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

table.table {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: white;
}

table.table thead {
  background: #f8f9fa;
}

table.table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--dark);
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

table.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

table.table tr:last-child td {
  border-bottom: none;
}

table.table tbody tr:hover {
  background: #f8f9fa;
}

.meta {
  font-size: 12px;
  color: var(--gray);
  margin-top: 4px;
}

.code-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.code {
  background: #f8f9fa;
  border: 2px solid var(--primary);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
  font-family: "Courier New", monospace;
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  user-select: all;
  cursor: pointer;
  transition: all 0.2s;
}

.code:hover {
  background: var(--primary);
  color: white;
}

.notice {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}

.notice.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.notice.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.notice.info {
  background: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

.notice.warning {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

@media (max-width: 768px) {
  main {
    padding: 16px;
  }

  main.hero {
    padding: 32px 16px;
  }

  main.hero h1 {
    font-size: 32px;
  }

  main.hero p {
    font-size: 16px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .panel {
    padding: 24px;
  }

  table.table th,
  table.table td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .code-list {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
  }

  button, a.button {
    padding: 10px 20px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  main.hero h1 {
    font-size: 24px;
  }

  main.hero p {
    font-size: 14px;
  }

  .panel {
    padding: 16px;
  }

  .section {
    padding: 16px;
  }

  table.table th,
  table.table td {
    padding: 8px;
    font-size: 12px;
  }

  button, a.button {
    width: 100%;
  }

  .form-row input,
  .form-row textarea {
    font-size: 16px;
  }
}