@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Hauptfarben - Petrol als primäre Farbe */
  --primary-color: rgb(50, 180, 190);
  --primary-hover: rgb(40, 160, 170);
  --primary-light: rgb(100, 200, 205);
  --primary-lighter: rgb(155, 215, 220);
  --primary-lightest: rgb(205, 235, 240);

  /* Akzentfarben - Rot */
  --accent-color: rgb(240, 50, 55);
  --accent-hover: rgb(220, 45, 50);
  --accent-light: rgb(240, 105, 105);
  --accent-lighter: rgb(245, 155, 155);
  --accent-lightest: rgb(250, 205, 205);

  /* Zusätzliche Farben */
  --blue-color: rgb(85, 70, 150);
  --blue-light: rgb(125, 115, 175);
  --blue-lighter: rgb(170, 160, 200);
  --blue-lightest: rgb(210, 210, 230);

  --green-color: rgb(190, 225, 130);
  --green-light: rgb(210, 230, 160);
  --green-lighter: rgb(220, 240, 195);
  --green-lightest: rgb(240, 245, 225);

  /* Standard-Farben */
  --white: #ffffff;
  --text-primary: #333333;
  --text-secondary: #666666;
  --border-color: var(--primary-lightest);
  --shadow: 0 2px 10px rgba(50, 180, 190, 0.15);
  --shadow-hover: 0 4px 20px rgba(50, 180, 190, 0.25);
  --border-radius: 8px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--primary-lightest);
  min-height: 100vh;
}

/* Container für bessere Zentrierung */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Design */
.head {
  background: var(--primary-color);
  color: white;
  padding: 20px 0;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: background 0.3s ease;
}

.head:hover {
  background: var(--primary-hover);
}

.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  flex-wrap: wrap;
  gap: 20px;
}

.head-logo {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
  min-width: 250px;
}

.head img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.head-text h1 {
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 5px 0;
  letter-spacing: -0.5px;
  color: black; /* Geändert zu schwarz */
}

.head-text h2 {
  font-size: 18px;
  font-weight: 400;
  margin: 0;
  opacity: 0.9;
  color: black; /* Geändert zu schwarz */
}

.head-nikolaus {
  flex-shrink: 0;
}

.head-nikolaus img {
  width: 50px;
  height: 50px;
}

/* Navigation */
#navbar {
  background: var(--white);
  box-shadow: 0 2px 4px rgba(50, 180, 190, 0.2);
  border-bottom: 3px solid var(--primary-color);
}

#navbar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  max-width: var(--max-width);
  margin: 0 auto;
  overflow-x: auto;
}

#navbar li {
  flex: 1;
  min-width: 120px;
}

#navbar li a {
  display: block;
  padding: 15px 20px;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}

#navbar li a:hover,
#navbar li a.active {
  background: var(--primary-lighter);
  border-bottom-color: var(--accent-color);
  color: var(--blue-color);
  transform: translateY(-1px);
}

/* Main Content */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px;
  min-height: calc(100vh - 200px);
}

h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0 0 30px 0;
  text-align: center;
  letter-spacing: -0.5px;
  text-shadow: 2px 2px 4px rgba(50, 180, 190, 0.1);
}

h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0 0 20px 0;
}

/* Buttons */
button,
.btn,
input[type="submit"] {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  box-shadow: var(--shadow);
}

button:hover,
.btn:hover,
input[type="submit"]:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Secondary Buttons */
.btn-secondary {
  background: var(--green-color);
}

.btn-secondary:hover {
  background: var(--green-light);
}

/* Danger Buttons */
.btn-danger {
  background: var(--accent-color);
}

.btn-danger:hover {
  background: var(--accent-hover);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 25px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-color);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-left-color: var(--accent-color);
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 15px 0;
  color: var(--primary-color);
}

.card-text {
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.card-text:last-child {
  margin-bottom: 0;
}

/* Links */
a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-color);
  text-decoration: underline;
}

/* Einleitungstext */
.einleitungstext {
  background: var(--white);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin: 30px 0;
  line-height: 1.7;
  border: 1px solid var(--primary-lighter);
}

.einleitungstext p {
  margin-bottom: 20px;
}

.einleitungstext hr {
  border: none;
  height: 3px;
  background: var(--primary-color);
  margin: 30px 0;
  border-radius: 2px;
}

/* Footer */
footer {
  margin-top: 60px;
}

#footer {
  background: var(--blue-color);
  color: white;
  padding: 40px 0 20px 0;
  margin-top: 60px;
}

#footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

#footer-links {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

#footer a {
  color: white;
  text-decoration: none;
  font-weight: 400;
  transition: color 0.3s ease;
}

#footer a:hover {
  color: var(--primary-lighter);
}

#footer p {
  margin: 0;
  opacity: 0.8;
  font-size: 14px;
}

/* Utility Classes */
.invisible {
  display: none;
}

.done {
  opacity: 0.7;
  background: var(--green-lightest);
  border-left-color: var(--green-color);
}

.done .card-title {
  text-decoration: line-through;
  color: var(--green-color);
}

.text-center {
  text-align: center;
}

.mb-20 {
  margin-bottom: 20px;
}

.mt-20 {
  margin-top: 20px;
}

/* Success Messages */
.success-message {
  background: var(--green-lightest);
  color: var(--green-color);
  padding: 15px;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--green-color);
  margin-bottom: 20px;
}

/* Error Messages */
.error-message {
  background: var(--accent-lightest);
  color: var(--accent-color);
  padding: 15px;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-color);
  margin-bottom: 20px;
}

/* Warning Messages */
.warning-message {
  background: var(--blue-lightest);
  color: var(--blue-color);
  padding: 15px;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--blue-color);
  margin-bottom: 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container,
  main {
    padding: 20px 15px;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .head-inner {
    flex-direction: column;
    text-align: center;
    padding: 15px;
  }

  .head-logo {
    justify-content: center;
    min-width: auto;
  }

  .head img {
    width: 50px;
    height: 50px;
  }

  .head-text h1 {
    font-size: 20px;
    color: black; /* Auch in der mobilen Ansicht schwarz */
  }

  .head-text h2 {
    font-size: 16px;
    color: black; /* Auch in der mobilen Ansicht schwarz */
  }

  .head-nikolaus img {
    width: 40px;
    height: 40px;
  }

  #navbar ul {
    flex-direction: column;
    box-shadow: none;
  }

  #navbar li {
    min-width: auto;
    border-bottom: 1px solid var(--primary-lighter);
  }

  #navbar li:last-child {
    border-bottom: none;
  }

  #navbar li a {
    padding: 12px 15px;
  }

  main {
    padding: 20px 15px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  .card {
    padding: 20px;
  }

  .einleitungstext {
    padding: 20px;
  }

  #footer-inner {
    flex-direction: column;
    text-align: center;
  }

  #footer-links {
    justify-content: center;
    gap: 20px;
  }

  button,
  .btn,
  input[type="submit"] {
    padding: 14px 20px;
    font-size: 16px;
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .container,
  main {
    padding: 15px 10px;
  }

  h1 {
    font-size: 20px;
    margin-bottom: 20px;
  }

  .card {
    padding: 15px;
  }

  .einleitungstext {
    padding: 15px;
  }

  #footer-links {
    flex-direction: column;
    gap: 15px;
  }
}