:root {
    /* Main colors */
    --color-primary: #007bff;
    --color-primary-dark: #0056b3;
    --color-success: #28a745;
    --color-success-dark: #1e7e34;
    --color-warning: #ffc107;
    --color-warning-dark: #d39e00;
    --color-danger: #dc3545;
    --color-danger-dark: #bd2130;
    
    /* Background colors */
    --bg-light: #f4f4f4;
    --bg-white: #ffffff;
    --bg-response: #f8f9fa;
    --bg-code: #272822;
    
    /* Text colors */
    --text-dark: #333;
    --text-code: #f8f8f2;
    
    /* Border colors */
    --border-light: #ddd;
    --border-lighter: #eee;
}

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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
    background-color: var(--bg-light);
}

.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header {
    grid-column: 1 / -1;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #eee;
}

h1, h2, h3, h4 {
    color: #333;
    margin-bottom: 15px;
}

.endpoint-group {
    margin-bottom: 30px;
    padding: 20px;
    border-radius: 6px;
    border-left: 4px solid;
}

/* GET endpoints - Blue */
.get-group {
    background-color: rgba(0, 123, 255, 0.1);
    border-left-color: var(--color-primary);
}

/* POST endpoints - Green */
.post-group {
    background-color: rgba(40, 167, 69, 0.1);
    border-left-color: var(--color-success);
}

/* PUT endpoints - Yellow */
.put-group {
    background-color: rgba(255, 193, 7, 0.1);
    border-left-color: var(--color-warning);
}

/* DELETE endpoints - Red */
.delete-group {
    background-color: rgba(220, 53, 69, 0.1);
    border-left-color: var(--color-danger);
}

/* Update endpoint titles to match their group colors */
.get-group h3 {
    color: var(--color-primary);
}

.post-group h3 {
    color: var(--color-success);
}

.put-group h3 {
    color: var(--color-warning);
}

.delete-group h3 {
    color: var(--color-danger);
}

/* Update buttons to match their operation type */
.get-group button {
    background-color: var(--color-primary);
}

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

.put-group button {
    background-color: var(--color-warning);
    color: var(--text-dark);
}

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

/* Button hover states */
.get-group button:hover {
    background-color: var(--color-primary-dark);
}

.post-group button:hover {
    background-color: var(--color-success-dark);
}

.put-group button:hover {
    background-color: var(--color-warning-dark);
}

.delete-group button:hover {
    background-color: var(--color-danger-dark);
}

.endpoint {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: white;
}

input {
    padding: 8px;
    margin: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    padding: 8px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#response {
    grid-column: 2;
    position: sticky;
    top: 20px;
    height: calc(100vh - 100px);
    overflow-y: auto;
    margin-top: 0;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 6px;
}

#responseData {
    background-color: #272822;
    color: #f8f8f2;
    padding: 15px;
    border-radius: 4px;
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.4;
    height: calc(100% - 40px);
}

.api-nav {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.nav-button {
    background-color: #f8f9fa;
    color: #333;
    border: 1px solid #ddd;
    padding: 0.5rem 1rem;
}

.nav-button.active {
    background-color: #007bff;
    color: white;
    border-color: #0056b3;
}

.api-section {
    display: none;
    grid-column: 1;
}

.api-section.active {
    display: block;
}

.input-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.endpoint {
    transition: all 0.3s ease;
}

.endpoint:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

button {
    transition: background-color 0.3s ease;
}

@media screen and (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    padding: 10px;
    margin: 10px;
  }

  #response {
    grid-column: 1;
    position: static;
    height: auto;
    margin-top: 20px;
  }

  .endpoint-group {
    padding: 10px;
  }

  .endpoint {
    padding: 10px;
  }

  .input-group {
    flex-direction: column;
    gap: 10px;
  }

  input {
    width: 100%;
    margin: 0;
  }

  button {
    width: 100%;
  }

  .api-nav {
    flex-direction: column;
    gap: 0.5rem;
  }

  .nav-button {
    width: 100%;
  }

  header {
    padding-bottom: 10px;
    margin-bottom: 20px;
  }

  h1 {
    font-size: 24px;
  }

  h2 {
    font-size: 20px;
  }

  h3 {
    font-size: 18px;
  }

  h4 {
    font-size: 16px;
  }

  #responseData {
    font-size: 12px;
  }
}

/* Additional optimization for very small screens */
@media screen and (max-width: 480px) {
  .container {
    margin: 5px;
    padding: 5px;
  }

  .endpoint {
    margin-bottom: 15px;
  }
}

select.chat-select {
    padding: 8px;
    margin: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
    min-width: 200px;
    background-color: white;
}

select.chat-select:focus {
    border-color: #007bff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0,123,255,0.25);
}