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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
}

header h1 {
    color: #2c3e50;
    margin-bottom: 10px;
}

header p {
    color: #7f8c8d;
    font-size: 1.1em;
}

.input-section {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

/* Server Management Section */
.server-section {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.server-section h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

/* Server Selector Container with Settings Button */
.server-selector-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.settings-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 15px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
    flex-shrink: 0;
}

.settings-btn:hover {
    background-color: #2980b9;
}

/* Server Management Modal Styles */
#server-modal .modal-content {
    max-width: 500px;
}

.server-list {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.server-list h4 {
    margin-bottom: 10px;
    color: #2c3e50;
}

#server-list-items {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#server-list-items li {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 5px;
    background-color: #f8f9fa;
}

#server-list-items li:hover {
    background-color: #e9ecef;
}

.server-input-group,
.server-select-group {
    margin-bottom: 20px;
}

.server-input-group label,
.server-select-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2c3e50;
}

.input-section label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #2c3e50;
}

#endpoint-url,
#server-url,
#server-api-key,
#server-name {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    margin-bottom: 15px;
    transition: border-color 0.3s;
}

#endpoint-url:focus,
#server-url:focus,
#server-api-key:focus,
#server-name:focus {
    outline: none;
    border-color: #3498db;
}

#fetch-button,
#add-server,
#remove-server {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#fetch-button:hover,
#add-server:hover,
#remove-server:hover {
    background-color: #2980b9;
}

#fetch-button:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

/* Server Selector Styling */
#server-selector {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    margin-bottom: 15px;
    transition: border-color 0.3s;
    background-color: white;
}

#server-selector:focus {
    outline: none;
    border-color: #3498db;
}

/* Server Button Styling */
#add-server,
#remove-server {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    margin-top: 10px;
}

#add-server:hover,
#remove-server:hover {
    background-color: #2980b9;
}

/* Green button for add */
#add-server {
    background-color: #27ae60;
}

#add-server:hover {
    background-color: #219653;
}

/* Red button for remove */
#remove-server {
    background-color: #e74c3c;
}

#remove-server:hover {
    background-color: #c0392b;
}

.loading {
    text-align: center;
    padding: 20px;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error {
    background-color: #e74c3c;
    color: white;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
}

.results {
    background: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.results h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.model-item {
    background-color: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 10px;
    transition: transform 0.2s;
}

.model-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.model-name {
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1em;
}

.model-id {
    color: #7f8c8d;
    font-family: monospace;
    font-size: 0.9em;
    margin-top: 5px;
}

.hidden {
    display: none;
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    .input-section,
    .results {
        padding: 15px;
    }
    
    header h1 {
        font-size: 1.5em;
    }
}

/* Chat Modal Styles */
.modal {
    display: flex;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
}

/* Ensure hidden modals are completely invisible and don't interfere with page interaction */
.modal.hidden {
    display: none !important;
    visibility: hidden;
}

.modal-content {
    background-color: white;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #2c3e50;
}

.close {
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #aaa;
}

.close:hover {
    color: #000;
}

.modal-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 20px;
    min-height: 300px;
    max-height: 400px;
}

.chat-message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 6px;
    max-width: 80%;
}

.chat-message.user {
    background-color: #3498db;
    color: white;
    margin-left: auto;
    text-align: right;
}

.chat-message.ai {
    background-color: #f8f9fa;
    color: #333;
    margin-right: auto;
}

.chat-input-container {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

#chat-input {
    flex: 1;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
    resize: vertical;
}

#chat-input:focus {
    outline: none;
    border-color: #3498db;
}

#send-message {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 4px;
    cursor: pointer;
    height: fit-content;
}

#send-message:hover:not(:disabled) {
    background-color: #2980b9;
}

#send-message:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
}

.chat-message.streaming {
    opacity: 0.7;
}

@media (max-width: 600px) {
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .chat-messages {
        min-height: 200px;
        max-height: 300px;
    }
}