Create Style.css

Style.css

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+/* Variables */
+:root {
+    --primary: #4361ee;
+    --secondary: #3f37c9;
+    --accent: #7209b7;
+    --success: #4cc9f0;
+    --danger: #f72585;
+    --dark: #0d1b2a;
+    --light: #f8f9fa;
+    --grey: #8d99ae;
+    --card-shadow: 0 10px 20px rgba(0,0,0,0.08), 0 4px 6px rgba(0,0,0,0.04);
+}
+
+/* Layout Styles */
+body, html {
+    margin: 0;
+    padding: 0;
+    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
+    background: linear-gradient(135deg, #e0f7fa, #f3e5f5);
+    height: 100%;
+    color: var(--dark);
+}
+
+#app-container {
+    margin: 0 auto;
+    padding: 20px;
+}
+
+.header {
+    background: linear-gradient(to right, var(--primary), var(--secondary));
+    color: white;
+    padding: 30px 20px;
+    border-radius: 20px;
+    margin-bottom: 25px;
+    box-shadow: var(--card-shadow);
+    text-align: center;
+}
+
+.header h1 {
+    margin: 0;
+    font-size: 2.8rem;
+    font-weight: 700;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 15px;
+}
+
+.header p {
+    font-size: 1.1rem;
+    margin-bottom: 0;
+    opacity: 0.9;
+}
+
+.content {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 30px;
+    margin-bottom: 30px;
+}
+
+/* Controls Section */
+.controls {
+    flex: 1;
+    min-width: 350px;
+    background: white;
+    border-radius: 20px;
+    padding: 25px;
+    box-shadow: var(--card-shadow);
+}
+
+.model-selector {
+    margin-bottom: 25px;
+}
+
+.model-selector label {
+    font-weight: 600;
+    margin-bottom: 10px;
+    display: block;
+    color: var(--secondary);
+    font-size: 1.1rem;
+}
+
+.model-selector select {
+    width: 100%;
+    padding: 14px;
+    border-radius: 12px;
+    border: 2px solid var(--grey);
+    font-size: 1rem;
+    transition: border-color 0.3s;
+}
+
+.model-selector select:focus {
+    outline: none;
+    border-color: var(--primary);
+}
+
+.model-info {
+    margin-top: 15px;
+    padding: 12px;
+    background: var(--light);
+    border-radius: 12px;
+    font-size: 0.9rem;
+}
+
+.system-prompt-area {
+    margin-bottom: 25px;
+}
+
+.system-prompt-area label {
+    font-weight: 600;
+    margin-bottom: 10px;
+    display: block;
+    color: var(--secondary);
+    font-size: 1.1rem;
+}
+
+.system-prompt-area textarea {
+    min-height: 120px;
+    font-size: 0.95rem;
+}
+
+.tips {
+    background: #eef2ff;
+    padding: 18px;
+    border-radius: 15px;
+    font-size: 0.92rem;
+}
+
+.tips h3 {
+    margin-top: 0;
+    color: var(--accent);
+}
+
+.tips ul {
+    padding-left: 20px;
+}
+
+.tips li {
+    margin-bottom: 8px;
+}
+
+/* Chat Section */
+.chat-container {
+    flex: 2;
+    min-width: 500px;
+}
+
+.chat-area {
+    display: flex;
+    flex-direction: column;
+    gap: 25px;
+}
+
+.chat-input {
+    background: white;
+    border-radius: 20px;
+    padding: 25px;
+    box-shadow: var(--card-shadow);
+}
+
+.chat-input label {
+    font-weight: 600;
+    margin-bottom: 15px;
+    display: block;
+    color: var(--secondary);
+    font-size: 1.1rem;
+}
+
+.chat-input textarea {
+    min-height: 150px;
+    font-size: 1rem;
+}
+
+.btn-submit {
+    background: linear-gradient(to right, var(--primary), var(--accent));
+    color: white;
+    border: none;
+    padding: 14px 25px;
+    border-radius: 12px;
+    font-size: 1.1rem;
+    font-weight: 600;
+    cursor: pointer;
+    transition: transform 0.3s, opacity 0.3s;
+    width: 100%;
+    letter-spacing: 0.5px;
+}
+
+.btn-submit:hover {
+    transform: translateY(-2px);
+    opacity: 0.92;
+}
+
+.chat-output {
+    background: white;
+    border-radius: 20px;
+    padding: 25px;
+    box-shadow: var(--card-shadow);
+}
+
+.chat-output label {
+    font-weight: 600;
+    margin-bottom: 15px;
+    display: block;
+    color: var(--secondary);
+}
+
+.chat-output textarea {
+    min-height: 250px;
+    font-size: 1rem;
+}
+
+.examples {
+    background: white;
+    border-radius: 20px;
+    padding: 25px;
+    box-shadow: var(--card-shadow);
+    margin-top: 25px;
+}
+
+.examples h3 {
+    margin-top: 0;
+    color: var(--primary);
+}
+
+.footer {
+    text-align: center;
+    padding: 20px;
+    color: var(--dark);
+    font-size: 0.95rem;
+    margin-top: 30px;
+}
+
+.footer a {
+    color: var(--primary);
+    text-decoration: none;
+    font-weight: 600;
+}
+
+.footer img {
+    margin-top: 15px;
+    border-radius: 10px;
+}
+
+/* Responsive adjustments */
+@media (max-width: 900px) {
+    .content {
+        flex-direction: column;
+    }
+    
+    .controls, .chat-container {
+        min-width: 100%;
+    }
+}
+
+/* Model selector chips styling */
+.models-info-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
+    gap: 18px;
+    margin-top: 25px;
+}
+
+.model-card {
+    background: white;
+    border-radius: 15px;
+    padding: 17px;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    border: 2px solid transparent;
+    box-shadow: 0 4px 8px rgba(0,0,0,0.06);
+}
+
+.model-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 12px 20px rgba(0,0,0,0.12);
+    border-color: var(--primary);
+}
+
+.model-card.active {
+    background: var(--light);
+    border-color: var(--primary);
+}
+
+.model-card h4 {
+    margin: 0 0 10px 0;
+    color: var(--primary);
+}
+
+.model-card p {
+    margin: 0;
+    font-size: 0.9rem;
+    color: var(--dark);
+}