styles.css

/* Global Styling */
.gradio-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    min-height: 100vh;
}

/* Header Styling */
.main-header {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24, #ff9ff3, #54a0ff) !important;
    background-size: 400% 400% !important;
    animation: gradient 15s ease infinite !important;
    padding: 2rem !important;
    border-radius: 20px !important;
    margin-bottom: 2rem !important;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1) !important;
    text-align: center !important;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.main-header h1 {
    color: white !important;
    font-size: 3rem !important;
    font-weight: 700 !important;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3) !important;
    margin: 0 !important;
}

.main-header p {
    color: rgba(0,0,0,1.0) !important;
    font-size: 1.2rem !important;
    margin-top: 0.5rem !important;
}

/* Tab Styling */
.tab-nav {
    background: rgba(0,0,0,1.0) !important;
    border-radius: 15px !important;
    padding: 0.5rem !important;
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
}

.tab-nav button {
    background: rgba(0,0,0,1.0) !important;
    color: white !important;
    border-radius: 10px !important;
    padding: 0.75rem 1.5rem !important;
    margin: 0.25rem !important;
    transition: all 0.3s ease !important;
    font-weight: 600 !important;
    border: none !important;
}

.tab-nav button:hover {
    background: rgba(0,0,0,1.0) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2) !important;
}

.tab-nav button.selected {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24) !important;
    color: white !important;
    box-shadow: 0 5px 15px rgba(255,107,107,0.4) !important;
}

/* Card Styling for Tab Content */
.tab-content {
    background: rgba(255,255,255,0.95) !important;
    border-radius: 20px !important;
    padding: 2rem !important;
    margin: 1rem 0 !important;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
    backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
}

/* Input Styling */
.gr-textbox, .gr-number {
    border-radius: 12px !important;
    border: 2px solid #e1e5e9 !important;
    padding: 0.75rem !important;
    font-size: 1rem !important;
    transition: all 0.3s ease !important;
    background: white !important;
}

.gr-textbox:focus, .gr-number:focus {
    border-color: #667eea !important;
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1) !important;
    outline: none !important;
}

/* Radio Button Styling */
.gr-radio {
    background: rgba(255,255,255,0.9) !important;
    border-radius: 12px !important;
    padding: 1rem !important;
    border: 2px solid #e1e5e9 !important;
    transition: all 0.3s ease !important;
}

.gr-radio label {
    display: flex !important;
    align-items: center !important;
    padding: 0.5rem 1rem !important;
    margin: 0.25rem 0 !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    background: rgba(102,126,234,0.05) !important;
    border: 1px solid rgba(102,126,234,0.1) !important;
}

.gr-radio label:hover {
    background: rgba(102,126,234,0.1) !important;
    border-color: rgba(102,126,234,0.3) !important;
    transform: translateX(5px) !important;
}

.gr-radio input[type="radio"] {
    margin-right: 0.75rem !important;
    transform: scale(1.2) !important;
    accent-color: #667eea !important;
}

.gr-radio input[type="radio"]:checked + span {
    color: #667eea !important;
    font-weight: 600 !important;
}

.gr-radio label:has(input:checked) {
    background: linear-gradient(135deg, rgba(102,126,234,0.2), rgba(118,75,162,0.2)) !important;
    border-color: #667eea !important;
    box-shadow: 0 2px 8px rgba(102,126,234,0.3) !important;
}

/* Checkbox Group Styling */
.gr-checkbox-group {
    background: rgba(255,255,255,0.9) !important;
    border-radius: 12px !important;
    padding: 1rem !important;
    border: 2px solid #e1e5e9 !important;
    transition: all 0.3s ease !important;
}

.gr-checkbox-group label {
    display: flex !important;
    align-items: center !important;
    padding: 0.5rem 1rem !important;
    margin: 0.25rem 0 !important;
    border-radius: 8px !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    background: rgba(72,187,120,0.05) !important;
    border: 1px solid rgba(72,187,120,0.1) !important;
}

.gr-checkbox-group label:hover {
    background: rgba(72,187,120,0.1) !important;
    border-color: rgba(72,187,120,0.3) !important;
    transform: translateX(5px) !important;
}

.gr-checkbox-group input[type="checkbox"] {
    margin-right: 0.75rem !important;
    transform: scale(1.2) !important;
    accent-color: #48bb78 !important;
}

.gr-checkbox-group input[type="checkbox"]:checked + span {
    color: #48bb78 !important;
    font-weight: 600 !important;
}

.gr-checkbox-group label:has(input:checked) {
    background: linear-gradient(135deg, rgba(72,187,120,0.2), rgba(56,161,105,0.2)) !important;
    border-color: #48bb78 !important;
    box-shadow: 0 2px 8px rgba(72,187,120,0.3) !important;
}

/* Button Styling */
.gr-button {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: white !important;
    border: none !important;
    border-radius: 12px !important;
    padding: 0.75rem 2rem !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 15px rgba(102,126,234,0.3) !important;
}

.gr-button:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(102,126,234,0.4) !important;
    background: linear-gradient(135deg, #5a67d8, #6b46c1) !important;
}

.gr-button:active {
    transform: translateY(0) !important;
}

/* Special Button Colors */
.btn-success {
    background: linear-gradient(135deg, #48bb78, #38a169) !important;
    box-shadow: 0 4px 15px rgba(72,187,120,0.3) !important;
}

.btn-danger {
    background: linear-gradient(135deg, #f56565, #e53e3e) !important;
    box-shadow: 0 4px 15px rgba(245,101,101,0.3) !important;
}

.btn-warning {
    background: linear-gradient(135deg, #ed8936, #dd6b20) !important;
    box-shadow: 0 4px 15px rgba(237,137,54,0.3) !important;
}

.btn-info {
    background: linear-gradient(135deg, #4299e1, #3182ce) !important;
    box-shadow: 0 4px 15px rgba(66,153,225,0.3) !important;
}

/* DataFrame Styling */
.gr-dataframe {
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1) !important;
}


.gr-dataframe th {
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    color: black !important;
    padding: 1rem !important;
    font-weight: 600 !important;
}

.gr-dataframe td {
    padding: 0.75rem 1rem !important;
    border-bottom: 1px solid #e1e5e9 !important;
}

.gr-dataframe tr:nth-child(even) {
    background: rgba(102,126,234,0.05) !important;
}

/* Status Messages */
.gr-textbox[data-testid="textbox"] {
    border-left: 4px solid #667eea !important;
}

/* Section Headers */
.section-header {
    color: #2d3748 !important;
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    margin-bottom: 1rem !important;
    padding-bottom: 0.5rem !important;
    border-bottom: 3px solid #667eea !important;
    background: linear-gradient(135deg, #667eea, #764ba2) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
}

/* Form Groups */
.form-group {
    margin-bottom: 1.5rem !important;
}

.form-row {
    display: flex !important;
    gap: 1rem !important;
    margin-bottom: 1rem !important;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content {
    animation: fadeIn 0.5s ease-out !important;
}

/* Train Visual Styling */
.train-visual {
    font-family: 'Courier New', monospace !important;
    font-size: 1.2rem !important;
    background: linear-gradient(135deg, #f7fafc, #edf2f7) !important;
    padding: 1rem !important;
    border-radius: 12px !important;
    border: 2px solid #e1e5e9 !important;
    margin: 1rem 0 !important;
}

/* Success/Error Messages */
.success-message {
    color: #38a169 !important;
    background: rgba(72,187,120,0.1) !important;
    border: 1px solid rgba(72,187,120,0.3) !important;
    border-radius: 8px !important;
    padding: 0.75rem !important;
}

.error-message {
    color: #e53e3e !important;
    background: rgba(245,101,101,0.1) !important;
    border: 1px solid rgba(245,101,101,0.3) !important;
    border-radius: 8px !important;
    padding: 0.75rem !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header h1 {
        font-size: 2rem !important;
    }
    
    .form-row {
        flex-direction: column !important;
    }
    
    .gr-button {
        width: 100% !important;
        margin: 0.5rem 0 !important;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.25) !important;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37) !important;
    backdrop-filter: blur(4px) !important;
    border-radius: 10px !important;
    border: 1px solid rgba(255, 255, 255, 0.18) !important;
}