/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
        "Ubuntu", "Cantarell", sans-serif;
    background-color: #fafafa;
    color: #333333;
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    margin-bottom: 3rem;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 2rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1rem;
    color: #666666;
    font-weight: 400;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a1a1a;
}

/* Status Bar */
.status-bar {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1.25rem;
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
}

.status-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.status-item .label {
    font-size: 0.85rem;
    color: #666666;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-item .status-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a1a;
}

/* Main Content */
main {
    padding: 0;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 1200px) {
    .content-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Panels */
.panel {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

/* Form Elements */
.input-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: #333333;
}

.input-field,
.textarea-field {
    padding: 0.75rem;
    border: 1px solid #d0d0d0;
    font-size: 0.95rem;
    font-family: inherit;
    color: #333333;
    background-color: #ffffff;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}

.input-field:focus,
.textarea-field:focus {
    outline: none;
    border-color: #333333;
    box-shadow: 0 0 0 2px rgba(51, 51, 51, 0.1);
}

.input-field::placeholder,
.textarea-field::placeholder {
    color: #999999;
}

.textarea-field {
    resize: vertical;
    min-height: 150px;
    padding: 1rem;
}

select.input-field {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: 1px solid #d0d0d0;
    background-color: #ffffff;
    color: #333333;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn:hover {
    border-color: #333333;
    background-color: #f5f5f5;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: #0a0a0a;
    color: #ffffff;
    border-color: #0a0a0a;
}

.btn-primary:hover {
    background-color: #333333;
    border-color: #333333;
}

.btn-success {
    background-color: #0a0a0a;
    color: #ffffff;
    border-color: #0a0a0a;
    margin-top: 1rem;
}

.btn-success:hover {
    background-color: #333333;
    border-color: #333333;
}

.btn-large {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

.btn-danger {
    background-color: #ffffff;
    color: #d32f2f;
    border-color: #d32f2f;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.btn-danger:hover {
    background-color: #ffebee;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* Labels List */
.labels-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.label-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: #f5f5f5;
    border: 1px solid #e0e0e0;
    font-weight: 500;
    color: #1a1a1a;
}

.label-item:hover {
    background-color: #eeeeee;
}

.label-name {
    flex: 1;
}

.label-actions {
    display: flex;
    gap: 0.5rem;
}

/* Config Group */
.config-group {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e0e0e0;
}

.config-group:last-of-type {
    border-bottom: none;
}

.help-text {
    font-size: 0.8rem;
    color: #666666;
    margin-top: 0.5rem;
    font-style: italic;
}

/* Divider */
.divider {
    border: none;
    border-top: 1px solid #e0e0e0;
    margin: 2rem 0;
}

/* Messages */
.message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 0;
    font-size: 0.95rem;
    display: none;
}

.message.show {
    display: block;
}

.message.success {
    background-color: #f1f5fe;
    border-left: 3px solid #1976d2;
    color: #1a237e;
}

.message.error {
    background-color: #ffebee;
    border-left: 3px solid #d32f2f;
    color: #b71c1c;
}

/* Training Summary */
.training-summary {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e0e0e0;
}

.summary-content {
    font-size: 0.95rem;
    color: #666666;
}

.summary-item {
    padding: 0.5rem 0;
    display: flex;
    justify-content: space-between;
}

.summary-label {
    color: #333333;
}

.summary-count {
    font-weight: 600;
    color: #1a1a1a;
}

/* Prediction Result */
.prediction-result {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background-color: #f5f5f5;
    border: 1px solid #e0e0e0;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.prediction-box {
    background-color: #ffffff;
}

.pred-main {
    padding: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.pred-label {
    font-size: 0.85rem;
    color: #666666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.pred-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
}

.pred-confidence {
    font-size: 0.9rem;
    color: #666666;
    margin-top: 0.5rem;
}

.pred-details {
    padding: 1rem;
}

.prob-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.9rem;
}

.prob-label {
    color: #333333;
    font-weight: 500;
}

.prob-value {
    color: #666666;
    font-weight: 600;
    text-align: right;
}

.prob-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.prob-bar-fill {
    height: 8px;
    background-color: #e0e0e0;
    flex: 1;
    position: relative;
    overflow: hidden;
}

.prob-bar-value {
    height: 100%;
    background-color: #333333;
    transition: width 0.3s ease;
}

/* Empty State */
.empty-state {
    color: #999999;
    text-align: center;
    padding: 1rem;
    font-size: 0.95rem;
    font-style: italic;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid #e0e0e0;
    color: #666666;
    font-size: 0.9rem;
    margin-top: 3rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    .status-bar {
        flex-direction: column;
        gap: 1rem;
    }

    .panel {
        padding: 1.5rem;
    }
}