/* ASRS Storage Classifier Styles */

:root {
    /* Category colors */
    --color-pouch: #10b981;      /* Green */
    --color-small-bin: #3b82f6;  /* Blue */
    --color-tote: #8b5cf6;       /* Purple */
    --color-carton: #f59e0b;     /* Amber */
    --color-oversized: #ef4444;  /* Red */

    /* UI colors */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-background: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-border: #e2e8f0;
    --color-error: #dc2626;
    --color-success: #16a34a;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Header */
header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.subtitle {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Input Section */
.input-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-lg);
}

.input-section label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.input-section textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
}

.input-section textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
}

.char-count {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

#classify-btn {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

#classify-btn:hover {
    background-color: var(--color-primary-hover);
}

#classify-btn:disabled {
    background-color: var(--color-border);
    cursor: not-allowed;
}

/* Result Section */
.result-section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: var(--spacing-lg);
}

.result-section h2 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.result-section h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.classification-result {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

/* Category Badges */
.category-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category-badge.pouch { background-color: var(--color-pouch); }
.category-badge.small-bin { background-color: var(--color-small-bin); }
.category-badge.tote { background-color: var(--color-tote); }
.category-badge.carton { background-color: var(--color-carton); }
.category-badge.oversized { background-color: var(--color-oversized); }

.confidence-wrapper {
    display: flex;
    flex-direction: column;
}

.confidence-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.confidence-value {
    font-size: 1.5rem;
    font-weight: 700;
}

/* Feedback Section */
.feedback-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.feedback-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.feedback-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.feedback-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.feedback-btn:hover:not(:disabled) {
    border-color: var(--color-text-secondary);
}

.feedback-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.feedback-btn.feedback-up:hover:not(:disabled),
.feedback-btn.feedback-up.selected {
    border-color: var(--color-success);
    background: #f0fdf4;
}

.feedback-btn.feedback-down:hover:not(:disabled),
.feedback-btn.feedback-down.selected {
    border-color: var(--color-error);
    background: #fef2f2;
}

.feedback-icon {
    font-size: 1.1rem;
}

.feedback-text {
    font-weight: 500;
}

.feedback-status {
    font-size: 0.85rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.feedback-status.success {
    color: var(--color-success);
    background: #f0fdf4;
}

.feedback-status.error {
    color: var(--color-error);
    background: #fef2f2;
}

/* Reasoning Section */
.reasoning-section {
    margin-bottom: var(--spacing-lg);
}

.reasoning-text {
    color: var(--color-text);
    line-height: 1.7;
}

/* Tools Section */
.tools-section {
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.tools-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tool-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
}

.tool-status {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.tool-status.called {
    background-color: var(--color-success);
    color: white;
}

.tool-status.not-called {
    background-color: var(--color-border);
    color: var(--color-text-secondary);
}

.tool-info {
    flex: 1;
}

.tool-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.tool-result {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
}

/* Error Section */
.error-section {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.error-message {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.error-icon {
    width: 24px;
    height: 24px;
    background-color: var(--color-error);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.error-message p {
    color: var(--color-error);
}

/* Loading Section */
.loading-section {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.loading-section p {
    color: var(--color-text-secondary);
}

/* Hidden class */
.hidden {
    display: none !important;
}

/* Category Reference Section */
.category-reference {
    margin-top: var(--spacing-lg);
}

.category-reference details {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.category-reference summary {
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text);
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.category-reference summary::-webkit-details-marker {
    display: none;
}

.category-reference summary::before {
    content: '▶';
    font-size: 0.75rem;
    transition: transform 0.2s;
}

.category-reference details[open] summary::before {
    transform: rotate(90deg);
}

.category-table-wrapper {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    overflow-x: auto;
}

.category-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.category-table th,
.category-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.category-table th {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category-table tbody tr:last-child td {
    border-bottom: none;
}

.category-table .category-badge {
    font-size: 0.75rem;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Footer */
footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}

footer a {
    color: var(--color-primary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: var(--spacing-md);
    }

    header h1 {
        font-size: 1.5rem;
    }

    .classification-result {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
}