/* Playground Styles */

.auth-gate-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    max-width: 450px;
    margin: 2rem auto;
}

.auth-gate-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.auth-gate-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Layout */
.playground-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Input Panel */
.pg-input-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pg-controls {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pg-control-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.pg-control-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.pg-control-group select,
.pg-control-group input {
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
}

.pg-control-row {
    display: flex;
    gap: 0.75rem;
}

.pg-control-group.small {
    flex: 1;
}

.pg-textarea-wrapper {
    flex: 1;
}

.pg-textarea-wrapper textarea {
    width: 100%;
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-primary);
    font-family: 'Inter', monospace;
    font-size: 0.9rem;
    resize: vertical;
    min-height: 200px;
    line-height: 1.5;
}

.pg-textarea-wrapper textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.15);
}

.pg-actions {
    display: flex;
    gap: 0.75rem;
}

/* Buttons */
.pg-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 1.25rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

.pg-btn.primary {
    background: var(--primary-color);
    color: white;
}

.pg-btn.primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.pg-btn.primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pg-btn.secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.pg-btn.secondary:hover {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

.pg-btn.icon {
    padding: 0.5rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.pg-btn.icon:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Output Panel */
.pg-output-panel {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--card-bg);
    overflow: hidden;
}

.pg-output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pg-output-body {
    flex: 1;
    padding: 1.25rem;
    min-height: 250px;
    max-height: 500px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

.pg-placeholder {
    color: var(--text-tertiary);
    font-style: italic;
}

.pg-loading {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pg-loading::before {
    content: "";
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.pg-error {
    color: var(--danger-color);
}

/* Metrics */
.pg-metrics {
    display: flex;
    gap: 0;
    border-top: 1px solid var(--border-color);
}

.pg-metric {
    flex: 1;
    padding: 0.6rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    border-right: 1px solid var(--border-color);
}

.pg-metric:last-child {
    border-right: none;
}

.pg-metric-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.pg-metric-value {
    font-size: 0.85rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: var(--text-primary);
}

/* History */
.pg-history-section {
    margin-bottom: 3rem;
}

.pg-history-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
}

.pg-history-item {
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--card-bg);
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.pg-history-item:hover {
    border-color: var(--primary-color);
}

.pg-history-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.4rem;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.pg-history-prompt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Responsive */
@media (max-width: 900px) {
    .playground-layout {
        grid-template-columns: 1fr;
    }
}