/* Component Styles */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-base);
    font-weight: var(--font-medium);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

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

.btn-primary {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--text-inverse);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-secondary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--bg-secondary);
    border-color: var(--border-focus);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-sm);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-lg);
}

.btn-icon {
    padding: var(--space-sm);
    width: 40px;
    height: 40px;
}

/* Input */
.input {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-base);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.input::placeholder {
    color: var(--text-tertiary);
}

.input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input:disabled {
    background-color: var(--bg-secondary);
    cursor: not-allowed;
}

.input-error {
    border-color: var(--color-error);
}

.input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Textarea */
.textarea {
    resize: vertical;
    min-height: 100px;
    max-height: var(--input-max-height);
    font-family: inherit;
    line-height: 1.6;
}

/* Input group */
.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.input-label {
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.input-hint {
    font-size: var(--font-xs);
    color: var(--text-tertiary);
}

.input-error-message {
    font-size: var(--font-xs);
    color: var(--color-error);
}

/* Character counter */
.char-counter {
    text-align: right;
    font-size: var(--font-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

.char-counter.limit-near {
    color: var(--color-warning);
}

.char-counter.limit-reached {
    color: var(--color-error);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--space-sm);
    border-bottom: 1px solid var(--border-primary);
    padding: 0 var(--space-md);
}

.tab {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-base);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Upload area */
.upload-area {
    border: 2px dashed var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-3xl) var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background-color: var(--bg-secondary);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.upload-area-icon {
    font-size: var(--font-4xl);
    color: var(--text-tertiary);
    margin-bottom: var(--space-md);
}

.upload-area-text {
    font-size: var(--font-base);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.upload-area-hint {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

/* Image preview */
.image-preview {
    position: relative;
    display: inline-block;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.image-preview img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.image-preview-remove {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.image-preview-remove:hover {
    background-color: var(--color-error);
}

/* Result area */
.result-area {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-primary);
}

.result-title {
    font-size: var(--font-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.result-actions {
    display: flex;
    gap: var(--space-sm);
}

.result-answer {
    font-size: var(--font-base);
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    padding: var(--space-lg);
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
}

.result-steps {
    margin-top: var(--space-lg);
}

.result-steps-title {
    font-size: var(--font-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.result-step {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--border-secondary);
}

.result-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: var(--font-medium);
    margin-right: var(--space-sm);
}

/* History item */
.history-item {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: var(--bg-primary);
}

.history-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.history-item.active {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.history-item-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.history-item-type {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

.history-item-actions {
    display: flex;
    gap: var(--space-xs);
}

.history-item-question {
    font-size: var(--font-sm);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-item-answer {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-item-time {
    font-size: var(--font-xs);
    color: var(--text-tertiary);
}

/* Loading state */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    gap: var(--space-md);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-primary);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.loading-spinner-sm {
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

.loading-text {
    font-size: var(--font-base);
    color: var(--text-secondary);
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    z-index: var(--z-tooltip);
    animation: slideIn 0.3s ease-out;
    max-width: 400px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.toast-message {
    font-size: var(--font-xs);
    color: var(--text-secondary);
}

.toast-close {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

.toast-success {
    border-left: 4px solid var(--color-success);
}

.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-error {
    border-left: 4px solid var(--color-error);
}

.toast-error .toast-icon {
    color: var(--color-error);
}

.toast-warning {
    border-left: 4px solid var(--color-warning);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-info {
    border-left: 4px solid var(--color-info);
}

.toast-info .toast-icon {
    color: var(--color-info);
}

/* Icon SVG */
.icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-lg {
    width: 24px;
    height: 24px;
}

.icon-xl {
    width: 32px;
    height: 32px;
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
}

.badge-primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-secondary {
    background-color: var(--color-secondary-light);
    color: var(--color-secondary);
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Utility classes */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mb-sm {
    margin-bottom: var(--space-sm);
}

.mb-md {
    margin-bottom: var(--space-md);
}

.mb-lg {
    margin-bottom: var(--space-lg);
}


/* Streaming Markdown Styles */
.markdown-container {
    line-height: 1.8;
    color: var(--text-primary);
}

.markdown-container h1,
.markdown-container h2,
.markdown-container h3,
.markdown-container h4,
.markdown-container h5,
.markdown-container h6 {
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.3;
}

.markdown-container h1 {
    font-size: 24px;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 8px;
}

.markdown-container h2 {
    font-size: 20px;
    color: var(--color-primary);
    border-bottom: 1px solid var(--border-secondary);
    padding-bottom: 6px;
}

.markdown-container h3 {
    font-size: 18px;
    color: var(--color-primary);
}

.markdown-container h4 {
    font-size: 16px;
    color: var(--color-primary);
}

.markdown-container p {
    margin: 8px 0;
}

.markdown-container code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 0.9em;
}

.markdown-container pre {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
}

.markdown-container pre code {
    background: transparent;
    padding: 0;
    font-size: 14px;
    line-height: 1.6;
}

.markdown-container ul,
.markdown-container ol {
    margin: 8px 0;
    padding-left: 24px;
}

.markdown-container li {
    margin: 4px 0;
}

.markdown-container blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--text-secondary);
}

.markdown-container strong {
    color: var(--color-primary);
    font-weight: 600;
}

.markdown-container em {
    font-style: italic;
}

.markdown-container a {
    color: var(--color-primary);
    text-decoration: none;
}

.markdown-container a:hover {
    text-decoration: underline;
}

.markdown-container hr {
    border: none;
    border-top: 1px solid var(--border-secondary);
    margin: 16px 0;
}

.markdown-container table {
    border-collapse: collapse;
    width: 100%;
    margin: 12px 0;
}

.markdown-container th,
.markdown-container td {
    border: 1px solid var(--border-secondary);
    padding: 8px 12px;
    text-align: left;
}

.markdown-container th {
    background: var(--bg-secondary);
    font-weight: 600;
}



/* Marked.js Generated Markdown Styles */
.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.3;
}

.markdown-content h1 {
    font-size: 24px;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 8px;
}

.markdown-content h2 {
    font-size: 20px;
    color: var(--color-primary);
    border-bottom: 1px solid var(--border-secondary);
    padding-bottom: 6px;
}

.markdown-content h3 {
    font-size: 18px;
    color: var(--color-primary);
}

.markdown-content h4 {
    font-size: 16px;
    color: var(--color-primary);
}

.markdown-content p {
    margin: 8px 0;
}

.markdown-content code {
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: "Consolas", "Monaco", monospace;
    font-size: 0.9em;
}

.markdown-content pre {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
}

.markdown-content pre code {
    background: transparent;
    padding: 0;
    font-size: 14px;
    line-height: 1.6;
}

.markdown-content ul,
.markdown-content ol {
    margin: 8px 0;
    padding-left: 24px;
}

.markdown-content li {
    margin: 4px 0;
}

.markdown-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 16px;
    margin: 12px 0;
    color: var(--text-secondary);
}

.markdown-content strong {
    color: var(--color-primary);
    font-weight: 600;
}

.markdown-content em {
    font-style: italic;
}

.markdown-content a {
    color: var(--color-primary);
    text-decoration: none;
}

.markdown-content a:hover {
    text-decoration: underline;
}

.markdown-content hr {
    border: none;
    border-top: 1px solid var(--border-secondary);
    margin: 16px 0;
}

.markdown-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 12px 0;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid var(--border-secondary);
    padding: 8px 12px;
    text-align: left;
}

.markdown-content th {
    background: var(--bg-secondary);
    font-weight: 600;
}