:root {
    /* Primary Colors (Blues) */
    --color-primary: #007bff;
    --color-primary-dark: #0056b3;
    --color-primary-light: #e3f2fd;
    
    /* Success Colors (Greens) */
    --color-success: #28a745;
    --color-success-dark: #027c08;
    --color-success-light: #e8f5e8;
    
    /* Error/Danger Colors (Reds) */
    --color-error: #dc3545;
    --color-error-dark: #c62828;
    --color-error-light: #ffebee;
    
    /* Warning Colors (Yellows) */
    --color-warning: #ffc107;
    --color-warning-dark: #856404;
    --color-warning-light: #fff3cd;
    
    /* Neutral Colors (Grays) */
    --color-neutral-100: #f8f9fa;  /* Very light gray */
    --color-neutral-200: #e9ecef;  /* Light gray */
    --color-neutral-300: #dee2e6;  /* Medium light gray */
    --color-neutral-400: #6c757d;  /* Medium gray */
    --color-neutral-600: #495057;  /* Dark gray */
    --color-neutral-800: #333333;  /* Very dark gray */
    
    /* Background Colors */
    --color-bg-body: #f5f5f5;
    --color-bg-surface: #ffffff;
    --color-bg-muted: #f8f9fa;
    
    /* Border Colors */
    --color-border-light: #e9ecef;
    --color-border-medium: #dee2e6;
    --color-border-strong: #6c757d;
    
    /* Text Colors */
    --color-text-primary: #333333;
    --color-text-secondary: #6c757d;
    --color-text-muted: #999999;
}

body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background-color: var(--color-bg-body);
}
.header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}
.status-indicator {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--color-neutral-300);
    transition: background-color 0.3s;
}
.status-indicator.success {
    background-color: var(--color-success);
}
.status-indicator.error {
    background-color: var(--color-error);
}
.status-indicator.warning {
    background-color: var(--color-warning);
}
.working-file-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
#working-file-toggle {
    margin: 0;
}
.working-file-container {
    background-color: var(--color-bg-surface);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-top: 20px;
    border: 1px solid var(--color-border-medium);
    
}
.file-upload-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    margin-top: 15px;
}
.file-input {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--color-border-medium);
    border-radius: 5px;
    font-size: 14px;
}
.upload-button {
    padding: 8px 15px;
    background-color: var(--color-success);
    color: var(--color-bg-surface);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
}
.upload-button:hover {
    background-color: var(--color-success-dark);
}
.working-file-info {
    padding: 10px;
    background-color: var(--color-success-light);
    border-radius: 5px;
    border-left: 4px solid var(--color-success);
    margin-bottom: 15px;
    margin-top: 15px;
}
.no-file-info {
    padding: 10px;
    background-color: var(--color-warning-light);
    border-radius: 5px;
    border-left: 4px solid var(--color-warning);
    color: var(--color-warning-dark);
    margin-bottom: 15px;
    margin-top: 15px;
}

/* File System Access API Styles */
.fs-api-section {
    margin-top: 15px;
    padding: 10px;
    border: 1px dashed var(--color-primary);
    border-radius: 5px;
    background-color: var(--color-neutral-100);
}
.fs-api-supported {
    background-color: var(--color-warning-light);
    border-color: var(--color-warning);
}
.fs-api-enabled {
    background-color: var(--color-success-light);
    border-color: var(--color-success);
}
.fs-api-not-supported {
    background-color: var(--color-error-light);
    border-color: var(--color-error);
}
.fs-api-button {
    padding: 6px 12px;
    background-color: var(--color-primary);
    color: var(--color-bg-surface);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin: 5px;
}
.fs-api-button:hover {
    background-color: var(--color-primary-dark);
}
.fs-api-button:disabled {
    background-color: var(--color-neutral-400);
    cursor: not-allowed;
}
.fs-api-status {
    margin: 5px 0;
    font-size: 14px;
}
.auto-update-enabled {
    background-color: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    color: var(--color-primary-dark);
    padding: 8px;
    border-radius: 4px;
    margin-top: 10px;
}

.chat-container {
    background-color: var(--color-bg-surface);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
    margin-top: 15px;
    max-height: 740px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}
.message {
    margin: 8px 0;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 85%;
    line-height: 1.4;
    word-wrap: break-word;
}
.user-message {
    background-color: var(--color-neutral-100);
    text-align: left;
    align-self: flex-end;
}
.assistant-message {
    background-color: transparent;
    align-self: flex-start;
}
.response-item {
    margin: 10px 0;
    padding: 10px;
    border-left: 2px solid var(--color-border-light);
}
.text-response {
    border-left-color: var(--color-border-light);
    white-space: pre-wrap;
}
.code-response {
    position: relative;
    border-left-color: var(--color-border-light);
    background-color: var(--color-neutral-100);
    font-family: monospace;
    white-space: pre-wrap;
}

.code-response pre {
    margin: 0;
}

.copy-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background-color: var(--color-neutral-400);
    color: var(--color-bg-surface);
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}
.copy-btn:hover {
    background-color: var(--color-neutral-600);
}
.decision-point-header {
    border-bottom: 1px solid var(--color-border-light);
}
.decision-response {
    border-left-color: var(--color-border-light);
    background-color: transparent;
}
.decision-option {
    margin: 10px 0;
    padding: 10px;
    border: 1px solid var(--color-border-medium);
    border-radius: 5px;
    background-color: var(--color-bg-surface);
}
.pros {
    color: var(--color-success);
    font-weight: bold;
}
.cons {
    color: var(--color-error);
    font-weight: bold;
}
.error-message {
    background-color: var(--color-error-light);
    border: 1px solid var(--color-error);
    color: var(--color-error-dark);
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
}
.input-container {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    align-items: flex-end;
}
.message-input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--color-border-medium);
    border-radius: 5px;
    font-size: 16px;
    font-family: inherit;
    resize: none;
    line-height: 1.5;
    min-height: 47px;
    max-height: 200px;
    overflow-y: auto;
    box-sizing: border-box;
}
.send-button{
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    min-height: 47px;
}

.clear-button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}


.send-button {
    background-color: var(--color-primary);
    color: var(--color-bg-surface);
}
.clear-button {
    background-color: var(--color-error);
    color: var(--color-bg-surface);
}
.send-button:hover {
    background-color: var(--color-primary-dark);
}
.clear-button:hover {
    background-color: var(--color-error-dark);
}

/* comment: cat test button for quick tex input*/
#clear-history-btn, #cat-test-btn, #multi-cat-test-btn {
    padding: 4px 10px;
    font-size: 12px;
}
#cat-test-btn, #multi-cat-test-btn {
    background-color: var(--color-bg-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border-medium);
}

/* Spinner for loading indicator */
.spinner {
    border: 4px solid var(--color-neutral-200);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    margin-left: 10px;
    align-self: center;
    flex-shrink: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* HTMX Loading States */
.htmx-request .send-button {
    background-color: var(--color-neutral-400);
    cursor: wait;
}
.htmx-request .message-input {
    opacity: 0.7;
}

/* Hide send button when spinner is active */
.input-container:has(#loading-spinner[style*="block"]) .send-button {
    display: none;
}
.decision-option-btn {
    background: var(--color-bg-body);
    border: 1px solid var(--color-border-strong);
    border-radius: 6px;
    padding: 10px 16px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    font-size: 1em;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.decision-option-btn:hover, .decision-option-btn:focus {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    outline: none;
}
.decision-option-btn:disabled {
    background: var(--color-neutral-200);
    border-color: var(--color-neutral-300);
    color: var(--color-neutral-400);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Decision Point Styles */
.decision-point-container {
    padding: 10px;
}

/* Option Card Layout */
.decision-option-card {
    margin: 10px 0;
    border: 1px solid var(--color-border-medium);
    border-radius: 8px;
    background-color: var(--color-bg-surface);
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* First Row: Title/Description + Buttons */
.option-row-1 {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 15px;
    border-bottom: 1px solid var(--color-border-light);
}

.option-title-description {
    flex: 1;
    margin-right: 15px;
}

.option-header {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.option-header.clickable-header:hover {
    background-color: #f8f9fa;
    border-radius: 4px;
    padding: 2px 4px;
}

.option-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.option-title strong {
    font-size: 16px;
    color: var(--color-text-primary);
}

.toggle-indicator {
    margin-left: 8px;
    font-size: 12px;
    color: var(--color-text-secondary);
    transition: transform 0.2s ease;
    user-select: none;
}

.option-header.expanded .toggle-indicator {
    transform: rotate(180deg);
}

.option-description {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-top: 8px;
}

.follow-up-info {
    color: var(--color-text-secondary);
    font-size: 0.9em;
    margin-top: 12px;
}

.option-buttons {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

/* Second Row: In-depth Description */
.option-row-2 {
    padding: 15px;
    border-bottom: 1px solid var(--color-border-light);
    background-color: var(--color-neutral-100);
}

.option-in-depth-description {
    color: var(--color-text-secondary);
    line-height: 1.5;
    font-size: 14px;
}

/* Third Row: Pros and Cons */
.decision-option-card .option-row-3 {
    flex-direction: row !important;
    min-height: 120px;
    width: 100% !important;
    align-items: stretch;
    flex-wrap: nowrap !important;
}

.decision-option-card .option-row-3 .pros-container,
.decision-option-card .option-row-3 .cons-container {
    flex: 1 1 50% !important;
    flex-basis: 50% !important;
    padding: 15px;
    display: flex !important;
    flex-direction: column !important;
    box-sizing: border-box !important;
    width: 50% !important;
    max-width: 50% !important;
    min-width: 0 !important;
}

.decision-option-card .option-row-3 .pros-container {
    border-right: 1px solid var(--color-border-light) !important;
}

.pros-header, .cons-header {
    font-weight: bold;
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 2px solid;
    font-size: 14px;
}

.pros-header {
    color: var(--color-success);
    border-bottom-color: var(--color-success);
}

.cons-header {
    color: var(--color-error);
    border-bottom-color: var(--color-error);
}

.pros-content, .cons-content {
    flex: 1;
    font-weight: normal;
}

.pros-content ul, .cons-content ul {
    margin: 0;
    padding-left: 20px;
}

.pros-content li, .cons-content li,
.pros-content p, .cons-content p {
    font-weight: normal;
    margin-bottom: 5px;
    line-height: 1.4;
}

.decision-option.selected-option, .decision-option-card.selected-option {
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

/* ========================================
   BASE ACTION BUTTON COMPONENT
   ======================================== */
.base-action-btn {
    padding: 4px 10px;
    font-size: 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.2s;
}


/* Button Type Styles (shared by both single and multi-decision buttons) */
.generate-code-btn {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}

.generate-code-btn:hover:not(:disabled) {
    background-color: var(--color-success-light);
}


.more-detail-btn {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.more-detail-btn:hover:not(:disabled) {
    background-color: var(--color-primary-light);
}

.continue-discussion-btn {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.continue-discussion-btn:hover:not(:disabled) {
    background-color: var(--color-primary-light);
}

.option-action-btn:disabled {
    background: var(--color-neutral-200) !important;
    color: var(--color-neutral-400) !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.selected-action-btn:disabled {
    background-color: var(--color-primary) !important;
    color: var(--color-bg-surface) !important;
    font-weight: bold;
    opacity: 1 !important;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.5) !important;
}

/* Preloading States */
.option-action-btn.preloading {
    position: relative;
    pointer-events: none;
}

.option-action-btn.preloading::after {
    content: '';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid var(--color-neutral-400);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.option-action-btn.cached {
    position: relative;
}

.option-action-btn.cached::after {
    content: '✓';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-success);
    font-weight: bold;
    font-size: 14px;
}

.option-action-btn.error {
    position: relative;
    opacity: 0.7;
}

.option-action-btn.error::after {
    content: '⚠';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-error);
    font-weight: bold;
    font-size: 14px;
}

/* Enhanced styles for cached buttons */
.option-action-btn.cached:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.generate-code-btn.cached {
    box-shadow: 0 0 3px rgba(40, 167, 69, 0.3);
}

.more-detail-btn.cached {
    box-shadow: 0 0 3px rgba(23, 162, 184, 0.3);
}

.continue-discussion-btn.cached {
    box-shadow: 0 0 3px rgba(108, 117, 125, 0.3);
}



.multi-decision-action-btn.generate-code-btn {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}

.multi-decision-action-btn.generate-code-btn:hover:not(:disabled) {
    background-color: var(--color-success-light);
}

.multi-decision-action-btn:disabled {
    background: var(--color-neutral-200) !important;
    color: var(--color-neutral-400) !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.multi-decision-action-btn.selected-action-btn:disabled {
    background-color: var(--color-primary) !important;
    color: var(--color-bg-surface) !important;
    font-weight: bold;
    opacity: 1 !important;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.5) !important;
}

/* File Access Setup Styles */
.file-access-setup {
    border: 2px solid var(--color-border-light);
    border-radius: 8px;
    padding: 15px;
    margin-top: 25px;
    background-color: var(--color-neutral-100);
}

.file-access-title {
    margin: 0 0 15px 0;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: 8px;
}

.setup-steps {
    margin-bottom: 15px;
}

.setup-step {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 5px;
    font-weight: 500;
} 

/* Mode Toggle Styles */
.mode-toggle-container {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background-color: var(--color-neutral-100);
    border: 1px solid var(--color-border-light);
    border-radius: 6px;
    margin-top: 15px;
}

.mode-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-secondary);
}

#mode-toggle-btn {
    background-color: var(--color-bg-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 5px 12px;
    font-size: 13px;
    font-weight: 500;
}

#mode-toggle-btn:hover:not(:disabled) {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-dark);
    color: var(--color-primary-dark);
}

.mode-display {
    font-size: 12px;
    color: var(--color-text-primary);
    background-color: var(--color-neutral-200);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 500;
}

/* Multiple Decision Points Table Styles */
.multiple-decision-response {
    position: relative;
    border-left-color: var(--color-border-light);
    background-color: transparent;
    padding: 15px;
    margin-top: 10px;
    border: 1px solid var(--color-border-medium);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.multi-decision-actions {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    gap: 10px;
}

.multi-decision-table .decision-point-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.multi-decision-table .header-text {
    flex-grow: 1;
}

.multi-decision-table .header-actions {
    display: flex;
    gap: 10px;
}

.multi-decision-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.multi-decision-table th,
.multi-decision-table td {
    border: 1px solid var(--color-border-light);
    padding: 12px;
    text-align: left;
    vertical-align: top;
}

.multi-decision-table th {
    background-color: var(--color-neutral-100);
    font-weight: 600;
    font-size: 14px;
}

.decision-description {
    width: 30%;
}

.decision-description p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 5px;
}

.option-cell {
    width: 35%;
    cursor: pointer;
    transition: background-color 0.2s;
}

.option-cell:hover {
    background-color: var(--color-neutral-100);
}

.option-label {
    display: block;
    cursor: pointer;
}

.option-title {
    font-weight: bold;
    font-size: 14px;
    color: var(--color-text-primary);
}

.option-description {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 5px;
}

.option-pros-cons {
    margin-top: 10px;
    font-size: 12px;
}

.option-pros-cons .pros {
    color: var(--color-success);
}

.option-pros-cons .cons {
    color: var(--color-error);
    margin-top: 4px;
}

.multi-decision-radio {
    display: none; /* Hide the default radio button */
}

.multi-decision-radio:checked + .option-label .option-title {
    color: var(--color-primary);
}

.multi-decision-table td.option-cell.selected {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    box-shadow: inset 0 0 0 2px var(--color-primary);
}