/**
 * Quarky v4.0 Chat Widget Styles
 * Dark theme with cyan/purple accents
 */

/* Variables */
.quarky-widget {
    --quarky-primary: #00d4ff;
    --quarky-secondary: #8b5cf6;
    --quarky-bg-primary: #0a0a0f;
    --quarky-bg-secondary: #12121a;
    --quarky-bg-tertiary: #1a1a24;
    --quarky-bg-hover: #22222e;
    --quarky-text-primary: #e4e4e7;
    --quarky-text-secondary: #a1a1aa;
    --quarky-text-tertiary: #71717a;
    --quarky-border: #27272a;
    --quarky-success: #22c55e;
    --quarky-warning: #f59e0b;
    --quarky-danger: #ef4444;
    --quarky-radius: 12px;
    --quarky-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

/* Light theme override */
.quarky-widget.quarky-light {
    --quarky-bg-primary: #ffffff;
    --quarky-bg-secondary: #f4f4f5;
    --quarky-bg-tertiary: #e4e4e7;
    --quarky-bg-hover: #d4d4d8;
    --quarky-text-primary: #18181b;
    --quarky-text-secondary: #52525b;
    --quarky-text-tertiary: #71717a;
    --quarky-border: #d4d4d8;
}

/* Widget Container */
.quarky-widget {
    position: fixed;
    z-index: 9999;
}

.quarky-widget.quarky-bottom-right {
    bottom: 20px;
    right: 20px;
}

.quarky-widget.quarky-bottom-left {
    bottom: 20px;
    left: 20px;
}

/* Toggle Button */
.quarky-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--quarky-primary), var(--quarky-secondary));
    color: white;
    cursor: pointer;
    box-shadow: var(--quarky-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.quarky-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 30px 60px -12px rgba(0, 212, 255, 0.3);
}

.quarky-toggle-close {
    display: none;
    font-size: 28px;
    font-weight: 300;
}

.quarky-widget.quarky-open .quarky-toggle-icon {
    display: none;
}

.quarky-widget.quarky-open .quarky-toggle-close {
    display: block;
}

/* Chat Window */
.quarky-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    max-width: calc(100vw - 40px);
    height: 550px;
    max-height: calc(100vh - 120px);
    background: var(--quarky-bg-primary);
    border-radius: var(--quarky-radius);
    box-shadow: var(--quarky-shadow);
    border: 1px solid var(--quarky-border);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
}

.quarky-widget.quarky-open .quarky-window {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.quarky-widget.quarky-bottom-left .quarky-window {
    right: auto;
    left: 0;
}

/* Header */
.quarky-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--quarky-bg-secondary);
    border-bottom: 1px solid var(--quarky-border);
    border-radius: var(--quarky-radius) var(--quarky-radius) 0 0;
}

.quarky-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.quarky-avatar {
    font-size: 28px;
}

.quarky-name {
    font-weight: 600;
    color: var(--quarky-text-primary);
    display: block;
}

.quarky-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--quarky-text-secondary);
}

.quarky-status-dot {
    width: 8px;
    height: 8px;
    background: var(--quarky-success);
    border-radius: 50%;
    animation: quarky-pulse 2s infinite;
}

@keyframes quarky-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.quarky-header-actions {
    display: flex;
    gap: 8px;
}

.quarky-btn-icon {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--quarky-bg-tertiary);
    color: var(--quarky-text-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.2s, color 0.2s;
}

.quarky-btn-icon:hover {
    background: var(--quarky-bg-hover);
    color: var(--quarky-text-primary);
}

/* Messages Area */
.quarky-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quarky-messages::-webkit-scrollbar {
    width: 6px;
}

.quarky-messages::-webkit-scrollbar-track {
    background: transparent;
}

.quarky-messages::-webkit-scrollbar-thumb {
    background: var(--quarky-border);
    border-radius: 3px;
}

/* Messages */
.quarky-message {
    max-width: 85%;
    animation: quarky-fade-in 0.3s ease;
}

@keyframes quarky-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quarky-message-user {
    align-self: flex-end;
}

.quarky-message-assistant {
    align-self: flex-start;
}

.quarky-message-content {
    padding: 12px 16px;
    border-radius: 16px;
    word-wrap: break-word;
}

.quarky-message-user .quarky-message-content {
    background: linear-gradient(135deg, var(--quarky-primary), var(--quarky-secondary));
    color: white;
    border-bottom-right-radius: 4px;
}

.quarky-message-assistant .quarky-message-content {
    background: var(--quarky-bg-secondary);
    color: var(--quarky-text-primary);
    border-bottom-left-radius: 4px;
}

.quarky-message-content code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9em;
}

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

.quarky-message-content pre code {
    background: transparent;
    padding: 0;
}

.quarky-message-content a {
    color: var(--quarky-primary);
    text-decoration: underline;
}

.quarky-message-time {
    font-size: 10px;
    color: var(--quarky-text-tertiary);
    margin-top: 4px;
    text-align: right;
}

.quarky-message-assistant .quarky-message-time {
    text-align: left;
}

/* Thought Chain */
.quarky-thought-chain {
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--quarky-bg-tertiary);
    border-radius: 8px;
    font-size: 12px;
}

.quarky-thought-chain summary {
    cursor: pointer;
    color: var(--quarky-primary);
    font-weight: 500;
}

.quarky-thought-chain ol {
    margin: 8px 0 0 16px;
    padding: 0;
    color: var(--quarky-text-secondary);
}

.quarky-thought-chain li {
    margin-bottom: 4px;
}

/* Confidence Indicator */
.quarky-confidence {
    margin-top: 8px;
    padding: 6px 10px;
    background: var(--quarky-bg-tertiary);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.quarky-confidence-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    opacity: 0.2;
    transition: width 0.5s ease;
}

.quarky-confidence-high .quarky-confidence-bar {
    background: var(--quarky-success);
}

.quarky-confidence-medium .quarky-confidence-bar {
    background: var(--quarky-warning);
}

.quarky-confidence-low .quarky-confidence-bar {
    background: var(--quarky-danger);
}

.quarky-confidence-text {
    position: relative;
    font-size: 11px;
    font-weight: 500;
}

.quarky-confidence-high .quarky-confidence-text {
    color: var(--quarky-success);
}

.quarky-confidence-medium .quarky-confidence-text {
    color: var(--quarky-warning);
}

.quarky-confidence-low .quarky-confidence-text {
    color: var(--quarky-danger);
}

/* Limitations */
.quarky-limitations {
    margin-top: 8px;
    padding: 6px 10px;
    background: rgba(251, 146, 60, 0.1);
    border-radius: 8px;
    font-size: 11px;
    color: var(--quarky-warning);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Typing Indicator */
.quarky-typing .quarky-message-content {
    padding: 16px 20px;
}

.quarky-typing-indicator {
    display: flex;
    gap: 4px;
}

.quarky-typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--quarky-text-secondary);
    border-radius: 50%;
    animation: quarky-typing 1.4s infinite;
}

.quarky-typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.quarky-typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes quarky-typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-8px);
    }
}

/* Predictions */
.quarky-predictions {
    padding: 8px 16px;
    border-top: 1px solid var(--quarky-border);
    background: var(--quarky-bg-secondary);
}

.quarky-predictions-label {
    font-size: 11px;
    color: var(--quarky-text-secondary);
    display: block;
    margin-bottom: 8px;
}

.quarky-predictions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.quarky-prediction-chip {
    padding: 6px 12px;
    background: var(--quarky-bg-tertiary);
    border: 1px solid var(--quarky-border);
    border-radius: 999px;
    font-size: 12px;
    color: var(--quarky-text-primary);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.quarky-prediction-chip:hover {
    background: var(--quarky-bg-hover);
    border-color: var(--quarky-primary);
}

/* Attachments Preview */
.quarky-attachments-preview {
    padding: 8px 16px;
    border-top: 1px solid var(--quarky-border);
    background: var(--quarky-bg-secondary);
}

.quarky-attachments-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.quarky-attachment-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--quarky-bg-tertiary);
    border-radius: 8px;
    font-size: 12px;
}

.quarky-attachment-icon {
    font-size: 14px;
}

.quarky-attachment-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--quarky-text-primary);
}

.quarky-attachment-remove {
    width: 18px;
    height: 18px;
    border: none;
    background: var(--quarky-bg-hover);
    color: var(--quarky-text-secondary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
}

.quarky-attachment-remove:hover {
    background: var(--quarky-danger);
    color: white;
}

/* Input Area */
.quarky-input-area {
    padding: 12px 16px;
    border-top: 1px solid var(--quarky-border);
    background: var(--quarky-bg-secondary);
    border-radius: 0 0 var(--quarky-radius) var(--quarky-radius);
}

.quarky-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    background: var(--quarky-bg-tertiary);
    border-radius: 24px;
    padding: 8px 12px;
    border: 1px solid var(--quarky-border);
    transition: border-color 0.2s;
}

.quarky-input-wrapper:focus-within {
    border-color: var(--quarky-primary);
}

.quarky-attach-btn {
    flex-shrink: 0;
}

.quarky-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--quarky-text-primary);
    font-size: 14px;
    line-height: 1.5;
    resize: none;
    outline: none;
    max-height: 120px;
}

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

.quarky-send-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: linear-gradient(135deg, var(--quarky-primary), var(--quarky-secondary));
    color: white;
    border-radius: 50%;
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.2s, opacity 0.2s;
}

.quarky-send-btn:hover:not(:disabled) {
    transform: scale(1.1);
}

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

.quarky-send-icon {
    font-size: 16px;
}

.quarky-powered-by {
    text-align: center;
    font-size: 10px;
    color: var(--quarky-text-tertiary);
    margin-top: 8px;
}

.quarky-powered-by a {
    color: var(--quarky-primary);
    text-decoration: none;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .quarky-window {
        width: calc(100vw - 20px);
        height: calc(100vh - 100px);
        bottom: 70px;
        right: 10px;
    }
    
    .quarky-widget.quarky-bottom-left .quarky-window {
        left: 10px;
    }
    
    .quarky-toggle {
        width: 50px;
        height: 50px;
    }
}