/**
 * Nov AI Frontend - Dark Theme v2.0
 * Comic-Style Chat Bubble with Chat Above
 * Multi-AI Orchestration Support
 */

:root {
    --nova-bg-dark: #0a0a0f;
    --nova-bg-card: #12121a;
    --nova-bg-input: #1a1a24;
    --nova-bg-hover: #22222e;
    --nova-border: #2a2a3a;
    --nova-border-light: #3a3a4a;
    --nova-text: #e4e4ef;
    --nova-text-muted: #8888a0;
    --nova-text-dim: #5a5a70;
    --nova-accent: #6366f1;
    --nova-accent-hover: #818cf8;
    --nova-accent-glow: rgba(99, 102, 241, 0.4);
    --nova-success: #22c55e;
    --nova-warning: #f59e0b;
    --nova-error: #ef4444;
    --nova-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --nova-gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    --nova-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    --nova-shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --nova-radius: 16px;
    --nova-radius-sm: 8px;
    --nova-radius-lg: 24px;
    --nova-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --nova-transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ========================================
   COMIC-STYLE FLOATING BUBBLE
   ======================================== */

.nov-ai-bubble {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--nova-gradient);
    cursor: pointer;
    z-index: 99998;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--nova-shadow), var(--nova-shadow-glow);
    transition: var(--nova-transition-bounce);
    user-select: none;
    touch-action: none;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.nov-ai-bubble::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: var(--nova-gradient);
    z-index: -1;
    opacity: 0;
    filter: blur(12px);
    transition: var(--nova-transition);
}

.nov-ai-bubble:hover {
    transform: scale(1.08);
}

.nov-ai-bubble:hover::before {
    opacity: 0.6;
}

.nov-ai-bubble:active {
    transform: scale(0.95);
}

.nov-ai-bubble__icon {
    width: 28px;
    height: 28px;
    color: #fff;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.nov-ai-bubble__pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--nova-gradient);
    animation: nova-pulse 2.5s ease-out infinite;
    z-index: -2;
}

@keyframes nova-pulse {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.8);
        opacity: 0;
    }
}

.nov-ai-bubble--dragging {
    cursor: grabbing;
    transition: none;
}

.nov-ai-bubble--dragging .nov-ai-bubble__pulse {
    animation: none;
}

.nov-ai-bubble--active {
    transform: scale(0.9);
}

.nov-ai-bubble--active::before {
    opacity: 1;
}

/* ========================================
   COMIC-STYLE CHAT PANEL (Above Bubble)
   ======================================== */

.nov-ai-chatbox {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 420px;
    max-width: calc(100vw - 48px);
    max-height: calc(100vh - 150px);
    background: var(--nova-bg-dark);
    border-radius: var(--nova-radius-lg);
    box-shadow: var(--nova-shadow), var(--nova-shadow-glow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
    transition: var(--nova-transition-bounce);
    border: 1px solid var(--nova-border);
}

.nov-ai-chatbox--open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Comic tail/pointer */
.nov-ai-chatbox::after {
    content: '';
    position: absolute;
    bottom: -12px;
    right: 28px;
    width: 24px;
    height: 24px;
    background: var(--nova-bg-dark);
    border-right: 1px solid var(--nova-border);
    border-bottom: 1px solid var(--nova-border);
    transform: rotate(45deg);
    z-index: -1;
}

/* Glowing border effect */
.nov-ai-chatbox::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--nova-radius-lg);
    background: var(--nova-gradient);
    z-index: -2;
    opacity: 0.3;
}

/* Mobile: Full width */
@media (max-width: 480px) {
    .nov-ai-chatbox {
        width: calc(100vw - 32px);
        right: 16px;
        bottom: 90px;
        max-height: calc(100vh - 120px);
        border-radius: var(--nova-radius);
    }

    .nov-ai-bubble {
        right: 16px;
        bottom: 16px;
        width: 56px;
        height: 56px;
    }
}

/* ========================================
   CHATBOX HEADER
   ======================================== */

.nov-ai-chatbox__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--nova-gradient-subtle);
    border-bottom: 1px solid var(--nova-border);
}

.nov-ai-chatbox__title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--nova-text);
    margin: 0;
}

.nov-ai-chatbox__title-icon {
    width: 24px;
    height: 24px;
    background: var(--nova-gradient);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nov-ai-chatbox__title-icon svg {
    width: 14px;
    height: 14px;
    color: #fff;
}

.nov-ai-chatbox__actions {
    display: flex;
    gap: 8px;
}

.nov-ai-chatbox__btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--nova-text-muted);
    cursor: pointer;
    border-radius: var(--nova-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--nova-transition);
}

.nov-ai-chatbox__btn:hover {
    background: var(--nova-bg-hover);
    color: var(--nova-text);
}

.nov-ai-chatbox__btn svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   MODEL SELECTOR (Real Model List)
   ======================================== */

.nov-ai-model-selector {
    padding: 12px 16px;
    background: var(--nova-bg-card);
    border-bottom: 1px solid var(--nova-border);
}

.nov-ai-model-selector__tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 12px;
}

.nov-ai-model-tab {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--nova-border);
    background: transparent;
    color: var(--nova-text-muted);
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--nova-radius-sm);
    cursor: pointer;
    transition: var(--nova-transition);
}

.nov-ai-model-tab:hover {
    background: var(--nova-bg-hover);
    color: var(--nova-text);
}

.nov-ai-model-tab--active {
    background: var(--nova-accent);
    border-color: var(--nova-accent);
    color: #fff;
}

/* Single Model Selector */
.nov-ai-model-single {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nov-ai-model-single__label {
    color: var(--nova-text-muted);
    font-size: 12px;
    white-space: nowrap;
}

.nov-ai-model-single__select {
    flex: 1;
    padding: 10px 14px;
    background: var(--nova-bg-input);
    border: 1px solid var(--nova-border);
    color: var(--nova-text);
    border-radius: var(--nova-radius-sm);
    font-size: 13px;
    cursor: pointer;
    transition: var(--nova-transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238888a0' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.nov-ai-model-single__select:focus {
    outline: none;
    border-color: var(--nova-accent);
    box-shadow: 0 0 0 3px var(--nova-accent-glow);
}

.nov-ai-model-single__select optgroup {
    font-weight: 600;
    color: var(--nova-text);
    background: var(--nova-bg-card);
}

.nov-ai-model-single__select option {
    padding: 8px;
    background: var(--nova-bg-input);
}

/* ========================================
   MULTI-AI ORCHESTRATION
   ======================================== */

.nov-ai-orchestration {
    display: none;
    flex-direction: column;
    gap: 12px;
}

.nov-ai-orchestration--active {
    display: flex;
}

.nov-ai-orchestration__info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--nova-gradient-subtle);
    border-radius: var(--nova-radius-sm);
    font-size: 12px;
    color: var(--nova-text-muted);
}

.nov-ai-orchestration__info svg {
    width: 16px;
    height: 16px;
    color: var(--nova-accent);
}

.nov-ai-orchestration__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.nov-ai-orchestration__slot {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nov-ai-orchestration__slot-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--nova-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nov-ai-orchestration__slot-select {
    padding: 8px 10px;
    background: var(--nova-bg-input);
    border: 1px solid var(--nova-border);
    color: var(--nova-text);
    border-radius: var(--nova-radius-sm);
    font-size: 11px;
    cursor: pointer;
    transition: var(--nova-transition);
}

.nov-ai-orchestration__slot-select:focus {
    outline: none;
    border-color: var(--nova-accent);
}

.nov-ai-orchestration__summary {
    padding: 10px 12px;
    background: var(--nova-bg-input);
    border: 1px solid var(--nova-border);
    border-radius: var(--nova-radius-sm);
}

.nov-ai-orchestration__summary-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--nova-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.nov-ai-orchestration__summary-select {
    width: 100%;
    padding: 8px 10px;
    background: var(--nova-bg-dark);
    border: 1px solid var(--nova-border);
    color: var(--nova-text);
    border-radius: var(--nova-radius-sm);
    font-size: 11px;
    cursor: pointer;
}

/* ========================================
   CHAT MESSAGES
   ======================================== */

.nov-ai-chatbox__messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 200px;
    max-height: 400px;
    background: var(--nova-bg-dark);
}

.nov-ai-message {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: var(--nova-radius);
    font-size: 14px;
    line-height: 1.6;
    animation: nova-message-in 0.3s ease-out;
    position: relative;
}

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

.nov-ai-message--user {
    align-self: flex-end;
    background: var(--nova-accent);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.nov-ai-message--assistant {
    align-self: flex-start;
    background: var(--nova-bg-card);
    color: var(--nova-text);
    border: 1px solid var(--nova-border);
    border-bottom-left-radius: 4px;
}

.nov-ai-message--loading {
    align-self: flex-start;
    background: var(--nova-bg-card);
    color: var(--nova-text-muted);
    border: 1px solid var(--nova-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nov-ai-message--loading .nova-dots {
    display: flex;
    gap: 4px;
}

.nov-ai-message--loading .nova-dots span {
    width: 6px;
    height: 6px;
    background: var(--nova-accent);
    border-radius: 50%;
    animation: nova-bounce 1.4s ease-in-out infinite;
}

.nov-ai-message--loading .nova-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.nov-ai-message--loading .nova-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes nova-bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

.nov-ai-message--error {
    align-self: flex-start;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--nova-error);
    color: var(--nova-error);
}

/* Multi-AI Response Card */
.nov-ai-message--orchestrated {
    max-width: 95%;
    padding: 0;
    background: transparent;
    border: none;
}

.nov-ai-orchestrated {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nov-ai-orchestrated__responses {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nov-ai-orchestrated__response {
    padding: 12px;
    background: var(--nova-bg-card);
    border: 1px solid var(--nova-border);
    border-radius: var(--nova-radius-sm);
}

.nov-ai-orchestrated__response-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--nova-border);
}

.nov-ai-orchestrated__response-model {
    font-size: 11px;
    font-weight: 600;
    color: var(--nova-accent);
    background: var(--nova-gradient-subtle);
    padding: 3px 8px;
    border-radius: 4px;
}

.nov-ai-orchestrated__response-time {
    font-size: 10px;
    color: var(--nova-text-dim);
    margin-left: auto;
}

.nov-ai-orchestrated__response-content {
    font-size: 13px;
    color: var(--nova-text);
    line-height: 1.5;
}

.nov-ai-orchestrated__summary {
    padding: 12px;
    background: var(--nova-gradient-subtle);
    border: 1px solid var(--nova-accent);
    border-radius: var(--nova-radius-sm);
}

.nov-ai-orchestrated__summary-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--nova-accent);
}

.nov-ai-orchestrated__summary-header svg {
    width: 16px;
    height: 16px;
}

.nov-ai-orchestrated__summary-content {
    font-size: 14px;
    color: var(--nova-text);
    line-height: 1.6;
}

/* Message Content Formatting */
.nov-ai-message strong {
    font-weight: 600;
    color: inherit;
}

.nov-ai-message em {
    font-style: italic;
}

.nov-ai-message code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 12px;
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
}

.nov-ai-message pre {
    background: var(--nova-bg-dark);
    border: 1px solid var(--nova-border);
    border-radius: var(--nova-radius-sm);
    padding: 12px;
    overflow-x: auto;
    margin: 8px 0;
}

.nov-ai-message pre code {
    background: none;
    padding: 0;
}

.nov-ai-message a {
    color: var(--nova-accent-hover);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.nov-ai-message a:hover {
    color: var(--nova-accent);
}

/* ========================================
   CHAT INPUT
   ======================================== */

.nov-ai-chatbox__input {
    display: flex;
    gap: 10px;
    padding: 16px;
    background: var(--nova-bg-card);
    border-top: 1px solid var(--nova-border);
}

.nov-ai-chatbox__input-field {
    flex: 1;
    padding: 12px 16px;
    background: var(--nova-bg-input);
    border: 1px solid var(--nova-border);
    color: var(--nova-text);
    border-radius: var(--nova-radius);
    font-size: 14px;
    transition: var(--nova-transition);
    resize: none;
    min-height: 44px;
    max-height: 120px;
    font-family: inherit;
}

.nov-ai-chatbox__input-field:focus {
    outline: none;
    border-color: var(--nova-accent);
    box-shadow: 0 0 0 3px var(--nova-accent-glow);
}

.nov-ai-chatbox__input-field::placeholder {
    color: var(--nova-text-muted);
}

.nov-ai-chatbox__send {
    width: 44px;
    height: 44px;
    background: var(--nova-gradient);
    border: none;
    border-radius: var(--nova-radius);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--nova-transition);
    flex-shrink: 0;
}

.nov-ai-chatbox__send:hover {
    transform: scale(1.05);
    box-shadow: var(--nova-shadow-glow);
}

.nov-ai-chatbox__send:active {
    transform: scale(0.95);
}

.nov-ai-chatbox__send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.nov-ai-chatbox__send svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   DISCUSS BUTTON (Article)
   ======================================== */

.nov-ai-discuss {
    margin: 24px 0;
    text-align: center;
}

.nov-ai-discuss__button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--nova-gradient);
    border: none;
    border-radius: 50px;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--nova-transition);
    box-shadow: 0 4px 20px var(--nova-accent-glow);
}

.nov-ai-discuss__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--nova-accent-glow);
}

.nov-ai-discuss__button svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   EMBEDDED CHAT [nov_ai_chat]
   ======================================== */

.nov-ai-embedded {
    background: var(--nova-bg-dark);
    border: 1px solid var(--nova-border);
    border-radius: var(--nova-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.nov-ai-embedded__header {
    padding: 16px;
    background: var(--nova-gradient-subtle);
    border-bottom: 1px solid var(--nova-border);
}

.nov-ai-embedded__messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 300px;
}

.nov-ai-embedded__form {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: var(--nova-bg-card);
    border-top: 1px solid var(--nova-border);
}

.nov-ai-embedded__input {
    flex: 1;
    padding: 12px 16px;
    background: var(--nova-bg-input);
    border: 1px solid var(--nova-border);
    color: var(--nova-text);
    border-radius: var(--nova-radius-sm);
    font-size: 14px;
}

.nov-ai-embedded__input:focus {
    outline: none;
    border-color: var(--nova-accent);
}

.nov-ai-embedded__submit {
    padding: 12px 24px;
    background: var(--nova-gradient);
    border: none;
    border-radius: var(--nova-radius-sm);
    color: #fff;
    font-weight: 500;
    cursor: pointer;
    transition: var(--nova-transition);
}

.nov-ai-embedded__submit:hover {
    transform: scale(1.02);
}

/* ========================================
   WELCOME STATE
   ======================================== */

.nov-ai-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    gap: 16px;
}

.nov-ai-welcome__icon {
    width: 64px;
    height: 64px;
    background: var(--nova-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.nov-ai-welcome__icon svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.nov-ai-welcome__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--nova-text);
    margin: 0;
}

.nov-ai-welcome__subtitle {
    font-size: 14px;
    color: var(--nova-text-muted);
    margin: 0;
    max-width: 280px;
}

.nov-ai-welcome__suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 8px;
}

.nov-ai-welcome__suggestion {
    padding: 8px 14px;
    background: var(--nova-bg-card);
    border: 1px solid var(--nova-border);
    border-radius: 20px;
    color: var(--nova-text-muted);
    font-size: 12px;
    cursor: pointer;
    transition: var(--nova-transition);
}

.nov-ai-welcome__suggestion:hover {
    background: var(--nova-bg-hover);
    color: var(--nova-text);
    border-color: var(--nova-accent);
}

/* ========================================
   UTILITIES
   ======================================== */

.nov-ai-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;
}

/* Scrollbar */
.nov-ai-chatbox__messages::-webkit-scrollbar,
.nov-ai-embedded__messages::-webkit-scrollbar {
    width: 6px;
}

.nov-ai-chatbox__messages::-webkit-scrollbar-track,
.nov-ai-embedded__messages::-webkit-scrollbar-track {
    background: transparent;
}

.nov-ai-chatbox__messages::-webkit-scrollbar-thumb,
.nov-ai-embedded__messages::-webkit-scrollbar-thumb {
    background: var(--nova-border);
    border-radius: 3px;
}

.nov-ai-chatbox__messages::-webkit-scrollbar-thumb:hover,
.nov-ai-embedded__messages::-webkit-scrollbar-thumb:hover {
    background: var(--nova-text-muted);
}

/* Status indicators */
.nov-ai-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--nova-text-muted);
}

.nov-ai-status__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--nova-success);
}

.nov-ai-status__dot--warning {
    background: var(--nova-warning);
}

.nov-ai-status__dot--error {
    background: var(--nova-error);
}

/* ========================================
   MARKDOWN FORMATTING
   ======================================== */

/* Headers */
.nov-ai-md-h2 {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--nova-text);
    margin: 16px 0 8px 0;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--nova-border);
}

.nov-ai-md-h3 {
    font-size: 1.15em;
    font-weight: 600;
    color: var(--nova-text);
    margin: 12px 0 6px 0;
}

.nov-ai-md-h4 {
    font-size: 1em;
    font-weight: 600;
    color: var(--nova-text-muted);
    margin: 10px 0 4px 0;
}

/* Inline Code */
.nov-ai-inline-code {
    display: inline;
    padding: 2px 6px;
    background: var(--nova-bg-input);
    border: 1px solid var(--nova-border);
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
    font-size: 0.9em;
    color: var(--nova-accent);
    white-space: nowrap;
}

/* Code Block Container */
.nov-ai-code-block {
    margin: 12px 0;
    border-radius: var(--nova-radius-sm);
    overflow: hidden;
    border: 1px solid var(--nova-border);
    background: var(--nova-bg-dark);
}

.nov-ai-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--nova-bg-input);
    border-bottom: 1px solid var(--nova-border);
    gap: 10px;
}

.nov-ai-code-lang {
    font-size: 11px;
    font-weight: 600;
    color: var(--nova-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Copy Button */
.nov-ai-copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--nova-bg-hover);
    border: 1px solid var(--nova-border);
    border-radius: 4px;
    color: var(--nova-text-muted);
    font-size: 11px;
    cursor: pointer;
    transition: var(--nova-transition);
    margin-left: auto;
}

.nov-ai-copy-btn svg {
    width: 14px;
    height: 14px;
}

.nov-ai-copy-btn:hover {
    background: var(--nova-accent);
    color: #fff;
    border-color: var(--nova-accent);
}

.nov-ai-copy-btn--copied {
    background: var(--nova-success) !important;
    border-color: var(--nova-success) !important;
    color: #fff !important;
}

/* Pre/Code */
.nov-ai-pre {
    margin: 0;
    padding: 14px 16px;
    overflow-x: auto;
    background: var(--nova-bg-dark);
}

.nov-ai-code {
    display: block;
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--nova-text);
    white-space: pre;
    tab-size: 4;
}

/* Lists */
.nov-ai-list,
.nov-ai-list-num {
    margin: 8px 0;
    padding-left: 20px;
}

.nov-ai-list-item,
.nov-ai-list-item-num {
    margin: 4px 0;
    color: var(--nova-text);
}

.nov-ai-list-item::marker {
    color: var(--nova-accent);
}

.nov-ai-list-item-num::marker {
    color: var(--nova-accent);
    font-weight: 600;
}

/* Links */
.nov-ai-link {
    color: var(--nova-accent);
    text-decoration: none;
    border-bottom: 1px dotted var(--nova-accent);
    transition: var(--nova-transition);
}

.nov-ai-link:hover {
    color: var(--nova-accent-hover);
    border-bottom-style: solid;
}

/* Message Content Typography */
.nov-ai-message--assistant strong {
    color: var(--nova-text);
    font-weight: 600;
}

.nov-ai-message--assistant em {
    color: var(--nova-text-muted);
    font-style: italic;
}

/* ========================================
   LEGACY OVERLAY (hidden, for compatibility)
   ======================================== */

.nov-ai-overlay {
    display: none !important;
}