/* Studio chat — Cursor-style: integrated text, no bubble blocks */

.studio-chatpanel #chatMessages,
.studio-chatpanel .studio-msg-list {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0.85rem 1rem;
    gap: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.studio-chatpanel .studio-msg {
    display: flex;
    gap: 0.65rem;
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid color-mix(in srgb, var(--t-border) 32%, transparent);
    animation: studioMsgIn 0.25s ease both;
}

.studio-chatpanel .studio-msg:last-child {
    border-bottom: none;
}

/* User */
.studio-chatpanel .studio-msg--user {
    justify-content: flex-end;
    padding-left: 1.25rem;
}

.studio-chatpanel .studio-msg--user .studio-msg__body {
    max-width: min(92%, 28rem);
    padding: 0.5rem 0.8rem;
    border-radius: 0.65rem;
    background: color-mix(in srgb, var(--t-surface-2) 85%, var(--t-text) 3%) !important;
    border: 1px solid color-mix(in srgb, var(--t-border) 50%, transparent);
    color: var(--t-text) !important;
    font-size: 0.8125rem;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
    box-shadow: none !important;
}

/* Agent — NO background bubble */
.studio-chatpanel .studio-msg--agent .studio-msg__avatar {
    flex-shrink: 0;
    margin-top: 0.05rem;
}

.studio-chatpanel .studio-msg__main {
    flex: 1;
    min-width: 0;
}

.studio-chatpanel .studio-msg__head {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.2rem;
}

.studio-chatpanel .studio-msg__name {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--t-text-muted);
}

.studio-chatpanel .studio-msg--agent .studio-msg__body,
.studio-chatpanel .studio-msg--agent .chat-agent,
.studio-chatpanel .chat-agent,
.studio-chatpanel .chat-user {
    background: transparent !important;
    background-color: transparent !important;
    color: var(--t-text) !important;
    font-size: 0.875rem;
    line-height: 1.62;
    white-space: pre-wrap;
    word-break: break-word;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    max-width: none !important;
    box-shadow: none !important;
}

/* Pipeline status — compact muted line */
.studio-chatpanel .studio-msg--status {
    padding: 0.35rem 0.25rem 0.35rem 2.5rem;
    border-bottom: none;
    gap: 0;
}

.studio-chatpanel .studio-msg--status .studio-msg__body {
    font-size: 0.75rem;
    line-height: 1.45;
    color: var(--t-text-muted) !important;
    font-style: normal;
}

.studio-chatpanel .studio-msg--status .studio-msg__body::before {
    content: '→ ';
    opacity: 0.55;
}

.studio-chatpanel .studio-msg__body.is-streaming {
    position: relative;
}

.studio-chatpanel .studio-msg__body .studio-type-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    margin-left: 1px;
    vertical-align: text-bottom;
    background: var(--t-text-muted);
    animation: studioTypeBlink 0.85s step-end infinite;
}

.studio-chatpanel .studio-msg__thinking-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--t-text-muted);
    margin-bottom: 0.3rem;
}

/* Live tool steps — inline in agent bubble (ChatGPT / Cursor style) */
.studio-chatpanel .studio-live-steps {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.65rem;
}

.studio-chatpanel .studio-live-step {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.42rem 0.55rem;
    border-radius: 0.55rem;
    border: 1px solid color-mix(in srgb, var(--t-border) 55%, transparent);
    background: color-mix(in srgb, var(--t-surface-2) 55%, transparent);
    font-size: 0.72rem;
    line-height: 1.4;
    color: var(--t-text-muted);
    animation: studioMsgIn 0.2s ease both;
}

.studio-chatpanel .studio-live-step.is-running {
    color: var(--t-text);
    border-color: color-mix(in srgb, #818cf8 35%, var(--t-border));
    background: color-mix(in srgb, #818cf8 8%, var(--t-surface-2));
}

.studio-chatpanel .studio-live-step.is-done {
    opacity: 0.72;
}

.studio-chatpanel .studio-live-step__icon {
    flex-shrink: 0;
    margin-top: 0.1rem;
    color: #818cf8;
    opacity: 0.9;
}

.studio-chatpanel .studio-live-step.is-done .studio-live-step__icon {
    color: #6ee7b7;
}

.studio-chatpanel .studio-live-step__main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}

.studio-chatpanel .studio-live-step__label {
    font-weight: 500;
    color: inherit;
}

.studio-chatpanel .studio-live-step__detail {
    font-size: 0.65rem;
    color: var(--t-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.studio-chatpanel .studio-live-step__think {
    font-family: ui-monospace, Menlo, Consolas, monospace;
    font-size: 0.62rem;
    line-height: 1.45;
    color: color-mix(in srgb, var(--t-text-muted) 90%, #a5b4fc);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 4.5rem;
    overflow: auto;
    margin-top: 0.15rem;
}

/* Cursor-style reasoning rail → bright answer */
.studio-chatpanel .studio-mind-rail {
    margin-bottom: 0.55rem;
    padding: 0.35rem 0 0.15rem;
    border-left: 2px solid color-mix(in srgb, #a5b4fc 45%, transparent);
    padding-left: 0.55rem;
}

.studio-chatpanel .studio-mind-rail__toggle {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    border: none;
    background: transparent;
    padding: 0;
    margin: 0 0 0.25rem;
    font-size: 0.68rem;
    font-weight: 500;
    color: color-mix(in srgb, var(--t-text-muted) 88%, #c4b5fd);
    cursor: pointer;
    text-align: left;
}

.studio-chatpanel .studio-mind-rail__toggle:hover {
    color: color-mix(in srgb, var(--t-text) 75%, #c4b5fd);
}

.studio-chatpanel .studio-mind-rail__toggle::before {
    content: '›';
    display: inline-block;
    transition: transform 0.2s ease;
    opacity: 0.7;
}

.studio-chatpanel .studio-mind-rail.is-expanded .studio-mind-rail__toggle::before {
    transform: rotate(90deg);
}

.studio-chatpanel .studio-mind-rail__stream {
    font-size: 0.65rem;
    line-height: 1.5;
    color: color-mix(in srgb, var(--t-text-muted) 92%, #94a3b8);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 5.5rem;
    overflow: auto;
    opacity: 0.92;
    animation: studioMindFadeIn 0.25s ease both;
}

.studio-chatpanel .studio-mind-rail.is-live .studio-mind-rail__toggle {
    animation: studioMindPulse 1.8s ease-in-out infinite;
}

.studio-chatpanel .studio-mind-rail.is-live .studio-mind-rail__stream {
    mask-image: linear-gradient(to bottom, transparent 0, #000 10%, #000 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 10%, #000 90%, transparent 100%);
    scroll-behavior: smooth;
}

@keyframes studioMindPulse {
    0%, 100% { opacity: 0.72; }
    50% { opacity: 1; }
}

.studio-chatpanel .studio-mind-rail.is-collapsed:not(.is-expanded) .studio-mind-rail__stream {
    display: none;
}

.studio-chatpanel .studio-mind-rail.is-collapsed {
    margin-bottom: 0.4rem;
    opacity: 0.85;
}

.studio-chatpanel .studio-msg__body.has-answer-active .studio-answer-stream {
    color: #f8fafc;
    font-size: 0.9rem;
    line-height: 1.68;
    font-weight: 400;
    letter-spacing: 0.01em;
    margin-top: 0.15rem;
    animation: studioAnswerIn 0.35s ease both;
}

.studio-chatpanel .studio-msg__body.has-mind-active .studio-answer-stream {
    opacity: 0.35;
}

@keyframes studioMindFadeIn {
    from { opacity: 0; transform: translateY(-3px); }
    to { opacity: 0.92; transform: translateY(0); }
}

@keyframes studioAnswerIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.studio-chatpanel .studio-live-step__pulse {
    display: none;
}

.studio-chatpanel .studio-live-step__spin {
    width: 0.875rem;
    height: 0.875rem;
    border: 2px solid rgba(129, 140, 248, 0.22);
    border-top-color: #818cf8;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 0.2rem;
    animation: studioLiveSpin 0.65s linear infinite;
}

.studio-chatpanel .studio-live-step.is-done .studio-live-step__spin {
    display: none;
}

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

.studio-chatpanel .studio-live-step.is-running {
    border-color: rgba(129, 140, 248, 0.35);
    box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.12);
}

.studio-chatpanel .studio-live-step.is-dismissing {
    animation: studioLiveStepOut 0.28s ease forwards;
    pointer-events: none;
}

@keyframes studioLiveStepOut {
    to {
        opacity: 0;
        transform: translateY(-4px) scale(0.98);
        max-height: 0;
        margin: 0;
        padding-top: 0;
        padding-bottom: 0;
        border-width: 0;
    }
}

@keyframes studioLiveStepPulse {
    0%, 100% { opacity: 0.35; transform: scale(0.85); }
    50% { opacity: 1; transform: scale(1); }
}

.studio-chatpanel .chat-typing {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    min-height: 1rem;
}

.studio-chatpanel .chat-typing span {
    width: 0.32rem;
    height: 0.32rem;
    border-radius: 50%;
    background: var(--t-text-muted);
    opacity: 0.5;
    animation: chatDotBounce 1.1s ease-in-out infinite;
}

.studio-chatpanel .chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.studio-chatpanel .chat-typing span:nth-child(3) { animation-delay: 0.3s; }

.studio-chatpanel .studio-reasoning {
    margin-bottom: 0.5rem;
    padding: 0.45rem 0.6rem;
    border-radius: 0.45rem;
    background: color-mix(in srgb, var(--t-surface-2) 65%, transparent);
    border: 1px solid color-mix(in srgb, var(--t-border) 45%, transparent);
    border-left: 2px solid color-mix(in srgb, #818cf8 50%, var(--t-border));
    font-size: 0.6875rem;
    line-height: 1.48;
    color: var(--t-text-muted);
    max-height: 6rem;
    overflow: auto;
}

@keyframes studioMsgIn {
    from { opacity: 0; transform: translateY(3px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes studioTypeBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes chatDotBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.45; }
    30% { transform: translateY(-4px); opacity: 1; }
}

.studio-chatpanel .studio-msg--user .studio-msg__col {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    max-width: min(92%, 28rem);
}

.studio-chatpanel .studio-msg__actions {
    display: flex;
    gap: 0.35rem;
    margin-top: 0.35rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.studio-chatpanel .studio-msg:hover .studio-msg__actions,
.studio-chatpanel .studio-msg:focus-within .studio-msg__actions {
    opacity: 1;
    pointer-events: auto;
}

.studio-chatpanel .studio-msg__action {
    border: none;
    background: transparent;
    color: var(--t-text-muted);
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.15rem 0.35rem;
    border-radius: 0.35rem;
    cursor: pointer;
}

.studio-chatpanel .studio-msg__action:hover {
    color: var(--t-text);
    background: color-mix(in srgb, var(--t-surface-2) 70%, transparent);
}

.studio-chat-reply-bar {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0.65rem;
    border-radius: 0.65rem;
    border: 1px solid color-mix(in srgb, var(--t-border) 55%, transparent);
    background: color-mix(in srgb, var(--t-surface-2) 80%, transparent);
    font-size: 0.75rem;
    line-height: 1.45;
}

.studio-chat-reply-bar.hidden { display: none; }

.studio-chat-reply-bar__label {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--t-text-muted);
}

.studio-chat-reply-bar__text {
    flex: 1;
    min-width: 0;
    color: var(--t-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.studio-chat-reply-bar__close {
    flex-shrink: 0;
    border: none;
    background: transparent;
    color: var(--t-text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.15rem;
}

.studio-chat-header__tools {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: auto;
}

.studio-chat-tool-btn {
    border: 1px solid color-mix(in srgb, var(--t-border) 50%, transparent);
    background: transparent;
    color: var(--t-text-muted);
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.35rem 0.55rem;
    border-radius: 0.5rem;
    cursor: pointer;
    white-space: nowrap;
}

.studio-chat-tool-btn:hover {
    color: var(--t-text);
    border-color: color-mix(in srgb, var(--t-border) 80%, transparent);
}

/* Quota upsell — horizontal card rail under Melissa message */
.studio-chatpanel .studio-quota-msg {
    margin: 0 0 0.75rem;
    line-height: 1.55;
}

.studio-chatpanel .studio-quota-rail {
    display: flex;
    gap: 0.55rem;
    margin-top: 0.15rem;
    padding: 0.15rem 0 0.35rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--t-border) 70%, transparent) transparent;
}

.studio-chatpanel .studio-quota-rail::-webkit-scrollbar {
    height: 4px;
}

.studio-chatpanel .studio-quota-rail::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--t-border) 80%, transparent);
    border-radius: 999px;
}

.studio-chatpanel .studio-quota-card {
    flex: 0 0 min(78%, 15.5rem);
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.85rem 0.95rem;
    border-radius: 0.85rem;
    border: 1px solid color-mix(in srgb, var(--t-border) 65%, transparent);
    background: color-mix(in srgb, var(--t-surface-2) 88%, transparent);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.studio-chatpanel .studio-quota-card:hover {
    border-color: color-mix(in srgb, #c9a96e 55%, var(--t-border));
    background: color-mix(in srgb, #c9a96e 6%, var(--t-surface-2));
    transform: translateY(-1px);
}

.studio-chatpanel .studio-quota-card--tokens {
    border-color: color-mix(in srgb, #fbbf24 28%, var(--t-border));
}

.studio-chatpanel .studio-quota-card--plan {
    border-color: color-mix(in srgb, #818cf8 28%, var(--t-border));
}

.studio-chatpanel .studio-quota-card__glyph {
    font-size: 1.05rem;
    line-height: 1;
    opacity: 0.9;
}

.studio-chatpanel .studio-quota-card__title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--t-text);
    letter-spacing: -0.01em;
}

.studio-chatpanel .studio-quota-card__sub {
    font-size: 0.68rem;
    color: var(--t-text-muted);
    line-height: 1.35;
}

.studio-chatpanel .studio-quota-card__cta {
    margin-top: 0.35rem;
    font-size: 0.62rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: color-mix(in srgb, #c9a96e 88%, var(--t-text));
}

.studio-chatpanel .studio-quota-card--plan .studio-quota-card__cta {
    color: color-mix(in srgb, #a5b4fc 92%, var(--t-text));
}