/* Shared chat presentation. Surface layout and transport controls stay local. */
.fork-chat {
    --fork-chat-bg: var(--bg, var(--bg-secondary, #0b0b0f));
    --fork-chat-text: var(--text, var(--text-primary, #f3f3f5));
    --fork-chat-surface: var(--surface, var(--bg-tertiary, #202028));
    --fork-chat-accent: var(--accent, #007aff);
    --fork-chat-on-accent: var(--on-accent, #fff);
    --fork-chat-muted: var(--dim, var(--text-muted, #9a9aa6));
    --fork-chat-border: var(--border, rgba(255, 255, 255, .09));
}

.fork-chat-row {
    display: flex;
    width: 100%;
    max-width: 100%;
}
.fork-chat-row--start { justify-content: flex-start; }
.fork-chat-row--end { justify-content: flex-end; }
.fork-chat-row--full { display: block; }

.fork-chat-message {
    position: relative;
    max-width: min(85%, 560px);
    padding: 9px 13px;
    border-radius: 18px;
    color: var(--fork-chat-text);
    font-size: 15px;
    line-height: 1.45;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
.fork-chat-message--mine {
    background: var(--fork-chat-accent);
    color: var(--fork-chat-on-accent);
    border-bottom-right-radius: 5px;
}
.fork-chat-message--theirs {
    background: var(--fork-chat-surface);
    border-bottom-left-radius: 5px;
}
.fork-chat-message--assistant {
    width: 100%;
    max-width: 100%;
    padding: 4px 4px 8px;
    background: none;
    border-radius: 0;
    font-size: 15px;
    line-height: 1.5;
    white-space: normal;
}
.fork-chat-message--photos-only { padding: 0; background: transparent; }
.fork-chat-message__text { white-space: pre-wrap; }
.fork-chat-message__time {
    display: block;
    margin-top: 4px;
    color: currentColor;
    font-size: 10px;
    line-height: 1;
    opacity: .62;
    text-align: right;
}

.fork-chat-message__content:empty { display: none; }
.fork-chat-message__content p { margin: 0 0 8px; }
.fork-chat-message__content p:last-child { margin-bottom: 0; }
.fork-chat-message__content code {
    padding: 1px 5px;
    border-radius: 4px;
    background: rgba(127, 127, 127, .18);
    font-family: "SF Mono", Monaco, "Cascadia Code", monospace;
    font-size: .9em;
}
.fork-chat-message__content pre {
    margin: 8px 0;
    padding: 10px 12px;
    overflow-x: auto;
    border-radius: 8px;
    background: rgba(0, 0, 0, .32);
}
[data-theme="light"] .fork-chat-message__content pre { background: rgba(0, 0, 0, .06); }
.fork-chat-message__content pre code { padding: 0; background: none; font-size: 12px; line-height: 1.5; }
.fork-chat-message__content ul,
.fork-chat-message__content ol { margin: 6px 0; padding-left: 20px; }
.fork-chat-message__content li { margin: 2px 0; }
.fork-chat-message__content h1,
.fork-chat-message__content h2,
.fork-chat-message__content h3,
.fork-chat-message__content h4 { margin: 10px 0 6px; line-height: 1.3; }
.fork-chat-message__content h1 { font-size: 1.3em; }
.fork-chat-message__content h2 { font-size: 1.15em; }
.fork-chat-message__content h3 { font-size: 1.05em; }
.fork-chat-message__content blockquote { margin: 6px 0; padding-left: 10px; border-left: 3px solid var(--fork-chat-accent); color: var(--fork-chat-muted); }
.fork-chat-message__content a { color: var(--fork-chat-accent); text-decoration: none; }
.fork-chat-message__content a:hover { text-decoration: underline; }
.fork-chat-message__content hr { margin: 10px 0; border: 0; border-top: 1px solid var(--fork-chat-border); }
.fork-chat-message__content table { width: 100%; margin: 8px 0; border-collapse: collapse; table-layout: fixed; }
.fork-chat-message__content th,
.fork-chat-message__content td { width: 1%; padding: 4px 8px; border: 1px solid var(--fork-chat-border); overflow-wrap: anywhere; vertical-align: top; }

.fork-chat-photos { display: flex; flex-wrap: wrap; gap: 4px; }
.fork-chat-photos:not(:last-child) { margin-bottom: 6px; }
.fork-chat-photo {
    width: 160px;
    max-width: 70vw;
    max-height: 300px;
    object-fit: cover;
    display: block;
    border-radius: 14px;
    background: var(--fork-chat-surface);
    cursor: pointer;
}

.fork-chat-attachments { display: flex; flex-direction: column; gap: 6px; margin: 2px 0 7px; }
.fork-chat-attachment {
    min-width: min(210px, 100%);
    max-width: 100%;
    padding: 9px 11px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--fork-chat-border);
    border-radius: 12px;
    background: rgba(127, 127, 140, .14);
    color: inherit;
    font: inherit;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}
.fork-chat-message--mine .fork-chat-attachment { border-color: rgba(255, 255, 255, .2); background: rgba(0, 0, 0, .12); }
.fork-chat-attachment__icon { flex: 0 0 auto; display: flex; }
.fork-chat-attachment__copy { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.fork-chat-attachment__title { overflow: hidden; font-size: 13px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.fork-chat-attachment__subtitle { font-size: 11px; opacity: .72; }
.fork-chat-attachment--app-errors { cursor: default; }
.fork-chat-attachment--app-errors .fork-chat-attachment__icon { color: #ff5a5f; }

.fork-chat-voice { display: flex; flex-direction: column; gap: 6px; }
.fork-chat-voice__player { min-width: 168px; max-width: 260px; display: flex; align-items: center; gap: 10px; }
.fork-chat-voice__button {
    width: 34px; height: 34px; padding: 0; flex: 0 0 auto;
    display: flex; align-items: center; justify-content: center;
    border: 0; border-radius: 50%; background: rgba(255, 255, 255, .2); color: inherit; cursor: pointer;
}
.fork-chat-message--theirs .fork-chat-voice__button { background: rgba(127, 127, 140, .22); }
.fork-chat-voice__track { height: 4px; flex: 1 1 auto; position: relative; border-radius: 999px; background: rgba(255, 255, 255, .3); cursor: pointer; }
.fork-chat-message--theirs .fork-chat-voice__track { background: rgba(127, 127, 140, .3); }
.fork-chat-voice__fill { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: inherit; background: currentColor; }
.fork-chat-voice__bars { height: 26px; min-width: 0; flex: 1 1 auto; display: flex; align-items: center; gap: 2px; cursor: pointer; }
.fork-chat-voice__bar { min-width: 2px; flex: 1 1 0; border-radius: 2px; background: currentColor; opacity: .38; transition: opacity .1s linear; }
.fork-chat-voice__bar.is-played { opacity: .95; }
.fork-chat-voice__time { flex: 0 0 auto; font-size: 12px; font-variant-numeric: tabular-nums; opacity: .8; }
.fork-chat-voice__transcript { font-size: 13px; line-height: 1.35; opacity: .85; white-space: pre-wrap; overflow-wrap: anywhere; }
.fork-chat-voice__transcript:empty { display: none; }
.fork-chat-voice__transcript.transcribing::after {
    content: "";
    width: 4px; height: 4px; margin-left: 4px; display: inline-block;
    border-radius: 50%; background: currentColor; animation: forkChatPulse 1s ease-in-out infinite;
}

.fork-chat-reasoning {
    width: 100%;
    padding: 3px 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--fork-chat-muted);
    font-size: 14px;
    line-height: 1.35;
}
.fork-chat-reasoning-icon { width: 14px; height: 14px; flex: 0 0 auto; display: inline-flex; }
.fork-chat-reasoning-icon svg { width: 14px; height: 14px; }
.fork-chat-reasoning-spinner {
    width: 13px; height: 13px; display: inline-block; border-radius: 50%;
    border: 2px solid color-mix(in srgb, var(--fork-chat-muted) 28%, transparent);
    border-top-color: var(--fork-chat-muted);
    animation: forkChatSpin .72s linear infinite;
}
.fork-chat-reasoning-sources { display: inline-flex; gap: 3px; margin-left: 2px; }
.fork-chat-reasoning-sources img { width: 15px; height: 15px; border-radius: 4px; }

.fork-chat-generated-media { margin: 8px 0 4px; }
.fork-chat-generated-media__frame { position: relative; max-width: 100%; overflow: hidden; border-radius: 12px; background: #0a0a12; }
.fork-chat-generated-media__frame img,
.fork-chat-generated-media__frame video { width: 100%; height: 100%; display: block; object-fit: cover; opacity: 0; transition: opacity .4s; }
.fork-chat-generated-media__frame img { cursor: pointer; }
.fork-chat-generated-media__frame.is-loaded img,
.fork-chat-generated-media__frame.is-loaded video { opacity: 1; }
.fork-chat-generated-media__loader { position: absolute; inset: 0; z-index: 1; transition: opacity .4s; }
.video-dream-loader { position: relative; width: 100%; height: 100%; overflow: hidden; filter: blur(40px); background: #0a0a12; }
.video-dream-blob { position: absolute; border-radius: 50%; mix-blend-mode: screen; }
.video-dream-blob-1 { width: 70%; height: 70%; top: -10%; left: -10%; background: radial-gradient(circle, rgba(90, 50, 200, .8) 0%, transparent 70%); animation: forkChatDream1 8s ease-in-out infinite; }
.video-dream-blob-2 { width: 60%; height: 60%; right: -10%; bottom: -10%; background: radial-gradient(circle, rgba(20, 140, 190, .7) 0%, transparent 70%); animation: forkChatDream2 10s ease-in-out infinite; }
.video-dream-blob-3 { width: 50%; height: 50%; top: 30%; left: 30%; background: radial-gradient(circle, rgba(200, 60, 120, .7) 0%, transparent 70%); animation: forkChatDream3 12s ease-in-out infinite; }
.fork-chat-generated-media__play {
    width: 54px; height: 54px; padding: 0; position: absolute; z-index: 2; top: 50%; left: 50%;
    display: flex; align-items: center; justify-content: center;
    transform: translate(-50%, -50%); border: 0; border-radius: 50%;
    background: rgba(0, 0, 0, .55); color: #fff; cursor: pointer; backdrop-filter: blur(4px);
}
.fork-chat-generated-media__frame.is-playing .fork-chat-generated-media__play { opacity: 0; pointer-events: none; }
.fork-chat-generated-media__failed { display: inline-flex; padding: 10px 14px; border: 1px solid rgba(220, 38, 38, .25); border-radius: 12px; background: rgba(220, 38, 38, .12); color: var(--fork-chat-muted); font-size: 13px; }

.fork-chat-state {
    width: min(480px, 100%);
    margin: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--fork-chat-muted);
    text-align: center;
}
.fork-chat-state__spinner {
    width: 28px; height: 28px; border: 3px solid color-mix(in srgb, var(--fork-chat-accent) 18%, transparent);
    border-top-color: var(--fork-chat-accent); border-radius: 50%; animation: forkChatSpin .72s linear infinite;
}
.fork-chat-state__retry { margin-top: 12px; padding: 8px 14px; border: 1px solid var(--fork-chat-border); border-radius: 999px; background: var(--fork-chat-surface); color: var(--fork-chat-text); cursor: pointer; }
.fork-chat-state__icon { margin-bottom: 10px; color: var(--fork-chat-accent); }
.fork-chat-state__title { color: var(--fork-chat-text); font-size: 15px; font-weight: 600; line-height: 1.3; }
.fork-chat-state__subtitle { margin-top: 5px; font-size: 13px; line-height: 1.4; }

@keyframes forkChatSpin { to { transform: rotate(360deg); } }
@keyframes forkChatPulse { 0%, 100% { opacity: 1; } 50% { opacity: .2; } }
@keyframes forkChatDream1 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(40%, 20%) scale(1.2); } 66% { transform: translate(10%, 50%) scale(.9); } }
@keyframes forkChatDream2 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(-30%, -20%) scale(1.1); } 66% { transform: translate(-50%, 10%) scale(1.3); } }
@keyframes forkChatDream3 { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(20%, -40%) scale(1.2); } 66% { transform: translate(-30%, 20%) scale(.8); } }
@media (prefers-reduced-motion: reduce) {
    .fork-chat-state__spinner,
    .fork-chat-reasoning-spinner { animation-duration: 1.5s; }
}