@import url('theme.css');

/* ── Reset ── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ── Focus & Accessibility ── */
:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
select:focus-visible,
[role="button"]:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    border-radius: 4px;
}

.settings-row input:focus-visible,
#topic-input:focus-visible {
    outline: none;
    border-color: var(--accent-blue);
}

.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;
}

/* ── Body & Container ── */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    background: var(--bg-page);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    padding: 8px 12px;
}

/* ── Header ── */
header {
    text-align: center;
    padding: 3px 0;
    flex-shrink: 0;
    position: relative;
}

header h1 {
    font-size: 22px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.subtitle {
    color: var(--text-dim);
    font-size: 12px;
    margin-top: 1px;
}

.help-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--border-default);
    color: var(--text-dim);
    font-size: 10px;
    font-weight: 700;
    text-decoration: none;
    margin-left: 4px;
    vertical-align: middle;
    transition: background 0.2s, color 0.2s;
}

.help-link:hover {
    background: var(--accent-blue);
    color: #fff;
}

/* ── Header Controls (theme, font) ── */
.header-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}

.theme-toggle {
    font-size: 14px;
    padding: 1px 6px;
    min-width: 28px;
}

.font-controls {
    display: flex;
    gap: 2px;
    align-items: center;
}

.font-controls .icon-btn {
    font-weight: 700;
    font-size: 11px;
    min-width: 28px;
    padding: 1px 4px;
}

/* ── Settings Panel ── */
.settings-panel {
    flex-shrink: 0;
    position: relative;
    z-index: 20;
}

.settings-toggle {
    width: 100%;
    padding: 4px 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 6px;
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
    text-align: left;
    transition: border-color 0.2s, color 0.2s;
}

.settings-toggle:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.settings-body {
    max-height: 0;
    overflow: hidden;
    overflow-y: auto;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-top: none;
    border-radius: 0 0 8px 8px;
    padding: 0 8px;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 20;
}

.settings-body.open {
    max-height: 50vh;
    padding: 8px;
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.settings-row label {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    min-width: 100px;
}

.settings-row input,
.settings-row select {
    flex: 1;
    padding: 4px 6px;
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 12px;
    outline: none;
}

.settings-row input {
    font-family: monospace;
}

.settings-row input:focus {
    border-color: var(--accent-blue);
}

.settings-actions {
    display: flex;
    gap: 4px;
    margin-top: 4px;
}

.settings-btn {
    padding: 3px 8px;
    font-size: 11px;
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    background: var(--bg-raised);
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.settings-btn:hover {
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

.settings-btn-danger:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.settings-notice {
    font-size: 11px;
    margin-top: 4px;
    min-height: 1em;
}

.settings-notice.warn {
    color: var(--accent-orange);
}

.settings-notice.ok {
    color: var(--accent-green);
}

/* ── Usage Bar ── */
.usage-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 2px 8px;
    margin-top: 4px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 5px;
    font-size: 11px;
    color: var(--text-dim);
    flex-shrink: 0;
}

#usage-cost {
    color: var(--accent-sky);
    font-weight: 600;
}

/* ── Search Disabled Banner ── */
.search-disabled-banner {
    background: var(--bg-warn);
    border: 1px solid var(--border-warn);
    color: var(--accent-orange);
    padding: 3px 8px;
    border-radius: 5px;
    font-size: 11px;
    text-align: center;
    flex-shrink: 0;
}

/* ── Agents Bar — horizontal scroll, never wraps ── */
.agents-bar {
    display: flex;
    gap: 5px;
    padding: 5px 0;
    overflow-x: auto;
    flex-shrink: 0;
    scrollbar-width: thin;
}

.agents-bar::-webkit-scrollbar { height: 3px; }
.agents-bar::-webkit-scrollbar-track { background: transparent; }
.agents-bar::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }

.agent-chip {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--border-muted);
    background: var(--bg-raised);
    white-space: nowrap;
    flex-shrink: 0;
    transition: opacity 0.2s, border-color 0.2s;
    cursor: pointer;
    user-select: none;
    opacity: 0.4;
}

.agent-chip.selected { opacity: 1; }
.agent-chip.selected::after { content: " \2713"; font-size: 9px; opacity: 0.7; }
.agent-chip:not(.selected)::after { content: " +"; font-size: 10px; opacity: 0.5; }
.agent-chip:hover { opacity: 0.8; }
.agent-chip.speaking { animation: pulse 1.5s ease-in-out infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.agent-avatar { font-size: 13px; }

/* ── Main Area ── */
.main-area {
    flex: 1;
    display: flex;
    gap: 8px;
    min-height: 0;
}

/* ── Chat Area ── */
.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 6px 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.welcome-message {
    text-align: center;
    color: var(--text-faint);
    margin: auto;
    font-size: var(--font-size-chat);
}

.welcome-sub {
    font-size: 12px;
    color: var(--text-very-faint);
    margin-top: 3px;
}

.round-divider {
    text-align: center;
    color: var(--text-very-faint);
    font-size: 11px;
    padding: 4px 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ── Messages — these use --font-size-chat so A+/A- works ── */
.message {
    display: flex;
    gap: 8px;
    padding: 8px;
    border-radius: 10px;
    background: var(--bg-raised);
    border-left: 3px solid var(--agent-color);
}

.message.user-message {
    background: var(--bg-user-msg);
    border-left-color: var(--accent-sky);
}

.message-avatar { font-size: 18px; flex-shrink: 0; width: 24px; text-align: center; }
.message-body { flex: 1; min-width: 0; }
.message-name { font-weight: 600; font-size: 12px; margin-bottom: 2px; color: var(--agent-color); }

.message-time {
    font-size: 11px;
    color: var(--text-faint);
    font-weight: 400;
}

.message-content {
    font-size: var(--font-size-chat);
    line-height: 1.55;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ── Images & Links in Messages ── */
.msg-image {
    display: block;
    max-width: 100%;
    max-height: 350px;
    border-radius: 8px;
    margin: 6px 0;
    border: 1px solid var(--border-muted);
    object-fit: contain;
}

.msg-link {
    color: var(--accent-sky);
    text-decoration: none;
    word-break: break-all;
}

.msg-link:hover { text-decoration: underline; }

/* ── Incomplete Response Marker ── */
.incomplete-marker {
    color: var(--accent-orange);
    font-style: italic;
    font-size: 12px;
    opacity: 0.85;
}

/* ── Cursor ── */
.cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--agent-color);
    animation: blink 0.8s infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

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

/* ── Queue Panel ── */
.queue-panel {
    width: 200px;
    flex-shrink: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    padding: 6px;
    gap: 4px;
    opacity: 0.6;
    transition: opacity 0.3s;
    position: relative;
    z-index: 2;
    pointer-events: auto;
}

.queue-panel.active {
    opacity: 1;
}

.queue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.queue-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.queue-round {
    font-size: 10px;
    color: var(--accent-sky);
    background: var(--bg-user-msg);
    padding: 1px 6px;
    border-radius: 999px;
}

.queue-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-height: 40px;
    max-height: 300px;
}

.queue-item {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 3px 4px;
    background: var(--bg-raised);
    border-radius: 5px;
    border-left: 2px solid var(--q-color);
    font-size: 11px;
    cursor: grab;
    transition: background 0.15s;
}

.queue-item:hover { background: var(--bg-hover); }
.queue-item.dragging { opacity: 0.4; }
.queue-item.drag-over { background: var(--bg-drag-over); box-shadow: 0 0 0 1px var(--accent-blue); }

.queue-item-user {
    background: var(--bg-user-msg);
    border-left-color: var(--accent-sky);
}

.q-handle {
    color: var(--text-very-faint);
    font-size: 11px;
    cursor: grab;
}

.q-avatar { font-size: 12px; }
.q-name { flex: 1; color: var(--text-secondary); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.q-name-prompt { font-style: italic; color: var(--accent-sky); }

.q-edit {
    background: none;
    border: none;
    color: var(--text-very-faint);
    font-size: 11px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}

.q-edit:hover { color: var(--accent-blue); }

.q-arrows {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.q-arrow {
    background: none;
    border: none;
    color: var(--text-very-faint);
    font-size: 11px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.q-arrow:hover { color: var(--accent-blue); }

.q-remove {
    background: none;
    border: none;
    color: var(--text-very-faint);
    font-size: 13px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}

.q-remove:hover { color: var(--accent-red); }

.queue-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 3px;
}

.q-btn {
    padding: 4px 2px;
    font-size: 10px;
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    background: var(--bg-raised);
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
    text-align: center;
}

.q-btn:hover:not(:disabled) { border-color: var(--accent-blue); color: var(--text-primary); }
.q-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.q-play { color: var(--accent-green); border-color: var(--accent-green); }
.q-play:hover:not(:disabled) { background: var(--green-hover-bg); border-color: var(--accent-green); color: var(--accent-green-bright); }

.q-next { color: var(--accent-blue); border-color: var(--accent-blue); }
.q-next:hover:not(:disabled) { background: var(--blue-hover-bg); }

.q-end { color: var(--accent-red); border-color: #444; }
.q-end:hover:not(:disabled) { border-color: var(--accent-red); background: var(--red-hover-bg); }

.queue-add {
    display: flex;
    gap: 3px;
}

.queue-add select {
    flex: 1;
    background: var(--bg-raised);
    color: var(--text-muted);
    border: 1px solid var(--border-muted);
    border-radius: 4px;
    padding: 2px;
    font-size: 10px;
}

.q-btn-sm {
    padding: 2px 6px;
    font-size: 10px;
    border: 1px solid var(--border-muted);
    border-radius: 4px;
    background: var(--bg-raised);
    color: var(--text-muted);
    cursor: pointer;
}

.q-btn-sm:hover:not(:disabled) { border-color: var(--accent-blue); color: var(--text-primary); }
.q-btn-sm:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Input Area ── */
.input-area {
    flex-shrink: 0;
    padding: 4px 0;
    border-top: 1px solid var(--border-default);
}

.controls {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 4px;
    font-size: 12px;
    color: var(--text-dim);
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: thin;
}

.controls::-webkit-scrollbar { height: 3px; }
.controls::-webkit-scrollbar-track { background: transparent; }
.controls::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 2px; }

.file-upload-btn {
    padding: 2px 6px;
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    cursor: pointer;
    font-size: 11px;
    color: var(--text-muted);
    transition: border-color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.file-upload-btn:hover { border-color: var(--accent-blue); color: var(--text-primary); }

.file-status { font-size: 11px; color: var(--accent-sky); }

.icon-btn {
    padding: 2px 6px;
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    cursor: pointer;
    font-size: 11px;
    color: var(--text-muted);
    transition: border-color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.icon-btn:hover:not(:disabled) { border-color: var(--accent-blue); color: var(--text-primary); }
.icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.input-row {
    display: flex;
    gap: 6px;
    align-items: flex-end;
}

#topic-input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid var(--border-muted);
    border-radius: 8px;
    background: var(--bg-raised);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
    resize: none;
    min-height: 38px;
    max-height: 150px;
    overflow-y: auto;
    line-height: 1.4;
}

#topic-input:focus { border-color: var(--accent-blue); }

#submit-btn {
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
    min-width: 72px;
}

#submit-btn:hover { opacity: 0.9; }
#submit-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Error ── */
.error-message {
    background: var(--bg-error);
    border: 1px solid var(--border-error);
    color: var(--error-text);
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
}

#error-region:empty { display: none; }

/* ── Resume Banner ── */
.resume-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-user-msg);
    border: 1px solid var(--accent-blue);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.resume-banner span { text-align: center; }

.resume-banner button {
    padding: 4px 10px;
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    background: var(--bg-raised);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.resume-banner .resume-btn {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.resume-banner .resume-btn:hover {
    background: var(--blue-hover-bg);
}

.resume-banner .newchat-btn:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* ── Specific Button Styles ── */
#btn-new-chat {
    color: var(--accent-green);
    border-color: var(--accent-green);
}

#btn-new-chat:hover {
    background: var(--green-hover-bg);
    color: var(--accent-green-bright);
}

#btn-shuffle {
    color: var(--accent-yellow);
    border-color: var(--accent-yellow);
}

#btn-shuffle:hover {
    background: var(--orange-hover-bg);
    color: var(--accent-yellow-bright);
}

#btn-history {
    color: var(--accent-sky);
    border-color: var(--accent-blue);
}

#btn-history:hover {
    background: var(--blue-hover-bg);
    color: #fff;
}

/* ── Session History Panel ── */
.history-panel {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    margin-bottom: 4px;
}

.history-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-count {
    font-size: 11px;
    color: var(--text-faint);
    font-weight: 400;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
    max-height: 200px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    background: var(--bg-raised);
    border-radius: 5px;
    border-left: 2px solid var(--accent-blue);
    cursor: pointer;
    transition: background 0.15s;
    font-size: 12px;
}

.history-item:hover {
    background: var(--bg-hover);
}

.history-item-body {
    flex: 1;
    min-width: 0;
}

.history-item-topic {
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-meta {
    font-size: 11px;
    color: var(--text-faint);
    margin-top: 1px;
}

.history-item-delete {
    background: none;
    border: none;
    color: var(--text-very-faint);
    font-size: 13px;
    cursor: pointer;
    padding: 2px 4px;
    line-height: 1;
    flex-shrink: 0;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.history-item-delete:hover {
    color: var(--accent-red);
    background: var(--red-hover-bg);
}

.history-limit-msg {
    font-size: 11px;
    color: var(--accent-orange);
    background: var(--bg-warn);
    border: 1px solid var(--border-warn);
    padding: 4px 6px;
    border-radius: 5px;
    text-align: center;
}

/* ── Scrollbar ── */
.chat-area::-webkit-scrollbar, .queue-list::-webkit-scrollbar { width: 5px; }
.chat-area::-webkit-scrollbar-track, .queue-list::-webkit-scrollbar-track { background: transparent; }
.chat-area::-webkit-scrollbar-thumb, .queue-list::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

/* ── Queue Toggle (mobile only) ── */
.queue-toggle {
    display: none;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
    .agent-chip.speaking { animation: none; }
    .cursor { animation: none; opacity: 1; }
    .settings-body,
    .queue-panel { transition: none; }
}

/* ── Tablet Breakpoint ── */
@media (max-width: 960px) and (min-width: 701px) {
    .queue-panel { width: 170px; }
    .container { padding: 6px 8px; }
}

/* ── Mobile ── */
@media (max-width: 700px) {
    .container {
        padding: 2px 4px;
    }

    header { padding: 2px 0; }
    header h1 { font-size: 17px; line-height: 1.2; }
    .subtitle { font-size: 10px; margin-top: 0; }
    .header-controls { margin-top: 1px; gap: 2px; }

    .settings-panel { margin-top: 2px; }
    .settings-toggle { padding: 3px 6px; font-size: 11px; }
    .settings-row {
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
    }
    .settings-row label { min-width: unset; font-size: 10px; }
    .settings-row input,
    .settings-row select { font-size: 16px; min-height: 36px; }

    .usage-bar { padding: 1px 6px; margin-top: 2px; font-size: 10px; }

    .agents-bar {
        padding: 3px 0;
        gap: 3px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .agents-bar::-webkit-scrollbar { display: none; }

    .agent-chip {
        padding: 3px 6px;
        font-size: 10px;
        min-height: 28px;
    }
    .agent-avatar { font-size: 12px; }

    .main-area {
        flex-direction: column;
        gap: 0;
    }

    .chat-area {
        flex: 1;
        padding: 2px 0;
        min-height: 0;
        gap: 4px;
    }

    .message {
        padding: 5px 6px;
        gap: 5px;
        border-radius: 8px;
    }
    .message-avatar { font-size: 15px; width: 20px; }
    .message-name { font-size: 11px; }

    .queue-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
        width: 100%;
        padding: 5px;
        background: var(--bg-surface);
        border: 1px solid var(--border-default);
        border-radius: 6px;
        color: var(--text-muted);
        font-size: 11px;
        font-weight: 600;
        cursor: pointer;
        min-height: 32px;
        flex-shrink: 0;
        order: -1;
    }
    .queue-toggle:hover { border-color: var(--accent-blue); color: var(--text-primary); }

    .queue-panel {
        width: 100%;
        position: static;
        max-height: 0;
        overflow: hidden;
        border-radius: 0 0 8px 8px;
        padding: 0 4px;
        opacity: 1;
        pointer-events: none;
        transition: max-height 0.3s ease, padding 0.3s ease;
        flex-shrink: 0;
        order: -1;
    }

    .queue-panel.active {
        pointer-events: auto;
    }

    .queue-panel.mobile-open {
        max-height: 240px;
        padding: 4px;
        pointer-events: auto;
        margin-bottom: 2px;
    }

    .queue-list { max-height: 70px; }

    .queue-actions {
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
    }

    .q-btn {
        min-height: 30px;
        font-size: 10px;
    }

    .input-area {
        padding: 3px 0;
    }

    .controls {
        gap: 3px;
        margin-bottom: 2px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .controls::-webkit-scrollbar { display: none; }

    .file-upload-btn, .icon-btn {
        min-height: 30px;
        display: flex;
        align-items: center;
        padding: 2px 5px;
        font-size: 10px;
    }

    .file-status { font-size: 10px; }

    .input-row {
        gap: 4px;
    }

    #topic-input {
        font-size: 16px;
        padding: 6px 8px;
        min-height: 36px;
        max-height: 100px;
    }

    #submit-btn {
        min-height: 36px;
        min-width: 56px;
        padding: 6px 10px;
        font-size: 13px;
    }

    .round-divider { font-size: 10px; padding: 2px 0; }
    .welcome-message { font-size: 13px; }
    .welcome-sub { font-size: 11px; }

    .sentiment-panel-overlay { align-items: flex-start; }
    .sentiment-panel { width: 100vw; max-height: 100vh; padding: 10px; border-radius: 0; }
    .sentiment-panel-header { margin-bottom: 6px; flex-wrap: wrap; gap: 4px; }
    .sentiment-panel-title { font-size: 14px; }
    .sentiment-header-controls { gap: 4px; }
    .sentiment-session-select { font-size: 11px; padding: 3px 6px; max-width: 200px; min-width: 100px; }
    .sentiment-viewpoint-config { padding: 6px 8px; margin-bottom: 8px; }
    .sentiment-config-label { font-size: 11px; margin-bottom: 4px; }
    .viewpoint-inputs { flex-direction: column; gap: 4px; }
    .viewpoint-inputs input { font-size: 14px; padding: 5px 8px; }
    .viewpoint-vs { display: none; }
    .viewpoint-hint { font-size: 9px; }
    .sentiment-metrics { flex-direction: column; gap: 8px; padding: 8px 10px; margin-bottom: 8px; }
    .sentiment-metric { gap: 6px; flex: none; width: 100%; }
    .sentiment-metric-label { font-size: 11px; min-width: 80px; }
    .sentiment-metric-value { font-size: 12px; min-width: 44px; }
    .sentiment-metric-bar-wrap { min-width: 60px; }
    .sentiment-metric-arrow { font-size: 16px; }
    .sentiment-strip-header { gap: 4px; flex-direction: column; align-items: stretch; margin-bottom: 6px; }
    .sentiment-strip-header .sentiment-round-select { font-size: 11px; padding: 3px 6px; align-self: flex-start; }
    .sentiment-viewpoint-labels { font-size: 11px; padding: 0 2px; margin-bottom: 4px; }
    .sentiment-vp-left,
    .sentiment-vp-right { max-width: 45%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .sentiment-vp-center { font-size: 9px; }
    .sentiment-strip-inline { gap: 3px; margin-bottom: 8px; padding: 4px 0; }
    .sentiment-row { gap: 4px; height: 20px; }
    .sentiment-row-label { width: 90px; font-size: 10px; }
    .sentiment-row-track { height: 6px; }
    .sentiment-row-dot { width: 8px; height: 8px; }
    .sentiment-row-value { width: 30px; font-size: 10px; }
    .sentiment-chart-title { font-size: 11px; margin-bottom: 4px; }
    .sentiment-chart-section { overflow: auto; -webkit-overflow-scrolling: touch; max-height: 70vh; }
    #sentiment-canvas { width: 700px; min-width: 700px; height: 600px; }
    .sentiment-legend { gap: 3px 8px; padding: 4px 0; }
    .sentiment-legend-item { font-size: 10px; gap: 2px; }
    .sentiment-legend-emoji { font-size: 12px; }
    .sentiment-legend-line { width: 12px; height: 2px; }
    .sentiment-commentary { margin-top: 8px; padding: 8px 10px; }
    .sentiment-commentary-title { font-size: 11px; }
    .sentiment-commentary-body { max-height: 200px; font-size: 12px; }
    .sentiment-empty-state { padding: 20px 10px; font-size: 12px; }
}

/* ── Sentiment Button (header) ── */
.sentiment-btn {
    position: relative;
    font-size: 11px;
    padding: 2px 8px;
}

.sentiment-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--accent-red);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    border-radius: 50%;
    min-width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* ── Sentiment Analysis Panel (full-page overlay) ── */
.sentiment-panel-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 200;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sentiment-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: 20px 24px;
    width: 95vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.sentiment-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.sentiment-panel-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.sentiment-header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sentiment-session-select {
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 12px;
    padding: 4px 8px;
    max-width: 300px;
    min-width: 140px;
    cursor: pointer;
}

.sentiment-session-select:focus {
    border-color: var(--accent-blue);
    outline: none;
}

.sentiment-panel-close {
    background: none;
    border: none;
    color: var(--text-faint);
    font-size: 22px;
    cursor: pointer;
    padding: 0 6px;
}

.sentiment-panel-close:hover {
    color: var(--accent-red);
}

/* ── Viewpoint Config (inside panel) ── */
.sentiment-viewpoint-config {
    margin-bottom: 14px;
    padding: 10px 14px;
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
    border-radius: 8px;
}

.sentiment-config-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.viewpoint-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewpoint-inputs input {
    flex: 1;
    padding: 6px 10px;
    background: var(--bg-page);
    border: 1px solid var(--border-muted);
    border-radius: 5px;
    color: var(--text-primary);
    font-size: 13px;
}

.viewpoint-inputs input::placeholder {
    color: var(--text-faint);
    font-size: 12px;
}

.viewpoint-vs {
    color: var(--text-faint);
    font-size: 12px;
    font-style: italic;
    flex-shrink: 0;
}

.viewpoint-hint {
    font-size: 10px;
    color: var(--text-faint);
    display: block;
    margin-top: 4px;
}

/* ── Consensus Metrics ── */
.sentiment-metrics {
    display: flex;
    gap: 24px;
    padding: 10px 12px;
    margin-bottom: 12px;
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
    border-radius: 8px;
    align-items: center;
}

.sentiment-metric {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.sentiment-metric-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.sentiment-metric-bar-wrap {
    flex: 1;
    height: 8px;
    background: var(--bg-page);
    border-radius: 4px;
    border: 1px solid var(--border-muted);
    overflow: hidden;
    min-width: 60px;
}

.sentiment-metric-bar {
    height: 100%;
    border-radius: 3px;
    transition: width 0.6s ease;
}

.sentiment-metric-value {
    font-size: 13px;
    font-weight: 700;
    min-width: 40px;
    text-align: right;
    color: var(--text-primary);
    flex-shrink: 0;
}

.sentiment-metric-value.momentum-up { color: var(--accent-green); }
.sentiment-metric-value.momentum-down { color: var(--accent-red); }
.sentiment-metric-value.momentum-flat { color: var(--text-faint); }

.sentiment-metric-arrow-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sentiment-metric-arrow {
    font-size: 18px;
    line-height: 1;
}

.sentiment-metric-arrow.momentum-up { color: var(--accent-green); }
.sentiment-metric-arrow.momentum-down { color: var(--accent-red); }
.sentiment-metric-arrow.momentum-flat { color: var(--text-faint); }

/* ── Strip Header (viewpoint labels + round selector) ── */
.sentiment-strip-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.sentiment-strip-header .sentiment-viewpoint-labels {
    flex: 1;
    margin-bottom: 0;
}

.sentiment-strip-header .sentiment-round-select {
    flex-shrink: 0;
}

/* ── Viewpoint Labels ── */
.sentiment-viewpoint-labels {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    margin-bottom: 6px;
    padding: 0 6px;
}

.sentiment-vp-left { color: var(--accent-red); font-weight: 600; }
.sentiment-vp-center { color: var(--text-very-faint); font-size: 11px; }
.sentiment-vp-right { color: var(--accent-green); font-weight: 600; }

/* ── Agent Spectrum Rows (inside panel) ── */
.sentiment-strip-inline {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
    padding: 8px 0;
}

.sentiment-row {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 24px;
}

.sentiment-row-label {
    flex-shrink: 0;
    width: 130px;
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sentiment-row-track {
    flex: 1;
    position: relative;
    height: 8px;
    background: linear-gradient(90deg,
        rgba(231, 76, 60, 0.12),
        rgba(128, 128, 128, 0.06) 50%,
        rgba(39, 174, 96, 0.12)
    );
    border-radius: 4px;
    border: 1px solid var(--border-muted);
}

.sentiment-row-center {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--text-very-faint);
    opacity: 0.5;
}

.sentiment-row-fill {
    position: absolute;
    top: 1px;
    bottom: 1px;
    border-radius: 3px;
    opacity: 0.35;
    transition: left 0.5s ease, width 0.5s ease;
}

.sentiment-row-fill-outlier {
    opacity: 0.55;
}

.sentiment-row-dot {
    position: absolute;
    top: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid;
    transition: left 0.5s ease;
    z-index: 1;
}

.sentiment-dot-outlier {
    animation: sentiment-pulse 1.5s ease-in-out infinite;
}

@keyframes sentiment-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 157, 0); }
    50% { box-shadow: 0 0 6px 2px rgba(255, 107, 157, 0.5); }
}

.sentiment-row-value {
    flex-shrink: 0;
    width: 36px;
    font-size: 11px;
    font-weight: 600;
    text-align: right;
}

/* ── Chart Section ── */
.sentiment-chart-section {
    margin-bottom: 12px;
}

.sentiment-chart-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    display: block;
    margin-bottom: 6px;
}

#sentiment-canvas {
    width: 100%;
    height: 500px;
    display: block;
}

.sentiment-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 8px 0;
    justify-content: center;
}

.sentiment-legend-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: opacity 0.2s, background 0.2s;
    user-select: none;
}

.sentiment-legend-item:hover {
    background: var(--bg-raised);
}

.sentiment-legend-dimmed {
    opacity: 0.3;
}

.sentiment-legend-active {
    opacity: 1;
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
}

.sentiment-legend-reset {
    font-weight: 600;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
    padding: 2px 10px;
    font-size: 11px;
}

.sentiment-legend-reset:hover {
    background: var(--accent-blue);
    color: #fff;
}

.sentiment-legend-emoji {
    font-size: 16px;
    line-height: 1;
}

.sentiment-legend-line {
    display: inline-block;
    width: 18px;
    height: 3px;
    border-radius: 2px;
    vertical-align: middle;
}

/* ── Chart Tooltip ── */
.chart-tooltip {
    position: absolute;
    z-index: 210;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 12px;
    color: var(--text-primary);
    max-width: 280px;
    line-height: 1.5;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    pointer-events: auto;
}

.chart-tooltip strong {
    font-size: 13px;
}

.chart-tooltip-round {
    color: var(--text-faint);
    font-size: 11px;
}

.chart-tooltip-score {
    font-weight: 700;
    font-size: 13px;
}

/* ── Commentary Section ── */
.sentiment-commentary {
    margin-top: 12px;
    padding: 12px 14px;
    background: var(--bg-raised);
    border: 1px solid var(--border-muted);
    border-radius: 8px;
}

.sentiment-commentary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.sentiment-commentary-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.sentiment-round-select {
    background: var(--bg-page);
    border: 1px solid var(--border-muted);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
    padding: 2px 6px;
}

.sentiment-commentary-body {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    max-height: 200px;
    overflow-y: auto;
}

/* ── Empty State ── */
.sentiment-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-faint);
    font-size: 13px;
}

/* ── Curator requeue notice ── */
.curator-notice {
    text-align: center;
    font-size: 11px;
    color: var(--accent-sky);
    font-style: italic;
    padding: 4px 0;
    opacity: 0.85;
}