:root {
    --callisto-bg: #060916;
    --callisto-bg-deep: #030611;
    --callisto-bg-mid: #0a1121;
    --callisto-panel: rgba(255, 255, 255, 0.055);
    --callisto-panel-strong: rgba(255, 255, 255, 0.08);
    --callisto-panel-soft: rgba(255, 255, 255, 0.035);
    --callisto-border: rgba(255, 255, 255, 0.1);
    --callisto-border-strong: rgba(137, 240, 255, 0.18);
    --callisto-text: #edf4ff;
    --callisto-muted: rgba(237, 244, 255, 0.72);
    --callisto-soft: rgba(237, 244, 255, 0.48);
    --callisto-cyan: #89f0ff;
    --callisto-gold: #f5c56b;
    --callisto-violet: #8b7cff;
    --callisto-rose: #ff7ac6;
    --shadow-strong: 0 22px 54px rgba(0, 0, 0, 0.28);
    --shadow-soft: 0 12px 28px rgba(0, 0, 0, 0.18);
    --font-heading: "Cormorant Garamond", serif;
    --font-body: "DM Sans", sans-serif;
    --font-mono: "DM Mono", monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at top left, rgba(137, 240, 255, 0.12), transparent 24%),
        radial-gradient(circle at 80% 12%, rgba(139, 124, 255, 0.16), transparent 24%),
        radial-gradient(circle at 76% 72%, rgba(255, 122, 198, 0.1), transparent 20%),
        linear-gradient(180deg, var(--callisto-bg-deep) 0%, #08101f 100%);
    color: var(--callisto-text);
    font-family: var(--font-body);
}

html {
    scroll-behavior: smooth;
}

body {
    overflow: hidden;
}

button,
textarea {
    font: inherit;
}

button {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
}

.app-ambient,
.app-stars {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.app-sidebar-scrim {
    display: none;
}

.app-ambient-a {
    background: radial-gradient(circle at 18% 18%, rgba(137, 240, 255, 0.07), transparent 18%);
}

.app-ambient-b {
    background: radial-gradient(circle at 80% 30%, rgba(139, 124, 255, 0.08), transparent 24%);
}

.app-stars {
    background-image:
        radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.65) 0 1px, transparent 1px),
        radial-gradient(circle at 32% 72%, rgba(255, 255, 255, 0.34) 0 1px, transparent 1px),
        radial-gradient(circle at 68% 22%, rgba(255, 255, 255, 0.55) 0 1px, transparent 1px),
        radial-gradient(circle at 84% 64%, rgba(255, 255, 255, 0.42) 0 1px, transparent 1px);
    opacity: 0.24;
}

.app-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 272px minmax(0, 1fr);
    min-height: 100vh;
}

.app-sidebar,
.thread-welcome-card,
.thread-message,
.inline-asset-card,
.inline-explainer-card,
.context-card,
.composer-panel,
.history-card,
.sidebar-summary-card,
.topbar-auth-card,
.topbar-badge,
.thread-badge {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(7, 12, 26, 0.92)),
        rgba(255, 255, 255, 0.018);
    border: 1px solid var(--callisto-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-soft);
}

.app-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: 1rem 0.9rem 0.9rem;
    border-left: none;
    border-top: none;
    border-bottom: none;
    border-radius: 0;
    overflow: auto;
    background:
        linear-gradient(180deg, rgba(9, 14, 29, 0.98), rgba(6, 10, 22, 0.98)),
        rgba(255, 255, 255, 0.01);
    box-shadow: none;
}

.sidebar-head,
.sidebar-section,
.sidebar-foot,
.sidebar-section-head {
    display: grid;
    gap: 0.7rem;
}

.sidebar-head {
    align-items: start;
    grid-template-columns: minmax(0, 1fr) auto;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    text-decoration: none;
    color: inherit;
}

.app-brand-mark {
    width: 2.9rem;
    height: 2.9rem;
    border-radius: 1rem;
    display: grid;
    place-items: center;
    color: var(--callisto-cyan);
    background: linear-gradient(135deg, rgba(137, 240, 255, 0.12), rgba(139, 124, 255, 0.22));
    border: 1px solid rgba(137, 240, 255, 0.18);
}

.app-brand-mark svg {
    width: 1.35rem;
    height: 1.35rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
}

.app-brand-copy strong,
.history-card strong,
.thread-title,
.thread-welcome-copy h3,
.inline-asset-card h3,
.context-card h3,
.app-topbar h1 {
    display: block;
    font-family: var(--font-heading);
}

.app-brand-copy strong {
    font-size: 1.55rem;
    line-height: 1;
}

.app-brand-copy small,
.sidebar-meta,
.sidebar-foot p,
.sidebar-summary-card p,
.auth-status-copy,
.history-card span,
.topbar-copy,
.thread-subtitle,
.composer-note,
.context-card p {
    color: var(--callisto-soft);
}

.sidebar-close,
.topbar-icon-button,
.sidebar-action,
.history-card,
.ghost-button,
.primary-button,
.prompt-chip {
    font: inherit;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
}

.ghost-button[hidden],
[hidden] {
    display: none !important;
}

.sidebar-close,
.topbar-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--callisto-text);
}

.sidebar-close {
    display: none;
}

.sidebar-action,
.ghost-button,
.primary-button,
.prompt-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.9rem 1rem;
    text-decoration: none;
}

.sidebar-action,
.ghost-button,
.prompt-chip {
    background: rgba(255, 255, 255, 0.04);
    color: var(--callisto-text);
}

.primary-button {
    background: linear-gradient(135deg, rgba(137, 240, 255, 0.18), rgba(139, 124, 255, 0.24));
    border-color: rgba(137, 240, 255, 0.28);
    color: var(--callisto-text);
}

.sidebar-action:hover,
.ghost-button:hover,
.primary-button:hover,
.prompt-chip:hover,
.history-card:hover,
.sidebar-close:hover,
.topbar-icon-button:hover {
    transform: translateY(-1px);
    border-color: rgba(137, 240, 255, 0.28);
}

.sidebar-label,
.workspace-label,
.message-role,
.asset-kicker,
.context-badge {
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.7rem;
    font-family: var(--font-mono);
}

.sidebar-meta,
.message-time,
.message-state {
    font-size: 0.78rem;
}

.history-stack,
.prompt-row,
.thread-welcome-grid,
.message-inline-stack,
.inline-asset-grid,
.context-list,
.sidebar-summary-list {
    display: grid;
    gap: 0.8rem;
}

.history-card,
.sidebar-summary-card {
    text-align: left;
    color: var(--callisto-text);
    border-radius: 0.95rem;
    padding: 0.85rem 0.9rem;
}

.history-card {
    display: grid;
    gap: 0.45rem;
    position: relative;
    overflow: hidden;
}

.history-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7rem;
    bottom: 0.7rem;
    width: 0.18rem;
    border-radius: 999px;
    background: transparent;
}

.history-card-head,
.history-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.history-card-time,
.history-card-status,
.thread-memory-meta {
    color: var(--callisto-soft);
    font-size: 0.78rem;
}

.history-card-status {
    display: inline-flex;
    align-items: center;
    min-height: 1.9rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.03);
}

.history-card-status.is-draft {
    color: var(--callisto-gold);
    border-color: rgba(245, 197, 107, 0.2);
    background: rgba(245, 197, 107, 0.08);
}

.history-card-status.is-busy {
    color: var(--callisto-cyan);
    border-color: rgba(117, 214, 255, 0.22);
    background: rgba(117, 214, 255, 0.08);
}

.history-card-status.is-error {
    color: #ffb3b8;
    border-color: rgba(255, 107, 122, 0.28);
    background: rgba(255, 107, 122, 0.09);
}

.history-card-preview {
    margin: 0;
    color: var(--callisto-muted);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.history-card-route {
    display: inline-flex;
    align-items: center;
    min-height: 1.85rem;
    padding: 0.18rem 0.6rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.03);
    color: var(--callisto-soft);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.history-card-route.theme-observatory {
    color: var(--callisto-cyan);
    border-color: rgba(137, 240, 255, 0.18);
    background: rgba(137, 240, 255, 0.07);
}

.history-card-route.theme-surface {
    color: var(--callisto-gold);
    border-color: rgba(245, 197, 107, 0.18);
    background: rgba(245, 197, 107, 0.08);
}

.history-card-route.theme-moon {
    color: #d5defa;
    border-color: rgba(213, 222, 250, 0.18);
    background: rgba(213, 222, 250, 0.08);
}

.history-empty-state {
    padding: 1rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.14);
    color: var(--callisto-soft);
}

.history-card.is-active {
    border-color: rgba(137, 240, 255, 0.26);
    box-shadow: 0 0 0 1px rgba(137, 240, 255, 0.1) inset, 0 18px 34px rgba(0, 0, 0, 0.22);
}

.history-card.is-active::before {
    background: linear-gradient(180deg, rgba(137, 240, 255, 0.95), rgba(139, 124, 255, 0.7));
}

.sidebar-summary-list,
.context-list,
.answer-layer-list {
    margin: 0;
    padding-left: 1.2rem;
    color: var(--callisto-muted);
}

.sidebar-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(137, 240, 255, 0.14);
    background: rgba(137, 240, 255, 0.05);
    color: var(--callisto-cyan);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.92;
}

.app-main {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    min-width: 0;
    min-height: 100vh;
}

.app-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1.25rem 0.55rem;
}

.surface-preview-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 0 1.25rem 0.8rem;
    padding: 0.9rem 1rem;
    border-radius: 1.15rem;
    border: 1px solid rgba(117, 214, 255, 0.18);
    background:
        linear-gradient(180deg, rgba(117, 214, 255, 0.08), rgba(8, 16, 35, 0.9)),
        rgba(255, 255, 255, 0.02);
    box-shadow: 0 16px 36px rgba(2, 8, 20, 0.22);
}

.surface-preview-copy-block {
    display: grid;
    gap: 0.35rem;
}

.surface-preview-title {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(1rem, 1.2vw, 1.2rem);
    line-height: 1.08;
}

.surface-preview-copy {
    margin: 0;
    max-width: 64ch;
    color: var(--callisto-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.surface-preview-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.surface-preview-link {
    white-space: nowrap;
}

.topbar-primary,
.topbar-copy-block,
.topbar-actions,
.thread-stage,
.thread-stage-header,
.thread-stage-actions,
.composer-footer,
.context-card-head {
    display: flex;
}

.topbar-primary {
    align-items: center;
    gap: 0.75rem;
}

.topbar-copy-block {
    flex-direction: column;
    gap: 0.12rem;
}

.eyebrow {
    margin: 0;
    color: var(--callisto-gold);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
}

.app-topbar h1 {
    margin: 0;
    font-size: clamp(1.3rem, 1.8vw, 1.85rem);
    line-height: 1.04;
}

.topbar-copy {
    margin: 0.08rem 0 0;
    max-width: 34rem;
    font-size: 0.86rem;
    line-height: 1.48;
}

.topbar-actions {
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.topbar-auth-card {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.65rem;
    max-width: 18rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.022), rgba(7, 12, 26, 0.82)),
        rgba(255, 255, 255, 0.012);
}

.topbar-badge,
.thread-badge {
    border-radius: 999px;
    padding: 0.38rem 0.72rem;
}

.topbar-badge {
    color: var(--callisto-cyan);
}

body[data-preview-surface="internal"] .topbar-badge,
body[data-preview-surface="internal"] .thread-badge {
    color: #9fe2ff;
    border-color: rgba(117, 214, 255, 0.2);
    background:
        linear-gradient(180deg, rgba(117, 214, 255, 0.08), rgba(7, 12, 26, 0.9)),
        rgba(117, 214, 255, 0.03);
}

body[data-preview-surface="internal"] .app-brand-mark {
    box-shadow: 0 0 0 1px rgba(117, 214, 255, 0.18);
}

body[data-preview-surface="internal"] .surface-preview-banner {
    border-color: rgba(117, 214, 255, 0.24);
}

.auth-status-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 2rem;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(137, 240, 255, 0.18);
    background: rgba(137, 240, 255, 0.08);
    color: var(--callisto-cyan);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.auth-status-badge.is-error {
    color: #ff9ab8;
    border-color: rgba(255, 154, 184, 0.24);
    background: rgba(255, 154, 184, 0.08);
}

.auth-status-badge.is-ready {
    color: #8ff0df;
    border-color: rgba(143, 240, 223, 0.22);
    background: rgba(143, 240, 223, 0.08);
}

.auth-status-badge.is-pending {
    color: #f7d188;
    border-color: rgba(247, 209, 136, 0.22);
    background: rgba(247, 209, 136, 0.08);
}

.auth-status-copy {
    margin: 0;
    max-width: 18ch;
    font-size: 0.76rem;
}

.auth-summary-card strong {
    font-size: 1rem;
}

.topbar-badge.is-busy {
    color: #7fe6ff;
}

.topbar-badge.is-error {
    color: #ffb3b8;
}

.workspace-shell {
    min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.8rem;
    padding: 0 1.25rem 1.1rem;
}

.thread-stage {
    min-width: 0;
    flex-direction: column;
    gap: 0.72rem;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.workspace-state-row {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
    padding: 0.6rem 0.78rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.016);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: none;
}

.workspace-state-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 2rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(137, 240, 255, 0.18);
    background: rgba(137, 240, 255, 0.08);
    color: var(--callisto-cyan);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.workspace-state-badge.is-draft {
    border-color: rgba(245, 197, 107, 0.22);
    background: rgba(245, 197, 107, 0.1);
    color: var(--callisto-gold);
}

.workspace-state-badge.is-ready {
    border-color: rgba(124, 240, 178, 0.2);
    background: rgba(124, 240, 178, 0.08);
    color: #7cf0b2;
}

.workspace-state-badge.is-busy {
    border-color: rgba(117, 214, 255, 0.22);
    background: rgba(117, 214, 255, 0.08);
    color: var(--callisto-cyan);
}

.workspace-state-badge.is-error {
    border-color: rgba(255, 107, 122, 0.28);
    background: rgba(255, 107, 122, 0.09);
    color: #ffb3b8;
}

.workspace-state-copy,
.workspace-state-note {
    margin: 0;
    color: var(--callisto-muted);
    line-height: 1.5;
}

.workspace-state-copy {
    flex: 1 1 18rem;
    font-size: 0.84rem;
}

.workspace-state-note {
    color: var(--callisto-soft);
    font-size: 0.83rem;
    display: none;
}

.thread-stage-header {
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.72rem;
}

.thread-stage-summary {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.thread-summary-pill {
    display: inline-flex;
    align-items: center;
    min-height: 1.95rem;
    padding: 0.26rem 0.68rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    background: rgba(255, 255, 255, 0.03);
    color: var(--callisto-soft);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.thread-summary-copy {
    margin: 0;
    color: var(--callisto-muted);
    line-height: 1.5;
    max-width: 48ch;
}

.thread-stage-actions {
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.thread-title {
    margin: 0.15rem 0 0;
    font-size: clamp(1.38rem, 1.8vw, 1.82rem);
    line-height: 1.04;
}

.thread-subtitle {
    margin: 0.32rem 0 0;
    max-width: 50ch;
    font-size: 0.9rem;
    line-height: 1.5;
}

.thread-memory-meta {
    margin: 0.22rem 0 0;
    font-size: 0.76rem;
}

.thread-scroll {
    min-height: 0;
    overflow: auto;
    display: grid;
    gap: 0.65rem;
    padding-right: 0.2rem;
    padding-bottom: 0.35rem;
    scroll-padding-bottom: 10rem;
    overscroll-behavior: contain;
}

.thread-welcome-card,
.thread-message,
.context-card,
.composer-panel {
    border-radius: 1.35rem;
}

.thread-welcome-card {
    display: grid;
    gap: 0.55rem;
    padding: 0.78rem 0.88rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.022), rgba(7, 12, 26, 0.84)),
        rgba(255, 255, 255, 0.012);
}

.thread-welcome-copy h3 {
    margin: 0.18rem 0 0.18rem;
    font-size: 1.2rem;
}

.thread-welcome-copy p {
    margin: 0;
    color: var(--callisto-muted);
    max-width: 54ch;
    font-size: 0.88rem;
}

.thread-welcome-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
}

.thread-welcome-grid article {
    padding: 0.56rem 0.68rem;
    border-radius: 0.9rem;
    background: rgba(255, 255, 255, 0.018);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.thread-welcome-grid span,
.inline-asset-grid span {
    display: block;
    color: var(--callisto-soft);
    font-size: 0.76rem;
    margin-bottom: 0.22rem;
}

.thread-message {
    max-width: 58rem;
    padding: 0.78rem 0.86rem;
}

.thread-message.user {
    justify-self: end;
    max-width: 36rem;
    background:
        linear-gradient(135deg, rgba(139, 124, 255, 0.18), rgba(137, 240, 255, 0.08)),
        rgba(255, 255, 255, 0.03);
}

.message-meta {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.65rem;
}

.message-bubble p,
.inline-asset-card p,
.inline-explainer-card p {
    margin: 0;
    color: var(--callisto-muted);
    line-height: 1.68;
}

.answer-body-stack {
    display: grid;
    gap: 0.7rem;
    margin-top: 0.8rem;
}

.answer-body-stack p {
    margin: 0;
    color: var(--callisto-muted);
    line-height: 1.68;
}

.answer-disclosure {
    margin-top: 0.05rem;
}

.answer-disclosure[open] {
    padding-top: 0.15rem;
}

.answer-disclosure-summary {
    list-style: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.36rem 0.72rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.026);
    color: var(--callisto-soft);
    font-size: 0.73rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
}

.answer-disclosure-summary::-webkit-details-marker {
    display: none;
}

.answer-disclosure-body {
    display: grid;
    gap: 0.65rem;
    padding-top: 0.68rem;
}

.answer-intro,
.answer-summary-strip {
    background: rgba(255, 255, 255, 0.03);
}

.message-inline-stack {
    margin-top: 0.65rem;
}

.inline-asset-card,
.inline-explainer-card {
    border-radius: 1rem;
    padding: 0.9rem;
}

.inline-asset-card {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(8, 12, 28, 0.9)),
        radial-gradient(circle at top right, rgba(137, 240, 255, 0.14), transparent 32%);
}

.inline-explainer-card {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(8, 11, 24, 0.88)),
        radial-gradient(circle at top right, rgba(245, 197, 107, 0.1), transparent 34%);
}

.inline-asset-card h3,
.context-card h3 {
    margin: 0.35rem 0 0.45rem;
    font-size: 1.5rem;
}

.assistant-response-stack {
    gap: 0.65rem;
}

.orchestration-shell {
    display: grid;
    gap: 0.45rem;
    margin-bottom: 0.6rem;
    padding: 0.62rem 0.72rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.016);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.orchestration-head,
.composer-status-stack {
    display: grid;
    gap: 0.4rem;
}

.orchestration-head {
    grid-template-columns: auto 1fr;
    align-items: center;
    column-gap: 0.6rem;
}

.orchestration-status-copy,
.composer-runtime-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    width: fit-content;
    min-height: 2.2rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(137, 240, 255, 0.18);
    background: rgba(137, 240, 255, 0.08);
    color: var(--callisto-cyan);
    font-size: 0.8rem;
}

.orchestration-track {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.42rem;
    overflow-x: auto;
    padding-bottom: 0.1rem;
    scrollbar-width: none;
}

.orchestration-track::-webkit-scrollbar {
    display: none;
}

.orchestration-step {
    position: relative;
    flex: 0 0 auto;
    min-width: auto;
    padding: 0.48rem 0.72rem 0.48rem 1.38rem;
    border-radius: 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.016);
    opacity: 0.86;
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease,
        opacity 0.2s ease,
        box-shadow 0.2s ease;
}

.orchestration-step::before {
    content: "";
    position: absolute;
    left: 0.72rem;
    top: 0.76rem;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.orchestration-step.is-active {
    opacity: 1;
    border-color: rgba(137, 240, 255, 0.18);
    background: rgba(137, 240, 255, 0.06);
    box-shadow: none;
    transform: none;
}

.orchestration-step.is-active::before {
    background: var(--callisto-cyan);
    box-shadow:
        0 0 0 1px rgba(137, 240, 255, 0.12),
        0 0 18px rgba(137, 240, 255, 0.34);
}

.orchestration-step.is-complete {
    opacity: 1;
    border-color: rgba(124, 240, 178, 0.2);
    background: rgba(124, 240, 178, 0.06);
}

.orchestration-step.is-complete::before {
    background: #7cf0b2;
}

.orchestration-step-label {
    display: block;
    margin: 0;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--callisto-text);
}

.orchestration-step p {
    display: none;
}

.inline-media-figure {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.7rem;
    align-items: stretch;
}

.media-frame {
    position: relative;
    min-height: 13.5rem;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background:
        radial-gradient(circle at 34% 32%, rgba(237, 244, 255, 0.2), transparent 12%),
        radial-gradient(circle at 52% 48%, rgba(137, 240, 255, 0.18), transparent 18%),
        radial-gradient(circle at 68% 60%, rgba(245, 197, 107, 0.16), transparent 18%),
        linear-gradient(160deg, rgba(11, 17, 34, 0.96), rgba(18, 24, 46, 0.86));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.media-frame.has-image {
    background: linear-gradient(160deg, rgba(11, 17, 34, 0.96), rgba(18, 24, 46, 0.86));
}

.media-frame-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    opacity: 0.94;
}

.media-frame::after {
    content: "";
    position: absolute;
    inset: 1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    opacity: 0.7;
}

.media-frame-theme-moon {
    background:
        radial-gradient(circle at 34% 32%, rgba(237, 244, 255, 0.24), transparent 12%),
        radial-gradient(circle at 52% 48%, rgba(137, 240, 255, 0.18), transparent 18%),
        radial-gradient(circle at 68% 60%, rgba(245, 197, 107, 0.16), transparent 18%),
        linear-gradient(160deg, rgba(11, 17, 34, 0.96), rgba(18, 24, 46, 0.86));
}

.media-frame-theme-observatory {
    background:
        radial-gradient(circle at 28% 30%, rgba(137, 240, 255, 0.24), transparent 15%),
        radial-gradient(circle at 62% 46%, rgba(255, 122, 198, 0.18), transparent 18%),
        radial-gradient(circle at 76% 26%, rgba(237, 244, 255, 0.14), transparent 16%),
        linear-gradient(160deg, rgba(7, 14, 32, 0.96), rgba(16, 20, 40, 0.88));
}

.media-frame-theme-surface {
    background:
        radial-gradient(circle at 28% 62%, rgba(245, 197, 107, 0.22), transparent 16%),
        radial-gradient(circle at 60% 36%, rgba(137, 240, 255, 0.16), transparent 18%),
        radial-gradient(circle at 74% 68%, rgba(255, 255, 255, 0.1), transparent 16%),
        linear-gradient(160deg, rgba(25, 16, 18, 0.96), rgba(38, 24, 22, 0.88));
}

.media-frame-glow {
    position: absolute;
    inset: auto auto 1.6rem 1.6rem;
    width: 7.5rem;
    height: 7.5rem;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(137, 240, 255, 0.26), transparent 68%);
    filter: blur(12px);
    z-index: 1;
}

.media-frame-label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    background: rgba(6, 9, 22, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--callisto-text);
    font-size: 0.74rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    z-index: 2;
}

.media-frame-meta {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-end;
    z-index: 2;
}

.media-frame-meta span {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    background: rgba(6, 9, 22, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--callisto-text);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.media-caption-block {
    display: grid;
    align-content: start;
    gap: 0.38rem;
    border-radius: 1rem;
    padding: 0.9rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.archive-fact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    margin-top: 0.6rem;
}

.archive-fact-card {
    padding: 0.62rem 0.68rem;
    border-radius: 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.archive-fact-card span {
    display: block;
    color: var(--callisto-soft);
    font-size: 0.69rem;
    margin-bottom: 0.14rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.archive-fact-card strong {
    display: block;
    font-size: 0.85rem;
    line-height: 1.35;
}

.archive-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.65rem;
}

.archive-action-feedback {
    display: grid;
    gap: 0.45rem;
    margin-top: 0.85rem;
}

.archive-action-feedback p {
    margin: 0;
    color: var(--callisto-soft);
    line-height: 1.58;
}

.archive-action-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 2rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--callisto-text);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.archive-action-badge.is-pending {
    border-color: rgba(245, 197, 107, 0.22);
    background: rgba(245, 197, 107, 0.1);
    color: var(--callisto-gold);
}

.archive-action-badge.is-ready,
.archive-action-badge.is-opened {
    border-color: rgba(137, 240, 255, 0.2);
    background: rgba(137, 240, 255, 0.08);
    color: var(--callisto-cyan);
}

.archive-action-badge.is-success {
    border-color: rgba(124, 240, 178, 0.22);
    background: rgba(124, 240, 178, 0.09);
    color: #7cf0b2;
}

.archive-action-badge.is-error {
    border-color: rgba(255, 107, 122, 0.28);
    background: rgba(255, 107, 122, 0.09);
    color: #ffb3b8;
}

.archive-action-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.4rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--callisto-text);
    cursor: pointer;
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.archive-action-chip:hover {
    transform: translateY(-1px);
    border-color: rgba(137, 240, 255, 0.24);
}

.archive-action-chip:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    transform: none;
    border-color: rgba(255, 255, 255, 0.08);
}

.explanation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
}

.explanation-card {
    border-radius: 1rem;
    padding: 0.82rem;
    background: rgba(255, 255, 255, 0.022);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.explanation-card p {
    margin: 0.34rem 0 0;
    color: var(--callisto-muted);
    line-height: 1.58;
}

.provenance-chip-row,
.follow-up-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 0.65rem;
}

.evidence-list {
    display: grid;
    gap: 0.7rem;
    margin-top: 0.7rem;
}

.evidence-item {
    padding: 0.76rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.evidence-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.evidence-item p {
    margin: 0;
    color: var(--callisto-muted);
    line-height: 1.55;
}

.translation-thread-card {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(8, 11, 24, 0.88)),
        radial-gradient(circle at top right, rgba(137, 240, 255, 0.08), transparent 26%),
        radial-gradient(circle at 18% 78%, rgba(245, 197, 107, 0.08), transparent 24%);
}

.inline-disclosure {
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.07);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(8, 11, 24, 0.84)),
        rgba(255, 255, 255, 0.016);
}

.inline-disclosure[open] {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.038), rgba(8, 11, 24, 0.9)),
        rgba(255, 255, 255, 0.018);
}

.inline-disclosure-summary {
    list-style: none;
    display: grid;
    gap: 0.3rem;
    padding: 0.82rem 0.9rem;
    cursor: pointer;
}

.inline-disclosure-summary::-webkit-details-marker {
    display: none;
}

.inline-disclosure-summary strong {
    font-family: var(--font-heading);
    font-size: 1.08rem;
    line-height: 1.08;
}

.inline-disclosure-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.inline-disclosure-copy {
    color: var(--callisto-muted);
    line-height: 1.5;
    max-width: 48ch;
}

.inline-disclosure-count {
    display: inline-flex;
    align-items: center;
    min-height: 1.9rem;
    padding: 0.26rem 0.62rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--callisto-soft);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.inline-disclosure-body {
    display: grid;
    gap: 0.75rem;
    padding: 0 0.9rem 0.9rem;
}

.inline-disclosure[open] .inline-disclosure-count {
    border-color: rgba(137, 240, 255, 0.18);
    color: var(--callisto-cyan);
}

.translation-bridge-intro {
    margin-top: 0;
    line-height: 1.56;
}

.translation-storyline,
.translation-impact-grid {
    display: grid;
    gap: 0.8rem;
}

.translation-storyline {
    grid-template-columns: 1fr;
    margin-top: 0.75rem;
}

.translation-story-card,
.translation-impact-card {
    padding: 0.78rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.038);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.translation-story-card span,
.translation-impact-card span {
    display: block;
    color: var(--callisto-soft);
    font-size: 0.75rem;
    margin-bottom: 0.2rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.translation-story-card strong {
    display: block;
    margin-bottom: 0.28rem;
    font-family: var(--font-heading);
    font-size: 1.05rem;
}

.translation-story-card p,
.translation-impact-card p {
    margin: 0;
    color: var(--callisto-muted);
    line-height: 1.56;
}

.translation-impact-grid {
    grid-template-columns: 1fr;
    margin-top: 0.4rem;
}

.translation-commercial-link {
    margin-top: 0.5rem;
    padding-top: 0.7rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--callisto-muted);
    line-height: 1.56;
}

.provenance-chip,
.follow-up-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.4rem;
    padding: 0.55rem 0.9rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--callisto-text);
}

.follow-up-chip {
    cursor: pointer;
    text-align: left;
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.follow-up-chip:hover {
    transform: translateY(-1px);
    border-color: rgba(137, 240, 255, 0.24);
}

.answer-summary-strip {
    display: none;
}

.inline-asset-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 0.95rem;
}

.inline-asset-grid div {
    padding: 0.85rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.starter-section {
    display: grid;
    gap: 0.55rem;
    margin-top: 0.1rem;
}

.prompt-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
}

.prompt-chip {
    justify-content: flex-start;
    text-align: left;
    padding: 0.72rem 0.9rem;
    min-height: 100%;
}

.app-composer-shell {
    margin-top: auto;
    position: sticky;
    bottom: 0;
    z-index: 5;
    padding-bottom: calc(env(safe-area-inset-bottom) + 0.2rem);
    background:
        linear-gradient(180deg, rgba(6, 9, 22, 0), rgba(6, 9, 22, 0.58) 20%, rgba(6, 9, 22, 0.92) 100%);
}

.composer-label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--callisto-soft);
    font-size: 0.86rem;
}

.composer-panel {
    padding: 0.95rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.036), rgba(7, 12, 26, 0.94)),
        rgba(255, 255, 255, 0.016);
}

#workspaceComposer {
    width: 100%;
    min-height: 5rem;
    max-height: 12rem;
    resize: vertical;
    border: none;
    background: transparent;
    color: var(--callisto-text);
    font: inherit;
    line-height: 1.6;
}

#workspaceComposer::placeholder {
    color: var(--callisto-soft);
}

#workspaceComposer:focus {
    outline: none;
}

.composer-footer {
    justify-content: space-between;
    align-items: center;
    gap: 0.85rem;
    margin-top: 0.65rem;
    padding-top: 0.72rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.composer-hint-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.composer-hint {
    display: inline-flex;
    align-items: center;
    min-height: 1.95rem;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.035);
    color: var(--callisto-soft);
    font-size: 0.76rem;
}

.composer-note {
    margin: 0;
    max-width: 36rem;
    font-size: 0.84rem;
}

button:focus-visible,
a:focus-visible,
textarea:focus-visible {
    outline: 2px solid rgba(137, 240, 255, 0.7);
    outline-offset: 2px;
}

.context-rail {
    min-width: 0;
    display: none;
    align-content: start;
    gap: 0.75rem;
    max-width: 260px;
}

.context-card {
    padding: 0.9rem;
}

.context-card-head {
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.55rem;
}

.context-badge {
    color: var(--callisto-cyan);
}

.topbar-icon-button {
    display: none;
}

#contextToggleButton {
    display: inline-flex;
}

body.has-context-open .workspace-shell {
    grid-template-columns: minmax(0, 1fr) 260px;
}

body.has-context-open .thread-stage {
    max-width: none;
    margin: 0;
}

body.has-context-open .context-rail {
    display: grid;
}

/* Internal Preview v2: Tycho-like ergonomics, Callisto identity */
body[data-preview-surface="internal"] .app-layout {
    grid-template-columns: 248px minmax(0, 1fr);
}

body[data-preview-surface="internal"] .app-sidebar {
    gap: 1rem;
    padding: 1.15rem 0.95rem 0.95rem;
    background:
        linear-gradient(180deg, rgba(6, 10, 22, 0.995), rgba(4, 8, 18, 0.985)),
        rgba(255, 255, 255, 0.01);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

body[data-preview-surface="internal"] .sidebar-action {
    min-height: 44px;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
}

body[data-preview-surface="internal"] .history-card {
    border-radius: 1rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(6, 10, 22, 0.92)),
        rgba(255, 255, 255, 0.012);
}

body[data-preview-surface="internal"] .sidebar-foot {
    display: grid;
    gap: 0.7rem;
    margin-top: auto;
    padding-top: 0.25rem;
}

body[data-preview-surface="internal"] .sidebar-link {
    justify-content: center;
}

.sidebar-route-list {
    display: grid;
    gap: 0.55rem;
}

.sidebar-route-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    color: var(--callisto-muted);
    font-size: 0.84rem;
}

.sidebar-route-dot {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--callisto-cyan), var(--callisto-violet));
    box-shadow: 0 0 14px rgba(137, 240, 255, 0.34);
    flex-shrink: 0;
}

body[data-preview-surface="internal"] .app-main {
    background:
        radial-gradient(circle at 75% 12%, rgba(139, 124, 255, 0.12), transparent 26%),
        radial-gradient(circle at 22% 22%, rgba(137, 240, 255, 0.08), transparent 22%),
        linear-gradient(180deg, rgba(4, 8, 18, 0.98), rgba(7, 13, 27, 0.98));
}

body[data-preview-surface="internal"] .app-topbar {
    padding: 0.9rem 1.25rem 0.4rem;
    align-items: flex-start;
}

body[data-preview-surface="internal"] .topbar-actions {
    gap: 0.5rem;
    align-items: center;
}

body[data-preview-surface="internal"] .topbar-auth-card,
body[data-preview-surface="internal"] .topbar-badge {
    display: none;
}

body[data-preview-surface="internal"] #signInButton,
body[data-preview-surface="internal"] #signOutButton {
    min-height: 44px;
    padding-inline: 1.05rem;
}

body[data-preview-surface="internal"] #signInButton {
    background: linear-gradient(135deg, rgba(137, 240, 255, 0.14), rgba(139, 124, 255, 0.18));
    border-color: rgba(137, 240, 255, 0.24);
}

body[data-preview-surface="internal"] .surface-preview-banner {
    margin-top: 0.15rem;
    padding: 0.78rem 0.92rem;
    border-radius: 1rem;
    background:
        linear-gradient(180deg, rgba(117, 214, 255, 0.06), rgba(8, 16, 35, 0.86)),
        rgba(255, 255, 255, 0.018);
    box-shadow: none;
}

body[data-preview-surface="internal"] .workspace-shell {
    padding-top: 0.2rem;
}

body[data-preview-surface="internal"] .thread-stage {
    max-width: 980px;
    gap: 0.82rem;
}

body[data-preview-surface="internal"] .workspace-state-row {
    padding: 0.55rem 0.7rem;
    border-radius: 0.95rem;
    background: rgba(255, 255, 255, 0.014);
}

body[data-preview-surface="internal"] .thread-stage-header {
    gap: 0.85rem;
}

body[data-preview-surface="internal"] .thread-scroll {
    gap: 0.72rem;
}

body[data-preview-surface="internal"] .thread-welcome-card {
    position: relative;
    gap: 0.9rem;
    padding: 1.15rem 1.05rem 1rem;
    border-radius: 1.15rem;
    background:
        radial-gradient(circle at top center, rgba(137, 240, 255, 0.08), transparent 28%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(5, 9, 20, 0.92)),
        rgba(255, 255, 255, 0.012);
}

.internal-hero-mark {
    display: flex;
    justify-content: center;
    margin-bottom: -0.2rem;
}

body[data-preview-surface="internal"] .internal-hero-mark .app-brand-mark {
    width: 3.15rem;
    height: 3.15rem;
}

.internal-hero-copy {
    text-align: center;
    align-items: center;
}

body[data-preview-surface="internal"] .internal-hero-copy p {
    margin-inline: auto;
    max-width: 42rem;
}

.internal-hero-grid {
    display: grid;
}

body[data-preview-surface="internal"] .internal-hero-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

body[data-preview-surface="internal"] .starter-section {
    gap: 0.7rem;
}

body[data-preview-surface="internal"] .prompt-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
}

body[data-preview-surface="internal"] .prompt-chip {
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    min-height: 78px;
    align-items: flex-start;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(7, 12, 26, 0.88)),
        rgba(255, 255, 255, 0.014);
}

body[data-preview-surface="internal"] .prompt-chip:hover {
    border-color: rgba(137, 240, 255, 0.24);
    background:
        linear-gradient(180deg, rgba(137, 240, 255, 0.08), rgba(7, 12, 26, 0.9)),
        rgba(255, 255, 255, 0.02);
}

body[data-preview-surface="internal"] .thread-message {
    border-radius: 1.1rem;
}

body[data-preview-surface="internal"] .message-inline-stack {
    margin-top: 0.72rem;
}

body[data-preview-surface="internal"] .app-composer-shell {
    padding-top: 0.45rem;
    background:
        linear-gradient(180deg, rgba(6, 9, 22, 0), rgba(6, 9, 22, 0.44) 18%, rgba(6, 9, 22, 0.92) 100%);
}

body[data-preview-surface="internal"] .composer-panel {
    border-radius: 1rem;
    padding: 0.9rem 0.95rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(6, 10, 22, 0.96)),
        rgba(255, 255, 255, 0.012);
}

body[data-preview-surface="internal"] .context-rail {
    max-width: 240px;
}

@media (max-width: 1180px) {
    body.has-context-open .workspace-shell {
        grid-template-columns: minmax(0, 1fr);
    }

    body.has-context-open .thread-stage {
        max-width: 900px;
        margin: 0 auto;
    }

    .context-rail.is-open {
        display: grid;
    }

    body[data-preview-surface="internal"] .internal-hero-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 920px) {
    body {
        overflow: auto;
    }

    .app-ambient-a,
    .app-ambient-b {
        opacity: 0.58;
    }

    .app-stars {
        opacity: 0.16;
    }

    .app-layout {
        grid-template-columns: 1fr;
    }

    body[data-preview-surface="internal"] .app-layout {
        grid-template-columns: 1fr;
    }

    .app-sidebar-scrim {
        display: block;
        position: fixed;
        inset: 0;
        border: none;
        padding: 0;
        margin: 0;
        background: rgba(3, 6, 17, 0.6);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.24s ease;
        z-index: 24;
    }

    .app-sidebar-scrim.is-open {
        opacity: 1;
        pointer-events: auto;
    }

    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(22rem, 88vw);
        transform: translateX(-102%);
        transition: transform 0.24s ease;
        z-index: 30;
        border-right: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 28px 0 48px rgba(0, 0, 0, 0.34);
    }

    body[data-preview-surface="internal"] .app-sidebar {
        width: min(21rem, 88vw);
    }

    .app-sidebar.is-open {
        transform: translateX(0);
    }

    .sidebar-close,
    .topbar-icon-button {
        display: inline-flex;
    }

    .topbar-primary,
    .app-topbar,
    .surface-preview-banner,
    .composer-footer,
    .thread-stage-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar-actions,
    .thread-stage-actions {
        justify-content: flex-start;
    }

    .topbar-actions {
        width: 100%;
        gap: 0.48rem;
    }

    .topbar-auth-card {
        width: 100%;
        max-width: none;
        padding: 0.56rem 0.68rem;
    }

    .topbar-actions .topbar-badge,
    .topbar-actions .ghost-button {
        width: 100%;
        justify-content: flex-start;
    }

    .workspace-shell {
        gap: 0.65rem;
    }

    .surface-preview-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .thread-stage {
        gap: 0.62rem;
    }

    .thread-scroll {
        gap: 0.55rem;
        scroll-padding-bottom: 8.5rem;
    }

    .app-composer-shell {
        margin-left: 0;
        margin-right: 0;
        padding-top: 0.34rem;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    body.has-context-open .workspace-shell {
        grid-template-columns: 1fr;
    }

    .context-rail {
        position: fixed;
        left: 0.9rem;
        right: 0.9rem;
        bottom: calc(env(safe-area-inset-bottom) + 0.72rem);
        max-width: none;
        max-height: min(58vh, 30rem);
        overflow: auto;
        padding: 0.12rem;
        z-index: 26;
        border-radius: 1.2rem;
        background:
            linear-gradient(180deg, rgba(7, 12, 26, 0.88), rgba(6, 10, 22, 0.96)),
            rgba(255, 255, 255, 0.02);
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 26px 44px rgba(0, 0, 0, 0.28);
    }

    .context-card {
        padding: 0.82rem;
    }

    .media-frame {
        min-height: 11rem;
    }

    body[data-preview-surface="internal"] .prompt-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .app-ambient-a,
    .app-ambient-b {
        opacity: 0.4;
    }

    .app-stars {
        opacity: 0.1;
    }

    .app-topbar,
    .surface-preview-banner,
    .workspace-shell {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .app-topbar {
        padding-top: 1rem;
        padding-bottom: 0.3rem;
    }

    .app-topbar h1 {
        font-size: 1.55rem;
    }

    .topbar-copy {
        display: none;
    }

    .surface-preview-banner {
        margin-left: 1rem;
        margin-right: 1rem;
        padding: 0.85rem 0.95rem;
    }

    .auth-status-copy {
        max-width: none;
        font-size: 0.72rem;
    }

    .thread-title,
    .thread-welcome-copy h3 {
        font-size: 1.35rem;
    }

    .workspace-state-row {
        padding: 0.8rem;
    }

    .thread-welcome-grid,
    .archive-fact-grid,
    .inline-asset-grid,
    .explanation-grid {
        grid-template-columns: 1fr;
    }

    .thread-message,
    .thread-message.user {
        max-width: 100%;
    }

    .message-meta {
        margin-bottom: 0.5rem;
    }

    .thread-welcome-card,
    .thread-message,
    .context-card,
    .composer-panel {
        border-radius: 1.1rem;
    }

    .thread-welcome-card,
    .thread-message,
    .context-card,
    .composer-panel,
    .history-card,
    .sidebar-summary-card {
        padding: 0.95rem;
    }

    .inline-disclosure-summary,
    .inline-disclosure-body {
        padding-left: 0.82rem;
        padding-right: 0.82rem;
    }

    .prompt-row {
        grid-template-columns: 1fr;
    }

    .inline-disclosure-meta {
        align-items: flex-start;
    }

    .inline-disclosure-copy {
        max-width: none;
    }

    .thread-stage-summary {
        align-items: flex-start;
    }

    .thread-summary-copy,
    .thread-welcome-copy p,
    .thread-subtitle,
    .composer-note {
        font-size: 0.84rem;
    }

    .topbar-actions,
    .composer-footer {
        width: 100%;
    }

    .topbar-actions .ghost-button,
    .composer-footer .primary-button {
        width: 100%;
    }

    .composer-hint-row {
        display: grid;
        grid-template-columns: 1fr;
    }

    .composer-hint {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .orchestration-shell {
        padding: 0.52rem 0.6rem;
    }

    .orchestration-status-copy,
    .composer-runtime-pill {
        min-height: 2rem;
        padding: 0.36rem 0.68rem;
        font-size: 0.76rem;
    }

    .assistant-response-stack {
        gap: 0.55rem;
    }

    .media-frame {
        min-height: 9.5rem;
        border-radius: 0.9rem;
    }

    .media-frame::after {
        inset: 0.72rem;
    }

    .media-frame-label {
        left: 0.72rem;
        top: 0.72rem;
        font-size: 0.68rem;
        min-height: 1.8rem;
    }

    .media-frame-meta {
        right: 0.72rem;
        bottom: 0.72rem;
    }

    .media-frame-meta span {
        min-height: 1.8rem;
        font-size: 0.68rem;
        padding: 0.24rem 0.58rem;
    }

    .archive-action-row {
        display: grid;
        grid-template-columns: 1fr;
    }

    .sidebar-action,
    .ghost-button,
    .primary-button,
    .prompt-chip,
    .archive-action-chip,
    .follow-up-chip {
        min-height: 2.9rem;
    }

    #workspaceComposer {
        min-height: 5.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar-close,
    .topbar-icon-button,
    .sidebar-action,
    .history-card,
    .ghost-button,
    .primary-button,
    .prompt-chip,
    .app-sidebar,
    .app-sidebar-scrim {
        transition: none;
    }
}