:root {
    --bg: #f5f7ff;
    --bg-soft: #eef3ff;
    --bg-accent: #e8f1ff;
    --panel: rgba(255, 255, 255, 0.88);
    --panel-2: rgba(255, 255, 255, 0.94);
    --panel-soft: rgba(255, 255, 255, 0.82);
    --line: rgba(98, 120, 170, 0.18);
    --line-strong: rgba(98, 120, 170, 0.3);
    --text: #16304d;
    --muted: #5f7693;
    --accent: #4c8dff;
    --accent-2: #7fe0d1;
    --accent-3: #f2f8ff;
    --danger: #e56f7f;
    --success: #42b883;
    --warning: #ffbb55;
    --radius: 28px;
    --radius-sm: 18px;
    --shadow: 0 20px 48px rgba(60, 90, 150, 0.12);
    --shadow-soft: 0 10px 28px rgba(60, 90, 150, 0.08);
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
    min-height: 100vh;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    color: var(--text);
    line-height: 1.55;
    background:
        radial-gradient(circle at top left, rgba(76, 141, 255, 0.15), transparent 24%),
        radial-gradient(circle at top right, rgba(127, 224, 209, 0.18), transparent 22%),
        linear-gradient(180deg, #f9fbff 0%, #f3f7ff 46%, #edf4ff 100%);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255,255,255,0.26), transparent 12%, transparent 88%, rgba(255,255,255,0.18));
}

a { color: #256bff; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
h1, h2, h3, p, ul { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.03em; }
strong { font-weight: 700; }
.small { font-size: 0.88rem; }
.muted { color: var(--muted); }
.top-gap { margin-top: 1rem; }
.inline-preview { margin: 0.2rem 0 0; }
.wide-btn { width: 100%; justify-content: center; }
.wrap-actions { flex-wrap: wrap; }
.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;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: calc(0.9rem + var(--safe-top)) calc(1.2rem + var(--safe-right)) 1rem calc(1.2rem + var(--safe-left));
    background: rgba(248, 251, 255, 0.8);
    border-bottom: 1px solid var(--line);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
}
.brand {
    display: flex;
    align-items: center;
    gap: 0.95rem;
    min-width: 0;
}
.brand-link:hover { text-decoration: none; }
.brand-icon {
    width: 54px;
    height: 54px;
    border-radius: 17px;
    box-shadow: var(--shadow-soft);
}
.nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.7rem;
}
.nav a {
    padding: 0.74rem 0.96rem;
    border-radius: 15px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.66);
    color: var(--text);
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}
.nav a:hover,
.nav a:focus-visible {
    text-decoration: none;
    transform: translateY(-1px);
    border-color: rgba(76, 141, 255, 0.35);
    background: rgba(255,255,255,0.95);
}

.container {
    width: min(1420px, calc(100% - 2rem));
    margin: 1.2rem auto calc(1.5rem + var(--safe-bottom));
}

.card {
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(245,249,255,0.98));
    box-shadow: var(--shadow);
    padding: 1.2rem;
}
.soft-card {
    background:
        linear-gradient(180deg, rgba(255,255,255,0.96), rgba(243,248,255,0.98)),
        linear-gradient(135deg, rgba(76,141,255,0.06), transparent 55%);
}
.card-inner,
.feature-tile,
.source-card,
.empty,
.conversation-card,
.comparison-card {
    border-radius: 20px;
    border: 1px solid rgba(98, 120, 170, 0.14);
    background: rgba(255,255,255,0.82);
    box-shadow: var(--shadow-soft);
    padding: 1rem;
}
.empty { color: var(--muted); }
.bright-card { background: rgba(255,255,255,0.9); }

.grid,
.hero-grid,
.stats-grid,
.feature-stack,
.list,
.stack,
.stats-stack,
.source-grid,
.prompt-chips,
.conversation-list,
.comparison-grid {
    display: grid;
    gap: 0.9rem;
}
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.compact-list { gap: 0.55rem; }
.compact-sources { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.95rem 1rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.7);
    border: 1px solid rgba(98, 120, 170, 0.12);
}
.list-item.vertical-start,
.vertical-start {
    align-items: flex-start;
    flex-direction: column;
}
.start { align-items: flex-start; }
.toolbar {
    display: grid;
    gap: 0.8rem;
    grid-template-columns: 2fr repeat(3, minmax(0, 1fr)) auto;
    margin: 1rem 0 1.2rem;
}
.toolbar-wide { grid-template-columns: 2fr repeat(3, minmax(0, 1fr)) auto; }

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.9rem;
}
.compact-head { margin-bottom: 0.75rem; }
.score-box {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    padding: 0.72rem 0.94rem;
    border-radius: 15px;
    border: 1px solid rgba(76, 141, 255, 0.18);
    background: rgba(76, 141, 255, 0.08);
    color: #2450a5;
}
.meta {
    color: var(--muted);
    font-size: 0.92rem;
}

.flash {
    padding: 1rem 1.1rem;
    border-radius: 18px;
    border: 1px solid var(--line);
    margin-bottom: 1rem;
    background: rgba(255,255,255,0.85);
}
.flash.success {
    background: rgba(66, 184, 131, 0.14);
    border-color: rgba(66, 184, 131, 0.28);
}
.flash.error {
    background: rgba(229, 111, 127, 0.14);
    border-color: rgba(229, 111, 127, 0.28);
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid rgba(98, 120, 170, 0.18);
    background: rgba(255,255,255,0.95);
    color: var(--text);
    border-radius: 16px;
    padding: 0.96rem 1rem;
    font: inherit;
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, transform 0.16s ease;
}
input:focus,
textarea:focus,
select:focus {
    border-color: rgba(76, 141, 255, 0.44);
    box-shadow: 0 0 0 4px rgba(76, 141, 255, 0.12);
}
textarea { resize: vertical; min-height: 110px; }
label {
    display: grid;
    gap: 0.45rem;
    font-weight: 600;
}

.btn,
button.btn {
    border: 1px solid rgba(76, 141, 255, 0.22);
    background: rgba(255,255,255,0.95);
    color: var(--text);
    border-radius: 15px;
    padding: 0.86rem 1.1rem;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}
.btn:hover,
button.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-soft);
}
.btn.primary {
    background: linear-gradient(135deg, #6ba3ff, #4c8dff);
    color: white;
    border-color: rgba(76, 141, 255, 0.32);
}
.btn.ghost {
    background: rgba(255,255,255,0.7);
}
.btn.danger {
    border-color: rgba(229, 111, 127, 0.26);
    color: #b2475c;
}
.btn.small {
    padding: 0.6rem 0.85rem;
    font-size: 0.92rem;
}
.actions {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.pill,
.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.48rem 0.8rem;
    border-radius: 999px;
    border: 1px solid rgba(98, 120, 170, 0.14);
    background: rgba(255,255,255,0.8);
    color: #2f4766;
    font-size: 0.88rem;
}
.pill.subtle,
.chip {
    background: rgba(255,255,255,0.7);
}
.chip {
    cursor: pointer;
    font: inherit;
}
.pill.good { color: #1e8459; }
.pill.bad { color: #b2475c; }

.messenger-layout {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}
.chat-sidebar {
    position: sticky;
    top: calc(92px + var(--safe-top));
}
.sidebar-top {
    display: grid;
    gap: 1rem;
}
.stats-stack {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.mini-stat {
    padding: 0.9rem 1rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.78);
    border: 1px solid rgba(98, 120, 170, 0.12);
}
.mini-stat span {
    display: block;
    color: var(--muted);
    font-size: 0.88rem;
    margin-bottom: 0.25rem;
}
.mini-stat strong { font-size: 1.2rem; }
.sidebar-section { margin-top: 1rem; }
.conversation-card {
    display: block;
    color: inherit;
    transition: transform 0.16s ease, border-color 0.16s ease;
}
.conversation-card:hover {
    text-decoration: none;
    transform: translateY(-1px);
    border-color: rgba(76, 141, 255, 0.3);
}
.conversation-card.active {
    border-color: rgba(76, 141, 255, 0.34);
    background: rgba(236, 244, 255, 0.96);
}
.feature-tile p { margin-bottom: 0; color: var(--muted); }
.side-link { color: inherit; }
.side-link:hover { text-decoration: none; }

.chat-stage { min-height: 78vh; }
.messenger-card {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 1rem;
}
.chat-stage-head,
.chat-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
}
.chat-title-row { justify-content: flex-start; }
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(66, 184, 131, 0.12);
}
.prompt-chips {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
.chat-window {
    padding: 0.3rem;
    min-height: 420px;
    max-height: 70vh;
    overflow: auto;
    display: grid;
    gap: 1rem;
    scroll-behavior: smooth;
}
.message {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
}
.message-avatar {
    width: 42px;
    height: 42px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-weight: 800;
    color: white;
    background: linear-gradient(135deg, #7fe0d1, #4c8dff);
    box-shadow: var(--shadow-soft);
    flex: 0 0 auto;
}
.message-body {
    max-width: min(860px, 100%);
    border-radius: 22px;
    padding: 1rem 1.05rem;
    background: rgba(255,255,255,0.92);
    border: 1px solid rgba(98, 120, 170, 0.12);
    box-shadow: var(--shadow-soft);
}
.user-message { justify-content: flex-end; }
.user-message .message-body {
    background: linear-gradient(135deg, rgba(76, 141, 255, 0.14), rgba(255,255,255,0.94));
}
.message-meta {
    color: var(--muted);
    font-size: 0.86rem;
    margin-bottom: 0.45rem;
}
.suggestion-row {
    display: flex;
    gap: 0.55rem;
    flex-wrap: wrap;
    margin-top: 0.9rem;
}
.comparison-box {
    padding: 1rem;
    border-radius: 22px;
    background: rgba(244, 249, 255, 0.95);
    border: 1px solid rgba(76, 141, 255, 0.16);
}
.comparison-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.9rem;
}
.comparison-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.comparison-card h3 { margin-bottom: 0.65rem; }
.composer {
    display: grid;
    gap: 0.75rem;
}
.composer textarea {
    min-height: 120px;
    padding: 1rem 1.05rem;
}
.composer-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}
.feature-list {
    padding-left: 1.1rem;
    margin-bottom: 0;
}
.feature-list.compact li + li { margin-top: 0.45rem; }
.form-wrap {
    width: min(620px, 100%);
    margin: 3rem auto;
}
.form-card { padding: 1.35rem; }
.elevated-form { box-shadow: 0 24px 56px rgba(60, 90, 150, 0.14); }
.footer {
    padding: 1.2rem calc(1.2rem + var(--safe-right)) calc(1.2rem + var(--safe-bottom)) calc(1.2rem + var(--safe-left));
    color: var(--muted);
    text-align: center;
}

@media (max-width: 1180px) {
    .messenger-layout { grid-template-columns: 1fr; }
    .chat-sidebar { position: static; }
    .prompt-chips,
    .compact-sources,
    .comparison-grid,
    .two-col,
    .toolbar,
    .toolbar-wide {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 820px) {
    .container { width: min(100%, calc(100% - 1rem)); }
    .topbar {
        flex-direction: column;
        align-items: stretch;
    }
    .nav { justify-content: flex-start; }
    .prompt-chips,
    .compact-sources,
    .comparison-grid,
    .two-col,
    .toolbar,
    .toolbar-wide,
    .stats-stack {
        grid-template-columns: 1fr;
    }
    .chat-window { max-height: none; }
    .composer-actions,
    .section-head,
    .chat-stage-head {
        flex-direction: column;
        align-items: flex-start;
    }
    .message-body { max-width: 100%; }
}

@media (display-mode: standalone) {
    body { padding-top: 0; }
    .topbar { top: 0; }
}

.brand-mark {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.ai-orb {
    position: relative;
    width: 72px;
    height: 72px;
    border-radius: 999px;
    flex: 0 0 auto;
}
.ai-orb-small {
    width: 54px;
    height: 54px;
}
.ai-orb-core,
.ai-orb-ring {
    position: absolute;
    inset: 0;
    border-radius: inherit;
}
.ai-orb-core {
    inset: 10px;
    background: radial-gradient(circle at 32% 32%, rgba(255,255,255,0.95), rgba(127,224,209,0.55) 25%, rgba(76,141,255,0.92) 65%, rgba(71,102,226,1) 100%);
    box-shadow: 0 16px 40px rgba(76, 141, 255, 0.26);
    animation: orbFloat 4.4s ease-in-out infinite;
}
.ai-orb-ring {
    border: 1px solid rgba(76, 141, 255, 0.22);
    animation: orbPulse 3.2s ease-in-out infinite;
}
.ai-orb .ring-two {
    inset: 9px;
    animation-duration: 2.6s;
}
.ai-orb .ring-three {
    inset: 18px;
    animation-duration: 2.1s;
    border-color: rgba(127, 224, 209, 0.34);
}

.messenger-shell {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}
.messenger-sidebar,
.messenger-main {
    min-height: calc(100vh - 132px);
}
.messenger-sidebar {
    position: sticky;
    top: calc(86px + var(--safe-top));
    display: grid;
    gap: 1rem;
}
.messenger-brand-block {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.messenger-brand-block h1 {
    margin-bottom: 0.3rem;
}
.compact-stack {
    gap: 0.65rem;
}
.sidebar-section {
    display: grid;
    gap: 0.75rem;
}
.sidebar-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}
.mini-stat {
    padding: 0.95rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(98, 120, 170, 0.12);
    box-shadow: var(--shadow-soft);
}
.mini-stat span {
    display: block;
    color: var(--muted);
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}
.mini-stat strong {
    font-size: 1rem;
}
.messenger-main {
    display: grid;
    grid-template-rows: auto auto 1fr auto auto;
    gap: 1rem;
}
.messenger-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}
.head-title-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.35rem;
}
.live-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 6px rgba(66, 184, 131, 0.14);
    animation: livePulse 1.8s ease-in-out infinite;
}
.messenger-prompts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
.message-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}
.composer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}
.auth-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.turnstile-box {
    display: grid;
    gap: 0.45rem;
    justify-items: start;
}
.thinking-overlay {
    position: fixed;
    inset: 0;
    z-index: 120;
    display: grid;
    place-items: center;
    padding: 1rem;
    background: rgba(246, 249, 255, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.thinking-card {
    width: min(460px, 100%);
    text-align: center;
    display: grid;
    gap: 0.8rem;
    justify-items: center;
}
.thinking-orb {
    width: 92px;
    height: 92px;
}
.thinking-status {
    margin-bottom: 0;
}
.thinking-time {
    color: var(--muted);
    font-size: 0.95rem;
}
body.is-thinking {
    overflow: hidden;
}

@keyframes orbFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-4px) scale(1.03); }
}
@keyframes orbPulse {
    0%, 100% { opacity: 0.55; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.08); }
}
@keyframes livePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

@media (max-width: 1180px) {
    .messenger-shell {
        grid-template-columns: 1fr;
    }
    .messenger-sidebar {
        position: static;
        min-height: auto;
    }
    .messenger-main {
        min-height: auto;
    }
    .messenger-prompts {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 820px) {
    .messenger-brand-block,
    .messenger-head,
    .composer-footer,
    .auth-callout {
        flex-direction: column;
        align-items: flex-start;
    }
    .sidebar-metrics,
    .messenger-prompts {
        grid-template-columns: 1fr;
    }
}


/* Messenger live refresh */
.messenger-live-shell {
    align-items: stretch;
}
.messenger-panel,
.messenger-live-main {
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(247,250,255,0.96));
}
.messenger-live-main {
    position: relative;
    overflow: hidden;
}
.messenger-live-main::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 140px;
    background: radial-gradient(circle at top right, rgba(127,224,209,0.18), transparent 52%), radial-gradient(circle at top left, rgba(76,141,255,0.16), transparent 46%);
    pointer-events: none;
}
.messenger-live-head,
.live-chat-window,
.live-composer {
    position: relative;
    z-index: 1;
}
.messenger-conversation-list {
    max-height: 38vh;
    overflow: auto;
    padding-right: 0.2rem;
}
.conversation-card {
    border-radius: 20px;
    padding: 0.95rem 1rem;
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(98,120,170,0.12);
    box-shadow: 0 8px 20px rgba(90,120,180,0.08);
}
.conversation-card strong {
    display: block;
    margin-bottom: 0.2rem;
}
.messenger-top-actions {
    align-items: center;
}
.live-chat-window {
    min-height: 54vh;
    max-height: 62vh;
    padding: 1.2rem 0.75rem;
    border-radius: 28px;
    background:
      linear-gradient(180deg, rgba(247,250,255,0.82), rgba(255,255,255,0.94)),
      radial-gradient(circle at top left, rgba(127,224,209,0.12), transparent 42%);
    border: 1px solid rgba(122, 145, 190, 0.14);
}
.message {
    align-items: flex-end;
}
.message.ai-message .message-body,
.message.user-message .message-body {
    position: relative;
    white-space: pre-wrap;
}
.message.ai-message .message-body::after,
.message.user-message .message-body::after {
    content: '';
    position: absolute;
    bottom: 12px;
    width: 14px;
    height: 14px;
    transform: rotate(45deg);
    border-radius: 3px;
}
.message.ai-message .message-body::after {
    left: -6px;
    background: rgba(255,255,255,0.92);
    border-left: 1px solid rgba(98, 120, 170, 0.12);
    border-bottom: 1px solid rgba(98, 120, 170, 0.12);
}
.message.user-message .message-body::after {
    right: -6px;
    background: linear-gradient(135deg, rgba(76, 141, 255, 0.14), rgba(255,255,255,0.94));
    border-right: 1px solid rgba(98, 120, 170, 0.12);
    border-top: 1px solid rgba(98, 120, 170, 0.12);
}
.message p {
    margin-bottom: 0;
}
.typing-body {
    min-width: 130px;
}
.typing-dots {
    display: inline-flex;
    gap: 0.35rem;
    align-items: center;
    height: 1rem;
}
.typing-dots span {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: rgba(76,141,255,0.7);
    animation: typingBounce 1.1s infinite ease-in-out;
}
.typing-dots span:nth-child(2) { animation-delay: 0.14s; }
.typing-dots span:nth-child(3) { animation-delay: 0.28s; }
.source-card {
    border-radius: 18px;
}
.live-composer {
    position: sticky;
    bottom: calc(10px + var(--safe-bottom));
    padding-top: 0.4rem;
    background: linear-gradient(180deg, rgba(247,250,255,0), rgba(247,250,255,0.85) 18%, rgba(247,250,255,0.98) 100%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.composer-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: end;
    padding: 0.85rem;
    border-radius: 24px;
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(98,120,170,0.14);
    box-shadow: 0 16px 36px rgba(77, 109, 167, 0.12);
}
.live-composer textarea {
    min-height: 62px;
    max-height: 180px;
    resize: vertical;
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 0.4rem 0.1rem;
}
.live-composer textarea:focus {
    outline: none;
    box-shadow: none;
}
.send-btn {
    min-width: 118px;
}
.thinking-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.9rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(98,120,170,0.14);
    box-shadow: 0 10px 24px rgba(77, 109, 167, 0.10);
}
body.is-thinking .ai-orb-core {
    animation-duration: 1.6s;
}
body.is-thinking .ai-orb-ring {
    animation-duration: 1.2s;
}
[hidden] {
    display: none !important;
}
@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}
@media (max-width: 820px) {
    .live-chat-window {
        min-height: 48vh;
        max-height: none;
        padding: 0.9rem 0.45rem;
    }
    .composer-shell {
        grid-template-columns: 1fr;
    }
    .send-btn {
        width: 100%;
    }
}

/* Messenger app refresh */
.chat-app-shell {
    align-items: stretch;
}
.chat-app-sidebar {
    min-width: 310px;
    max-width: 350px;
}
.chat-app-main {
    min-height: calc(100vh - 140px);
}
.chat-app-brand {
    align-items: center;
}
.ai-orb-hero {
    width: 74px;
    height: 74px;
}
.app-metrics {
    gap: 0.75rem;
}
.app-conversation-list .conversation-card {
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,248,255,0.98));
}
.chat-app-head {
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(122, 145, 196, 0.12);
}
.app-chat-window {
    background:
        radial-gradient(circle at top, rgba(157, 205, 255, 0.16), transparent 36%),
        linear-gradient(180deg, #f8fbff 0%, #f5f8ff 100%);
    border-radius: 28px;
    border: 1px solid rgba(122, 145, 196, 0.14);
    padding: 1rem 0.9rem 1.2rem;
    gap: 0.7rem;
}
.message {
    align-items: flex-end;
}
.message.ai-message .message-body,
.message.user-message .message-body {
    border-radius: 24px;
    max-width: min(82%, 820px);
    padding: 0.95rem 1rem;
}
.message.user-message {
    justify-content: flex-end;
}
.message.user-message .message-body {
    background: linear-gradient(180deg, #4075ff 0%, #4f88ff 100%);
    color: #fff;
    box-shadow: 0 14px 34px rgba(64, 117, 255, 0.24);
}
.message.user-message .message-meta {
    color: rgba(255,255,255,0.82);
}
.message.ai-message .message-body {
    background: rgba(255,255,255,0.96);
    border: 1px solid rgba(122, 145, 196, 0.14);
    box-shadow: 0 16px 38px rgba(106, 130, 186, 0.12);
}
.message-content,
.formatted-text {
    line-height: 1.56;
    word-break: break-word;
}
.formatted-text + .formatted-text {
    margin-top: 0.7rem;
}
.auto-link {
    color: #2f67ff;
    text-decoration: none;
    font-weight: 600;
}
.user-message .auto-link {
    color: #ffffff;
    text-decoration: underline;
}
.entity-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.7rem;
}
.entity-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.38rem 0.72rem;
    border-radius: 999px;
    background: rgba(63, 106, 255, 0.09);
    color: #2f67ff;
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
}
.user-message .entity-pill {
    background: rgba(255,255,255,0.14);
    color: #fff;
}
.chat-code {
    margin: 0.75rem 0 0;
    background: #111827;
    color: #eff4ff;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.08);
}
.chat-code-head {
    padding: 0.5rem 0.75rem;
    background: rgba(255,255,255,0.08);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(239,244,255,0.82);
}
.chat-code code {
    display: block;
    padding: 0.9rem 1rem 1rem;
    white-space: pre-wrap;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.88rem;
}
.thinking-inline-rich {
    min-width: min(100%, 420px);
    padding: 0.8rem 0.95rem;
}
.thinking-copy {
    display: grid;
    gap: 0.25rem;
}
.thinking-wave {
    display: inline-flex;
    align-items: flex-end;
    gap: 0.18rem;
    min-height: 18px;
}
.thinking-wave span {
    width: 6px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(84,126,255,0.25), rgba(84,126,255,0.95));
    animation: thinkingBars 1.15s infinite ease-in-out;
}
.thinking-wave span:nth-child(2) { animation-delay: 0.12s; }
.thinking-wave span:nth-child(3) { animation-delay: 0.24s; }
.thinking-wave span:nth-child(4) { animation-delay: 0.36s; }
.ai-orb-think {
    box-shadow: 0 0 0 12px rgba(99,129,255,0.08), 0 0 0 24px rgba(99,129,255,0.05);
}
.typing-message .message-body {
    min-width: 150px;
}
.message-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}
.chat-app-footer {
    align-items: center;
}
[data-sync-state] {
    min-width: 82px;
    justify-content: center;
}
@keyframes thinkingBars {
    0%, 100% { transform: scaleY(0.6); opacity: 0.55; }
    50% { transform: scaleY(1.45); opacity: 1; }
}
@media (max-width: 920px) {
    .chat-app-shell {
        gap: 1rem;
    }
    .chat-app-sidebar {
        max-width: none;
    }
    .chat-app-main {
        min-height: auto;
    }
    .message.ai-message .message-body,
    .message.user-message .message-body {
        max-width: 92%;
    }
}
@media (max-width: 640px) {
    .app-chat-window {
        border-radius: 20px;
        padding: 0.85rem 0.55rem 1rem;
    }
    .message.ai-message .message-body,
    .message.user-message .message-body {
        max-width: 96%;
        border-radius: 20px;
        padding: 0.85rem 0.9rem;
    }
    .chat-app-head {
        gap: 0.7rem;
    }
    .thinking-inline-rich {
        min-width: 100%;
    }
}

.learning-offer-box {
  margin-top: 0.85rem;
  padding: 0.95rem;
  border-radius: 18px;
  border: 1px solid rgba(92, 118, 255, 0.12);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 28px rgba(30, 41, 59, 0.06);
}

.learning-offer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.mini-inline-form {
  margin: 0;
}