/* Mitosyn web app: shared tokens and components for /, /pricing, /account. */
:root {
	--bg: #ffffff;
	--bg-soft: #f7f7f5;
	--bg-sidebar: #f3f3f0;
	--fg: #1d1d1b;
	--fg-soft: #5f5f5a;
	--fg-faint: #8d8d86;
	--line: #e6e5df;
	--line-strong: #d4d3cb;
	--accent: #2b4fd8;
	--accent-fg: #ffffff;
	--accent-soft: #eaefff;
	--ok: #1b7f4c;
	--warn: #a3640a;
	--bad: #c62828;
	--radius: 14px;
	--shadow: 0 1px 2px rgba(20, 20, 15, 0.04), 0 4px 16px rgba(20, 20, 15, 0.06);
	--font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, "Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
	--font-display: var(--font);
	--font-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
	color-scheme: light;
}
@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		--bg: #1a1a18; --bg-soft: #222220; --bg-sidebar: #141413; --fg: #ecebe6; --fg-soft: #b3b2aa; --fg-faint: #85847d;
		--line: #2f2f2c; --line-strong: #3b3b37; --accent: #7d97ff; --accent-fg: #0d1230; --accent-soft: #232b4d;
		--ok: #5fd394; --warn: #f0b35a; --bad: #ff7a73; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.35); color-scheme: dark;
	}
}
:root[data-theme="dark"] {
	--bg: #1a1a18; --bg-soft: #222220; --bg-sidebar: #141413; --fg: #ecebe6; --fg-soft: #b3b2aa; --fg-faint: #85847d;
	--line: #2f2f2c; --line-strong: #3b3b37; --accent: #7d97ff; --accent-fg: #0d1230; --accent-soft: #232b4d;
	--ok: #5fd394; --warn: #f0b35a; --bad: #ff7a73; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.35); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--fg); font: 15px/1.6 var(--font); letter-spacing: -0.005em; word-break: keep-all; overflow-wrap: anywhere; -webkit-font-smoothing: antialiased; }
input, textarea, select, button { font-family: inherit; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 38px; padding: 0 16px; border-radius: 10px;
	border: 1px solid var(--line-strong); background: var(--bg); text-decoration: none; font-weight: 550; font-size: 14px; white-space: nowrap; }
.btn:hover { background: var(--bg-soft); }
.btn.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.primary:hover { opacity: .9; }
.btn.accent { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--bg-soft); }
.btn.block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: default; }
.icon-btn { width: 36px; height: 36px; display: inline-grid; place-items: center; border-radius: 9px; border: 0; background: transparent; color: var(--fg-soft); }
.icon-btn:hover { background: var(--bg-soft); color: var(--fg); }
svg.i { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

.logo { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -.03em; text-decoration: none; }
.logo-mark { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, #2b4fd8, #7b5cff); display: grid; place-items: center; color: #fff; font: 700 14px var(--font); }
.badge { white-space: nowrap; flex: none; display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--accent-soft); color: var(--accent); }
.badge.muted { background: var(--bg-soft); color: var(--fg-soft); border: 1px solid var(--line); }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); z-index: 100; max-width: calc(100% - 32px); display: flex; align-items: center; gap: 14px; animation: rise .18s ease-out; }
.toast button { border: 0; background: none; color: var(--bg); font-weight: 700; text-decoration: underline; padding: 0; }
@keyframes rise { from { opacity: 0; transform: translate(-50%, 8px); } }

/* ---------------- App shell (ChatGPT/Claude style) ---------------- */
.shell { display: grid; grid-template-columns: 268px 1fr; height: 100dvh; transition: grid-template-columns .2s ease; }
.shell.collapsed { grid-template-columns: 0 1fr; }
.shell.collapsed .sidebar { visibility: hidden; border-right: 0; }
.sidebar { background: var(--bg-sidebar); border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; }
.sidebar-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 12px 8px 16px; }
.sidebar .new { margin: 4px 12px 8px; justify-content: flex-start; background: var(--bg); }
.side-nav { padding: 0 8px; }
.side-nav a, .side-link { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 9px; text-decoration: none; color: var(--fg-soft); font-size: 14px; border: 0; background: none; width: 100%; text-align: left; }
.side-nav a:hover, .side-link:hover, .side-link.active { background: rgba(127,127,120,.12); color: var(--fg); }
.side-section { padding: 14px 18px 6px; font-size: 12px; color: var(--fg-faint); font-weight: 600; }
.history { flex: 1; overflow-y: auto; padding: 0 8px 8px; min-height: 0; }
.history .side-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-empty { padding: 6px 18px; color: var(--fg-faint); font-size: 13px; }
.upsell { margin: 8px 12px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); font-size: 13px; }
.upsell b { display: block; font-size: 14px; margin-bottom: 2px; }
.upsell .meter { margin: 8px 0 10px; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 10px 12px; margin: 4px 8px 10px; border-radius: 10px; text-decoration: none; }
.user-chip:hover { background: rgba(127,127,120,.12); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: 13px; overflow: hidden; flex: none; }
.avatar img { width: 100%; height: 100%; }
.user-chip .meta { min-width: 0; line-height: 1.25; }
.user-chip .meta div { font-size: 14px; font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip .meta small { color: var(--fg-faint); font-size: 12px; }

.meter { height: 6px; border-radius: 99px; background: var(--line); overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--accent); border-radius: inherit; }
.meter.full > i { background: var(--bad); }

.main { position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.topbar { display: flex; align-items: center; gap: 8px; height: 56px; padding: 0 14px; flex: none; }
.topbar .spacer { flex: 1; }
.engine-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 10px; font-weight: 600; font-size: 15px; border: 0; background: none; }
.engine-pill small { color: var(--fg-faint); font-weight: 500; font-size: 13px; }
.menu-btn { display: none; }

.thread { flex: 1; overflow-y: auto; min-height: 0; }
.thread-inner { max-width: 780px; margin: 0 auto; padding: 8px 20px 24px; }
.empty { min-height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 24px 20px 8px; }
.empty h1 { font-weight: 650; font-size: clamp(26px, 4vw, 36px); letter-spacing: -.02em; margin: 0 0 6px; }
.empty p { color: var(--fg-soft); margin: 0 0 26px; }
.suggestions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; width: 100%; max-width: 720px; }
.suggestion { text-align: left; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg); transition: background .15s, border-color .15s; }
.suggestion:hover { background: var(--bg-soft); border-color: var(--line-strong); }
.suggestion b { display: block; font-size: 14px; font-weight: 600; }
.suggestion span { color: var(--fg-soft); font-size: 13px; }

.msg { margin: 22px 0; }
.msg.user { display: flex; justify-content: flex-end; }
.msg.user .bubble { background: var(--bg-soft); border: 1px solid var(--line); padding: 10px 16px; border-radius: 18px 18px 4px 18px; max-width: 80%; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg.ai { display: grid; grid-template-columns: 32px 1fr; gap: 12px; }
.msg.ai .ai-avatar { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, #2b4fd8, #7b5cff); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.msg.ai .body { min-width: 0; }
.steps { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.step { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--fg-soft); }
.step code { font: 12px var(--font-mono); background: var(--bg-soft); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; color: var(--fg); }
.step .dot { width: 16px; height: 16px; display: grid; place-items: center; }
.spinner { width: 14px; height: 14px; border: 2px solid var(--line-strong); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.step.done .dot { color: var(--ok); }
.step.fail .dot { color: var(--bad); }
.result { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 10px 0; background: var(--bg); }
.result h3 { font-size: 13px; font-weight: 600; color: var(--fg-soft); margin: 0 0 10px; }
.narrative { margin: 12px 0 6px; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip { height: 30px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); font-size: 13px; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.chip:hover { background: var(--bg-soft); }
.chip.on { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.notice { border: 1px solid var(--line); background: var(--bg-soft); border-radius: 12px; padding: 12px 14px; font-size: 14px; }
.notice .btn { margin-top: 10px; }
.notice.warn { border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }

.composer-wrap { flex: none; padding: 0 20px 14px; }
.composer { max-width: 780px; margin: 0 auto; border: 1px solid var(--line-strong); border-radius: 22px; background: var(--bg); box-shadow: var(--shadow); padding: 10px 10px 8px 16px; }
.composer textarea { width: 100%; border: 0; outline: 0; resize: none; background: transparent; color: var(--fg); font: inherit; min-height: 26px; max-height: 200px; padding: 4px 0; }
.composer-row { display: flex; align-items: center; gap: 6px; }
.composer-row .spacer { flex: 1; }
.select-pill { height: 32px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); padding: 0 10px; font-size: 13px; color: var(--fg-soft); }
.send { width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--fg); color: var(--bg); display: grid; place-items: center; }
.send[disabled] { opacity: .3; cursor: default; }
.fineprint { text-align: center; font-size: 12px; color: var(--fg-faint); margin-top: 8px; }
.popover { position: absolute; bottom: 48px; left: 0; min-width: 240px; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; z-index: 20; }
.popover button { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 8px 10px; border-radius: 8px; font-size: 14px; }
.popover button:hover { background: var(--bg-soft); }
.popover small { display: block; color: var(--fg-faint); font-size: 12px; }
.scrim { display: none; }

@media (max-width: 860px) {
	.shell { grid-template-columns: 1fr; }
	.sidebar { position: fixed; inset: 0 auto 0 0; width: 284px; z-index: 40; transform: translateX(-100%); transition: transform .2s ease; }
	.shell.open .sidebar { transform: none; }
	.shell.open .scrim { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 30; }
	.menu-btn { display: inline-grid; }
	.suggestions { grid-template-columns: 1fr; }
	.thread-inner { padding: 4px 16px 20px; }
	.composer-wrap { padding: 0 12px 10px; }
	.msg.ai { grid-template-columns: 1fr; }
	.msg.ai .ai-avatar { display: none; }
	.msg.user .bubble { max-width: 90%; }
}

/* ---------------- Marketing pages (pricing/account) ---------------- */
.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .inner { max-width: 1160px; margin: 0 auto; height: 60px; padding: 0 20px; display: flex; align-items: center; gap: 18px; }
.site-header nav { display: flex; gap: 4px; flex: 1; }
.site-header nav a { text-decoration: none; color: var(--fg-soft); padding: 6px 10px; border-radius: 8px; font-size: 14px; }
.site-header nav a:hover, .site-header nav a.on { color: var(--fg); background: var(--bg-soft); }
.page { max-width: 1160px; margin: 0 auto; padding: 48px 20px 80px; }
.page-head { text-align: center; margin-bottom: 30px; }
.page-head h1 { font-weight: 700; font-size: clamp(30px, 5vw, 46px); letter-spacing: -.02em; margin: 0 0 8px; }
.page-head p { color: var(--fg-soft); margin: 0; font-size: 16px; }
.toggle { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); margin: 22px 0 0; }
.toggle button { border: 0; background: none; height: 34px; padding: 0 16px; border-radius: 999px; font-size: 14px; font-weight: 550; color: var(--fg-soft); display: inline-flex; align-items: center; gap: 6px; }
.toggle button.on { background: var(--bg); color: var(--fg); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.save { color: var(--ok); font-size: 12px; font-weight: 700; }

.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.plan { position: relative; border: 1px solid var(--line); border-radius: 18px; padding: 22px 20px; background: var(--bg); display: flex; flex-direction: column; }
.plan.hl { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.plan .ribbon { position: absolute; top: -12px; left: 20px; }
.plan h2 { margin: 0; font-size: 20px; font-weight: 650; }
.plan .tag { color: var(--fg-soft); font-size: 14px; min-height: 44px; margin: 4px 0 14px; }
.price { display: flex; align-items: baseline; gap: 6px; min-height: 46px; }
.price b { font-size: 34px; font-weight: 700; letter-spacing: -.02em; }
.price span { color: var(--fg-soft); font-size: 14px; }
.price-note { color: var(--fg-faint); font-size: 13px; min-height: 20px; margin-bottom: 16px; }
.seats { display: flex; align-items: center; gap: 8px; margin: -6px 0 14px; font-size: 13px; color: var(--fg-soft); }
.seats button { width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); }
.plan ul { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-direction: column; gap: 9px; font-size: 14px; }
.plan li { display: flex; gap: 8px; align-items: flex-start; }
.plan li svg { color: var(--ok); margin-top: 2px; }
.current { font-size: 13px; color: var(--ok); font-weight: 600; text-align: center; margin-top: 8px; min-height: 18px; }

.section-title { font-weight: 700; font-size: 28px; text-align: center; margin: 72px 0 22px; letter-spacing: -.01em; }
.compare-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 14px; }
.compare th, .compare td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: center; }
.compare th:first-child, .compare td:first-child { text-align: left; width: 34%; }
.compare thead th { position: sticky; top: 0; background: var(--bg); font-size: 15px; }
.compare .grp td { background: var(--bg-soft); font-weight: 650; font-size: 13px; color: var(--fg-soft); text-align: left; }
.compare .yes { color: var(--ok); }
.compare .no { color: var(--fg-faint); }
.compare tr:last-child td { border-bottom: 0; }

.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 4px; }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--fg-faint); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--fg-soft); margin: 10px 0 0; }
.site-footer { border-top: 1px solid var(--line); color: var(--fg-faint); font-size: 13px; }
.site-footer .inner { max-width: 1160px; margin: 0 auto; padding: 22px 20px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }

.account-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 900px; margin: 0 auto; }
.panel { border: 1px solid var(--line); border-radius: 16px; padding: 20px; background: var(--bg); }
.panel h2 { font-size: 16px; margin: 0 0 14px; }
.panel .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 0; font-size: 14px; }
.panel .row span { color: var(--fg-soft); }
.panel.wide { grid-column: 1 / -1; }
.copy-field { display: flex; gap: 8px; }
.copy-field input { flex: 1; min-width: 0; height: 38px; border: 1px solid var(--line-strong); border-radius: 10px; padding: 0 12px; background: var(--bg-soft); color: var(--fg); font: 13px var(--font-mono); }

@media (max-width: 1020px) { .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
	.plans { grid-template-columns: 1fr; }
	.site-header nav { display: none; }
	.page { padding-top: 32px; }
	.account-grid { grid-template-columns: 1fr; }
}

/* ---------------- v0.5: platform conventions ---------------- */
kbd { font: 11px var(--font-mono); color: var(--fg-faint); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px; background: var(--bg); }
.btn.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 35%, var(--line-strong)); }
.btn.danger:hover { background: color-mix(in srgb, var(--bad) 8%, var(--bg)); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Sidebar */
.side-actions { padding: 0 8px 4px; }
.side-actions .side-link kbd { margin-left: auto; opacity: 0; transition: opacity .15s; }
.side-actions .side-link:hover kbd { opacity: 1; }
.side-actions .side-link span { flex: 1; }
.hist-item { position: relative; display: flex; align-items: center; border-radius: 9px; }
.hist-item:hover, .hist-item.active { background: rgba(127,127,120,.12); }
.hist-link { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; padding: 8px 4px 8px 10px; text-decoration: none; color: var(--fg-soft); font-size: 14px; }
.hist-item.active .hist-link, .hist-item:hover .hist-link { color: var(--fg); }
.hist-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-link svg { color: var(--fg-faint); }
.hist-more { width: 30px; height: 30px; opacity: 0; flex: none; }
.hist-item:hover .hist-more, .hist-item.active .hist-more, .hist-more:focus-visible { opacity: 1; }
@media (hover: none) { .hist-more { opacity: 1; } }
.rename { flex: 1; min-width: 0; margin: 3px 4px; height: 32px; border: 1px solid var(--accent); border-radius: 8px; padding: 0 8px; background: var(--bg); color: var(--fg); font: inherit; font-size: 14px; }
.usage { margin: 6px 12px 0; padding: 10px 12px 12px; font-size: 12px; color: var(--fg-soft); }
.usage-row { display: flex; justify-content: space-between; margin-bottom: 6px; }
.upsell { display: flex; flex-direction: column; gap: 4px; }
.upsell b { display: flex; align-items: center; gap: 6px; }
.upsell span { color: var(--fg-soft); margin-bottom: 8px; }
button.user-chip { border: 0; background: none; width: calc(100% - 16px); text-align: left; }
.user-chip .meta { flex: 1; }
.user-chip > svg { color: var(--fg-faint); }
.login-box { padding: 4px 8px 14px; display: flex; flex-direction: column; gap: 8px; }

/* Menus */
.menu { position: fixed; z-index: 70; min-width: 210px; max-width: 320px; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; animation: pop .12s ease-out; }
.menu button, .menu a { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: none; padding: 8px 10px; border-radius: 8px; font-size: 14px; text-align: left; text-decoration: none; color: var(--fg); }
.menu button span, .menu a span { flex: 1; }
.menu button:hover, .menu a:hover, .menu button:focus-visible, .menu a:focus-visible { background: var(--bg-soft); outline: 0; }
.menu .danger { color: var(--bad); }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; }
.menu svg { color: var(--fg-soft); }
.menu .danger svg { color: var(--bad); }
@keyframes pop { from { opacity: 0; transform: scale(.97); } }

/* Modals */
.modal-backdrop { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.42); display: grid; place-items: center; padding: 16px; animation: fade .12s ease-out; }
@keyframes fade { from { opacity: 0; } }
.modal { background: var(--bg); color: var(--fg); border-radius: 16px; width: 100%; max-width: 480px; max-height: calc(100dvh - 32px); display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,.25); animation: pop .14s ease-out; }
.modal.wide { max-width: 720px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 16px 8px 22px; }
.modal-head h2 { margin: 0; font-size: 18px; font-weight: 650; }
.modal-body { padding: 4px 22px 22px; overflow-y: auto; }
.modal-text { color: var(--fg-soft); margin: 0 0 12px; font-size: 14px; }
.modal-note { color: var(--fg-faint); font-size: 12px; margin: 10px 0 0; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.modal-list { margin: 6px 0 16px; padding-left: 20px; font-size: 14px; color: var(--fg-soft); }
.modal-list li { margin: 4px 0; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; font-size: 13px; color: var(--fg-soft); font-weight: 550; }
.field .select-pill { height: 38px; border-radius: 10px; }
.field-input { width: 100%; border: 1px solid var(--line-strong); border-radius: 10px; padding: 10px; background: var(--bg); color: var(--fg); font: inherit; font-size: 14px; resize: vertical; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: var(--fg-soft); }
.cl-v { font-size: 15px; margin: 12px 0 4px; display: flex; align-items: center; gap: 8px; }

/* Settings */
.settings { display: grid; grid-template-columns: 190px 1fr; gap: 18px; min-height: 340px; }
.tabs { display: flex; flex-direction: column; gap: 2px; }
.tabs button { display: flex; align-items: center; gap: 10px; border: 0; background: none; padding: 9px 10px; border-radius: 9px; font-size: 14px; color: var(--fg-soft); text-align: left; }
.tabs button:hover { background: var(--bg-soft); }
.tabs button[aria-selected="true"] { background: var(--bg-soft); color: var(--fg); font-weight: 600; }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.set-row:last-child { border-bottom: 0; }
.set-row > div { min-width: 0; }
.set-row b { display: block; font-size: 14px; font-weight: 600; }
.set-row small { display: block; color: var(--fg-faint); font-size: 12.5px; margin-top: 2px; }
.seg { display: inline-flex; padding: 3px; border-radius: 10px; background: var(--bg-soft); border: 1px solid var(--line); flex: none; }
.seg button { border: 0; background: none; height: 30px; padding: 0 12px; border-radius: 8px; font-size: 13px; color: var(--fg-soft); }
.seg button[aria-checked="true"] { background: var(--bg); color: var(--fg); font-weight: 600; box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.switch { position: relative; flex: none; width: 42px; height: 24px; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; z-index: 1; }
.switch i { position: absolute; inset: 0; border-radius: 99px; background: var(--line-strong); transition: background .15s; }
.switch i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.2); }
.switch input:checked + i { background: var(--accent); }
.switch input:checked + i::after { transform: translateX(18px); }
.switch input:focus-visible + i { outline: 2px solid var(--accent); outline-offset: 2px; }
.kbd-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.kbd-table td { padding: 9px 0; border-bottom: 1px solid var(--line); }
.kbd-table td:last-child { text-align: right; white-space: nowrap; }
.kbd-table kbd { margin-left: 3px; font-size: 12px; color: var(--fg-soft); }

/* Command palette */
.palette-modal { max-width: 620px; align-self: start; margin-top: 12vh; }
.palette-modal .modal-head { display: none; }
.palette-modal .modal-body { padding: 0; }
.palette-input { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--line); color: var(--fg-faint); }
.palette-input input { flex: 1; border: 0; outline: 0; background: none; color: var(--fg); font: inherit; font-size: 16px; }
.palette-list { max-height: 50vh; overflow-y: auto; padding: 6px; }
.palette-list button { display: flex; align-items: center; gap: 10px; width: 100%; border: 0; background: none; padding: 10px 12px; border-radius: 9px; text-align: left; font-size: 14px; }
.palette-list button span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.palette-list button small { color: var(--fg-faint); font-size: 12px; }
.palette-list button[aria-selected="true"], .palette-list button:hover { background: var(--bg-soft); }
.palette-list svg { color: var(--fg-soft); }
.pal-group { padding: 10px 12px 4px; font-size: 12px; font-weight: 600; color: var(--fg-faint); }
.pal-empty { padding: 26px; text-align: center; color: var(--fg-faint); font-size: 14px; }

/* Top bar */
.status-pill { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border-radius: 99px; font-size: 12px; color: var(--fg-soft); border: 1px solid var(--line); }
.status-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--fg-faint); }
.status-pill.ok i { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.status-pill.warn i { background: var(--warn); }
.status-pill.bad i { background: var(--bad); }
.engine-pill:hover { background: var(--bg-soft); }
.share-top { height: 34px; }

/* Empty state */
.empty .news { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--bg); border-radius: 99px; padding: 5px 12px; font-size: 12.5px; color: var(--fg-soft); margin-bottom: 22px; }
.empty .news:hover { border-color: var(--line-strong); color: var(--fg); }
.empty .news svg:first-child { color: var(--accent); }
.hero-mark { width: 48px; height: 48px; border-radius: 14px; background: linear-gradient(135deg, #2b4fd8, #7b5cff); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 22px; margin-bottom: 16px; box-shadow: 0 8px 24px rgba(43,79,216,.25); }
.suggestion { display: grid; grid-template-columns: auto 1fr; column-gap: 10px; align-items: start; }
.suggestion > svg { grid-row: span 2; color: var(--accent); margin-top: 2px; }
.caps { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; margin-top: 22px; font-size: 12.5px; color: var(--fg-faint); }
.caps span { display: inline-flex; align-items: center; gap: 5px; }
.caps svg { color: var(--ok); }

/* Messages */
.msg.user { flex-direction: column; align-items: flex-end; }
.msg-tools { opacity: 0; transition: opacity .15s; margin-top: 2px; }
.msg.user:hover .msg-tools { opacity: 1; }
.msg-tools .icon-btn { width: 28px; height: 28px; }
.answer-tools { display: flex; gap: 2px; margin: 4px 0 2px -6px; }
.answer-tools .icon-btn { width: 32px; height: 32px; font-size: 15px; }
.answer-tools .icon-btn.on { background: var(--bg-soft); color: var(--fg); }
.fb-form { margin-top: 8px; }
.fb-form .field-input { margin-top: 8px; }
.narrative { white-space: pre-wrap; }
.notice .actions { margin-top: 10px; }
.to-bottom { position: absolute; left: 50%; bottom: 150px; transform: translateX(-50%); width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--bg); color: var(--fg-soft); display: grid; place-items: center; box-shadow: var(--shadow); z-index: 5; }
.to-bottom:hover { color: var(--fg); }

/* Composer */
.send.stop svg { fill: currentColor; }
.composer-row .hint { font-size: 12px; color: var(--fg-faint); }
.composer:focus-within { border-color: color-mix(in srgb, var(--accent) 45%, var(--line-strong)); }
.popover hr { border: 0; border-top: 1px solid var(--line); margin: 4px 0; }
.popover button { display: grid; grid-template-columns: auto 1fr; column-gap: 8px; align-items: center; }
.popover button small { grid-column: 2; }
.popover button svg { color: var(--fg-soft); }
.pop-label { display: block; padding: 4px 10px 8px; font-size: 12px; color: var(--fg-faint); }
.pop-label .select-pill { width: 100%; margin-top: 4px; }
.usage-banner { max-width: 780px; margin: 0 auto 8px; display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 12px; font-size: 13px; background: var(--accent-soft); color: var(--fg); }
.usage-banner.full { background: color-mix(in srgb, var(--bad) 10%, var(--bg)); }
.usage-banner span { flex: 1; }
.usage-banner a { font-weight: 650; color: var(--accent); text-decoration: none; }
.drop-overlay { position: absolute; inset: 0; z-index: 25; display: grid; place-items: center; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(3px); pointer-events: none; }
.drop-overlay > div { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 30px 40px; border: 2px dashed var(--accent); border-radius: 18px; color: var(--accent); background: var(--bg); }
.drop-overlay span { color: var(--fg-soft); font-size: 13px; }

/* Shared report page */
.share-page { max-width: 820px; margin: 0 auto; }
.share-head { text-align: center; margin-bottom: 20px; }
.share-head h1 { font-size: clamp(26px, 4vw, 36px); margin: 10px 0 4px; letter-spacing: -.02em; }
.share-head p { color: var(--fg-soft); margin: 0; }
.share-actions { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }
.share-cta { display: flex; align-items: center; gap: 16px; justify-content: space-between; margin-top: 18px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-soft); }
.share-cta b { display: block; }
.share-cta span { color: var(--fg-soft); font-size: 14px; }

@media (max-width: 860px) {
	.shell.collapsed { grid-template-columns: 1fr; }
	.shell.collapsed .sidebar { visibility: visible; }
	.collapse-btn { display: none; }
	.settings { grid-template-columns: 1fr; min-height: 0; }
	.tabs { flex-direction: row; overflow-x: auto; }
	.tabs button { white-space: nowrap; }
	.set-row { flex-wrap: wrap; }
	.status-pill span, .share-top span, .up-top span { display: none; }
	.status-pill { padding: 0 9px; }
	.engine-pill small { display: none; }
	.msg-tools { opacity: 1; }
	.share-cta { flex-direction: column; align-items: flex-start; }
	.to-bottom { bottom: 140px; }
	.caps { display: none; }
}

@media print {
	.sidebar, .topbar, .composer-wrap, .answer-tools, .actions, .msg-tools, .to-bottom, .site-header, .site-footer, .share-actions, .share-cta, .drop-overlay { display: none !important; }
	.shell { display: block; height: auto; }
	.thread { overflow: visible; }
	body { background: #fff; }
	.result { break-inside: avoid; }
}

/* Numbers line up in metrics and tables */
.meter, .usage, .price b, .kbd-table, table { font-variant-numeric: tabular-nums; }

/* API keys */
table.keys { width: 100%; border-collapse: collapse; font-size: 13px; margin: 6px 0 12px; }
table.keys th { text-align: left; font-weight: 600; color: var(--fg-faint); font-size: 12px; padding: 6px 6px; border-bottom: 1px solid var(--line); }
table.keys td { padding: 8px 6px; border-bottom: 1px solid var(--line); }
table.keys code { font: 12px var(--font-mono); }
.key-new { display: flex; gap: 8px; margin-top: 8px; }
.key-new .field-input { flex: 1; height: 38px; padding: 0 12px; }
.key-once { border-color: color-mix(in srgb, var(--ok) 45%, var(--line)); margin-bottom: 12px; }
.api-doc { margin-top: 14px; font-size: 13px; }
.api-doc summary { cursor: pointer; color: var(--fg-soft); font-weight: 600; }
.api-doc pre { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 12px; overflow-x: auto; font: 12px/1.5 var(--font-mono); margin: 8px 0; }
@media (max-width: 640px) { table.keys th:nth-child(3), table.keys td:nth-child(3) { display: none; } }

/* Sign-in page (/login) */
.auth-body { min-height: 100%; display: grid; place-items: center; padding: 24px 16px; background: var(--bg-soft); }
.auth-card { width: 100%; max-width: 400px; background: var(--bg); border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px; box-shadow: var(--shadow); text-align: center; }
.auth-logo { display: inline-block; font-weight: 750; font-size: 18px; letter-spacing: -0.02em; text-decoration: none; margin-bottom: 18px; }
.auth-card h1 { font-size: 24px; line-height: 1.3; margin: 0 0 8px; letter-spacing: -0.02em; }
.auth-sub { color: var(--fg-soft); margin: 0 0 22px; font-size: 14px; }
.auth-btns { display: grid; gap: 10px; }
.auth-btn { height: 46px; font-size: 15px; justify-content: center; gap: 10px; }
.auth-err { background: color-mix(in srgb, var(--bad) 10%, transparent); color: var(--bad); border-radius: 10px; padding: 10px 12px; font-size: 14px; margin: 0 0 16px; }
.auth-fine { color: var(--fg-faint); font-size: 12px; margin: 20px 0 0; }
.auth-fine a { color: var(--fg-soft); }

/* Legal pages (/terms, /privacy) */
.legal { max-width: 760px; margin: 0 auto; padding: 40px 20px 80px; }
.legal h1 { font-size: 30px; letter-spacing: -.02em; margin: 16px 0 4px; }
.legal h2 { font-size: 18px; margin: 32px 0 8px; }
.legal p, .legal li { color: var(--fg-soft); }
.legal .meta { color: var(--fg-faint); font-size: 13px; }
.legal-back { font-size: 14px; color: var(--fg-soft); text-decoration: none; }