:root {
  color-scheme: dark;
  --bg: #090c11;
  --bg-elevated: #0d1118;
  --panel: #11161f;
  --panel-2: #151b25;
  --panel-3: #1a2230;
  --line: #252e3d;
  --line-soft: #1c2430;
  --text: #edf2f8;
  --text-soft: #c2cad6;
  --muted: #7d8999;
  --faint: #505c6c;
  --accent: #a98cff;
  --accent-strong: #8b68f7;
  --accent-soft: rgba(169, 140, 255, .12);
  --green: #5ed6a0;
  --green-soft: rgba(94, 214, 160, .12);
  --blue: #60a5fa;
  --amber: #f5b84b;
  --red: #ff7777;
  --red-soft: rgba(255, 119, 119, .11);
  --shadow: 0 24px 80px rgba(0, 0, 0, .42);
  --sidebar: 286px;
  --activity: 360px;
  --radius: 14px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7fb;
  --bg-elevated: #fff;
  --panel: #fff;
  --panel-2: #f7f8fc;
  --panel-3: #eef1f7;
  --line: #dfe4ed;
  --line-soft: #e9edf3;
  --text: #17202d;
  --text-soft: #3e4958;
  --muted: #697688;
  --faint: #9aa5b4;
  --accent: #7655e7;
  --accent-strong: #6542d9;
  --accent-soft: rgba(118, 85, 231, .1);
  --green: #159968;
  --green-soft: rgba(21, 153, 104, .1);
  --blue: #327ed4;
  --amber: #bd7812;
  --red: #d14343;
  --red-soft: rgba(209, 67, 67, .08);
  --shadow: 0 24px 70px rgba(42, 51, 68, .15);
}

* { box-sizing: border-box; }
html, body { height: 100%; max-height: 100%; overflow: hidden; }
body { margin: 0; min-height: 100dvh; overflow: hidden; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.5; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
button, select { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.hidden { display: none !important; }
.mobile-only { display: none !important; }
.eyebrow { color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .16em; }
kbd { border: 1px solid var(--line); background: var(--panel-2); color: var(--muted); border-radius: 5px; padding: 1px 5px; font: 10px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace; }

/* Login */
.login-view { min-height: 100%; display: grid; place-items: center; padding: 24px; overflow: hidden; position: relative; background: radial-gradient(circle at 50% 0%, rgba(87, 63, 146, .13), transparent 42%), var(--bg); }
.login-glow { position: absolute; width: 460px; height: 460px; border-radius: 50%; filter: blur(100px); opacity: .1; pointer-events: none; }
.login-glow-a { background: #8b5cf6; top: -280px; left: -160px; }
.login-glow-b { background: #3b82f6; right: -260px; bottom: -300px; }
.login-card { width: min(100%, 450px); position: relative; z-index: 1; padding: 38px; border: 1px solid var(--line); border-radius: 24px; background: color-mix(in srgb, var(--panel) 94%, transparent); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand > span:last-child { display: flex; align-items: baseline; gap: 5px; min-width: 0; }
.brand strong { font-size: 15px; letter-spacing: -.02em; }
.brand small { color: var(--muted); font-size: 12px; }
.brand-mark { width: 27px; height: 27px; position: relative; display: inline-grid; place-items: center; transform: rotate(45deg); }
.brand-mark i { display: block; position: absolute; width: 16px; height: 16px; border: 2px solid var(--accent); border-radius: 3px; }
.brand-mark i:last-child { transform: translate(6px, -6px); border-color: color-mix(in srgb, var(--accent) 45%, var(--blue)); opacity: .72; }
.brand-login { margin-bottom: 45px; }
.brand-login .brand-mark { width: 34px; height: 34px; }
.brand-login .brand-mark i { width: 20px; height: 20px; }
.brand-login strong { font-size: 18px; }
.brand-login small { font-size: 13px; }
.login-copy h1 { margin: 9px 0 10px; font-size: clamp(28px, 5vw, 38px); line-height: 1.08; letter-spacing: -.045em; }
.login-copy p { margin: 0 0 30px; color: var(--muted); font-size: 14px; line-height: 1.65; }
#login-form label { display: block; color: var(--text-soft); font-size: 12px; font-weight: 650; margin-bottom: 7px; }
.password-wrap { position: relative; }
.password-wrap input { width: 100%; height: 48px; border: 1px solid var(--line); border-radius: 11px; padding: 0 48px 0 13px; background: var(--bg); color: var(--text); transition: border-color .18s, box-shadow .18s; }
.password-wrap input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); outline: none; }
.input-icon { position: absolute; right: 6px; top: 6px; }
.primary-button { border: 0; border-radius: 11px; background: var(--accent-strong); color: #fff; font-weight: 750; cursor: pointer; transition: transform .15s, filter .15s; }
.primary-button:hover { filter: brightness(1.08); }
.primary-button:active { transform: translateY(1px); }
.primary-button:disabled { opacity: .55; cursor: wait; }
.login-button { width: 100%; min-height: 48px; margin-top: 14px; padding: 0 17px; display: flex; align-items: center; justify-content: space-between; }
.form-error { color: var(--red); min-height: 21px; margin: 10px 0 0; font-size: 12px; }
.security-note { border-top: 1px solid var(--line-soft); margin-top: 22px; padding-top: 19px; display: flex; gap: 9px; align-items: flex-start; color: var(--muted); font-size: 11px; }
.security-note svg { width: 16px; height: 16px; flex: none; color: var(--green); }

/* Layout */
.studio { height: 100%; height: 100dvh; min-height: 0; overflow: hidden; display: grid; grid-template-columns: var(--sidebar) minmax(0, 1fr); background: var(--bg); }
.studio.has-activity { grid-template-columns: var(--sidebar) minmax(0, 1fr) var(--activity); }
.sidebar { min-width: 0; height: 100%; border-right: 1px solid var(--line-soft); background: var(--bg-elevated); display: flex; flex-direction: column; padding: 0 12px; z-index: 20; }
.sidebar-header { min-height: 66px; display: flex; align-items: center; justify-content: space-between; padding: 0 8px; }
.new-session-button { width: 100%; height: 42px; display: flex; align-items: center; gap: 10px; border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line)); border-radius: 10px; background: var(--accent-soft); color: var(--text); padding: 0 11px; font-weight: 680; cursor: pointer; transition: .15s; }
.new-session-button:hover { background: color-mix(in srgb, var(--accent-soft) 75%, var(--panel-3)); border-color: var(--accent); }
.new-session-button svg { width: 17px; color: var(--accent); }
.new-session-button span { flex: 1; text-align: left; }
.session-search { height: 36px; margin-top: 13px; position: relative; color: var(--muted); }
.session-search svg { width: 15px; position: absolute; left: 10px; top: 10px; pointer-events: none; }
.session-search input { width: 100%; height: 100%; border: 1px solid transparent; border-radius: 9px; padding: 0 10px 0 32px; background: transparent; color: var(--text); font-size: 12px; }
.session-search input:hover, .session-search input:focus { background: var(--panel-2); border-color: var(--line); outline: none; }
.session-search input::placeholder { color: var(--faint); }
.sidebar-section-title { display: flex; align-items: center; justify-content: space-between; color: var(--faint); font-size: 9px; font-weight: 800; letter-spacing: .12em; padding: 20px 9px 8px; }
.session-list { flex: 1; overflow: auto; margin: 0 -2px; padding: 0 2px 12px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.session-item { width: 100%; position: relative; border: 0; border-radius: 9px; background: transparent; color: var(--muted); padding: 9px 10px; margin: 1px 0; text-align: left; cursor: pointer; display: grid; grid-template-columns: 19px minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.session-item:hover { background: var(--panel-2); color: var(--text-soft); }
.session-item.active { background: var(--accent-soft); color: var(--text); }
.session-item.active::before { content: ""; position: absolute; left: -2px; top: 9px; bottom: 9px; width: 2px; border-radius: 2px; background: var(--accent); }
.session-item svg { width: 15px; height: 15px; color: var(--faint); }
.session-item.active svg { color: var(--accent); }
.session-item-copy { min-width: 0; }
.session-item-copy strong { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 12px; font-weight: 600; }
.session-item-copy small { display: block; color: var(--faint); font-size: 9px; margin-top: 1px; }
.session-item .session-state { width: 6px; height: 6px; border-radius: 50%; background: transparent; }
.session-item .session-state.live { background: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
.sessions-empty { padding: 24px 12px; color: var(--faint); text-align: center; font-size: 12px; }
.sidebar-footer { border-top: 1px solid var(--line-soft); padding: 10px 0 11px; }
.sidebar-action { width: 100%; display: flex; align-items: center; gap: 10px; border: 0; background: transparent; color: var(--muted); border-radius: 9px; padding: 9px 10px; cursor: pointer; text-align: left; }
.sidebar-action:hover { color: var(--text); background: var(--panel-2); }
.sidebar-action svg { width: 16px; }
.server-card { display: grid; grid-template-columns: 9px minmax(0, 1fr) auto; gap: 9px; align-items: center; padding: 9px 7px 2px 10px; }
.server-card > span:nth-child(2) { min-width: 0; display: flex; flex-direction: column; }
.server-card strong { font-size: 11px; font-weight: 620; }
.server-card small { color: var(--faint); font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.server-card .ui-version { color: var(--accent); opacity: 0.75; margin-top: 2px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 3px color-mix(in srgb, var(--amber) 15%, transparent); }
.status-dot.online { background: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }

.workspace { min-width: 0; min-height: 0; height: 100%; height: 100dvh; max-height: 100dvh; overflow: hidden; position: relative; display: grid; grid-template-rows: 57px minmax(0, 1fr) auto auto; background: var(--bg); }
.topbar { position: relative; z-index: 10; min-width: 0; border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; gap: 10px; padding: 0 17px 0 21px; background: color-mix(in srgb, var(--bg) 94%, transparent); backdrop-filter: blur(14px); }
.session-heading { min-width: 0; display: flex; flex-direction: column; flex: 1; }
.session-title { max-width: 100%; width: fit-content; border: 0; padding: 0; background: transparent; color: var(--text); font-weight: 680; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; text-align: left; }
.session-path { color: var(--faint); font: 9px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-top: 2px; }
.topbar-actions { display: flex; gap: 4px; }
.icon-button { width: 36px; height: 36px; display: inline-grid; place-items: center; border: 0; border-radius: 8px; color: var(--muted); background: transparent; cursor: pointer; }
.icon-button:hover { background: var(--panel-2); color: var(--text); }
.icon-button svg { width: 18px; height: 18px; }
.badge-host { position: relative; }
.badge { position: absolute; min-width: 15px; height: 15px; border: 2px solid var(--bg); border-radius: 8px; top: 1px; right: 0; padding: 0 3px; display: grid; place-items: center; background: var(--red); color: #fff; font-size: 8px; font-weight: 800; }

/* Welcome and messages */
.welcome { min-height: 0; overflow: auto; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 30px 28px 24px; text-align: center; animation: welcome-in .28s ease-out both; }
@keyframes welcome-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.welcome-mark { width: 38px; height: 38px; margin-bottom: 14px; position: relative; display: grid; place-items: center; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line)); background: color-mix(in srgb, var(--accent) 9%, transparent); color: var(--accent); }
.welcome-mark svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.welcome-status { position: absolute; right: -3px; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: status-pulse 2.6s ease-in-out infinite; }
@keyframes status-pulse { 0%, 100% { box-shadow: 0 0 0 3px var(--bg), 0 0 0 0 color-mix(in srgb, var(--green) 40%, transparent); } 50% { box-shadow: 0 0 0 3px var(--bg), 0 0 0 6px transparent; } }
.welcome h2 { margin: 0 0 5px; font-size: 17px; font-weight: 650; letter-spacing: -.01em; color: var(--text); }
.welcome > p { margin: 0 0 18px; color: var(--muted); font-size: 12.5px; line-height: 1.6; }
.welcome-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; max-width: 480px; }
.chip { border: 1px solid var(--line); background: transparent; color: var(--text-soft); font-size: 11.5px; line-height: 1; padding: 8px 14px; border-radius: 999px; cursor: pointer; transition: border-color .16s, color .16s, background .16s; }
.chip:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); color: var(--text); background: var(--accent-soft); }

.messages { min-width: 0; min-height: 0; width: 100%; height: 100%; max-height: 100%; overflow-x: hidden; overflow-y: scroll; -webkit-overflow-scrolling: touch; touch-action: pan-y; overscroll-behavior-y: contain; scroll-behavior: smooth; scrollbar-gutter: stable; padding: 31px max(24px, calc((100% - 840px) / 2)) 44px; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
.messages > * { max-width: 100%; }
.message-row { min-width: 0; max-width: 100%; display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 12px; margin-bottom: 27px; animation: message-in .2s ease-out; }
@keyframes message-in { from { opacity: 0; transform: translateY(5px); } }
.message-row.user { grid-template-columns: minmax(0, 1fr) 28px; }
.message-avatar { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--panel-3); border: 1px solid var(--line); color: var(--muted); font-size: 10px; font-weight: 800; }
.message-row.user .message-avatar { grid-column: 2; background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 30%, var(--line)); }
.message-main { min-width: 0; max-width: 100%; overflow: hidden; }
.message-row.user .message-main { grid-row: 1; grid-column: 1; justify-self: end; max-width: min(85%, 700px); }
.message-author { display: flex; gap: 7px; align-items: center; min-height: 28px; margin-bottom: 2px; color: var(--muted); font-size: 10px; }
.message-author strong { color: var(--text-soft); font-size: 11px; }
.message-row.user .message-author { justify-content: flex-end; }
.message-text { min-width: 0; max-width: 100%; color: var(--text-soft); font-size: 13.5px; line-height: 1.68; overflow-wrap: anywhere; word-break: break-word; }
.message-row.user .message-text { padding: 9px 13px; border: 1px solid color-mix(in srgb, var(--accent) 20%, var(--line)); border-radius: 13px 4px 13px 13px; background: var(--accent-soft); color: var(--text); white-space: pre-wrap; }
.message-text p { margin: 0 0 10px; }
.message-text p:last-child { margin-bottom: 0; }
.message-text h1, .message-text h2, .message-text h3 { color: var(--text); line-height: 1.25; margin: 18px 0 8px; }
.message-text h1 { font-size: 19px; }.message-text h2 { font-size: 16px; }.message-text h3 { font-size: 14px; }
.message-text ul, .message-text ol { margin: 7px 0 11px; padding-left: 21px; }
.message-text li { margin: 3px 0; }
.message-text code { border: 1px solid var(--line); border-radius: 5px; padding: 1px 5px; background: var(--panel-2); color: color-mix(in srgb, var(--accent) 72%, var(--text)); font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.code-block { min-width: 0; max-width: 100%; position: relative; margin: 11px 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #090c11; color: #d7deea; }
.code-head { min-height: 30px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #202735; padding: 0 9px 0 12px; color: #788596; font: 9px ui-monospace, monospace; text-transform: uppercase; }
.code-head button { border: 0; background: transparent; color: #8c98a8; cursor: pointer; font-size: 9px; }
.code-block pre { margin: 0; padding: 13px; overflow: auto; white-space: pre; font: 11.5px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace; tab-size: 2; }

/* Tabelas GFM */
.table-wrap { min-width: 0; max-width: 100%; margin: 11px 0; border: 1px solid var(--line); border-radius: 10px; overflow-x: auto; }
.table-wrap table { border-collapse: collapse; width: 100%; min-width: 460px; font-size: 12.5px; line-height: 1.55; color: var(--text-soft); }
.table-wrap th, .table-wrap td { padding: 7px 11px; border-bottom: 1px solid var(--line-soft); text-align: left; vertical-align: top; overflow-wrap: anywhere; word-break: break-word; }
.table-wrap thead th { background: var(--bg-elevated); color: var(--text); font-weight: 600; border-bottom: 1px solid var(--line); position: sticky; top: 0; }
.table-wrap tbody tr:last-child td { border-bottom: 0; }
.table-wrap tbody tr:nth-child(even) { background: color-mix(in srgb, var(--line) 24%, transparent); }
.table-wrap th[data-align="center"], .table-wrap td[data-align="center"] { text-align: center; }
.table-wrap th[data-align="right"], .table-wrap td[data-align="right"] { text-align: right; }
.table-wrap code { font-size: 11.5px; }
.message-meta { display: flex; flex-wrap: wrap; gap: 9px; color: var(--faint); font-size: 9px; margin-top: 8px; }
.stream-cursor::after { content: ""; width: 5px; height: 14px; display: inline-block; vertical-align: -2px; margin-left: 3px; background: var(--accent); animation: cursor-blink .8s infinite; }
@keyframes cursor-blink { 50% { opacity: .2; } }
.reasoning-card, .tool-card, .system-card { margin: 8px 0; border: 1px solid var(--line-soft); border-radius: 9px; background: var(--panel); overflow: hidden; }
.reasoning-card summary, .tool-head { min-height: 36px; list-style: none; display: flex; align-items: center; gap: 8px; padding: 0 11px; color: var(--muted); font-size: 10px; cursor: pointer; }
.reasoning-card summary::-webkit-details-marker { display: none; }
.reasoning-card summary svg, .tool-head svg { width: 14px; color: var(--accent); }
.reasoning-content { border-top: 1px solid var(--line-soft); padding: 10px 12px; color: var(--muted); white-space: pre-wrap; font-size: 11px; line-height: 1.6; max-height: 330px; overflow: auto; }
.tool-head { cursor: default; }
.tool-name { color: var(--text-soft); font-weight: 650; }
.tool-status { margin-left: auto; display: flex; align-items: center; gap: 5px; }
.tool-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.tool-status.completed::before { background: var(--green); }
.tool-status.error::before { background: var(--red); }
.tool-details { border-top: 1px solid var(--line-soft); }
.tool-details summary { cursor: pointer; color: var(--faint); font-size: 9px; padding: 6px 11px; }
.tool-details pre { max-height: 280px; overflow: auto; margin: 0; padding: 10px 12px; border-top: 1px solid var(--line-soft); white-space: pre-wrap; overflow-wrap: anywhere; color: var(--muted); background: var(--bg); font: 10px/1.6 ui-monospace, monospace; }
.system-card { padding: 9px 11px; color: var(--muted); font-size: 11px; white-space: pre-wrap; }
.empty-messages { display: grid; place-items: center; min-height: 100%; color: var(--muted); text-align: center; }

.load-older { display: block; margin: 6px auto 20px; padding: 7px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--bg); color: var(--muted); font-size: 12px; cursor: pointer; }
.load-older:hover:not(:disabled) { color: var(--text); border-color: var(--accent); }
.load-older:disabled { opacity: .55; cursor: default; }

/* Composer */
.busy-bar { width: min(calc(100% - 48px), 840px); justify-self: center; display: flex; align-items: center; gap: 8px; min-height: 30px; color: var(--muted); font-size: 10px; }
.scroll-bottom { position: absolute; z-index: 12; right: max(22px, calc((100% - 840px) / 2)); bottom: 108px; min-height: 34px; display: flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 18px; padding: 0 12px 0 9px; background: color-mix(in srgb, var(--panel-2) 94%, transparent); color: var(--text-soft); box-shadow: 0 8px 30px rgba(0, 0, 0, .25); backdrop-filter: blur(12px); cursor: pointer; font-size: 10px; }
.scroll-bottom:hover { border-color: var(--accent); color: var(--text); }
.scroll-bottom svg { width: 16px; height: 16px; color: var(--accent); }
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 1.1s infinite; }
@keyframes pulse { 50% { opacity: .35; transform: scale(.8); } }
.text-button { border: 0; background: transparent; cursor: pointer; color: var(--accent); padding: 4px; font-size: 10px; }
.danger-text { color: var(--red); margin-left: auto; }
.composer-area { position: relative; z-index: 8; padding: 0 max(20px, calc((100% - 840px) / 2)) max(10px, env(safe-area-inset-bottom)); background: linear-gradient(transparent, var(--bg) 22%); }
.composer { border: 1px solid var(--line); border-radius: 15px; background: var(--panel); box-shadow: 0 8px 35px rgba(0, 0, 0, .12); transition: border .18s, box-shadow .18s; }
.composer:focus-within { border-color: color-mix(in srgb, var(--accent) 65%, var(--line)); box-shadow: 0 0 0 3px var(--accent-soft), 0 10px 40px rgba(0, 0, 0, .14); }
.composer textarea { display: block; width: 100%; min-height: 57px; max-height: 210px; resize: none; border: 0; outline: 0; background: transparent; color: var(--text); padding: 14px 15px 7px; line-height: 1.55; }
.composer textarea::placeholder { color: var(--faint); }
.composer-toolbar { min-height: 40px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 3px 6px 6px 8px; }
.toolbar-left, .toolbar-right { min-width: 0; display: flex; align-items: center; gap: 4px; }
.toolbar-left { overflow: hidden; }
.tool-button { height: 28px; display: flex; align-items: center; gap: 5px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); padding: 0 7px; font-size: 10px; cursor: pointer; }
.tool-button:hover { color: var(--text); background: var(--panel-3); }
.tool-button:disabled { opacity: .45; cursor: default; }
.tool-button:disabled:hover { color: var(--muted); background: transparent; }
.tool-button svg { width: 14px; }
.toolbar-separator { width: 1px; height: 15px; background: var(--line); margin: 0 3px; flex: none; }
.inline-select { max-width: 120px; height: 28px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); padding: 0 20px 0 7px; font-size: 10px; cursor: pointer; text-overflow: ellipsis; }
.inline-select:hover { background: var(--panel-3); color: var(--text-soft); }
.inline-select option, .inline-select optgroup { background: var(--panel-2); color: var(--text); }
.model-select { max-width: 180px; }
.composer-hint { color: var(--faint); font-size: 9px; white-space: nowrap; }
.send-button { width: 31px; height: 31px; display: grid; place-items: center; border: 0; border-radius: 9px; background: var(--accent-strong); color: #fff; cursor: pointer; transition: filter .15s, transform .15s; }
.send-button:hover { filter: brightness(1.1); }
.send-button:active { transform: scale(.95); }
.send-button:disabled { background: var(--panel-3); color: var(--faint); cursor: default; }
.send-button svg { width: 15px; }
.composer-note { color: var(--faint); text-align: center; font-size: 8.5px; margin: 6px 0 0; }
.skill-chips { width: min(100%, 840px); display: flex; flex-wrap: wrap; gap: 5px; padding-bottom: 6px; }
.skill-chip { display: flex; align-items: center; gap: 5px; border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line)); border-radius: 7px; background: var(--accent-soft); color: var(--accent); padding: 3px 7px; font-size: 9px; }
.skill-chip button { border: 0; background: transparent; color: inherit; padding: 0; cursor: pointer; font-size: 12px; }
.attachment-chips { width: min(100%, 840px); display: flex; flex-wrap: wrap; gap: 5px; padding-bottom: 6px; }
.attachment-chip { min-width: 0; display: flex; align-items: center; gap: 6px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); padding: 3px 5px 3px 8px; font-size: 9px; color: var(--text-soft); }
.attachment-chip.ready { border-color: color-mix(in srgb, var(--green) 45%, var(--line)); }
.attachment-chip .chip-title { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment-chip .chip-status { color: var(--faint); flex: none; }
.attachment-chip .chip-remove { border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: 13px; line-height: 1; padding: 0 3px; }
.attachment-chip .chip-remove:hover { color: var(--red); }
.message-files { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.message-file-chip { display: inline-flex; align-items: center; gap: 5px; min-width: 0; max-width: 100%; border: 1px dashed var(--line); border-radius: 7px; background: var(--panel-2); color: var(--muted); padding: 3px 8px; font-size: 9px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Popovers, activity */
.popover { position: absolute; z-index: 50; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); box-shadow: var(--shadow); padding: 5px; }
.menu-popover { width: 190px; right: 12px; top: 51px; }
.menu-popover button { width: 100%; display: flex; justify-content: space-between; align-items: center; border: 0; border-radius: 7px; padding: 8px 9px; background: transparent; color: var(--text-soft); text-align: left; font-size: 11px; cursor: pointer; }
.menu-popover button:hover { background: var(--panel-3); color: var(--text); }
.menu-popover button.danger { color: var(--red); }
.menu-popover hr { height: 1px; border: 0; background: var(--line); margin: 4px; }
.skill-popover { width: min(340px, calc(100vw - 30px)); left: max(20px, calc((100% - 840px) / 2)); bottom: 87px; max-height: 340px; overflow: auto; }
.skill-popover-title { color: var(--faint); font-size: 9px; font-weight: 750; letter-spacing: .1em; padding: 6px 8px 8px; }
.skill-option { width: 100%; border: 0; border-radius: 8px; background: transparent; color: var(--text); padding: 8px; display: flex; gap: 9px; text-align: left; cursor: pointer; }
.skill-option:hover { background: var(--panel-3); }
.skill-option.selected { background: var(--accent-soft); }
.skill-option > span:first-child { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 7px; background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: 10px; flex: none; }
.skill-option > span:last-child { min-width: 0; }
.skill-option strong { display: block; font-size: 11px; }
.skill-option small { display: block; color: var(--muted); font-size: 9px; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-panel { min-width: 0; border-left: 1px solid var(--line-soft); background: var(--bg-elevated); height: 100%; overflow: hidden; display: grid; grid-template-rows: auto auto minmax(0, 1fr); }
.panel-header { min-height: 70px; display: flex; align-items: center; justify-content: space-between; padding: 12px 14px 8px 17px; }
.panel-header h2 { margin: 2px 0 0; font-size: 16px; }
.panel-tabs { border-bottom: 1px solid var(--line-soft); padding: 0 11px; display: flex; gap: 2px; }
.panel-tabs button { position: relative; border: 0; background: transparent; color: var(--muted); padding: 9px 8px 10px; cursor: pointer; font-size: 10px; }
.panel-tabs button.active { color: var(--text); }
.panel-tabs button.active::after { content: ""; position: absolute; bottom: -1px; left: 7px; right: 7px; height: 2px; background: var(--accent); border-radius: 2px; }
.panel-tabs span { margin-left: 3px; color: var(--accent); }
.panel-content { min-height: 0; overflow: auto; padding: 14px; }
.panel-empty { min-height: 180px; display: grid; place-items: center; text-align: center; color: var(--faint); font-size: 11px; padding: 30px; }
.request-card { border: 1px solid var(--line); border-radius: 11px; background: var(--panel); padding: 12px; margin-bottom: 9px; }
.request-card h3 { margin: 0 0 5px; font-size: 12px; }
.request-card p { margin: 0 0 9px; color: var(--muted); font-size: 10px; overflow-wrap: anywhere; }
.request-resources { margin: 7px 0; padding: 7px 9px; border-radius: 7px; background: var(--bg); color: var(--text-soft); white-space: pre-wrap; overflow-wrap: anywhere; font: 9px/1.55 ui-monospace, monospace; }
.request-actions { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 9px; }
.mini-button { border: 1px solid var(--line); border-radius: 7px; background: var(--panel-2); color: var(--text-soft); padding: 5px 8px; font-size: 9px; cursor: pointer; }
.mini-button:hover { border-color: var(--accent); }
.mini-button.primary { background: var(--accent-strong); border-color: var(--accent-strong); color: #fff; }
.mini-button.danger { color: var(--red); }
.form-field { margin: 10px 0; }
.form-field label { display: block; color: var(--text-soft); font-size: 10px; font-weight: 650; margin-bottom: 5px; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 34px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--text); padding: 7px 8px; font-size: 10px; }
.form-field small { display: block; color: var(--faint); font-size: 9px; margin-top: 3px; }
.diff-file { border: 1px solid var(--line); border-radius: 9px; margin-bottom: 9px; overflow: hidden; }
.diff-file-head { padding: 7px 9px; background: var(--panel-2); color: var(--text-soft); font: 9px ui-monospace, monospace; overflow-wrap: anywhere; }
.diff-content { margin: 0; padding: 9px; overflow: auto; max-height: 460px; background: var(--bg); color: var(--muted); white-space: pre; font: 9px/1.55 ui-monospace, monospace; }
.detail-list { margin: 0; }
.detail-list > div { padding: 9px 0; border-bottom: 1px solid var(--line-soft); }
.detail-list dt { color: var(--faint); font-size: 9px; text-transform: uppercase; letter-spacing: .08em; }
.detail-list dd { margin: 3px 0 0; color: var(--text-soft); font-size: 10px; overflow-wrap: anywhere; }

/* Modal and toasts */
.modal-backdrop { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 18px; background: rgba(3, 5, 9, .65); backdrop-filter: blur(5px); }
.modal { width: min(100%, 480px); max-height: min(90vh, 700px); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: var(--shadow); overflow: hidden; animation: modal-in .16s ease-out; }
@keyframes modal-in { from { opacity: 0; transform: translateY(8px) scale(.985); } }
.modal > header { display: flex; align-items: center; justify-content: space-between; padding: 13px 14px 11px 18px; border-bottom: 1px solid var(--line-soft); }
.modal h2 { font-size: 14px; margin: 0; }
.modal-body { overflow: auto; padding: 17px 18px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 7px; padding: 11px 14px; border-top: 1px solid var(--line-soft); }
.modal-field { margin-bottom: 14px; }
.modal-field label { display: block; color: var(--text-soft); font-size: 11px; font-weight: 650; margin-bottom: 6px; }
.modal-field input, .modal-field select, .modal-field textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); padding: 9px 10px; }
.modal-field input, .modal-field select { height: 40px; padding-block: 0; }
.modal-field textarea { min-height: 104px; resize: vertical; font: 11px/1.55 ui-monospace, SFMono-Regular, Menlo, monospace; }
.modal-field small { display: block; color: var(--faint); font-size: 9px; margin-top: 5px; }
.settings-subtitle { margin: 19px 0 8px; color: var(--faint); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.saved-permissions { display: flex; flex-direction: column; gap: 6px; }
.saved-permission-row { min-width: 0; display: flex; align-items: center; gap: 9px; border: 1px solid var(--line-soft); border-radius: 8px; padding: 8px 8px 8px 10px; background: var(--bg); }
.saved-permission-row > span { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.saved-permission-row strong { color: var(--text-soft); font: 10px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
.saved-permission-row small { color: var(--faint); font-size: 8px; }
.settings-empty { padding: 12px; border: 1px dashed var(--line); border-radius: 8px; color: var(--faint); text-align: center; font-size: 9px; }
.warning-box { padding: 10px 11px; border: 1px solid color-mix(in srgb, var(--amber) 28%, var(--line)); border-radius: 9px; background: color-mix(in srgb, var(--amber) 7%, var(--panel)); color: var(--muted); font-size: 10px; }

/* Connect providers */
.connect-view { min-width: 0; }
.connect-note { margin: 0 0 12px; color: var(--muted); font-size: 10px; }
.connect-toolbar { display: flex; align-items: center; gap: 9px; margin-bottom: 10px; }
.connect-search { flex: 1; min-width: 0; height: 36px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--text); padding: 0 10px; }
.connect-count { color: var(--faint); font-size: 9px; white-space: nowrap; }
.provider-list { display: flex; flex-direction: column; gap: 6px; }
.provider-row { min-width: 0; display: flex; align-items: center; gap: 10px; width: 100%; border: 1px solid var(--line-soft); border-radius: 9px; background: var(--bg); color: var(--text); padding: 9px 10px; cursor: pointer; text-align: left; transition: border-color .15s, background .15s; }
.provider-row:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); background: var(--panel-2); }
.provider-copy { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.provider-copy strong { font-size: 12px; color: var(--text); }
.provider-copy small { color: var(--faint); font-size: 9px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.provider-side { flex: none; display: flex; align-items: center; gap: 6px; }
.provider-arrow { color: var(--faint); font-size: 14px; }
.connection-chip { border: 1px solid color-mix(in srgb, var(--green) 35%, var(--line)); border-radius: 999px; background: var(--green-soft); color: var(--green); padding: 2px 8px; font-size: 9px; font-weight: 700; white-space: nowrap; }
.provider-detail-head { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
.provider-detail-title { font-size: 13px; }
.connect-section { margin-top: 6px; }
.connection-list, .connect-methods { display: flex; flex-direction: column; gap: 6px; }
.connection-row { display: flex; align-items: center; gap: 9px; border: 1px solid var(--line-soft); border-radius: 8px; padding: 8px 8px 8px 10px; background: var(--bg); }
.connection-row > span { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.connection-row strong { color: var(--text-soft); font-size: 11px; }
.connection-row small { color: var(--faint); font-size: 9px; }
.connect-method-card { border: 1px solid var(--line-soft); border-radius: 9px; padding: 10px 11px; background: var(--bg); }
.connect-method-name { color: var(--text-soft); font-size: 11px; font-weight: 700; margin-bottom: 6px; }
.connect-method-body p { margin: 0 0 8px; color: var(--muted); font-size: 10px; }
.connect-key-field { display: flex; gap: 7px; }
.connect-key-field input { flex: 1; min-width: 0; height: 34px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel); color: var(--text); padding: 0 9px; }
.connect-oauth-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.connect-oauth-status { margin-top: 8px; display: flex; flex-direction: column; gap: 7px; }
.inline-link { display: inline-flex; align-items: center; text-decoration: none; }
.connect-status { color: var(--muted); font-size: 10px; }
.connect-status.ok { color: var(--green); }
.connect-status.error { color: var(--red); }

.toast-region { position: fixed; z-index: 200; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 7px; pointer-events: none; }
.toast { max-width: 340px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel-2); color: var(--text-soft); box-shadow: var(--shadow); padding: 9px 12px; font-size: 11px; animation: toast-in .2s ease-out; }
.toast.error { border-color: color-mix(in srgb, var(--red) 40%, var(--line)); color: var(--red); }
@keyframes toast-in { from { opacity: 0; transform: translateY(7px); } }

@media (max-width: 1120px) {
  .studio.has-activity { grid-template-columns: var(--sidebar) minmax(0, 1fr); }
  .activity-panel { position: fixed; z-index: 40; right: 0; top: 0; bottom: 0; width: min(var(--activity), 92vw); box-shadow: var(--shadow); }
}

@media (max-width: 760px) {
  :root { --sidebar: min(310px, 88vw); }
  .mobile-only { display: inline-grid !important; }
  .studio, .studio.has-activity { display: block; }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar); transform: translateX(-102%); transition: transform .2s ease; box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  .scrim { display: block; position: fixed; inset: 0; z-index: 15; background: rgba(0, 0, 0, .5); backdrop-filter: blur(2px); }
  .workspace { height: 100%; height: 100dvh; max-height: 100dvh; grid-template-columns: minmax(0, 1fr); }
  .topbar { padding-inline: 8px; }
  .messages { padding: 22px 14px 32px; }
  .scroll-bottom { right: 13px; bottom: 105px; }
  .message-row { gap: 9px; }
  .message-row.user .message-main { max-width: 92%; }
  .composer-area { padding-inline: 10px; }
  .composer-hint, .toolbar-separator { display: none; }
  .tool-button span { display: none; }
  .inline-select { max-width: 88px; }
  .model-select { max-width: 108px; }
  .welcome { justify-content: flex-start; padding: 36px 16px 16px; }
  .welcome-mark { margin-bottom: 12px; }
  .welcome > p { margin-bottom: 16px; }
  .welcome-chips { justify-content: flex-start; max-width: none; }
  .skill-popover { left: 10px; bottom: 85px; }
  .login-card { padding: 28px 23px; }
}

@media (max-width: 760px) {
  .topbar { padding-top: env(safe-area-inset-top, 0px); }
  .workspace, .login-view { overscroll-behavior-y: none; }
  .messages, .sidebar { overscroll-behavior-y: contain; -webkit-overflow-scrolling: touch; }
  .icon-button, .send-button { width: 42px; height: 42px; }
  .send-button { border-radius: 12px; }
  .tool-button { height: 34px; padding: 0 10px; }
  .tool-button svg { width: 17px; }
  .composer textarea, .login-card input, .session-search, .modal-field input, .modal-field select, .modal-field textarea { font-size: 16px; }
  .composer textarea { min-height: 44px; padding: 11px 14px 6px; line-height: 1.45; }
  .composer-toolbar { min-height: 34px; }
  .composer { border-radius: 13px; }
  .composer-area { min-width: 0; }
  #reveal-speed { order: -1; }
  .toolbar-left { overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
  .toolbar-left::-webkit-scrollbar { display: none; }
  .toolbar-right { flex: none; }
  .inline-select { height: 34px; font-size: 13px; }
}

* { -webkit-tap-highlight-color: transparent; }
button, a, input, select, textarea { touch-action: manipulation; }

@media (max-width: 420px) {
  .variant-select { display: none; }
  .message-avatar { width: 25px; height: 25px; }
  .message-row { grid-template-columns: 25px minmax(0, 1fr); }
  .message-row.user { grid-template-columns: minmax(0, 1fr) 25px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}