/* Hook: the whole interface, in plain CSS.

   A calm, light workspace in the colours of the Hook mark: deep navy for text, the mark's
   indigo for the primary action, focus and links, and its cyan-to-violet gradient kept for a
   few deliberate touches (primary buttons, progress, charts). Cool slate neutrals sit between
   them. System fonts, so nothing is fetched from a third party and text appears at once. */

:root {
    /* The mark's indigo: 5.2:1 on white, so it can carry text and links (WCAG AA). */
    --brand: #4856FD;
    --brand-hover: #3B45E0;
    --brand-wash: #EEF0FF;
    --brand-tint: #E4E7FF;
    --brand-gradient: linear-gradient(120deg, #18ACFE 0%, #4856FD 52%, #7858FC 100%);
    /* For anything carrying white text: starts past the cyan, which is too light behind it. */
    --brand-gradient-solid: linear-gradient(120deg, #3F63FD 0%, #4856FD 45%, #6E57FB 100%);
    --ring: 0 0 0 3px rgba(72, 86, 253, 0.18);
    --navy: #0B1033;
    --navy-2: #161D4A;

    --bg: #FFFFFF;
    --bg-subtle: #F7F8FC;
    --bg-muted: #EFF1F8;
    --bg-hover: #E8EBF5;
    --ink: #0B1033;
    --body: #3A4160;
    /* 5.9:1 on white and 5.6:1 on --bg-subtle: above the 4.5:1 WCAG AA asks for small text. */
    --muted: #5B6382;
    --placeholder: #8B92AD;
    --line: #E3E6EF;
    --line-strong: #CDD2E0;

    --ok: #15803D;
    --ok-bg: #F0FDF4;
    --warn: #B45309;
    --warn-bg: #FFFBEB;
    --danger: #B91C1C;
    --danger-bg: #FEF2F2;
    --danger-line: #FECACA;

    --radius-lg: 14px;
    --radius: 10px;
    --radius-sm: 7px;
    --shadow-sm: 0 1px 2px rgba(11, 16, 51, 0.05);
    --shadow: 0 1px 3px rgba(11, 16, 51, 0.06), 0 6px 16px rgba(11, 16, 51, 0.05);
    --shadow-lg: 0 10px 40px rgba(11, 16, 51, 0.16);
    --ease: 160ms cubic-bezier(0.4, 0, 0.2, 1);

    --font: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: "JetBrains Mono", "Cascadia Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --sidebar: 272px;
    --column: 768px;
    --avatar: 28px;
    --avatar-gap: 14px;
}

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

html, body { height: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    color: var(--ink);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

[hidden] { display: none !important; }

h1, h2, h3, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--brand); }
code, pre, .mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 0.86rem; }

:focus-visible { outline: none; box-shadow: var(--ring); }

/* ---------- Icons ---------- */

.icon {
    display: inline-flex;
    width: 1em;
    height: 1em;
    flex: none;
}

.icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ---------- Brand ---------- */

.logo { height: 32px; width: auto; display: block; align-self: flex-start; }
.logo-sm { height: 26px; }
.brand-icon { border-radius: 22%; }

.boot {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: var(--bg);
    z-index: 100;
}

.boot-mark { width: 48px; height: 48px; border-radius: 22%; animation: pulse 1.4s ease-in-out infinite; }

@keyframes pulse {
    0%, 100% { opacity: 0.45; transform: scale(0.96); }
    50%      { opacity: 1; transform: scale(1); }
}

@keyframes rise {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: none; }
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Type ---------- */

.title {
    font-size: 1.45rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.title-xl { font-size: 1.85rem; letter-spacing: -0.028em; }

.lead {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.lead strong { color: var(--ink); font-weight: 600; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    background: var(--bg-muted);
    color: var(--body);
    white-space: nowrap;
}

.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 38px;
    padding: 0 14px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.9rem;
    font-weight: 550;
    white-space: nowrap;
    transition: background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease);
}

.btn .icon { font-size: 16px; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--brand-gradient-solid); color: #FFFFFF; box-shadow: 0 1px 2px rgba(11, 16, 51, 0.12), 0 4px 12px rgba(72, 86, 253, 0.22); }
.btn-primary:not(:disabled):hover { background: var(--brand-hover); }

.btn-secondary { background: var(--bg); border-color: var(--line); color: var(--ink); box-shadow: var(--shadow-sm); }
.btn-secondary:not(:disabled):hover { background: var(--bg-subtle); border-color: var(--line-strong); }

.btn-ghost { background: transparent; color: var(--body); height: 32px; padding: 0 10px; font-size: 0.84rem; }
.btn-ghost:not(:disabled):hover { background: var(--bg-muted); color: var(--ink); }

.btn-danger { background: var(--bg); border-color: var(--danger-line); color: var(--danger); }
.btn-danger:not(:disabled):hover { background: var(--danger-bg); }

.btn-lg { height: 44px; font-size: 0.95rem; }
.btn-block { width: 100%; }

.btn.is-loading { position: relative; color: transparent !important; pointer-events: none; }
.btn.is-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #FFFFFF;
    animation: spin 0.7s linear infinite;
}
.btn-secondary.is-loading::after, .btn-danger.is-loading::after, .btn-ghost.is-loading::after {
    border-color: var(--line-strong);
    border-top-color: var(--ink);
}

.icon-btn {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--muted);
    font-size: 18px;
    transition: background var(--ease), color var(--ease);
}

.icon-btn:hover { background: var(--bg-muted); color: var(--ink); }

/* ---------- Forms ---------- */

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; min-width: 0; }

.label { font-size: 0.84rem; font-weight: 550; color: var(--ink); }
.optional { font-weight: 400; color: var(--muted); margin-left: 4px; }

.hint { font-size: 0.78rem; color: var(--muted); line-height: 1.45; }

.input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--bg);
    font-size: 0.9rem;
    transition: border-color var(--ease), box-shadow var(--ease);
}

.input::placeholder { color: var(--placeholder); }
.input:hover { border-color: var(--line-strong); }
.input:focus { outline: none; border-color: var(--brand); box-shadow: var(--ring); }
.input.mono { font-size: 0.84rem; }

select.input {
    appearance: none;
    padding-right: 34px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6382' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

/* Edge draws its own show-password button inside a password field, next to ours. */
input::-ms-reveal, input::-ms-clear { display: none; }

.secret { position: relative; display: block; }
.secret .input { padding-right: 42px; }
.reveal {
    position: absolute;
    right: 4px;
    top: 4px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--muted);
    display: grid;
    place-items: center;
    font-size: 17px;
}
.reveal:hover { color: var(--ink); background: var(--bg-muted); }

.grid { display: grid; gap: 0 12px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-host { grid-template-columns: 1fr 110px; }

.segmented {
    display: inline-flex;
    padding: 3px;
    gap: 2px;
    border-radius: var(--radius);
    background: var(--bg-muted);
}

.segmented button {
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 0.85rem;
    font-weight: 550;
    color: var(--muted);
    white-space: nowrap;
    transition: background var(--ease), color var(--ease), box-shadow var(--ease);
}

.segmented button:hover { color: var(--ink); }
.segmented button[aria-checked="true"] { background: var(--bg); color: var(--ink); box-shadow: var(--shadow-sm); }
.segmented-quiet button { font-weight: 500; }

.switch { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; cursor: pointer; margin: 4px 0 16px; }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch-track {
    width: 34px;
    height: 20px;
    flex: none;
    border-radius: 999px;
    background: var(--line-strong);
    position: relative;
    transition: background var(--ease);
}
.switch-track::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #FFFFFF;
    box-shadow: var(--shadow-sm);
    transition: transform var(--ease);
}
.switch input:checked + .switch-track { background: var(--brand); }
.switch input:checked + .switch-track::after { transform: translateX(14px); }
.switch input:focus-visible + .switch-track { box-shadow: var(--ring); }

.disclosure { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 12px; }
.disclosure > summary {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    font-weight: 550;
    color: var(--body);
    cursor: pointer;
    user-select: none;
}
.disclosure > summary::-webkit-details-marker { display: none; }
.disclosure > summary::before {
    content: "";
    width: 14px;
    height: 14px;
    flex: none;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6382' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18l6-6-6-6'/%3E%3C/svg%3E") center / 14px no-repeat;
    transition: transform var(--ease);
}
.disclosure[open] > summary::before { transform: rotate(90deg); }
.disclosure > summary:hover { color: var(--ink); }
.disclosure[open] > summary { margin-bottom: 12px; }

.alert {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 11px 14px;
    border-radius: var(--radius);
    font-size: 0.86rem;
    line-height: 1.5;
    animation: rise 0.18s ease-out;
}
.alert-error { background: var(--danger-bg); border: 1px solid var(--danger-line); color: #7F1D1D; }
.alert-error strong { color: var(--danger); font-weight: 600; }

.pre {
    margin: 0;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-subtle);
    border: 1px solid var(--line);
    font-size: 0.78rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 260px;
    overflow: auto;
}

.code-block { position: relative; }
.code-block pre {
    margin: 0;
    padding: 12px 44px 12px 14px;
    border-radius: var(--radius);
    background: var(--navy);
    color: #E3E6F5;
    font-size: 0.8rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    overflow: auto;
    max-height: 360px;
}
.code-block .copy { position: absolute; top: 6px; right: 6px; color: var(--placeholder); font-size: 16px; }
.code-block .copy:hover { background: var(--navy-2); color: #FFFFFF; }

/* ---------- Cards and centered screens ---------- */

.card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.view-center {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: radial-gradient(900px 420px at 50% -160px, rgba(72, 86, 253, 0.13), rgba(120, 88, 252, 0.05) 45%, transparent 75%), var(--bg-subtle);
}

.card-narrow {
    width: 100%;
    max-width: 440px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    animation: rise 0.25s ease-out;
}

.card-narrow .logo { margin-bottom: 10px; }
.card-narrow .field { margin: 6px 0 0; }

.prepare { max-width: 500px; }
.progress { height: 6px; border-radius: 999px; background: var(--bg-muted); overflow: hidden; margin-top: 8px; }
.progress-bar { height: 100%; width: 0; background: var(--brand-gradient); border-radius: 999px; transition: width 0.4s ease; }
.progress-bar.indeterminate { width: 35%; animation: slide 1.3s ease-in-out infinite; }
@keyframes slide { from { transform: translateX(-100%); } to { transform: translateX(290%); } }
.progress-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 8px; font-size: 0.82rem; color: var(--muted); }
.progress-meta [data-count] { font-variant-numeric: tabular-nums; flex: none; }
.actions { display: flex; gap: 10px; margin-top: 4px; }

/* ---------- Setup ---------- */

.view-setup { min-height: 100vh; background: radial-gradient(900px 420px at 50% -160px, rgba(72, 86, 253, 0.13), rgba(120, 88, 252, 0.05) 45%, transparent 75%), var(--bg-subtle); padding: 48px 20px 64px; }
.setup { max-width: 600px; margin: 0 auto; animation: rise 0.25s ease-out; }
.setup-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.setup-head .logo { margin-bottom: 16px; }

.trust { list-style: none; padding: 0; margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.trust li { display: inline-flex; align-items: center; gap: 7px; font-size: 0.84rem; color: var(--body); }
.trust .icon { color: var(--brand); font-size: 15px; }
.trust-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0;
    border: none;
    background: none;
    font-size: inherit;
    color: inherit;
    text-decoration: underline dotted var(--line-strong);
    text-underline-offset: 4px;
    border-radius: 4px;
}
.trust-link:hover { color: var(--ink); text-decoration-color: var(--brand); }
.trust-link .icon:last-child { color: var(--muted); font-size: 13px; }
.safety-tip { border-top: 1px solid var(--line); padding-top: 14px; display: flex; flex-direction: column; gap: 10px; }

.import-strip {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    margin-bottom: 16px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-lg);
    background: var(--bg);
    font-size: 0.87rem;
    color: var(--body);
    text-align: left;
    transition: border-color var(--ease), background var(--ease);
}
.import-strip .icon { font-size: 17px; color: var(--muted); }
.import-strip strong { margin-left: auto; color: var(--brand); font-weight: 600; white-space: nowrap; }
.import-strip:hover { border-color: var(--muted); }

.step { padding: 22px 24px 18px; margin-bottom: 16px; }
.step-head { display: flex; gap: 12px; margin-bottom: 18px; }
.step-num {
    width: 26px;
    height: 26px;
    flex: none;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--navy);
    color: #FFFFFF;
    font-size: 0.78rem;
    font-weight: 600;
}
.step-title { font-size: 1rem; font-weight: 600; line-height: 26px; }
.step-sub { font-size: 0.84rem; color: var(--muted); }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; margin-bottom: 16px; }

.connect-panel { display: flex; flex-direction: column; gap: 12px; }
.fineprint { font-size: 0.78rem; color: var(--muted); text-align: center; line-height: 1.5; }

.checklist { list-style: none; margin: 0; padding: 14px 16px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.checklist li { display: flex; align-items: center; gap: 10px; font-size: 0.87rem; color: var(--body); animation: rise 0.18s ease-out; }
.checklist .state { width: 18px; height: 18px; flex: none; display: grid; place-items: center; border-radius: 50%; font-size: 12px; }
.checklist .running .state { border: 2px solid var(--line-strong); border-top-color: var(--brand); animation: spin 0.7s linear infinite; }
.checklist .done .state { background: var(--ok); color: #FFFFFF; }
.checklist .failed .state { background: var(--danger); color: #FFFFFF; }
.checklist .done { color: var(--ink); }

/* ---------- App frame ---------- */

.app { display: flex; height: 100vh; height: 100dvh; overflow: hidden; }

.sidebar {
    width: var(--sidebar);
    flex: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 16px 14px;
    background: var(--bg-subtle);
    border-right: 1px solid var(--line);
    overflow-y: auto;
}

.sidebar-top { display: flex; align-items: center; justify-content: space-between; padding: 4px 6px 6px; }

.btn-new { justify-content: flex-start; }

.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    color: var(--body);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--ease), color var(--ease);
}
.nav a .icon { font-size: 17px; color: var(--muted); }
.nav a:hover { background: var(--bg-hover); color: var(--ink); }
.nav a[aria-current="page"] { background: var(--brand-wash); color: var(--brand-hover); font-weight: 600; }
.nav a[aria-current="page"] .icon { color: var(--brand); }

.side-section { margin-top: 6px; }
.side-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); padding: 0 6px 8px; }

.conn-card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 13px;
    font-size: 0.84rem;
    box-shadow: var(--shadow-sm);
}
.conn-status { display: flex; align-items: center; gap: 7px; font-size: 0.74rem; font-weight: 600; margin-bottom: 8px; }
.conn-status .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--line-strong); }
.conn-status.ok { color: var(--ok); }
.conn-status.ok .dot { background: #22C55E; box-shadow: 0 0 0 3px #DCFCE7; }
.conn-status.warn { color: var(--warn); }
.conn-status.warn .dot { background: #F59E0B; box-shadow: 0 0 0 3px #FEF3C7; }
.conn-status.off { color: var(--muted); }
.conn-name { font-size: 0.95rem; font-weight: 600; overflow-wrap: anywhere; }
.conn-sub { color: var(--muted); font-size: 0.78rem; margin-top: 1px; overflow-wrap: anywhere; }
.conn-rows { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 8px; display: flex; flex-direction: column; gap: 3px; }
.conn-row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.79rem; }
.conn-row span:first-child { color: var(--muted); flex: none; }
.conn-row span:last-child { font-weight: 500; text-align: right; overflow-wrap: anywhere; }
.conn-hint { margin-top: 8px; font-size: 0.76rem; color: var(--warn); }

.menu { display: flex; flex-direction: column; gap: 1px; }
.menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 7px 10px;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--body);
    font-size: 0.86rem;
    text-align: left;
    transition: background var(--ease), color var(--ease);
}
.menu-item .icon { font-size: 16px; color: var(--muted); }
.menu-item:hover { background: var(--bg-hover); color: var(--ink); }
.menu-item:disabled { opacity: 0.55; pointer-events: none; }
.menu-item.is-loading .icon { animation: spin 0.9s linear infinite; }

.sidebar-foot { margin-top: auto; padding: 10px 6px 2px; font-size: 0.72rem; color: var(--muted); line-height: 1.5; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; position: relative; }

.topbar { display: none; }
.only-mobile { display: none; }

.page { flex: 1; min-height: 0; display: flex; flex-direction: column; }

/* ---------- Chat ---------- */

.chat-scroll { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.chat-column { max-width: var(--column); margin: 0 auto; padding: 32px 24px 24px; }

.empty {
    min-height: calc(100vh - 260px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 10px;
    padding: 24px 0;
    animation: rise 0.3s ease-out;
}
.empty-mark { width: 52px; height: 52px; border-radius: 22%; margin-bottom: 12px; box-shadow: 0 8px 24px rgba(72, 86, 253, 0.28); }
.empty .lead { max-width: 52ch; }

.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; max-width: 600px; margin-top: 22px; }
.suggestion {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 13px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--bg);
    text-align: left;
    font-size: 0.88rem;
    color: var(--body);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--ease), background var(--ease), box-shadow var(--ease), color var(--ease);
}
.suggestion .icon { font-size: 17px; color: var(--muted); margin-top: 1px; }
.suggestion:hover { border-color: var(--line-strong); background: var(--bg-subtle); color: var(--ink); box-shadow: var(--shadow); }
.suggestion:hover .icon { color: var(--brand); }

.messages { display: flex; flex-direction: column; }

.msg { animation: rise 0.22s ease-out; }

.msg-user { display: flex; justify-content: flex-end; margin: 4px 0 22px; }
.bubble {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 18px;
    border-bottom-right-radius: 6px;
    background: var(--brand-wash);
    color: var(--ink);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.55;
}

.msg-bot { display: flex; gap: var(--avatar-gap); margin-bottom: 30px; }
.avatar { width: var(--avatar); height: var(--avatar); flex: none; border-radius: 22%; margin-top: 1px; }
.msg-body { flex: 1; min-width: 0; }

/* An answer reads like a short document: it is Markdown rendered on the server. */
.answer { font-size: 0.95rem; line-height: 1.68; overflow-wrap: anywhere; }
.answer > :first-child { margin-top: 0; }
.answer > :last-child { margin-bottom: 0; }
.answer p { margin: 0 0 0.75em; }
.answer ul, .answer ol { margin: 0.3em 0 0.8em; padding-left: 1.35em; }
.answer li { margin-bottom: 0.3em; }
.answer li::marker { color: var(--muted); }
.answer h1, .answer h2, .answer h3, .answer h4, .answer h5, .answer h6 { margin: 1.2em 0 0.45em; line-height: 1.3; letter-spacing: -0.012em; font-weight: 650; }
.answer h1 { font-size: 1.22rem; }
.answer h2 { font-size: 1.1rem; }
.answer h3 { font-size: 1rem; }
.answer h4, .answer h5, .answer h6 { font-size: 0.95rem; }
.answer strong { font-weight: 650; }
.answer a { text-underline-offset: 2px; }
.answer code { font-size: 0.86em; background: var(--bg-muted); padding: 0.12em 0.36em; border-radius: 5px; }
.answer pre { background: var(--bg-subtle); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; overflow-x: auto; font-size: 0.84rem; line-height: 1.55; }
.answer pre code { background: none; padding: 0; font-size: inherit; }
.answer blockquote { margin: 0.7em 0; padding: 0.1em 0 0.1em 0.9em; border-left: 3px solid var(--line-strong); color: var(--body); }
.answer hr { border: none; border-top: 1px solid var(--line); margin: 1.1em 0; }
.answer .table-wrap { overflow-x: auto; margin: 0.8em 0 1em; border: 1px solid var(--line); border-radius: var(--radius); }
.answer table { border-collapse: collapse; width: 100%; font-size: 0.87rem; }
.answer th, .answer td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.answer th { background: var(--bg-subtle); color: var(--muted); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.02em; }
.answer tbody tr:last-child td { border-bottom: none; }
.answer tbody tr:hover td { background: var(--bg-subtle); }

/* The caret while an answer streams in. */
.answer.streaming > :last-child::after {
    content: "";
    display: inline-block;
    width: 7px;
    height: 1em;
    margin-left: 3px;
    vertical-align: -0.15em;
    background: var(--brand);
    border-radius: 1px;
    animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; margin-top: 12px; font-size: 0.76rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.meta .sep { color: var(--line-strong); }

.msg-actions { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0 0 -10px; }
.msg-actions .btn-ghost[aria-expanded="true"] { background: var(--bg-muted); color: var(--ink); }

/* Progress while an answer is being worked out. */
.working { display: flex; flex-direction: column; gap: 10px; padding-top: 3px; }
.thinking { display: flex; align-items: center; gap: 10px; font-size: 0.87rem; color: var(--muted); }
.dots { display: inline-flex; gap: 4px; }
.dots span { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-gradient); animation: bounce 1.2s infinite ease-in-out both; }
.dots span:nth-child(2) { animation-delay: 0.15s; }
.dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes bounce { 0%, 70%, 100% { transform: scale(0.65); opacity: 0.4; } 35% { transform: scale(1.1); opacity: 1; } }

.steps { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.step-node { display: inline-flex; align-items: center; gap: 6px; font-size: 0.78rem; color: var(--muted); white-space: nowrap; }
.step-dot { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 0.64rem; font-weight: 600; border: 1.5px solid var(--line-strong); background: var(--bg); color: var(--muted); transition: all var(--ease); }
.step-dot .icon { font-size: 11px; }
.step-node.done { color: var(--ink); }
.step-node.done .step-dot { background: var(--ink); border-color: var(--ink); color: #FFFFFF; }
.step-node.active { color: var(--brand); font-weight: 550; }
.step-node.active .step-dot { background: var(--brand); border-color: var(--brand); color: #FFFFFF; animation: ring 1.3s ease-out infinite; }
.step-time { color: var(--muted); font-weight: 400; }
.step-wire { width: 16px; height: 1.5px; background: var(--line-strong); flex: none; }
.step-wire.done { background: var(--ink); }
@keyframes ring { 0% { box-shadow: 0 0 0 0 rgba(72, 86, 253, 0.4); } 70% { box-shadow: 0 0 0 7px rgba(72, 86, 253, 0); } 100% { box-shadow: 0 0 0 0 rgba(72, 86, 253, 0); } }

/* Choices offered with a clarifying question. */
.choices { margin-top: 14px; padding: 14px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--bg-subtle); }
.choices-label { font-size: 0.78rem; color: var(--muted); margin-bottom: 10px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 13px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: var(--bg);
    font-size: 0.86rem;
    color: var(--body);
    transition: all var(--ease);
}
.chip:hover { border-color: var(--muted); color: var(--ink); }
.chip[aria-pressed="true"] { border-color: var(--brand); background: var(--brand); color: #FFFFFF; }

/* A question that could not be answered. */
.failure .alert { margin-bottom: 10px; }

/* ---------- Answer details ---------- */

.details { margin-top: 10px; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; animation: rise 0.18s ease-out; }
.tabs { display: flex; gap: 2px; padding: 6px 6px 0; border-bottom: 1px solid var(--line); background: var(--bg-subtle); overflow-x: auto; }
.tab {
    border: none;
    background: transparent;
    padding: 8px 12px 9px;
    font-size: 0.84rem;
    font-weight: 550;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    white-space: nowrap;
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--brand); }
.tab-panel { padding: 14px; display: flex; flex-direction: column; gap: 12px; }
.panel-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.panel-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase; color: var(--muted); }
.panel-note { font-size: 0.78rem; color: var(--muted); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-family: var(--mono); font-size: 0.75rem; padding: 2px 8px; border-radius: 6px; background: var(--bg-muted); color: var(--body); }

.grid-table { overflow: auto; max-height: 380px; border: 1px solid var(--line); border-radius: var(--radius); }
.grid-table table { border-collapse: collapse; width: 100%; font-size: 0.82rem; font-variant-numeric: tabular-nums; }
.grid-table th, .grid-table td { padding: 7px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; max-width: 360px; overflow: hidden; text-overflow: ellipsis; }
.grid-table th { position: sticky; top: 0; background: var(--bg-subtle); color: var(--muted); font-weight: 600; font-size: 0.74rem; z-index: 1; }
.grid-table td.num { text-align: right; }
.grid-table th.num { text-align: right; }
.grid-table td.null { color: var(--placeholder); font-style: italic; }
.grid-table tbody tr:last-child td { border-bottom: none; }
.grid-table tbody tr:hover td { background: var(--bg-subtle); }

.bars { display: flex; flex-direction: column; gap: 6px; }
.bar-row { display: grid; grid-template-columns: minmax(80px, 30%) 1fr minmax(64px, auto); align-items: center; gap: 10px; font-size: 0.8rem; }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--body); }
.bar-track { height: 10px; background: var(--bg-muted); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--brand-gradient); border-radius: 999px; min-width: 2px; }
.bar-value { font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 500; text-align: right; }

.task { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; font-size: 0.84rem; }
.task-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-weight: 600; }
.task-head .badges { display: inline-flex; gap: 6px; flex: none; }
.task-line { color: var(--muted); font-size: 0.8rem; }

/* ---------- Composer ---------- */

.composer-dock { padding: 0 24px 14px; background: linear-gradient(to bottom, rgba(255, 255, 255, 0), var(--bg) 24px); }
.composer {
    max-width: calc(var(--column) - 48px);
    margin: 0 auto;
    display: flex;
    align-items: flex-end;
    gap: 8px;
    padding: 8px 8px 8px 16px;
    border: 1px solid var(--line-strong);
    border-radius: 20px;
    background: var(--bg);
    box-shadow: var(--shadow);
    transition: border-color var(--ease), box-shadow var(--ease);
}
.composer:focus-within { border-color: var(--brand); box-shadow: var(--ring), var(--shadow); }
.composer textarea:focus-visible { box-shadow: none; }
.composer textarea {
    flex: 1;
    resize: none;
    border: none;
    outline: none;
    background: transparent;
    padding: 7px 0;
    max-height: 200px;
    line-height: 1.5;
    font-size: 0.95rem;
}
.composer textarea::placeholder { color: var(--placeholder); }
.send {
    width: 36px;
    height: 36px;
    flex: none;
    border: none;
    border-radius: 12px;
    background: var(--brand-gradient-solid);
    color: #FFFFFF;
    display: grid;
    place-items: center;
    font-size: 18px;
    transition: background var(--ease), opacity var(--ease);
}
.send:not(:disabled):hover { background: var(--brand-hover); }
.send:disabled { background: var(--line-strong); cursor: not-allowed; }
.disclaimer { text-align: center; font-size: 0.72rem; color: var(--muted); margin-top: 8px; }

/* ---------- Schema ---------- */

.page-schema { overflow-y: auto; }
.schema-column { max-width: 900px; width: 100%; margin: 0 auto; padding: 36px 24px 48px; }
.page-head { margin-bottom: 22px; }
.page-head .lead { margin-top: 6px; max-width: 70ch; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.stat { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 14px 16px; }
.stat-value { font-size: 1.5rem; font-weight: 650; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 0.8rem; color: var(--muted); }

.search { position: relative; display: block; margin-bottom: 14px; }
.search > .icon { position: absolute; left: 12px; top: 12px; font-size: 16px; color: var(--muted); }
.search .input { padding-left: 36px; }

.table-list { display: flex; flex-direction: column; gap: 8px; }
.table-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--bg); transition: border-color var(--ease), box-shadow var(--ease); }
.table-card:hover { border-color: var(--line-strong); }
.table-card[open] { box-shadow: var(--shadow-sm); }
.table-card > summary { list-style: none; display: flex; align-items: center; gap: 10px; padding: 12px 14px; cursor: pointer; }
.table-card > summary::-webkit-details-marker { display: none; }
.table-card > summary > .icon { font-size: 17px; color: var(--muted); }
.table-name { font-family: var(--mono); font-size: 0.86rem; font-weight: 500; overflow-wrap: anywhere; }
.table-meta { margin-left: auto; font-size: 0.78rem; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.table-body { padding: 0 14px 14px; display: flex; flex-direction: column; gap: 10px; }
.table-body .grid-table td:first-child { font-family: var(--mono); font-size: 0.8rem; }
.table-body .grid-table td:last-child { color: var(--muted); font-family: var(--mono); font-size: 0.78rem; }
.empty-note { padding: 32px; text-align: center; color: var(--muted); font-size: 0.9rem; border: 1px dashed var(--line); border-radius: var(--radius-lg); }

.skeleton { border-radius: var(--radius-lg); background: linear-gradient(90deg, var(--bg-muted) 25%, var(--bg-subtle) 50%, var(--bg-muted) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ---------- Dialogs ---------- */

.dialog {
    width: min(480px, calc(100vw - 32px));
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    color: var(--ink);
}
.dialog-sm { width: min(400px, calc(100vw - 32px)); }
.dialog::backdrop { background: rgba(11, 16, 51, 0.4); backdrop-filter: blur(2px); }
.dialog[open] { animation: rise 0.2s ease-out; }
.dialog-body { padding: 20px 22px; display: flex; flex-direction: column; gap: 14px; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; margin: -4px -8px 0 0; }
.dialog h2 { font-size: 1.08rem; font-weight: 650; letter-spacing: -0.01em; }
.dialog .field { margin-bottom: 10px; }
.dialog-foot { display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.dialog-foot .hint { margin-right: auto; }

.dropzone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    border: 1.5px dashed var(--line-strong);
    border-radius: var(--radius-lg);
    background: var(--bg-subtle);
    color: var(--body);
    font-size: 0.88rem;
    cursor: pointer;
    transition: border-color var(--ease), background var(--ease);
}
.dropzone:hover, .dropzone.is-over { border-color: var(--brand); background: var(--brand-wash); }
.dropzone .icon { font-size: 18px; color: var(--muted); }
[data-import-unlock] { display: flex; flex-direction: column; gap: 12px; }
.dropzone input { position: absolute; opacity: 0; pointer-events: none; width: 1px; }

.facts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.facts li { display: flex; gap: 12px; }
.facts .icon { font-size: 18px; color: var(--muted); margin-top: 2px; }
.facts strong { font-size: 0.88rem; font-weight: 600; }
.facts p { font-size: 0.84rem; color: var(--muted); line-height: 1.5; }

/* ---------- Toasts ---------- */

.toasts { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 60; pointer-events: none; }
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: 380px;
    padding: 11px 14px;
    border-radius: var(--radius);
    background: var(--navy);
    color: #F7F8FC;
    font-size: 0.86rem;
    box-shadow: var(--shadow-lg);
    animation: rise 0.2s ease-out;
    pointer-events: auto;
}
.toast .icon { font-size: 16px; flex: none; }
.toast-ok .icon { color: #4ADE80; }
.toast-error .icon { color: #F87171; }
.toast.leaving { opacity: 0; transform: translateY(4px); transition: all 0.2s ease; }

/* ---------- Scrollbars ---------- */

* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }

/* ---------- Narrow screens ---------- */

@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 40;
        transform: translateX(-100%);
        transition: transform 0.22s ease;
    }
    /* Only when open: a shadow on the closed panel would leak in at the screen's left edge. */
    .app.sidebar-open .sidebar { transform: none; box-shadow: var(--shadow-lg); }
    .scrim { position: fixed; inset: 0; background: rgba(11, 16, 51, 0.35); z-index: 30; }
    .only-mobile { display: inline-grid; }
    .topbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 8px 10px;
        border-bottom: 1px solid var(--line);
        background: var(--bg);
    }
}

@media (max-width: 640px) {
    body { font-size: 14.5px; }
    .chat-column { padding: 20px 16px 16px; }
    .composer-dock { padding: 0 12px 10px; }
    .suggestions { grid-template-columns: 1fr; }
    .empty { min-height: calc(100vh - 240px); }
    .title-xl { font-size: 1.5rem; }
    .bubble { max-width: 88%; }
    /* The avatar column costs too much width on a phone; answers use the full width. */
    .msg-bot .avatar { display: none; }
    .msg-bot { gap: 0; }
    .step-node:not(.active) .stage-title { display: none; }
    .grid-2 { grid-template-columns: 1fr; }
    .step { padding: 18px 16px 14px; }
    .view-setup { padding: 28px 14px 48px; }
    .card-narrow { padding: 24px 20px; }
    .stats { gap: 8px; }
    .stat { padding: 10px 12px; }
    .stat-value { font-size: 1.2rem; }
    .schema-column { padding: 24px 16px 40px; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .segmented { display: flex; }
    .segmented button { flex: 1; }
    .toasts { left: 12px; right: 12px; bottom: 90px; }
    .toast { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}