/* Unified Research (/unified-rag) — flagship cross-domain advisory QnA + draft review.
   Linked globally from App.razor (page is prerender:false; HeadContent can't deliver css).
   Everything scoped under .unified-page. Design language: ink + paper + brass accent,
   four domain hues as the information system (DT indigo / GST teal / INTL azure / Corp plum),
   serif for opinion text, uppercase letter-spaced eyebrows. */

.unified-page {
    --u-ink: #1b2422;
    --u-ink2: #4a5653;
    --u-ink3: #7c8683;
    --u-paper: #f6f7f5;
    --u-line: #e1e5e2;
    --u-line-soft: #edf0ee;
    --u-brass: #8a6d2f;
    --u-brass-soft: #f3eddd;
    --u-dt: #3f5bd9;   --u-dt-soft: #ebeefb;
    --u-gst: #148a70;  --u-gst-soft: #e5f3ef;
    --u-intl: #0e7cb8; --u-intl-soft: #e5f1f8;
    --u-corp: #8e4b9e; --u-corp-soft: #f4ebf6;
    --u-good: #2e7d53; --u-good-soft: #e4f1e9;
    --u-risk: #a64b2a; --u-risk-soft: #f7eae3;
    --u-serif: Charter, "Bitstream Charter", Cambria, Georgia, serif;
    --u-shadow: 0 1px 2px rgba(27, 36, 34, .05), 0 10px 30px -12px rgba(27, 36, 34, .18);
    color: var(--u-ink);
}

/* ============ header ============ */
.unified-page .u-hero {
    position: relative;
    padding: 1.5rem 0 1.15rem;
    margin-bottom: 1.5rem;
}
.unified-page .u-hero::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--u-dt) 0%, var(--u-intl) 34%, var(--u-gst) 67%, var(--u-corp) 100%);
}
.unified-page .u-eyebrow {
    font-size: .68rem; font-weight: 750; letter-spacing: .16em;
    text-transform: uppercase; color: var(--u-brass);
}
.unified-page .u-hero h1 {
    margin: .15rem 0 .2rem;
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    font-weight: 760; letter-spacing: -.015em; line-height: 1.15;
}
.unified-page .u-hero h1 .u-dots { display: inline-flex; gap: 5px; margin-left: .6rem; vertical-align: middle; }
.unified-page .u-hero h1 .u-dots i {
    width: 9px; height: 9px; border-radius: 99px; display: inline-block;
}
.unified-page .u-hero .u-sub { color: var(--u-ink3); font-size: .92rem; max-width: 62ch; }
.unified-page .u-pill {
    font-size: .72rem; font-weight: 600; padding: 4px 12px; border: 1px solid var(--u-line);
    border-radius: 99px; color: var(--u-ink2); white-space: nowrap; background: #fff;
}

/* ============ segmented mode control ============ */
.unified-page .u-seg {
    display: inline-flex; gap: 4px; padding: 4px;
    background: var(--u-line-soft); border-radius: 12px;
}
.unified-page .u-seg button {
    border: 0; background: transparent; border-radius: 9px;
    padding: .5rem 1.15rem; font-size: .86rem; font-weight: 650; color: var(--u-ink2);
    display: inline-flex; align-items: center; gap: .45rem;
    transition: background .18s, color .18s, box-shadow .18s;
}
.unified-page .u-seg button:hover:not(.active):not(:disabled) { color: var(--u-ink); }
.unified-page .u-seg button.active {
    background: var(--u-ink); color: #fff;
    box-shadow: 0 2px 8px -2px rgba(27, 36, 34, .4);
}
.unified-page .u-seg-hint { font-size: .8rem; color: var(--u-ink3); }

/* ============ cards ============ */
.unified-page .u-card {
    background: #fff; border: 1px solid var(--u-line);
    border-radius: 14px; box-shadow: var(--u-shadow);
}
.unified-page .u-card-h {
    padding: .8rem 1.35rem; font-size: .7rem; font-weight: 700; letter-spacing: .09em;
    text-transform: uppercase; color: var(--u-ink3);
    border-bottom: 1px solid var(--u-line-soft);
}
.unified-page .u-card-h .k { color: var(--u-brass); }

/* ============ composer ============ */
.unified-page .u-label {
    display: block; font-size: .68rem; font-weight: 750; letter-spacing: .1em;
    text-transform: uppercase; color: var(--u-brass); margin-bottom: .5rem;
}
.unified-page textarea.u-input {
    width: 100%; border: 1px solid var(--u-line); border-radius: 10px;
    background: var(--u-paper); color: var(--u-ink);
    font-size: .98rem; line-height: 1.6; padding: .85rem 1rem;
    transition: border-color .15s, box-shadow .15s, background .15s;
    resize: vertical;
}
.unified-page textarea.u-input::placeholder { color: var(--u-ink3); }
.unified-page textarea.u-input:focus {
    outline: none; background: #fff; border-color: var(--u-ink2);
    box-shadow: 0 0 0 3px rgba(27, 36, 34, .08);
}
.unified-page .u-upload {
    display: inline-flex; align-items: center; gap: .45rem;
    font-size: .8rem; font-weight: 600; color: var(--u-ink2);
    border: 1px dashed var(--u-ink3); border-radius: 9px;
    padding: .4rem .85rem; cursor: pointer; background: transparent;
    transition: color .15s, border-color .15s, background .15s;
    margin-bottom: 0;
}
.unified-page .u-upload:hover { color: var(--u-brass); border-color: var(--u-brass); background: var(--u-brass-soft); }

/* ============ tier picker ============ */
.unified-page .u-tiers { display: flex; gap: .5rem; flex-wrap: wrap; }
.unified-page .u-tier {
    border: 1px solid var(--u-line); background: #fff; border-radius: 11px;
    padding: .5rem .95rem; text-align: left; cursor: pointer;
    transition: border-color .15s, box-shadow .15s, transform .15s;
}
.unified-page .u-tier:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--u-ink3); }
.unified-page .u-tier .t-name { display: flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 700; color: var(--u-ink); }
.unified-page .u-tier .t-desc { display: block; font-size: .68rem; color: var(--u-ink3); margin-top: 1px; }
.unified-page .u-tier.active {
    border-color: var(--u-ink); box-shadow: 0 0 0 1px var(--u-ink), 0 6px 16px -8px rgba(27, 36, 34, .35);
}
.unified-page .u-tier.active .t-name i { color: var(--u-brass); }

/* ============ law chips ============ */
.unified-page .u-chip {
    display: inline-flex; align-items: center; gap: 7px; font-size: .8rem; font-weight: 650;
    padding: 6px 14px; border-radius: 99px; border: 1px solid transparent;
    background: var(--u-line-soft); color: var(--u-ink2); cursor: pointer;
    transition: transform .15s, box-shadow .15s, opacity .15s;
}
.unified-page .u-chip:hover { transform: translateY(-1px); box-shadow: 0 4px 12px -6px rgba(27, 36, 34, .35); }
.unified-page .u-chip .dot { width: 8px; height: 8px; border-radius: 99px; background: currentColor; }
.unified-page .u-chip .conf { font-size: .68rem; opacity: .75; font-weight: 550; font-variant-numeric: tabular-nums; }
.unified-page .u-chip.on.udom-dt   { color: var(--u-dt);   background: var(--u-dt-soft); }
.unified-page .u-chip.on.udom-gst  { color: var(--u-gst);  background: var(--u-gst-soft); }
.unified-page .u-chip.on.udom-intl { color: var(--u-intl); background: var(--u-intl-soft); }
.unified-page .u-chip.on.udom-corp { color: var(--u-corp); background: var(--u-corp-soft); }
.unified-page .u-chip.off {
    color: var(--u-ink3); background: transparent; border: 1px dashed var(--u-line); font-weight: 500;
}
.unified-page .u-chip.off .dot { background: var(--u-line); outline: 1px solid var(--u-ink3); outline-offset: 1px; }

/* small non-interactive domain tag */
.unified-page .u-tag, .unified-page .u-lawtag {
    font-size: .66rem; font-weight: 700; padding: 2px 9px; border-radius: 99px; white-space: nowrap;
}
.unified-page .u-tag.udom-dt, .unified-page .u-lawtag.udom-dt     { color: var(--u-dt);   background: var(--u-dt-soft); }
.unified-page .u-tag.udom-gst, .unified-page .u-lawtag.udom-gst   { color: var(--u-gst);  background: var(--u-gst-soft); }
.unified-page .u-tag.udom-intl, .unified-page .u-lawtag.udom-intl { color: var(--u-intl); background: var(--u-intl-soft); }
.unified-page .u-tag.udom-corp, .unified-page .u-lawtag.udom-corp { color: var(--u-corp); background: var(--u-corp-soft); }

/* ============ buttons ============ */
.unified-page .u-btn {
    display: inline-flex; align-items: center; gap: .5rem;
    border-radius: 10px; padding: .55rem 1.3rem; font-size: .86rem; font-weight: 680;
    border: 1px solid transparent; transition: transform .15s, box-shadow .15s, background .15s;
    text-decoration: none;
}
.unified-page .u-btn:disabled { opacity: .45; }
.unified-page .u-btn-primary { background: var(--u-ink); color: #fff; }
.unified-page .u-btn-primary:hover:not(:disabled) {
    transform: translateY(-1px); box-shadow: 0 8px 20px -8px rgba(27, 36, 34, .55); color: #fff;
}
.unified-page .u-btn-ghost { background: #fff; color: var(--u-ink2); border-color: var(--u-line); }
.unified-page .u-btn-ghost:hover:not(:disabled) { color: var(--u-ink); border-color: var(--u-ink3); transform: translateY(-1px); }
.unified-page .u-btn-link { background: none; border: 0; color: var(--u-ink3); font-size: .82rem; font-weight: 600; text-decoration: underline; }
.unified-page .u-btn-link:hover { color: var(--u-ink); }

/* ============ premium upsell strip ============ */
.unified-page .u-upsell {
    display: flex; align-items: center; gap: .6rem;
    border: 1px dashed var(--u-brass); border-radius: 10px;
    background: var(--u-brass-soft); color: var(--u-ink2);
    padding: .55rem .9rem; font-size: .82rem;
}
.unified-page .u-upsell i { color: var(--u-brass); font-size: 1rem; }
.unified-page .u-upsell b { color: var(--u-ink); }

/* ============ run progress ============ */
.unified-page .u-run { display: flex; align-items: center; gap: .55rem; flex-wrap: wrap; }
.unified-page .u-runmsg { font-size: .84rem; color: var(--u-ink2); display: inline-flex; align-items: center; gap: .5rem; }
.unified-page .u-runpill {
    display: inline-flex; align-items: center; gap: .4rem;
    font-size: .74rem; font-weight: 650; padding: 4px 11px; border-radius: 99px;
    border: 1px solid var(--u-line); color: var(--u-ink3); background: #fff;
}
.unified-page .u-runpill.running { border-color: var(--u-brass); color: var(--u-brass); animation: u-pulse 1.6s ease-in-out infinite; }
.unified-page .u-runpill.done { border-color: transparent; color: var(--u-good); background: var(--u-good-soft); }
@keyframes u-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(138, 109, 47, .35); }
    50% { box-shadow: 0 0 0 6px rgba(138, 109, 47, 0); }
}

/* ============ example questions (empty state) ============ */
.unified-page .u-examples { margin-top: 1.4rem; }
.unified-page .u-examples .u-ex-h {
    font-size: .68rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase;
    color: var(--u-ink3); margin-bottom: .6rem;
}
.unified-page .u-example {
    display: block; width: 100%; text-align: left;
    background: #fff; border: 1px solid var(--u-line); border-radius: 11px;
    padding: .8rem 1rem; margin-bottom: .55rem; cursor: pointer;
    font-family: var(--u-serif); font-style: italic; font-size: .9rem; color: var(--u-ink2);
    transition: border-color .15s, transform .15s, box-shadow .15s;
}
.unified-page .u-example:hover {
    border-color: var(--u-brass); transform: translateY(-1px);
    box-shadow: 0 6px 16px -10px rgba(138, 109, 47, .5);
}
.unified-page .u-example .u-ex-laws { display: flex; gap: .35rem; margin-top: .45rem; font-style: normal; }

/* ============ synthesis cards ============ */
.unified-page .u-exec {
    padding: 1.15rem 1.4rem 1.25rem;
    font-family: var(--u-serif); font-size: 1.03rem; line-height: 1.7; color: var(--u-ink);
}
.unified-page .u-exec > :last-child { margin-bottom: 0; }
.unified-page .u-exec p { margin: 0 0 .8rem; }
.unified-page .u-exec h1, .unified-page .u-exec h2, .unified-page .u-exec h3, .unified-page .u-exec h4 {
    font-family: inherit; font-size: 1.08rem; font-weight: 700; margin: 1rem 0 .45rem;
}
.unified-page .u-exec table { display: block; overflow-x: auto; max-width: 100%; border-collapse: collapse; font-size: .9rem; }
.unified-page .u-exec table td, .unified-page .u-exec table th { border: 1px solid var(--u-line); padding: .4rem .6rem; }

/* interplay: brass spine + soft wash; markdown bold-lines read as headings */
.unified-page .u-inter {
    border-left: 3px solid var(--u-brass);
    background: linear-gradient(90deg, var(--u-brass-soft) 0, #fff 160px);
    border-radius: 0 14px 14px 0;
}
.unified-page .u-inter .u-exec p > strong:first-child { display: block; font-size: 1.05rem; margin-bottom: .1rem; }
.unified-page .u-inter .u-exec li > strong:first-child { font-size: 1.02rem; }

/* action sequence: numbered brass timeline out of the markdown ol */
.unified-page .u-actions .u-exec ol { list-style: none; counter-reset: ustep; margin: 0; padding: 0; }
.unified-page .u-actions .u-exec ol > li {
    counter-increment: ustep; position: relative;
    padding: .7rem 0 .7rem 2.6rem; margin: 0;
    border-bottom: 1px solid var(--u-line-soft);
}
.unified-page .u-actions .u-exec ol > li:last-child { border-bottom: 0; }
.unified-page .u-actions .u-exec ol > li::before {
    content: counter(ustep);
    position: absolute; left: 0; top: .78rem;
    width: 26px; height: 26px; border-radius: 99px;
    background: var(--u-brass-soft); color: var(--u-brass);
    font-family: var(--u-serif); font-weight: 700; font-size: .8rem;
    display: grid; place-items: center;
}

/* ============ per-law opinion sections ============ */
.unified-page .u-law { position: relative; padding-left: 20px; margin-top: 1.9rem; }
.unified-page .u-law::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    border-radius: 3px; background: var(--u-lc, var(--u-line));
}
.unified-page .u-law.udom-dt   { --u-lc: var(--u-dt);   --u-ls: var(--u-dt-soft); }
.unified-page .u-law.udom-gst  { --u-lc: var(--u-gst);  --u-ls: var(--u-gst-soft); }
.unified-page .u-law.udom-intl { --u-lc: var(--u-intl); --u-ls: var(--u-intl-soft); }
.unified-page .u-law.udom-corp { --u-lc: var(--u-corp); --u-ls: var(--u-corp-soft); }
.unified-page .u-law-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .68rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase;
    color: var(--u-lc); background: var(--u-ls); padding: 5px 12px; border-radius: 7px;
}
.unified-page .u-law-body {
    font-family: var(--u-serif); font-size: 1.01rem; line-height: 1.72;
    max-width: 74ch; margin-top: .7rem;
}
.unified-page .u-law-body p { margin: 0 0 .8rem; }
.unified-page .u-law-body h1, .unified-page .u-law-body h2 { font-size: 1.14rem; font-weight: 700; margin: 1.1rem 0 .45rem; }
.unified-page .u-law-body h3 { font-size: 1.06rem; font-weight: 700; margin: 1rem 0 .4rem; }
.unified-page .u-law-body h4, .unified-page .u-law-body h5 { font-size: 1rem; font-weight: 700; margin: .9rem 0 .35rem; }
.unified-page .u-law-body blockquote {
    margin: 0 0 .8rem; font-style: italic; color: var(--u-ink2);
    border-left: 3px solid var(--u-line); padding: .1rem 0 .1rem .85rem;
}
.unified-page .u-law-body table { display: block; overflow-x: auto; max-width: 100%; border-collapse: collapse; font-size: .88rem; }
.unified-page .u-law-body table td, .unified-page .u-law-body table th { border: 1px solid var(--u-line); padding: .4rem .6rem; }
.unified-page .u-law-body hr { border: 0; border-top: 1px solid var(--u-line-soft); margin: 1.1rem 0; }

/* clickable [n] markers */
.unified-page .cite-jump { text-decoration: none; font-weight: 650; color: var(--u-lc, var(--u-brass)); }
.unified-page .cite-jump sup { font-size: .68em; }
.unified-page .cite-jump:hover sup { text-decoration: underline; }

/* ============ verdict chips (review) ============ */
.unified-page .u-verdict {
    font-size: .72rem; font-weight: 750; letter-spacing: .02em;
    padding: 4px 12px; border-radius: 99px; white-space: nowrap;
}
.unified-page .u-verdict.v-ok  { color: var(--u-good);  background: var(--u-good-soft); }
.unified-page .u-verdict.v-upd { color: var(--u-brass); background: var(--u-brass-soft); }
.unified-page .u-verdict.v-bad { color: var(--u-risk);  background: var(--u-risk-soft); }
.unified-page .u-verdict.v-gap { color: var(--u-ink2); background: transparent; border: 1px dashed var(--u-ink3); }

/* review markdown: make "**Verdict:** X" read as a badge-ish line, propositions as cards */
.unified-page .u-law-body h3 { scroll-margin-top: 90px; }

/* ============ gaps ============ */
.unified-page .u-gap { display: grid; grid-template-columns: auto 1fr; gap: 12px; padding: .8rem 0; border-bottom: 1px solid var(--u-line-soft); }
.unified-page .u-gap:last-child { border-bottom: 0; }
.unified-page .u-gap .gi {
    width: 26px; height: 26px; border-radius: 99px; border: 1.5px dashed var(--u-risk);
    color: var(--u-risk); font-weight: 750; font-size: .8rem;
    display: grid; place-items: center; align-self: start; margin-top: 2px;
}
.unified-page .u-gap h6 { margin: 0 0 3px; font-weight: 700; font-size: .92rem; }
.unified-page .u-gap p { margin: 0; font-size: .86rem; color: var(--u-ink2); }

/* ============ authorities rail ============ */
.unified-page .u-rail { position: sticky; top: 14px; }
.unified-page .u-agroup { padding: .6rem 1.1rem .7rem; }
.unified-page .u-agroup + .u-agroup { border-top: 1px solid var(--u-line-soft); }
.unified-page .u-agroup .gh {
    display: flex; align-items: center; gap: 7px;
    font-size: .66rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase;
    margin-bottom: .35rem;
}
.unified-page .u-agroup .gh .dot { width: 7px; height: 7px; border-radius: 99px; }
.unified-page .u-aitem {
    display: grid; grid-template-columns: auto 1fr; gap: 9px;
    padding: .45rem .5rem; margin: 0 -.5rem; border-radius: 9px;
    font-size: .8rem; scroll-margin-top: 90px;
    transition: background .2s;
}
.unified-page .u-aitem:hover { background: var(--u-paper); }
.unified-page .u-aitem:target { background: var(--u-brass-soft); }
.unified-page .u-aitem .no { font-size: .66rem; font-weight: 650; color: var(--u-ink3); padding-top: 3px; font-variant-numeric: tabular-nums; }
.unified-page .u-aitem .nm { font-weight: 650; line-height: 1.35; }
.unified-page .u-aitem .meta { color: var(--u-ink3); font-size: .7rem; margin-top: 2px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.unified-page .u-kind {
    font-size: .58rem; font-weight: 750; letter-spacing: .05em; padding: 2px 7px;
    border-radius: 5px; background: var(--u-line-soft); color: var(--u-ink2); text-transform: uppercase;
}

/* ============ proposition preview (review detect stage) ============ */
.unified-page .u-prop {
    border: 1px solid var(--u-line); border-radius: 11px;
    padding: .75rem 1rem; margin-bottom: .55rem; background: #fff;
}
.unified-page .u-prop .hd { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; font-size: .72rem; color: var(--u-ink3); font-weight: 600; }
.unified-page .u-prop blockquote {
    margin: .4rem 0 0; font-family: var(--u-serif); font-style: italic;
    font-size: .9rem; color: var(--u-ink2);
    border-left: 3px solid var(--u-line); padding-left: .75rem;
}

/* ============ entrance motion ============ */
@media (prefers-reduced-motion: no-preference) {
    .unified-page .u-rise { animation: u-rise .5s ease both; }
    .unified-page .u-rise-1 { animation-delay: .05s; }
    .unified-page .u-rise-2 { animation-delay: .12s; }
    .unified-page .u-rise-3 { animation-delay: .19s; }
    .unified-page .u-rise-4 { animation-delay: .26s; }
    @keyframes u-rise {
        from { opacity: 0; transform: translateY(8px); }
        to { opacity: 1; transform: none; }
    }
    .unified-page .u-chip { animation: u-rise .35s ease both; }
}

/* focus visibility */
.unified-page button:focus-visible,
.unified-page .u-example:focus-visible,
.unified-page .u-upload:focus-within,
.unified-page a:focus-visible {
    outline: 2px solid var(--u-brass); outline-offset: 2px;
}

@media (max-width: 991px) {
    .unified-page .u-rail { position: static; }
}