:root {
    --research-purple: #5a568d;
    --research-purple-deep: #3f3a67;
    --research-purple-soft: #f4f2f7;
    --research-ink: #23212b;
    --research-ink-soft: #5f5b66;
    --research-paper: #fcfbfa;
    --research-white: #ffffff;
    --research-rule: #e4e1e6;
    --research-rule-strong: #c9c4ce;
    --research-focus: #806bc1;
    --research-max: 1180px;
    --research-reading: 760px;
    --font-display: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--research-paper);
    color: var(--research-ink);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body:has(#password-overlay:not(.hidden)) {
    overflow: hidden;
}

a {
    color: var(--research-purple-deep);
}

a:hover {
    color: var(--research-purple);
}

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--research-focus) 62%, white);
    outline-offset: 3px;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    z-index: 200;
    top: 0.75rem;
    left: 0.75rem;
    transform: translateY(-150%);
    background: var(--research-purple-deep);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 0.25rem;
}

.skip-link:focus {
    transform: translateY(0);
}

/* Shared presentation gate. It mirrors the existing dashboard state without
   implying server-side protection for static files. */
#password-overlay {
    position: fixed;
    z-index: 100;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 1.25rem;
    background: #f3f0f6;
}

.password-modal {
    width: min(100%, 410px);
    padding: 2.25rem;
    border: 1px solid var(--research-rule);
    border-top: 5px solid var(--research-purple);
    background: var(--research-white);
    box-shadow: 0 24px 70px rgba(45, 36, 61, 0.12);
}

.password-eyebrow,
.eyebrow,
.audience-label {
    margin: 0;
    color: var(--research-ink-soft);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.055em;
    line-height: 1.4;
    text-transform: uppercase;
}

.password-modal h2 {
    margin: 0.4rem 0 0.5rem;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.15;
}

.password-modal p {
    color: var(--research-ink-soft);
}

.password-modal input {
    width: 100%;
    min-height: 50px;
    margin-top: 0.4rem;
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--research-rule-strong);
    border-radius: 0.25rem;
    background: white;
}

.password-modal button {
    width: 100%;
    min-height: 50px;
    margin-top: 0.75rem;
    border: 1px solid var(--research-purple-deep);
    border-radius: 0.25rem;
    background: var(--research-purple-deep);
    color: white;
    cursor: pointer;
    font-weight: 700;
}

.password-modal button:hover {
    background: var(--research-purple);
}

.password-error {
    min-height: 1.5em;
    margin-bottom: 0;
    color: #9e2f3d !important;
    font-weight: 600;
}

.research-site-header {
    border-bottom: 1px solid var(--research-rule);
    background: color-mix(in srgb, var(--research-paper) 94%, white);
}

.research-nav {
    width: min(calc(100% - 2rem), var(--research-max));
    min-height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.research-nav-brand {
    display: inline-flex;
    align-items: center;
}

.research-nav-brand img {
    display: block;
    width: auto;
    height: 38px;
}

.research-nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.research-nav-links a {
    position: relative;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    color: var(--research-ink-soft);
    font-size: 0.94rem;
    font-weight: 600;
    text-decoration: none;
}

.research-nav-links a:hover,
.research-nav-links a[aria-current="page"] {
    color: var(--research-purple-deep);
}

.research-nav-links a[aria-current="page"]::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0.45rem;
    left: 0;
    height: 2px;
    background: var(--research-purple);
}

main {
    width: min(calc(100% - 2rem), var(--research-max));
    margin: 0 auto;
}

.library-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.78fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
    padding: clamp(3.75rem, 7vw, 5.5rem) 0 clamp(3rem, 5vw, 4.25rem);
}

.library-hero h1 {
    max-width: 650px;
    margin: 0.65rem 0 0;
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 5.2vw, 4.35rem);
    font-weight: 600;
    letter-spacing: -0.028em;
    line-height: 1.04;
}

.library-intro {
    margin: 0;
    color: var(--research-ink-soft);
    font-family: var(--font-display);
    font-size: clamp(1.08rem, 1.7vw, 1.28rem);
    line-height: 1.58;
}

.resource-index {
    border-top: 1px solid var(--research-rule-strong);
}

.resource-row {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) 164px;
    gap: clamp(1rem, 2.5vw, 2.25rem);
    padding: clamp(1.75rem, 3vw, 2.5rem) 0;
    border-bottom: 1px solid var(--research-rule);
}

.resource-number {
    margin: 0;
    color: var(--research-ink-soft);
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 600;
    font-variant-numeric: lining-nums tabular-nums;
}

.resource-copy {
    max-width: 760px;
}

.resource-copy h2 {
    margin: 0.45rem 0 0.7rem;
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 2.5vw, 2.15rem);
    font-weight: 600;
    letter-spacing: -0.014em;
    line-height: 1.2;
}

.resource-copy h2 a {
    color: var(--research-ink);
    text-decoration-color: color-mix(in srgb, var(--research-purple) 30%, transparent);
    text-decoration-thickness: 1px;
    text-underline-offset: 5px;
}

.resource-copy > p:not(.audience-label):not(.resource-meta) {
    margin: 0;
    color: var(--research-ink-soft);
    font-size: 1rem;
}

.resource-meta {
    margin: 0.9rem 0 0;
    color: var(--research-ink-soft);
    font-size: 0.84rem;
    font-weight: 500;
}

.resource-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
}

.primary-action,
.secondary-action {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 0.9rem;
    border-radius: 0.25rem;
    font-size: 0.88rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
}

.primary-action {
    border: 1px solid var(--research-rule-strong);
    background: var(--research-white);
    color: var(--research-purple-deep);
}

.primary-action:hover {
    border-color: var(--research-purple);
    background: var(--research-purple-soft);
    color: var(--research-purple-deep);
}

.secondary-action {
    border: 1px solid transparent;
    background: transparent;
    color: var(--research-ink-soft);
}

.secondary-action:hover {
    border-color: var(--research-rule);
    background: var(--research-white);
}

.article-actions button.secondary-action {
    cursor: pointer;
    font-family: var(--font-body);
}

.assistant-conversation:not(:empty) {
    margin: 0 0 1.25rem;
    padding: 1.25rem;
    border: 1px solid var(--research-rule);
    background: var(--research-paper);
}

.assistant-question {
    width: fit-content;
    max-width: min(92%, 620px);
    margin: 0 0 1.15rem auto;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--research-rule);
    border-radius: 0.25rem;
    background: var(--research-purple-soft);
    color: var(--research-ink);
    font-size: 0.92rem;
    line-height: 1.5;
}

.assistant-answer {
    margin-bottom: 2rem;
}

.assistant-answer:last-child {
    margin-bottom: 0;
}

.assistant-answer-section + .assistant-answer-section {
    margin-top: 1.5rem;
    padding-top: 1.35rem;
    border-top: 1px solid var(--research-rule);
}

.assistant-answer-section h3,
.assistant-evidence h4 {
    margin: 0 0 0.45rem;
    color: var(--research-ink-soft);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.4;
    text-transform: none;
}

.assistant-section-body {
    color: var(--research-ink);
    font-family: var(--font-display);
    font-size: 1.06rem;
    line-height: 1.65;
    white-space: pre-wrap;
}

.assistant-answer-limits .assistant-section-body {
    color: var(--research-ink-soft);
}

.assistant-answer-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.85rem;
}

.assistant-copy-answer {
    min-height: 36px;
    padding: 0.35rem 0;
    border: 0;
    border-bottom: 1px solid var(--research-rule-strong);
    background: transparent;
    color: var(--research-ink-soft);
    cursor: pointer;
    font: inherit;
    font-size: 0.76rem;
    font-weight: 600;
}

.assistant-copy-answer:hover {
    border-color: var(--research-purple);
    color: var(--research-purple-deep);
}

.assistant-evidence {
    margin-top: 1.6rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--research-rule-strong);
}

.assistant-evidence-item {
    border-bottom: 1px solid var(--research-rule);
}

.assistant-evidence-item summary {
    min-height: 44px;
    padding: 0.65rem 1.5rem 0.65rem 0;
    color: var(--research-ink);
    cursor: pointer;
    font-size: 0.88rem;
    font-weight: 600;
}

.assistant-evidence-item p {
    margin: 0 0 0.75rem;
    color: var(--research-ink-soft);
    font-family: var(--font-display);
    font-size: 0.95rem;
    line-height: 1.6;
}

.assistant-source-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    padding-bottom: 0.9rem;
}

.assistant-source-links a {
    font-size: 0.8rem;
    font-weight: 500;
    text-underline-offset: 3px;
}

.assistant-form > label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--research-ink);
    font-size: 0.84rem;
    font-weight: 600;
}

.assistant-form textarea {
    width: 100%;
    min-height: 92px;
    resize: vertical;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--research-rule-strong);
    border-radius: 0.25rem;
    background: white;
    color: var(--research-ink);
    line-height: 1.5;
}

.assistant-scope-label {
    font-size: 0.8rem;
    font-weight: 600;
}

.assistant-controls {
    display: flex;
    justify-content: flex-end;
    gap: 0.55rem;
}

.assistant-submit,
.assistant-stop {
    min-height: 44px;
    padding: 0.62rem 0.9rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-weight: 600;
}

.assistant-submit {
    border: 1px solid var(--research-rule-strong);
    background: var(--research-white);
    color: var(--research-purple-deep);
}

.assistant-submit:hover {
    border-color: var(--research-purple);
    background: var(--research-purple-soft);
}

.assistant-submit:disabled {
    cursor: wait;
    opacity: 0.62;
}

.assistant-stop {
    border: 1px solid var(--research-rule-strong);
    background: transparent;
    color: var(--research-purple-deep);
}

.assistant-status {
    min-height: 1.5em;
    margin: 0.6rem 0 0;
    color: var(--research-ink-soft);
    font-size: 0.8rem;
}

.assistant-privacy {
    margin: 1rem 0 0;
    padding-top: 0.9rem;
    border-top: 1px solid var(--research-rule);
    color: var(--research-ink-soft);
    font-size: 0.76rem;
    line-height: 1.5;
}

.research-footer {
    width: min(calc(100% - 2rem), var(--research-max));
    margin: 0 auto;
    padding: 2rem 0 3rem;
    border-top: 1px solid var(--research-rule);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: var(--research-ink-soft);
    font-size: 0.82rem;
    line-height: 1.55;
}

.research-footer img {
    display: block;
    width: auto;
    height: 22px;
}

.article-mast {
    max-width: var(--research-reading);
    margin: 0 auto;
    padding: clamp(3rem, 6vw, 4.75rem) 0 2.25rem;
    border-bottom: 1px solid var(--research-rule);
}

.article-mast h1 {
    margin: 0.55rem 0 0.85rem;
    font-family: var(--font-display);
    font-size: clamp(2.35rem, 4.8vw, 3.65rem);
    font-weight: 600;
    letter-spacing: -0.027em;
    line-height: 1.08;
}

.article-deck {
    max-width: 680px;
    margin: 0;
    color: var(--research-ink-soft);
    font-family: var(--font-display);
    font-size: clamp(1.08rem, 1.8vw, 1.28rem);
    line-height: 1.58;
}

.article-actions {
    margin-top: 1.4rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.article-actions .primary-action,
.article-actions .secondary-action {
    min-width: 148px;
}

.article-back {
    margin-top: 1.1rem;
}

.article-back a {
    color: var(--research-ink-soft);
    font-size: 0.92rem;
    font-weight: 600;
    text-underline-offset: 3px;
}

.research-article {
    max-width: var(--research-reading);
    margin: 0 auto;
    padding: clamp(2.25rem, 5vw, 3.75rem) 0 clamp(4rem, 7vw, 6rem);
    font-size: clamp(1rem, 1.2vw, 1.1rem);
    line-height: 1.7;
}

.research-article > :first-child {
    margin-top: 0;
}

.research-article h2 {
    margin: 3.5rem 0 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--research-rule);
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.3rem);
    font-weight: 600;
    letter-spacing: -0.018em;
    line-height: 1.18;
}

.research-article > h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    font-size: clamp(1.55rem, 2.6vw, 2rem);
}

.research-article h3 {
    margin: 2.25rem 0 0.7rem;
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.1vw, 1.7rem);
    font-weight: 600;
    line-height: 1.25;
}

.research-article h4 {
    margin: 2rem 0 0.5rem;
    font-size: 1.08rem;
    line-height: 1.35;
}

.research-article p {
    margin: 0 0 1.25rem;
}

.research-article ul,
.research-article ol {
    margin: 0 0 1.5rem;
    padding-left: 1.4rem;
}

.research-article li {
    margin: 0.5rem 0;
    padding-left: 0.25rem;
}

.research-article a {
    overflow-wrap: anywhere;
    color: var(--research-purple-deep);
    text-decoration-color: color-mix(in srgb, var(--research-purple) 45%, transparent);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.research-article blockquote {
    margin: 2rem 0;
    padding: 0.2rem 0 0.2rem 1.15rem;
    border-left: 2px solid var(--research-rule-strong);
    color: var(--research-ink-soft);
    font-family: var(--font-display);
    font-size: 1.08em;
}

.research-article hr {
    width: 3.5rem;
    margin: 3rem 0;
    border: 0;
    border-top: 1px solid var(--research-rule-strong);
}

.research-article table {
    width: 100%;
    margin: 2rem 0;
    border-collapse: collapse;
    font-size: 0.95rem;
    line-height: 1.5;
}

.research-article th,
.research-article td {
    padding: 0.9rem 0.8rem;
    border-bottom: 1px solid var(--research-rule);
    vertical-align: top;
    text-align: left;
}

.research-article th {
    border-top: 1px solid var(--research-rule-strong);
    color: var(--research-ink);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
}

.research-article tbody tr:nth-child(even) {
    background: color-mix(in srgb, var(--research-paper) 75%, white);
}

@media (max-width: 820px) {
    .library-hero {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .resource-row {
        grid-template-columns: 42px minmax(0, 1fr);
    }

    .resource-actions {
        grid-column: 2;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .resource-actions a {
        flex: 1 1 150px;
    }

}

@media (max-width: 640px) {
    .research-nav {
        min-height: auto;
        padding: 0.8rem 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 0.6rem;
    }

    .research-nav-brand img {
        height: 34px;
    }

    .research-nav-links {
        width: 100%;
        gap: 0.25rem;
        justify-content: space-between;
        overflow-x: auto;
    }

    .research-nav-links a {
        flex: 0 0 auto;
        padding: 0 0.35rem;
        font-size: 0.84rem;
    }

    .library-hero {
        padding-top: 3rem;
    }

    .library-hero h1 {
        font-size: clamp(2.4rem, 11.5vw, 3.35rem);
        line-height: 1.08;
    }

    .resource-row {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }

    .resource-number,
    .resource-actions {
        grid-column: 1;
    }

    .resource-number {
        margin-bottom: 0.25rem;
    }

    .resource-actions {
        margin-top: 0.75rem;
        flex-direction: column;
    }

    .resource-actions a {
        flex: 0 0 auto;
    }

    .research-footer {
        align-items: flex-start;
        flex-direction: column;
    }

    .article-mast {
        padding-top: 3rem;
    }

    .article-mast h1 {
        font-size: clamp(2.2rem, 10vw, 3rem);
    }

    .article-actions {
        flex-direction: column;
    }

    .article-actions a {
        width: 100%;
    }

    .article-actions button {
        width: 100%;
    }

    .assistant-controls {
        justify-content: stretch;
    }

    .assistant-controls button {
        flex: 1 1 0;
    }

    .research-article {
        line-height: 1.68;
    }

    .research-article table,
    .research-article thead,
    .research-article tbody,
    .research-article tr,
    .research-article th,
    .research-article td {
        display: block;
        width: 100%;
    }

    .research-article thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip: rect(0 0 0 0);
        white-space: nowrap;
    }

    .research-article table {
        border-top: 2px solid var(--research-purple-deep);
    }

    .research-article tr {
        padding: 1rem 0;
        border-bottom: 1px solid var(--research-rule-strong);
        background: transparent !important;
    }

    .research-article td {
        display: grid;
        grid-template-columns: minmax(7.5rem, 0.42fr) minmax(0, 1fr);
        gap: 0.85rem;
        padding: 0.45rem 0;
        border: 0;
    }

    .research-article td::before {
        content: attr(data-label);
        color: var(--research-purple-deep);
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.03em;
        line-height: 1.4;
        text-transform: uppercase;
    }
}

/* Persistent research companion */
:root {
    --companion-rail-width: 388px;
    --companion-collapsed-width: 54px;
}

body.companion-ready .research-content {
    transition: padding-right 180ms ease;
}

.research-assistant {
    position: static;
    display: block;
    width: 0;
    height: 0;
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
}

.assistant-panel {
    position: fixed;
    z-index: 80;
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--companion-rail-width);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-left: 1px solid var(--research-rule);
    background: var(--research-white);
    box-shadow: none;
    transition: transform 180ms ease, visibility 180ms ease;
}

.assistant-panel-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.45rem 0.75rem;
    padding: 1rem 1.05rem 0.9rem;
    border-bottom: 1px solid var(--research-rule);
    background: var(--research-white);
}

.assistant-panel-header h2 {
    margin: 0.12rem 0 0;
    font-family: var(--font-display);
    font-size: 1.28rem;
    font-weight: 600;
    letter-spacing: -0.015em;
    line-height: 1.2;
}

.assistant-panel-header .eyebrow {
    color: var(--research-ink-soft);
    font-size: 0.68rem;
    letter-spacing: 0.045em;
}

.assistant-panel-actions {
    display: flex;
    align-items: flex-start;
    gap: 0.25rem;
}

.assistant-text-button,
.assistant-icon-button,
.assistant-scope-mismatch button {
    min-height: 36px;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    background: transparent;
    color: var(--research-ink-soft);
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
}

.assistant-text-button {
    padding: 0.4rem 0.55rem;
    font-size: 0.78rem;
}

.assistant-icon-button {
    min-width: 36px;
    padding: 0.25rem;
    font-size: 1.2rem;
}

.assistant-text-button:hover,
.assistant-icon-button:hover,
.assistant-scope-mismatch button:hover {
    border-color: var(--research-rule);
    background: var(--research-paper);
}

.assistant-panel-header .assistant-scope-label {
    grid-column: 1 / -1;
    margin-top: 0.2rem;
}

.assistant-panel-header select {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 40px;
    padding: 0.55rem 2rem 0.55rem 0.7rem;
    border: 1px solid var(--research-rule-strong);
    border-radius: 0.25rem;
    background: white;
    color: var(--research-ink);
    font: inherit;
}

.assistant-scope-mismatch {
    grid-column: 1 / -1;
    padding: 0.65rem 0.7rem;
    border-left: 1px solid var(--research-rule-strong);
    background: var(--research-paper);
}

.assistant-scope-mismatch p {
    margin: 0 0 0.45rem;
    color: var(--research-ink-soft);
    font-size: 0.78rem;
    line-height: 1.45;
}

.assistant-scope-mismatch button {
    min-height: 32px;
    padding: 0.3rem 0;
    font-size: 0.76rem;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.assistant-conversation-shell {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.9rem 1.05rem 1.15rem;
    background: var(--research-white);
}

.assistant-empty-state {
    padding: 0.2rem 0 0.6rem;
}

.assistant-empty-state > p {
    margin: 0 0 0.85rem;
    color: var(--research-ink-soft);
    font-family: var(--font-display);
    font-size: 0.93rem;
    line-height: 1.55;
}

.assistant-conversation:not(:empty) {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
}

.assistant-question {
    max-width: 88%;
    font-size: 0.84rem;
}

.assistant-answer {
    padding: 0;
    border: 0;
    background: transparent;
}

.assistant-answer + .assistant-question {
    margin-top: 1.65rem;
}

.assistant-section-body {
    font-size: 1rem;
    line-height: 1.58;
}

.assistant-panel-footer {
    flex: 0 0 auto;
    padding: 0.85rem 1.05rem calc(0.8rem + env(safe-area-inset-bottom));
    border-top: 1px solid var(--research-rule);
    background: white;
}

.assistant-panel-footer .assistant-form textarea {
    min-height: 72px;
    max-height: 25dvh;
    resize: none;
}

.assistant-panel-footer .assistant-controls {
    margin-top: 0.6rem;
}

.assistant-panel-footer .assistant-privacy {
    margin-top: 0.65rem;
    padding-top: 0.65rem;
    font-size: 0.68rem;
}

.companion-mobile-launcher,
.companion-desktop-tab {
    position: fixed;
    z-index: 75;
    border: 1px solid var(--research-rule-strong);
    background: var(--research-white);
    color: var(--research-purple-deep);
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(45, 36, 61, 0.1);
}

.companion-desktop-tab {
    top: 50%;
    right: 0;
    width: var(--companion-collapsed-width);
    min-height: 190px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 0.5rem;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
}

.companion-desktop-tab span:last-child {
    color: var(--research-ink-soft);
    font-size: 0.72rem;
    font-weight: 600;
}

.companion-mobile-launcher {
    right: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom));
    display: none;
    align-items: center;
    gap: 0.6rem;
    min-height: 48px;
    padding: 0.62rem 0.8rem;
    border-radius: 0.25rem;
}

.companion-launcher-scope {
    padding-left: 0.6rem;
    border-left: 1px solid var(--research-rule);
    color: var(--research-ink-soft);
    font-size: 0.72rem;
    font-weight: 600;
}

.companion-backdrop {
    position: fixed;
    z-index: 78;
    inset: 0;
    visibility: hidden;
    background: rgba(30, 25, 40, 0.28);
    opacity: 0;
    transition: opacity 180ms ease, visibility 180ms ease;
}

.companion-close {
    display: none;
}

.assistant-confirm-dialog {
    z-index: 120;
    width: min(calc(100% - 2rem), 430px);
    padding: 1.4rem;
    border: 1px solid var(--research-rule-strong);
    border-top: 1px solid var(--research-rule-strong);
    background: white;
    color: var(--research-ink);
    box-shadow: 0 18px 55px rgba(35, 28, 48, 0.16);
}

.assistant-confirm-dialog::backdrop {
    background: rgba(30, 25, 40, 0.32);
}

.assistant-confirm-dialog h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 600;
    line-height: 1.15;
}

.assistant-confirm-dialog p {
    color: var(--research-ink-soft);
}

.assistant-confirm-dialog > div {
    display: flex;
    justify-content: flex-end;
    gap: 0.65rem;
}

@media (min-width: 1180px) {
    body.companion-ready .research-content {
        padding-right: var(--companion-rail-width);
    }

    body.companion-ready.companion-collapsed .research-content {
        padding-right: var(--companion-collapsed-width);
    }

    body.companion-collapsed .assistant-panel {
        visibility: hidden;
        transform: translateX(100%);
    }

    body.companion-collapsed .companion-desktop-tab {
        display: inline-flex;
    }
}

@media (max-width: 1179px) {
    .assistant-panel {
        width: min(100%, 440px);
        height: 100dvh;
        visibility: hidden;
        transform: translateX(100%);
    }

    .companion-collapse {
        display: none;
    }

    .companion-close {
        display: inline-block;
    }

    .companion-mobile-launcher {
        display: inline-flex;
    }

    body.companion-drawer-open {
        overflow: hidden;
    }

    body.companion-drawer-open .assistant-panel {
        visibility: visible;
        transform: translateX(0);
    }

    body.companion-drawer-open .companion-backdrop {
        visibility: visible;
        opacity: 1;
    }

    body.companion-drawer-open .companion-mobile-launcher {
        visibility: hidden;
    }
}

@media (max-width: 520px) {
    .assistant-panel {
        width: 100%;
    }

    .assistant-panel-header {
        padding: 0.9rem 1rem 0.8rem;
    }

    .assistant-conversation-shell {
        padding: 0.85rem 0.9rem 1rem;
    }

    .assistant-panel-footer {
        padding-right: 0.9rem;
        padding-left: 0.9rem;
    }

    .assistant-confirm-dialog > div {
        flex-direction: column-reverse;
    }

    .assistant-confirm-dialog button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    body.companion-ready .research-content,
    .assistant-panel,
    .companion-backdrop {
        transition: none;
    }
}

@page {
    size: Letter;
    margin: 0.65in 0.7in 0.7in;
}

@media print {
    body {
        background: white;
        color: #111;
        font-size: 10.5pt;
    }

    body.companion-ready .research-content,
    body.companion-ready.companion-collapsed .research-content {
        padding-right: 0;
    }

    .research-site-header,
    .article-actions,
    .article-back,
    .research-assistant,
    .research-assistant-launcher,
    .skip-link,
    #password-overlay {
        display: none !important;
    }

    main,
    .article-mast,
    .research-article {
        width: 100%;
        max-width: none;
    }

    .article-mast {
        padding: 0 0 0.25in;
    }

    .article-mast h1 {
        font-size: 28pt;
    }

    .article-deck {
        font-size: 13pt;
    }

    .research-article {
        padding: 0.3in 0 0;
        font-size: 10.5pt;
        line-height: 1.5;
    }

    .research-article h2 {
        margin-top: 0.38in;
        padding-top: 0.15in;
        font-size: 20pt;
        break-after: avoid;
    }

    .research-article h3 {
        margin-top: 0.25in;
        font-size: 14pt;
        break-after: avoid;
    }

    .research-article h4,
    .research-article p,
    .research-article li {
        orphans: 3;
        widows: 3;
    }

    .research-article table {
        font-size: 8.7pt;
    }

    .research-article tr,
    .research-article blockquote {
        break-inside: avoid;
    }

    .research-article a {
        color: #28244f;
    }

    .research-footer {
        width: 100%;
        margin: 0.3in 0 0;
        padding: 0.14in 0 0;
        border-top-color: #d7d3dc;
        color: #5f5b66;
        font-size: 8pt;
    }

    .research-footer > a {
        display: none;
    }
}