/* =========================
   Base / Shared
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

:root {
    --accent: #6883fc;
    --accent-dark: #4f66d6;
    --accent-tint: #eef1ff;
    --accent-tint-strong: #dfe4ff;
    --ink: #333333;
    --ink-soft: #555;
    --ink-faint: #8a8a8a;
    --line: #e7e7ee;
    --tag-ongoing: #b06a1f;
    --tag-review: #3f8f8a;
    --mono: 'IBM Plex Mono', 'Courier New', Courier, monospace;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--sans);
    background-color: #ffffff;
    color: var(--ink);
    line-height: 1.4;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* =========================
   Footer
========================= */
.footer {
    text-align: center;
    padding: 18px 0;
    font-size: 0.85rem;
    color: var(--ink-faint);
    border-top: 1px solid var(--line);
    margin-top: auto;
}

/* =========================
   Page layout
========================= */
.page {
    display: flex;
    align-items: flex-start;
    padding: 70px 6% 40px 6%;
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

/* =========================
   Sidebar
========================= */
.sidebar {
    flex: 0 0 260px;
    position: sticky;
    top: 50px;
    text-align: left;
    margin-right: 70px;
}

.avatar-wrap {
    position: relative;
    display: inline-block;
}

.avatar {
    width: 190px;
    height: 190px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 6px 18px rgba(38, 38, 38, 0.14);
}

.deco-icon {
    position: absolute;
    display: inline-block;
    font-size: 0.95rem;
    line-height: 1;
    opacity: 0.55;
    filter: grayscale(15%);
    transition: transform 0.18s ease, opacity 0.18s ease;
}

.deco-icon:hover {
    opacity: 0.95;
    text-decoration: none;
}

.deco-cat {
    left: -16px;
    top: 14px;
    transform: rotate(-12deg);
}

.deco-cat:hover {
    transform: rotate(-6deg) translateY(-2px);
}

.deco-camera {
    right: -14px;
    bottom: 10px;
    transform: rotate(10deg);
}

.deco-camera:hover {
    transform: rotate(4deg) translateY(-2px);
}

.name {
    margin-top: 20px;
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--ink);
}

.bio {
    margin-top: 16px;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--ink-soft);
    text-align: left;
}

.bio p {
    margin-bottom: 12px;
}

.bio a {
    color: var(--ink-soft);
    font-weight: 500;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-decoration-color: var(--ink-faint);
    text-underline-offset: 3px;
    padding: 1px 3px;
    margin: 0 -3px;
    border-radius: 4px;
    transition: background-color 0.18s ease, color 0.18s ease;
}

.bio a:hover {
    background: var(--accent-tint-strong);
    color: var(--ink);
    text-decoration: none;
}

.contact-list {
    margin-top: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: left;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.85rem;
    font-family: var(--mono);
    color: var(--ink-soft);
    letter-spacing: -0.2px;
    transition: color 0.18s ease, transform 0.18s ease;
}

.contact-item svg {
    width: 16px;
    height: 16px;
    flex: none;
    color: var(--ink-faint);
    transition: color 0.18s ease;
}

a.contact-item:hover {
    color: var(--accent-dark);
    text-decoration: none;
    transform: translateX(3px);
}

a.contact-item:hover svg {
    color: var(--accent);
}

.contact-item.is-static {
    cursor: default;
}

/* =========================
   Main content
========================= */
.content {
    flex: 1;
    min-width: 0;
    border-left: 1px solid var(--line);
    padding-left: 70px;
}

.content-title {
    margin-top: 30px;
    margin-bottom: 4px;
    font-family: var(--sans);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.2px;
    color: var(--ink-soft);
}

.content-intro {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--ink-soft);
    max-width: 720px;
}

/* Focus areas */
.nowrap {
    white-space: nowrap;
}

.focus-line {
    margin-top: 10px;
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--ink-faint);
    line-height: 2;
    max-width: 640px;
}

.focus-highlight {
    background: var(--accent-tint-strong);
    color: var(--ink);
    font-weight: 400;
    padding: 2px 6px;
    border-radius: 4px;
}

/* Filters */
.filters {
    margin-top: 26px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-btn {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: -0.2px;
    padding: 7px 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--ink-soft);
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease,
        transform 0.18s ease, box-shadow 0.18s ease;
}

.filter-btn:hover {
    background: var(--accent-tint);
    border-color: var(--accent-tint-strong);
    color: var(--accent-dark);
    transform: translateY(-1px);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(104, 131, 252, 0.35);
}

.filter-btn.active:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    transform: translateY(-1px);
}

/* Publication cards */
.pub-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.pub-card {
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 18px 22px;
    background: #ffffff;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease,
        opacity 0.2s ease, margin 0.2s ease, padding 0.2s ease;
}

.pub-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(38, 38, 38, 0.08);
    border-color: var(--accent-tint-strong);
}

.pub-card.is-hidden {
    display: none;
}

.pub-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    font-family: var(--mono);
    margin-bottom: 6px;
}

.pub-tag-venue {
    color: var(--accent);
}

.pub-tag-venue-inline {
    color: var(--accent);
    font-size: 0.7rem;
}

.pub-tag-ongoing {
    color: var(--tag-ongoing);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.7rem;
}

.pub-tag-review {
    color: var(--tag-review);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.7rem;
}

.pub-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.4;
    margin-bottom: 4px;
}

.pub-role {
    font-size: 0.85rem;
    font-style: italic;
    color: var(--ink-faint);
    margin-bottom: 8px;
}

.pub-desc {
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--ink-soft);
}

.pdf-chips {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pdf-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.76rem;
    font-family: var(--mono);
    padding: 5px 11px;
    border-radius: 8px;
    border: 1px solid var(--line);
    color: var(--ink-soft);
    transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease,
        transform 0.18s ease;
}

.pdf-chip svg {
    width: 14px;
    height: 14px;
    flex: none;
}

.pdf-chip:hover {
    background: var(--accent-tint);
    border-color: var(--accent-tint-strong);
    color: var(--accent-dark);
    text-decoration: none;
    transform: translateY(-1px) scale(1.03);
}

/* =========================
   Responsive
========================= */
@media (max-width: 900px) {
    .page {
        flex-direction: column;
        gap: 36px;
        padding: 90px 7% 60px 7%;
    }

    .deco-cat {
        left: -8px;
    }

    .deco-camera {
        right: -8px;
    }

    .sidebar {
        position: static;
        flex-basis: auto;
        width: 100%;
        text-align: left;
        margin-right: 0;
    }

    .avatar-wrap {
        display: block;
    }

    .bio,
    .contact-list {
        text-align: left;
    }

    .content {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--line);
        padding-top: 36px;
    }

    .content-intro {
        max-width: 100%;
    }
}


/* =========================
   Category colors
========================= */
:root {
    --cat-ai: #6883fc;   --cat-ai-dark: #4f66d6;   --cat-ai-tint: #eef1ff;   --cat-ai-strong: #dfe4ff;
    --cat-cmc: #8b6fd0;  --cat-cmc-dark: #7154bb;  --cat-cmc-tint: #f3effc;  --cat-cmc-strong: #e4dbf6;
    --cat-hai: #d4709a;  --cat-hai-dark: #b8507c;  --cat-hai-tint: #fcedf3;  --cat-hai-strong: #f6d8e5;
}
.filter-btn[data-filter="ai-mediated"] { --c: var(--cat-ai);  --c-dark: var(--cat-ai-dark);  --c-tint: var(--cat-ai-tint);  --c-strong: var(--cat-ai-strong); }
.filter-btn[data-filter="cmc"]         { --c: var(--cat-cmc); --c-dark: var(--cat-cmc-dark); --c-tint: var(--cat-cmc-tint); --c-strong: var(--cat-cmc-strong); }
.filter-btn[data-filter="hai"]         { --c: var(--cat-hai); --c-dark: var(--cat-hai-dark); --c-tint: var(--cat-hai-tint); --c-strong: var(--cat-hai-strong); }

.filter-btn[data-filter="ai-mediated"]::before,
.filter-btn[data-filter="cmc"]::before,
.filter-btn[data-filter="hai"]::before {
    content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%;
    margin-right: 8px; vertical-align: middle; position: relative; top: -1px;
    background: var(--c);
    transition: background 0.18s ease;
}
.filter-btn[data-filter="ai-mediated"]:hover,
.filter-btn[data-filter="cmc"]:hover,
.filter-btn[data-filter="hai"]:hover {
    background: var(--c-tint); border-color: var(--c-strong); color: var(--c-dark);
}
.filter-btn[data-filter="ai-mediated"].active,
.filter-btn[data-filter="cmc"].active,
.filter-btn[data-filter="hai"].active {
    background: var(--c-dark); border-color: var(--c-dark); color: #fff;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--c) 40%, transparent);
}
.filter-btn[data-filter="ai-mediated"].active::before,
.filter-btn[data-filter="cmc"].active::before,
.filter-btn[data-filter="hai"].active::before { background: #fff; }

.pub-card { padding-left: 20px; border-left-width: 3px; }
.pub-card[data-category="ai-mediated"] { border-left-color: var(--cat-ai); }
.pub-card[data-category="cmc"]         { border-left-color: var(--cat-cmc); }
.pub-card[data-category="hai"]         { border-left-color: var(--cat-hai); }
.pub-card[data-category="ai-mediated"]:hover { border-color: var(--cat-ai-strong); border-left-color: var(--cat-ai); }
.pub-card[data-category="cmc"]:hover         { border-color: var(--cat-cmc-strong); border-left-color: var(--cat-cmc); }
.pub-card[data-category="hai"]:hover         { border-color: var(--cat-hai-strong); border-left-color: var(--cat-hai); }