/* ============================================================
   style.css — clean modern editorial redesign
   Solid surfaces, crisp 1px borders, generous whitespace.
   No glass / no gradient backgrounds. Dark + light themes.
   ============================================================ */

:root,
:root[data-theme="dark"] {
  --bg: #0d1322;
  --bg-soft: #131a2d;
  --surface: #131a2d;
  --surface-2: #1a2138;
  --surface-3: #232c47;
  --border: #232b44;
  --border-hi: #344063;
  --text: #e8e3d8;
  --text-dim: #a8a499;
  --text-mute: #6a665d;
  --accent: #6db685; /* brighter ZALF green for dark theme */
  --accent-hi: #84c69a;
  --accent-soft: rgba(109, 182, 133, 0.14);
  --warm: #e2b758;
  --warm-hi: #f0c45e;
  --warm-soft: rgba(226, 183, 88, 0.16);
  --error: #e07a6c;
  --link: var(--warm-hi);
  --link-hover: var(--text);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.45);
  --error-bg: rgba(176, 74, 58, 0.14);
}

:root[data-theme="light"] {
  --bg: #f7f4ec;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #faf7ee;
  --surface-3: #f0ecdf;
  --border: #e3dccd;
  --border-hi: #c9c0aa;
  --text: #1a2440;
  --text-dim: #4a5468;
  --text-mute: #8c8678;
  --accent: #2d5440;
  --accent-hi: #1d3e2d;
  --accent-soft: rgba(45, 84, 64, 0.1);
  --warm: #a06f0e;
  --warm-hi: #6f4d09;
  --warm-soft: rgba(160, 111, 14, 0.1);
  --error: #b04a3a;
  --link: var(--warm-hi);
  --link-hover: var(--accent-hi);
  --shadow-sm: 0 1px 2px rgba(20, 32, 50, 0.05);
  --shadow-md: 0 4px 16px rgba(20, 32, 50, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 32, 50, 0.14);
  --error-bg: rgba(176, 74, 58, 0.08);
}

:root {
  --font-head: "Playfair Display", Georgia, serif;
  --font-ui:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  --font-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    background-color 220ms ease,
    color 220ms ease;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 120ms ease;
}

a:hover {
  color: var(--link-hover);
}

button {
  font-family: inherit;
  cursor: pointer;
  background: transparent;
  border: none;
  color: inherit;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ─── Site header ────────────────────────────────────────── */

.site-header {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.25rem, 5vw, 3rem)
    clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.site-header::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--warm) 50%,
    var(--accent) 100%
  );
  opacity: 0.85;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem;
}

.researcher-identity {
  flex: 1 1 480px;
}

.researcher-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-hi);
  margin: 0 0 0.55rem 0;
}

.researcher-name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 5.2vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.012em;
  margin: 0;
  color: var(--text);
}

.researcher-affiliation {
  margin: 0.85rem 0 0 0;
  font-family: var(--font-body);
  font-size: clamp(0.96rem, 1.3vw, 1.1rem);
  color: var(--text-dim);
  max-width: 56ch;
  font-style: italic;
}

.header-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

.meta-sep {
  color: var(--border-hi);
}

.last-updated::before {
  content: "Updated · ";
  color: var(--accent-hi);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-left: 0.4rem;
  transition:
    color 150ms ease,
    border-color 150ms ease,
    background-color 150ms ease;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--border-hi);
  background: var(--surface-2);
}

.theme-toggle .icon-moon,
.theme-toggle .icon-sun {
  display: none;
  transition: transform 220ms ease;
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  display: inline-block;
}
:root[data-theme="light"] .theme-toggle .icon-sun {
  display: inline-block;
}

.theme-toggle:hover .icon-moon {
  transform: rotate(-15deg);
}
.theme-toggle:hover .icon-sun {
  transform: rotate(45deg);
}

/* ─── Toolbar (search + filters) ─────────────────────────── */

.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.toolbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem clamp(1.25rem, 5vw, 3rem) 0;
}

.search-row {
  position: relative;
  margin-bottom: 0.85rem;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-mute);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.6rem;
  font-family: var(--font-ui);
  font-size: 0.96rem;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

.search-input::placeholder {
  color: var(--text-mute);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.select-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.select-field {
  display: inline-flex;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 150ms ease;
}

.select-field:hover,
.select-field:focus-within {
  border-color: var(--border-hi);
}

.select-label {
  padding: 0.55rem 0.7rem 0.55rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  background: var(--surface-2);
  border-right: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
}

.select-control {
  background: transparent;
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.86rem;
  padding: 0.5rem 1.8rem 0.5rem 0.7rem;
  border: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position:
    calc(100% - 1rem) calc(50% - 1px),
    calc(100% - 0.65rem) calc(50% - 1px);
  background-size: 5px 5px;
  background-repeat: no-repeat;
  color: var(--text);
  min-width: 9rem;
}

.select-control:focus {
  outline: none;
}

.select-control option {
  background: var(--surface);
  color: var(--text);
}

.result-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

/* ─── Publisher tabs ─────────────────────────────────────── */

.publisher-tabs {
  display: flex;
  gap: 0.1rem;
  padding-bottom: 0;
  margin: 0 -0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hi) transparent;
}

.publisher-tabs::-webkit-scrollbar {
  height: 4px;
}
.publisher-tabs::-webkit-scrollbar-track {
  background: transparent;
}
.publisher-tabs::-webkit-scrollbar-thumb {
  background: var(--border-hi);
  border-radius: 999px;
}
.publisher-tabs::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.publisher-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-ui);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition:
    color 150ms ease,
    border-color 150ms ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.publisher-tab:hover {
  color: var(--text);
}

.publisher-tab .tab-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  background: var(--surface-2);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-weight: 400;
}

.publisher-tab.is-active {
  color: var(--accent-hi);
  border-bottom-color: var(--accent);
}

.publisher-tab.is-active .tab-count {
  color: var(--accent-hi);
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* ─── Year chips ─────────────────────────────────────────── */

.year-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding-bottom: 1.1rem;
}

.filter-strip-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-right: 0.4rem;
}

.year-chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 0.32rem 0.72rem;
  background: var(--surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: all 140ms ease;
}

.year-chip:hover {
  color: var(--text);
  border-color: var(--border-hi);
}

.year-chip.is-active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

:root[data-theme="dark"] .year-chip.is-active {
  color: #0d1322;
}

/* ─── Conference venue sub-filter ─────────────────────────── */

.venue-subfilter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0 0.65rem;
  margin-bottom: 0.15rem;
  border-bottom: 1px dashed var(--border);
}

.venue-subfilter[hidden] {
  display: none;
}

.venue-chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.65rem;
  background: var(--surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 140ms ease;
}

.venue-chip:hover {
  color: var(--text);
  border-color: var(--border-hi);
}

.venue-chip.is-active {
  background: var(--accent-soft);
  color: var(--accent-hi);
  border-color: var(--accent);
}

.venue-chip .venue-count {
  font-size: 0.66rem;
  color: var(--text-mute);
  background: var(--surface-2);
  padding: 0.04rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.venue-chip.is-active .venue-count {
  color: var(--accent-hi);
  border-color: var(--accent);
  background: transparent;
}

/* ─── Grid ───────────────────────────────────────────────── */

.publications-grid {
  max-width: 1200px;
  margin: 1.6rem auto 4rem;
  padding: 0 clamp(1.25rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

@media (min-width: 720px) {
  .publications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .publications-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.loading-state,
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-mute);
  font-style: italic;
}

.error-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text);
  background: var(--error-bg);
  border: 1px solid var(--error);
  border-radius: var(--radius);
}

/* ─── Publication card ───────────────────────────────────── */

.pub-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: translateY(6px);
  animation: fadeInUp 320ms ease forwards;
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.pub-card.is-clickable {
  cursor: pointer;
}

.pub-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pub-card.is-clickable:hover {
  border-color: var(--accent);
}

.pub-card.is-clickable:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.pub-card-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--text-mute);
  margin-bottom: 0.05rem;
}

.pub-year {
  color: var(--accent-hi);
  font-weight: 500;
  letter-spacing: 0.08em;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  padding: 0.18rem 0.55rem;
  border-radius: 6px;
}

.pub-citations {
  padding: 0.18rem 0.55rem;
  border-radius: 6px;
  font-weight: 500;
}

.pub-citations.cite-low {
  color: var(--text-mute);
  border: 1px solid var(--border);
}
.pub-citations.cite-mid {
  color: var(--accent-hi);
  border: 1px solid var(--accent);
}
.pub-citations.cite-hi {
  color: #1a2440;
  background: var(--warm);
  border: 1px solid var(--warm-hi);
}
:root[data-theme="dark"] .pub-citations.cite-hi {
  color: #0d1322;
}

.pub-source {
  padding: 0.18rem 0.55rem;
  border-radius: 6px;
  border: 1px dashed var(--border-hi);
  color: var(--text-mute);
  text-transform: uppercase;
}

.pub-publisher {
  padding: 0.18rem 0.6rem;
  border-radius: 6px;
  background: var(--warm-soft);
  color: var(--warm-hi);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.08em;
}

/* Conference venue badge — distinct accent tint so conference cards read
   differently from journal cards at a glance. */
.pub-venue {
  padding: 0.18rem 0.6rem;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent-hi);
  border: 1px solid var(--accent);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* "New" badge — flags papers added since the previous fetch. Solid accent
   fill (brand green) with a small leading dot acts as a quiet "unread"
   indicator. Sits first in the card header so the eye lands on it before
   the publisher / citation chips. */
.pub-new {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.18rem 0.6rem 0.18rem 0.5rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.pub-new::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
}

.pub-link {
  color: var(--accent-hi);
}
.pub-link:hover {
  color: var(--text);
}

.pub-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.18rem;
  line-height: 1.32;
  margin: 0;
  color: var(--text);
  letter-spacing: -0.005em;
}

.pub-card.is-clickable:hover .pub-title {
  color: var(--accent-hi);
}

/* Tame <sub>/<sup> coming from WoS markup so they don't disturb line-height. */
.pub-title sub,
.pub-title sup,
.pub-abstract sub,
.pub-abstract sup,
.keyword-tag sub,
.keyword-tag sup {
  font-size: 0.72em;
  line-height: 0;
  vertical-align: baseline;
  position: relative;
}
.pub-title sup,
.pub-abstract sup,
.keyword-tag sup {
  top: -0.45em;
}
.pub-title sub,
.pub-abstract sub,
.keyword-tag sub {
  bottom: -0.2em;
}

.pub-authors {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
}

.pub-journal {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--accent-hi);
  margin: 0;
}

.pub-journal-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-mute);
  margin-left: 0.4rem;
  font-style: normal;
}

.pub-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.15rem;
}

.keyword-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  padding: 0.18rem 0.5rem;
  background: var(--accent-soft);
  color: var(--accent-hi);
  border: 1px solid var(--accent);
  border-radius: 4px;
}

.abstract-toggle {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: transparent;
  color: var(--text-mute);
  border: none;
  padding: 0.25rem 0;
  border-bottom: 1px dashed var(--text-mute);
  cursor: pointer;
  transition:
    color 150ms ease,
    border-color 150ms ease;
}

.abstract-toggle:hover {
  color: var(--accent-hi);
  border-bottom-color: var(--accent-hi);
}

.pub-abstract {
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  display: none;
}

.pub-card.expanded .pub-abstract {
  display: block;
}

.pub-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.pub-doi {
  color: var(--warm-hi);
}

.pub-doi:hover {
  color: var(--text);
}

.pub-doi::before {
  content: "DOI ↗";
  margin-right: 0.35rem;
  color: var(--text-mute);
}

/* ─── Footer ─────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem clamp(1.25rem, 5vw, 3rem);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-mute);
  background: var(--bg);
}

.site-footer a {
  color: var(--accent-hi);
  border-bottom: 1px solid var(--border);
}

/* ─── Responsive ────────────────────────────────────────── */

/* Tablet & narrower desktops -------------------------------- */
@media (max-width: 900px) {
  .header-inner {
    gap: 1rem;
    align-items: flex-start;
  }
  .researcher-identity {
    flex-basis: 100%;
  }
  .header-meta {
    width: 100%;
    flex-wrap: wrap;
  }
  .result-count {
    margin-left: auto;
    font-size: 0.72rem;
  }
}

/* Standard mobile ------------------------------------------ */
@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .site-header {
    padding: clamp(2rem, 8vw, 3rem) clamp(1rem, 5vw, 1.5rem)
      clamp(1.5rem, 5vw, 2.25rem);
  }

  .researcher-name {
    font-size: clamp(2rem, 9vw, 2.6rem);
  }
  .researcher-affiliation {
    font-size: 0.95rem;
  }

  .toolbar-inner {
    padding: 0.85rem clamp(1rem, 5vw, 1.5rem) 0;
  }

  .search-row {
    margin-bottom: 0.7rem;
  }
  .search-input {
    padding: 0.75rem 0.9rem 0.75rem 2.4rem;
    font-size: 0.95rem;
  }
  .search-icon {
    left: 0.85rem;
  }

  /* Stack the two dropdowns full-width; counter hops to its own line */
  .select-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .select-field {
    width: 100%;
  }
  .select-control {
    width: 100%;
    min-width: 0;
  }
  .result-count {
    margin-left: 0;
    text-align: left;
    padding: 0.15rem 0.1rem 0;
  }

  .publisher-tab {
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
  }
  .publisher-tab .tab-count {
    font-size: 0.66rem;
    padding: 0.08rem 0.4rem;
  }

  .year-chips {
    padding-bottom: 0.85rem;
  }
  .year-chip {
    padding: 0.3rem 0.65rem;
    font-size: 0.72rem;
  }
  .filter-strip-label {
    font-size: 0.64rem;
    letter-spacing: 0.14em;
  }

  .publications-grid {
    margin: 1.1rem auto 2.5rem;
    padding: 0 clamp(1rem, 5vw, 1.5rem);
    gap: 0.85rem;
  }

  .pub-card {
    padding: 1.1rem 1.15rem 1rem;
    gap: 0.6rem;
  }
  .pub-title {
    font-size: 1.08rem;
    line-height: 1.3;
  }
  .pub-authors,
  .pub-journal,
  .pub-abstract {
    font-size: 0.88rem;
  }
  .pub-card-header {
    font-size: 0.65rem;
    gap: 0.3rem;
  }
  .pub-publisher,
  .pub-citations,
  .pub-source,
  .pub-new,
  .pub-year {
    padding: 0.15rem 0.45rem;
    font-size: 0.65rem;
  }

  .site-footer {
    padding: 1.25rem clamp(1rem, 5vw, 1.5rem);
    font-size: 0.7rem;
  }
}

/* Tiny screens (≤380px) ------------------------------------ */
@media (max-width: 380px) {
  .researcher-name {
    font-size: 1.85rem;
  }
  .pub-card {
    padding: 0.95rem 1rem 0.9rem;
  }
  .pub-title {
    font-size: 1rem;
  }
  .toolbar-inner {
    padding: 0.7rem 0.95rem 0;
  }
}

/* Print ---------------------------------------------------- */
@media print {
  .toolbar,
  .site-footer,
  .theme-toggle {
    display: none;
  }
  .pub-card {
    break-inside: avoid;
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pub-card {
    animation: none;
    opacity: 1;
    transform: none;
  }
  * {
    transition: none !important;
  }
}