/* ================================================
   MANYETAM SCI — Style (matches screenshot design)
   Fonts: Syne (display) + DM Sans (body)
   ================================================ */

:root {
  --blue:       #1a56db;
  --blue-dark:  #1240aa;
  --blue-soft:  #e8f0fe;
  --navy:       #0d1f3c;
  --text:       #1e293b;
  --muted:      #64748b;
  --border:     #e2e8f0;
  --bg:         #f5f7fa;
  --white:      #ffffff;

  /* Q colors */
  --q1: #16a34a;
  --q2: #2563eb;
  --q3: #d97706;
  --q4: #dc2626;

  --r: 12px;
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.container {
  width: min(var(--max), calc(100% - 32px));
  margin-inline: auto;
}

/* ── Header ── */
.site-header {
  background: linear-gradient(135deg, #1240aa 0%, #1a56db 50%, #2d7aee 100%);
  padding: 22px 0 28px;
  position: relative;
  overflow: hidden;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 120% at 70% 50%, rgba(255,255,255,.07), transparent 65%);
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
  padding-top: 2px;
}
.brand-icon { width: 32px; height: 32px; }
.brand-name {
  font-family: 'Syne', sans-serif;
  font-size: .92rem;
  font-weight: 700;
  color: white;
  letter-spacing: .08em;
}

.hero-content { flex: 1; }
.hero-title-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.hero-bar {
  width: 4px;
  min-width: 4px;
  height: 64px;
  border-radius: 999px;
  background: rgba(255,255,255,.9);
  margin-top: 3px;
}
.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: white;
  line-height: 1.1;
  letter-spacing: -.3px;
}
.hero-sci {
  color: white;
}
.hero-sub {
  margin-top: 8px;
  color: rgba(255,255,255,.75);
  font-size: .95rem;
  font-weight: 500;
}

.header-deco {
  flex-shrink: 0;
  width: 260px;
  opacity: .55;
  align-self: center;
  margin-top: -8px;
}
.header-deco svg { width: 100%; }

/* ── Main wrap ── */
.main-wrap { padding-top: 20px; }

/* ── Filter Panel ── */
.filter-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 14px 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

.filter-grid {
  display: grid;
  grid-template-columns: 2fr .65fr .65fr .85fr auto;
  gap: 10px;
  align-items: end;
}

.search-wrap {
  position: relative;
}
.search-ico {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  width: 17px; height: 17px;
  pointer-events: none;
}

.f-input, .f-select {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .92rem;
  font-weight: 500;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  padding: 10px 12px;
  appearance: none;
  -webkit-appearance: none;
}
.f-input--search { padding-left: 38px; }
.f-input::placeholder { color: #94a3b8; }
.f-input:focus, .f-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.1);
}
.f-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2394a3b8' d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  padding-right: 30px;
}

.f-field { display: flex; flex-direction: column; gap: 5px; }
.f-label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 20px;
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: .92rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .18s, transform .15s;
  white-space: nowrap;
  height: 42px;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* ── Stats Bar ── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 14px 0;
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}

.stats-left {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--muted);
  flex-wrap: wrap;
}
.stats-left strong { color: var(--navy); font-weight: 800; }
.stats-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.18);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%      { opacity:.5; transform:scale(.7); }
}
.stats-pipe { color: var(--border); }
.stats-star { color: #f59e0b; font-size: .9rem; }
.stats-date { color: var(--muted); font-weight: 600; }

.stats-right {
  display: flex;
  align-items: center;
  gap: 6px;
}
.exp-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  background: var(--white);
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .18s;
}
.exp-btn:hover {
  border-color: #94a3b8;
  color: var(--text);
  background: var(--bg);
}
.exp-btn--clear {
  color: #94a3b8;
  border-color: var(--border);
}
.exp-btn--clear:hover { color: #dc2626; border-color: #fca5a5; background: #fff5f5; }

/* ── Publication List ── */
.pub-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── Publication Card ── */
.pub-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  position: relative;
}
.pub-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.09);
  border-color: #c7d9f9;
}

/* left Q strip */
.pub-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--border);
  border-radius: var(--r) 0 0 var(--r);
}
.pub-card[data-q="Q1"]::before { background: var(--q1); }
.pub-card[data-q="Q2"]::before { background: var(--q2); }
.pub-card[data-q="Q3"]::before { background: var(--q3); }
.pub-card[data-q="Q4"]::before { background: var(--q4); }

.pub-body {
  padding: 14px 16px 14px 20px;
  min-width: 0;
}

.pub-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

/* Q chip */
.q-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: white;
  line-height: 1.4;
}
.q-chip--Q1 { background: var(--q1); }
.q-chip--Q2 { background: var(--q2); }
.q-chip--Q3 { background: var(--q3); }
.q-chip--Q4 { background: var(--q4); }
.q-chip--def { background: var(--muted); }

.meta-chip {
  font-size: .8rem;
  font-weight: 600;
  color: var(--muted);
}
.meta-sep { color: #cbd5e1; font-size: .75rem; }

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 5px;
  border: 1px solid #dbeafe;
  background: #eff6ff;
  color: #2563eb;
  font-size: .77rem;
  font-weight: 600;
}

.pub-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 5px;
}

.pub-authors {
  font-size: .875rem;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 3px;
}

.pub-journal-row {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .875rem;
  color: var(--muted);
  margin-bottom: 8px;
}
.pub-journal {
  color: var(--blue);
  font-style: italic;
  font-weight: 600;
}
.pub-journal-arrow {
  color: var(--blue);
  font-size: .8rem;
}

.pub-abstract {
  font-size: .875rem;
  color: #475569;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pub-abstract mark {
  background: #fef9c3;
  color: inherit;
  border-radius: 2px;
  padding: 0 1px;
  font-weight: 700;
}

/* Right actions column */
.pub-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  padding: 12px 14px 12px 10px;
  gap: 8px;
  min-width: 180px;
  border-left: 1px solid var(--border);
}

.year-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .82rem;
  font-weight: 800;
  color: white;
  letter-spacing: .03em;
  align-self: flex-start;
  margin-left: auto;
}
.year-badge--Q1 { background: var(--q1); }
.year-badge--Q2 { background: var(--blue); }
.year-badge--Q3 { background: var(--q3); }
.year-badge--Q4 { background: var(--q4); }
.year-badge--def { background: var(--navy); }

.doi-link {
  font-size: .78rem;
  color: var(--muted);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  word-break: break-all;
  line-height: 1.4;
}
.doi-link:hover { color: var(--blue); }
.doi-link svg { flex-shrink: 0; }

.action-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.act-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 11px;
  border-radius: 7px;
  font-family: 'DM Sans', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all .18s;
  text-decoration: none;
}
.act-btn--go {
  background: var(--blue);
  color: white;
  border: none;
}
.act-btn--go:hover { background: var(--blue-dark); transform: translateY(-1px); }
.act-btn--disabled {
  background: var(--bg);
  color: #94a3b8;
  border: 1.5px solid var(--border);
  cursor: default;
  pointer-events: none;
}

.card-expand {
  align-self: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  color: #94a3b8;
  padding: 2px;
  transition: color .18s;
}
.card-expand:hover { color: var(--blue); }

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 20px 0 8px;
  flex-wrap: wrap;
}
.pg-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--white);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
}
.pg-btn:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.pg-btn:disabled { opacity: .4; cursor: not-allowed; }
.pg-btn--active {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
  font-weight: 800;
}
.pg-btn--active:hover { background: var(--blue-dark); border-color: var(--blue-dark); color: white; }
.pg-dots {
  padding: 7px 6px;
  color: var(--muted);
  font-weight: 600;
  font-size: .88rem;
}

/* ── State boxes ── */
.state-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 48px 24px;
  text-align: center;
}
.state-ico { font-size: 2rem; margin-bottom: 12px; }
.state-box h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.state-box p { color: var(--muted); font-size: .9rem; }
.state-box code {
  background: var(--bg);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .85rem;
}

/* ── Footer ── */
.site-foot {
  margin: 16px 0 32px;
  color: var(--muted);
  font-size: .85rem;
}
.foot-rule {
  height: 1px;
  margin-bottom: 12px;
  background: var(--border);
}

/* ── Toast ── */
.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(6px);
  background: var(--navy);
  color: white;
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  box-shadow: 0 8px 28px rgba(0,0,0,.2);
  z-index: 999;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .header-deco { display: none; }
  .filter-grid { grid-template-columns: 1fr 1fr; }
  .btn-primary { grid-column: 1/-1; }
  .search-wrap { grid-column: 1/-1; }
  .pub-actions { min-width: 160px; }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 20px); }
  .pub-card { grid-template-columns: 1fr; }
  .pub-actions {
    border-left: none;
    border-top: 1px solid var(--border);
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    padding: 10px 16px 12px 20px;
    min-width: unset;
  }
  .year-badge { margin-left: 0; }
  .stats-bar { flex-direction: column; align-items: flex-start; }
  .filter-grid { grid-template-columns: 1fr; }
  .btn-primary { width: 100%; justify-content: center; }
}