/* ═══════════════════════════════════════════════════════════════════════════
   academic-search.css — Estilos del Buscador Académico Multifuente v2
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────────────────────────── */
.as-panel {
  --as-bg: #F6F8FB;
  --as-surface: #FFFFFF;
  --as-surface2: #F0F4FA;
  --as-border: #E5EAF2;
  --as-border-focus: rgba(74,125,255,0.5);
  --as-accent: #4A7DFF;
  --as-accent2: #7E9BCF;
  --as-accent-glow: rgba(74,125,255,0.1);
  --as-text: #273142;
  --as-text2: #6B7788;
  --as-text3: #A0AABB;
  --as-ok: #16A34A;
  --as-warn: #D97706;
  --as-err: #E5534B;
  --as-radius: 12px;
  --as-radius-sm: 8px;
  --as-shadow: 0 2px 12px rgba(39,49,66,0.08);
  --as-font: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ── Panel container ─────────────────────────────────────────────────────────  */
.as-panel {
  font-family: var(--as-font);
  color: var(--as-text);
  background: var(--as-bg);
  border-radius: var(--as-radius);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 400px;
}

/* ── Header ──────────────────────────────────────────────────────────────────  */
.as-header {
  padding: 24px 24px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--as-border);
  flex-wrap: wrap;
}

.as-header-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.as-logo {
  font-size: 2.2rem;
  line-height: 1;
}

.as-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--as-text);
  margin: 0 0 2px;
  letter-spacing: -0.02em;
}

.as-subtitle {
  font-size: 0.78rem;
  color: var(--as-text2);
  margin: 0;
}

.as-source-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-width: 500px;
}

.as-badge {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 50px;
  border: 1px solid var(--as-border);
  background: var(--as-surface);
  color: var(--as-text2);
  transition: all 0.3s ease;
  white-space: nowrap;
}
.as-badge--ok { background: rgba(16,185,129,0.15); border-color: rgba(16,185,129,0.4); color: #10b981; }
.as-badge--err { background: rgba(239,68,68,0.1); border-color: rgba(229,83,75,0.2); color: #ef4444; }
.as-badge--empty { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: #f59e0b; }
.as-badge--idle { opacity: 0.6; }

/* ── Formulario ──────────────────────────────────────────────────────────────  */
.as-form {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--as-border);
}

.as-search-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.as-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.as-input-icon {
  position: absolute;
  left: 14px;
  font-size: 1rem;
  pointer-events: none;
  z-index: 1;
}

.as-input-wrap input {
  width: 100%;
  padding: 13px 14px 13px 42px;
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-sm);
  color: var(--as-text);
  font-size: 0.95rem;
  font-family: var(--as-font);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  caret-color: var(--as-accent);
}

.as-input-wrap input::placeholder { color: var(--as-text3); }
.as-input-wrap input:focus {
  border-color: var(--as-border-focus);
  box-shadow: 0 0 0 3px var(--as-accent-glow);
}

.as-controls {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.as-select {
  padding: 0 36px 0 12px;
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius-sm);
  color: var(--as-text);
  font-size: 0.875rem;
  font-family: var(--as-font);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239ca3c2' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.as-select-sm {
  padding: 6px 32px 6px 10px;
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  border-radius: 6px;
  color: var(--as-text);
  font-size: 0.8rem;
  font-family: var(--as-font);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239ca3c2' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.as-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--as-radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--as-font);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.as-btn--primary {
  background: var(--as-accent);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(74,125,255,0.2);
}
.as-btn--primary:hover { filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(74,125,255,0.25); }
.as-btn--primary:active { transform: translateY(0); }

.as-btn--ghost {
  background: var(--as-surface2);
  color: var(--as-text2);
  border-color: var(--as-border);
  font-size: 0.82rem;
  padding: 8px 14px;
}
.as-btn--ghost:hover { background: var(--as-surface); color: var(--as-text); border-color: rgba(255,255,255,0.15); }

/* ── Tips de búsqueda ────────────────────────────────────────────────────────  */
.as-tips {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.as-tip-label { font-size: 0.78rem; color: var(--as-text3); white-space: nowrap; }
.as-tip-chip {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--as-surface2);
  border: 1px dashed rgba(74,125,255,0.15);
  border-radius: 50px;
  color: var(--as-accent2);
  cursor: pointer;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  transition: all 0.2s;
}
.as-tip-chip:hover { background: rgba(74,125,255,0.06); border-color: var(--as-accent); color: #4A7DFF; }
.as-tip-note { font-size: 0.75rem; color: var(--as-text3); font-style: italic; }

/* ── Boolean Query Info ──────────────────────────────────────────────────────  */
.as-boolean-info {
  padding: 10px 24px;
  background: rgba(74,125,255,0.04);
  border-bottom: 1px solid rgba(74,125,255,0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.as-boolean-label { font-size: 0.78rem; color: var(--as-text3); white-space: nowrap; }
.as-boolean-code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  color: #4A7DFF;
  background: rgba(74,125,255,0.08);
  padding: 3px 10px;
  border-radius: 6px;
  flex: 1;
  word-break: break-all;
}
.as-strategy-badge {
  font-size: 0.72rem;
  padding: 2px 10px;
  border-radius: 50px;
  background: rgba(139,92,246,0.2);
  color: #7E9BCF;
  border: 1px solid rgba(139,92,246,0.3);
  white-space: nowrap;
}

/* ── Estado de fuentes ───────────────────────────────────────────────────────  */
.as-sources-status {
  padding: 14px 24px;
  border-bottom: 1px solid var(--as-border);
  background: #F6F8FB;
}
.as-sources-title { font-size: 0.75rem; font-weight: 600; color: var(--as-text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
.as-sources-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.as-source-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--as-border);
  font-size: 0.78rem;
}
.as-source-item--ok { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); }
.as-source-item--err { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.2); }
.as-source-item--empty { background: rgba(245,158,11,0.08); border-color: rgba(245,158,11,0.2); }
.as-source-emoji { font-size: 1rem; }
.as-source-name { color: var(--as-text); font-weight: 500; }
.as-source-count { color: var(--as-text2); margin-left: 4px; }

.as-mode-badge {
  display: inline-block;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid var(--as-border);
  background: var(--as-surface);
  color: var(--as-text3);
}
.as-mode-badge--live { background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.35); color: var(--as-ok); }
.as-mode-badge--hybrid { background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.35); color: var(--as-warn); }
.as-mode-badge--partial { background: rgba(249,115,22,0.12); border-color: rgba(249,115,22,0.35); color: #EA580C; }
.as-mode-badge--stub { background: rgba(239,68,68,0.1); border-color: rgba(229,83,75,0.2); color: var(--as-err); }

/* ── Google Scholar Quota Indicator ──────────────────────────────────────────  */
.as-quota-row {
  width: 100%;
  display: flex;
  align-items: center;
  margin-top: 2px;
}
.as-quota-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 50px;
  white-space: nowrap;
  transition: all 0.3s ease;
}
.as-quota--ok {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.2);
  color: #16A34A;
}
.as-quota--low {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  color: #D97706;
  animation: as-quota-pulse 2s ease-in-out infinite;
}
.as-quota--exhausted {
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  color: #E5534B;
}
@keyframes as-quota-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ── Loading ─────────────────────────────────────────────────────────────────  */
.as-loading {
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.as-loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  max-width: 400px;
}

.as-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(74,125,255,0.1);
  border-top-color: #4A7DFF;
  border-radius: 50%;
  animation: as-spin 0.8s linear infinite;
}
@keyframes as-spin { to { transform: rotate(360deg); } }

.as-loading-msg { font-size: 0.9rem; color: var(--as-text2); margin: 0 0 8px; }

.as-loading-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.as-step {
  font-size: 0.76rem;
  padding: 4px 10px;
  border-radius: 50px;
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  color: var(--as-text3);
  transition: all 0.3s ease;
}
.as-step--active {
  background: rgba(74,125,255,0.1);
  border-color: var(--as-accent);
  color: #4A7DFF;
  box-shadow: 0 0 8px rgba(74,125,255,0.15);
  animation: as-pulse 0.8s ease-in-out infinite;
}
.as-step--done { background: rgba(16,185,129,0.15); border-color: rgba(16,185,129,0.4); color: var(--as-ok); }
@keyframes as-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.7; } }

/* ── Barra de resultados ─────────────────────────────────────────────────────  */
.as-results-bar {
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--as-border);
  flex-wrap: wrap;
}
.as-results-count {
  font-size: 1rem;
  font-weight: 700;
  color: var(--as-text);
}
.as-results-meta {
  font-size: 0.8rem;
  color: var(--as-text3);
}
.as-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.as-checkbox-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--as-text2);
  cursor: pointer;
  white-space: nowrap;
}
.as-checkbox-label input { accent-color: var(--as-accent); cursor: pointer; }

/* ── Grid de tarjetas ────────────────────────────────────────────────────────  */
.as-results-grid {
  padding: 20px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

/* ── Tarjeta de resultado ────────────────────────────────────────────────────  */
.as-card {
  background: var(--as-surface);
  border: 1px solid var(--as-border);
  border-radius: var(--as-radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}
.as-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--as-accent), var(--as-accent2));
  opacity: 0;
  transition: opacity 0.2s;
}
.as-card:hover {
  border-color: rgba(74,125,255,0.18);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(39,49,66,0.08);
}
.as-card:hover::before { opacity: 1; }

.as-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
}
.as-card-rank {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--as-text3);
  background: var(--as-surface2);
  padding: 2px 7px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
}
.as-card-type {
  font-size: 0.74rem;
  color: var(--as-text2);
  display: flex;
  align-items: center;
  gap: 3px;
}
.as-card-oa {
  margin-left: auto;
  font-size: 0.74rem;
  color: var(--as-ok);
  background: rgba(16,185,129,0.1);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid rgba(16,185,129,0.25);
}

.as-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--as-text);
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.as-card-authors {
  font-size: 0.78rem;
  color: var(--as-text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.as-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.as-card-year, .as-card-venue, .as-card-cites {
  font-size: 0.74rem;
  color: var(--as-text3);
  white-space: nowrap;
}
.as-card-venue {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.as-card-source {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(var(--sc-rgb, 99, 102, 241), 0.1);
  border: 1px solid rgba(var(--sc-rgb, 99, 102, 241), 0.2);
  color: var(--sc, #a5b4fc);
}
/* Colores por fuente */
.as-card-source[style*="--sc:#3b82f6"] { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.25); color: #3B82F6; }
.as-card-source[style*="--sc:#8b5cf6"] { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.25); color: #7E9BCF; }
.as-card-source[style*="--sc:#f59e0b"] { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.25); color: #D97706; }
.as-card-source[style*="--sc:#10b981"] { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.25); color: #16A34A; }
.as-card-source[style*="--sc:#6366f1"] { background: rgba(74,125,255,0.06); border-color: rgba(99,102,241,0.25); color: #4A7DFF; }
.as-card-source[style*="--sc:#ef4444"] { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.25); color: #E5534B; }
.as-card-source[style*="--sc:#f97316"] { background: rgba(249,115,22,0.1); border-color: rgba(249,115,22,0.25); color: #EA580C; }
.as-card-source[style*="--sc:#14b8a6"] { background: rgba(20,184,166,0.1); border-color: rgba(20,184,166,0.25); color: #0D9488; }

.as-card-doi {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.25);
  color: #8B5CF6;
  white-space: nowrap;
  font-weight: 500;
}

.as-card-abstract {
  font-size: 0.8rem;
  color: var(--as-text2);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}
.as-card-no-abstract { color: var(--as-text3); font-style: italic; }

.as-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid #E5EAF2;
}
.as-card-score-wrap { display: flex; align-items: center; gap: 8px; flex: 1; }
.as-card-score-bar {
  flex: 1;
  height: 4px;
  background: #E5EAF2;
  border-radius: 2px;
  overflow: hidden;
}
.as-card-score-fill { height: 100%; border-radius: 2px; transition: width 0.5s ease; }
.as-card-score-label { font-size: 0.72rem; color: var(--as-text3); white-space: nowrap; }

.as-card-links { display: flex; gap: 6px; flex-wrap: wrap; }
.as-card-link {
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 5px;
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  color: var(--as-text2);
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}
.as-card-link:hover { background: rgba(74,125,255,0.08); border-color: var(--as-accent); color: #4A7DFF; }
.as-card-link--pdf { border-color: rgba(16,185,129,0.3); color: var(--as-ok); }
.as-card-link--pdf:hover { background: rgba(16,185,129,0.12); }
.as-card-link--doi { color: var(--as-accent2); border-color: rgba(139,92,246,0.3); }

/* ── Paginación ──────────────────────────────────────────────────────────────  */
.as-pagination {
  padding: 16px 24px;
  display: flex;
  justify-content: center;
  gap: 6px;
  align-items: center;
  border-top: 1px solid var(--as-border);
}
.as-page-btn {
  min-width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--as-border);
  background: var(--as-surface2);
  color: var(--as-text2);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--as-font);
}
.as-page-btn:hover { border-color: rgba(74,125,255,0.2); color: var(--as-text); }
.as-page-btn--active { background: var(--as-accent); border-color: var(--as-accent); color: #FFFFFF; font-weight: 700; }
.as-page-sep { color: var(--as-text3); padding: 0 4px; }

/* ── Sin resultados ──────────────────────────────────────────────────────────  */
.as-empty {
  padding: 60px 24px;
  text-align: center;
}
.as-empty-icon { font-size: 3rem; margin-bottom: 12px; }
.as-empty-text { font-size: 1rem; color: var(--as-text); margin-bottom: 6px; font-weight: 500; }
.as-empty-hint { font-size: 0.85rem; color: var(--as-text3); }

/* ── Historial ───────────────────────────────────────────────────────────────  */
.as-history {
  padding: 16px 24px;
  border-top: 1px solid var(--as-border);
}
.as-history-title { font-size: 0.75rem; font-weight: 600; color: var(--as-text3); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
.as-history-list { display: flex; flex-wrap: wrap; gap: 8px; }
.as-history-chip {
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 50px;
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  color: var(--as-text2);
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--as-font);
  max-width: 240px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.as-history-chip:hover { background: rgba(74,125,255,0.06); border-color: rgba(74,125,255,0.18); color: #4A7DFF; }
.as-history-empty { font-size: 0.8rem; color: var(--as-text3); font-style: italic; }

/* ── History dropdown ────────────────────────────────────────────────────────  */
.as-history-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--as-surface2);
  border: 1px solid rgba(74,125,255,0.15);
  border-radius: var(--as-radius-sm);
  box-shadow: var(--as-shadow);
  z-index: 100;
  overflow: hidden;
}
.as-history-dd-item {
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--as-text2);
  cursor: pointer;
  transition: background 0.15s;
}
.as-history-dd-item:hover { background: rgba(74,125,255,0.06); color: var(--as-text); }

/* ── Modal ───────────────────────────────────────────────────────────────────  */
.as-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(39,49,66,0.3);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.as-modal {
  background: var(--as-surface);
  border: 1px solid rgba(74,125,255,0.1);
  border-radius: 16px;
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 8px 32px rgba(39,49,66,0.12);
  animation: as-modal-in 0.25s ease;
}
@keyframes as-modal-in {
  from { opacity: 0; transform: scale(0.96) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.as-modal-close {
  position: sticky;
  top: 16px;
  float: right;
  margin: 16px 16px 0 0;
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--as-border);
  background: var(--as-surface2);
  color: var(--as-text2);
  font-size: 0.9rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  z-index: 2;
}
.as-modal-close:hover { background: rgba(229,83,75,0.08); border-color: rgba(229,83,75,0.2); color: #E5534B; }

.as-modal-content { padding: 20px 24px 28px; }

.as-modal-header { margin-bottom: 20px; }
.as-modal-type { font-size: 0.78rem; color: var(--as-text2); margin-bottom: 8px; }
.as-modal-title { font-size: 1.2rem; font-weight: 700; color: var(--as-text); line-height: 1.4; margin: 0 0 10px; }
.as-modal-authors { font-size: 0.85rem; color: var(--as-text2); margin-bottom: 10px; }
.as-modal-meta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--as-text3);
}

.as-modal-section { margin-bottom: 18px; }
.as-modal-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--as-text3);
  margin: 0 0 8px;
}
.as-modal-abstract {
  font-size: 0.88rem;
  color: var(--as-text2);
  line-height: 1.65;
  margin: 0;
}

.as-subjects-wrap { display: flex; flex-wrap: wrap; gap: 6px; }
.as-subject-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 50px;
  background: rgba(74,125,255,0.06);
  border: 1px solid rgba(74,125,255,0.1);
  color: #4A7DFF;
}

.as-modal-sources { display: flex; flex-wrap: wrap; gap: 8px; }

.as-score-details {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}
.as-score-item {
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  border-radius: 8px;
  padding: 8px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--as-text2);
}
.as-score-item strong { color: var(--as-text); font-size: 0.9rem; }
.as-score-item small { color: var(--as-text3); font-family: monospace; font-size: 0.7rem; }

.as-modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--as-border);
}

/* ── Scrollbar ───────────────────────────────────────────────────────────────  */
.as-modal::-webkit-scrollbar { width: 6px; }
.as-modal::-webkit-scrollbar-track { background: transparent; }
.as-modal::-webkit-scrollbar-thumb { background: #E5EAF2; border-radius: 3px; }

/* ── Responsive ──────────────────────────────────────────────────────────────  */
@media (max-width: 768px) {
  .as-header { flex-direction: column; }
  .as-source-badges { max-width: 100%; }
  .as-search-row { flex-direction: column; }
  .as-controls { flex-direction: row; }
  .as-results-grid { grid-template-columns: 1fr; }
  .as-results-bar { flex-direction: column; align-items: flex-start; }
  .as-filters { width: 100%; }
}

/* Fix: hidden attribute must override display */
.as-modal-overlay[hidden] {
  display: none !important;
}
.as-loading[hidden] {
  display: none !important;
}

/* ── Compact source status ─────────────────────────────────────────────── */
.as-sources-compact {
  padding: 6px 12px !important;
  margin-bottom: 4px !important;
}
.as-sources-compact .as-sources-title { display: none; }
.as-sources-inline {
  display: flex !important;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.as-sources-inline .as-source-badge { font-size: 0.72rem; padding: 2px 8px; }

/* ── View Toggle ───────────────────────────────────────────────────────── */
.as-view-toggle {
  display: inline-flex;
  gap: 2px;
  margin-left: 12px;
  background: rgba(74,125,255,0.08);
  border-radius: 6px;
  padding: 2px;
}
.as-view-btn {
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 1rem;
  color: #6B7788;
  transition: all 0.2s;
}
.as-view-btn:hover { background: rgba(74,125,255,0.1); }
.as-view-btn--active {
  background: #4A7DFF !important;
  color: white;
}

/* ── List View Mode ────────────────────────────────────────────────────── */
.as-results-list {
  grid-template-columns: 1fr !important;
}
.as-results-list .as-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto auto;
  gap: 0 12px;
  padding: 12px 16px;
}
.as-results-list .as-card-top { grid-column: 1; grid-row: 1/4; align-self: center; flex-direction: column; gap: 4px; }
.as-results-list .as-card-title { grid-column: 2; grid-row: 1; margin: 0; font-size: 0.9rem; }
.as-results-list .as-card-authors { grid-column: 2; grid-row: 2; display: block; font-size: 0.76rem; margin-top: 2px; opacity: 0.85; }
.as-results-list .as-card-meta { grid-column: 2; grid-row: 3; }
.as-results-list .as-card-abstract { display: none; }
.as-results-list .as-card-footer { grid-column: 3; grid-row: 1/4; align-self: center; flex-direction: column; align-items: flex-end; }

/* ── Lists Button ──────────────────────────────────────────────────────── */
.as-lists-btn {
  border: 1px solid rgba(74,125,255,0.2);
  background: rgba(74,125,255,0.06);
  color: #4A7DFF;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  margin-left: 8px;
  transition: all 0.2s;
  font-weight: 600;
}
.as-lists-btn:hover { background: rgba(74,125,255,0.12); }

/* ── Lists Panel ───────────────────────────────────────────────────────── */
.as-lists-panel {
  border: 1px solid #E5EAF2;
  border-radius: 12px;
  background: white;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.as-lists-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.as-lists-header h4 { margin: 0; font-size: 1rem; }
.as-lists-create {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.as-input-sm {
  flex: 1;
  padding: 6px 12px;
  border: 1px solid #E5EAF2;
  border-radius: 6px;
  font-size: 0.85rem;
}
.as-input-sm:focus { border-color: #4A7DFF; outline: none; box-shadow: 0 0 0 3px rgba(74,125,255,0.1); }
.as-btn--sm { font-size: 0.78rem; padding: 5px 12px; }
.as-btn--danger { color: #ef4444 !important; }
.as-list-item {
  border: 1px solid #E5EAF2;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: #FAFBFD;
}
.as-list-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.as-list-count { font-size: 0.75rem; color: #6B7788; }
.as-list-item-actions { display: flex; gap: 4px; margin-top: 6px; }
.as-list-articles { margin-top: 8px; }
.as-list-article {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid #E5EAF2;
}
.as-list-article:last-child { border-bottom: none; }
.as-list-article-num { color: #6B7788; font-size: 0.8rem; min-width: 20px; }
.as-list-article-info { flex: 1; }
.as-list-article-info strong { font-size: 0.85rem; display: block; }
.as-list-article-info small { color: #6B7788; font-size: 0.75rem; }
.as-lists-empty { color: #6B7788; font-size: 0.85rem; font-style: italic; }

/* ── Add to List popup ─────────────────────────────────────────────────── */
.as-list-popup {
  position: absolute;
  bottom: 100%;
  right: 0;
  background: white;
  border: 1px solid #E5EAF2;
  border-radius: 8px;
  padding: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 100;
  min-width: 180px;
}
.as-list-popup-title { font-size: 0.72rem; color: #6B7788; text-transform: uppercase; font-weight: 700; margin-bottom: 4px; padding: 2px 4px; }
.as-list-popup-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  padding: 6px 8px;
  font-size: 0.82rem;
  cursor: pointer;
  border-radius: 4px;
  color: #273142;
}
.as-list-popup-item:hover { background: #F0F4FA; }
.as-list-popup-item--done { color: #10b981; }

/* ── Card list button ──────────────────────────────────────────────────── */
.as-card-link--list {
  background: rgba(74,125,255,0.06) !important;
  border: 1px solid rgba(74,125,255,0.15) !important;
  cursor: pointer;
}
.as-card-link--list:hover { background: rgba(74,125,255,0.12) !important; }

.as-card-footer { position: relative; }

/* ── Filters inline row ────────────────────────────────────────────────── */
.as-results-bar {
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.as-results-bar .as-filters {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.as-results-bar .as-filters .as-select-sm {
  min-width: auto;
  width: auto;
  max-width: 160px;
  padding: 4px 8px;
  font-size: 0.78rem;
}
.as-results-bar .as-filters .as-checkbox-label {
  white-space: nowrap;
  font-size: 0.78rem;
}


/* ── Selection Bar ─────────────────────────────────────────────────────── */
.as-selection-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  background: linear-gradient(135deg, rgba(74,125,255,0.04), rgba(74,125,255,0.08));
  border: 1px solid rgba(74,125,255,0.12);
  border-radius: 8px;
  margin-bottom: 8px;
  position: relative;
}
.as-select-all-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #4A7DFF;
  cursor: pointer;
  white-space: nowrap;
}
.as-selected-count {
  font-size: 0.78rem;
  color: #6B7788;
}

/* ── Card Checkbox ─────────────────────────────────────────────────────── */
.as-card-checkbox {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: #4A7DFF;
  flex-shrink: 0;
}
.as-card-checkbox:checked ~ .as-card-rank {
  color: #4A7DFF;
}

/* ── Bulk Popup ────────────────────────────────────────────────────────── */
.as-bulk-popup {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 1px solid #E5EAF2;
  border-radius: 10px;
  padding: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  z-index: 200;
  min-width: 280px;
  margin-top: 4px;
}
.as-bulk-new-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.as-bulk-new-row .as-input-sm { flex: 1; }

/* ── Toast notification ────────────────────────────────────────────────── */
.as-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #10b981;
  color: white;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(16,185,129,0.3);
  z-index: 9999;
  animation: toastIn 0.3s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Add button on cards ───────────────────────────────────────────────── */
.as-card-add {
  background: #4A7DFF; color: white; border: none; border-radius: 50%;
  width: 28px; height: 28px; font-size: 1.1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; flex-shrink: 0;
}
.as-card-add:hover { background: #3366E6; transform: scale(1.1); }
.as-card-add.as-btn--danger { background: #ef4444; font-size: 0.8rem; }
.as-card-add.as-btn--danger:hover { background: #dc2626; }

/* ── List view ─────────────────────────────────────────────────────────── */
.as-list-view { animation: fadeIn 0.3s ease; }
.as-list-view-header {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid #E5EAF2; margin-bottom: 12px;
}
.as-list-view-header h3 { margin: 0; font-size: 1.1rem; flex: 1; }

/* ── List item in panel ────────────────────────────────────────────────── */
.as-list-icon { font-size: 1.2rem; }
.as-list-item-header:hover { background: rgba(74,125,255,0.04); border-radius: 6px; }
.as-list-item-header { display: flex; align-items: center; gap: 8px; padding: 4px; }

/* ── Export Dialog ─────────────────────────────────────────────────────── */
.as-export-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 10000; animation: fadeIn 0.2s ease;
}
.as-export-dialog {
  background: white; border-radius: 16px; padding: 24px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2); max-width: 420px; width: 90%;
  text-align: center;
}
.as-export-dialog h4 { margin: 0 0 4px; font-size: 1.1rem; color: #1A2332; }
.as-export-subtitle { color: #6B7788; font-size: 0.82rem; margin: 0 0 16px; }
.as-export-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.as-export-option {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 14px 8px; border: 1px solid #E5EAF2; border-radius: 10px;
  background: #F7F9FC; cursor: pointer; transition: all 0.2s;
}
.as-export-option:hover { border-color: #4A7DFF; background: rgba(74,125,255,0.06); transform: translateY(-1px); }
.as-export-icon { font-size: 1.6rem; }
.as-export-option span:nth-child(2) { font-weight: 600; font-size: 0.88rem; color: #1A2332; }
.as-export-option small { font-size: 0.72rem; color: #8B95A5; }
.as-export-cancel {
  background: none; border: none; color: #6B7788; cursor: pointer;
  font-size: 0.82rem; padding: 6px 16px;
}
.as-export-cancel:hover { color: #1A2332; }
@keyframes fadeIn { from { opacity:0 } to { opacity:1 } }

/* ── Ingest "Al Corpus" button ─────────────────────────────────────────── */
.as-card-link--ingest {
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 5px;
  background: linear-gradient(135deg, rgba(74,125,255,0.12), rgba(139,92,246,0.12));
  border: 1px solid rgba(74,125,255,0.3);
  color: #4A7DFF;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  font-family: var(--as-font);
  font-weight: 600;
}
.as-card-link--ingest:hover {
  background: linear-gradient(135deg, rgba(74,125,255,0.22), rgba(139,92,246,0.22));
  border-color: #4A7DFF;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(74,125,255,0.18);
}
.as-card-link--ingest:active { transform: translateY(0); }
.as-card-link--ingest:disabled,
.as-card-link--ingest[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}
.as-card-link--ingest-disabled {
  font-size: 0.72rem;
  padding: 3px 7px;
  border-radius: 5px;
  background: var(--as-surface2);
  border: 1px solid var(--as-border);
  color: var(--as-text3);
  opacity: 0.4;
  cursor: not-allowed;
}
.as-card-link--loading {
  animation: as-ingest-pulse 1s ease-in-out infinite;
}
.as-card-link--done {
  background: rgba(16,185,129,0.15) !important;
  border-color: rgba(16,185,129,0.4) !important;
  color: #16A34A !important;
  cursor: default !important;
}
.as-card-link--warn {
  background: rgba(245,158,11,0.12) !important;
  border-color: rgba(245,158,11,0.35) !important;
  color: #D97706 !important;
}
@keyframes as-ingest-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* ── Modal ingest button ──────────────────────────────────────────────── */
.as-btn--ingest {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--as-radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--as-font);
  cursor: pointer;
  border: 1px solid rgba(74,125,255,0.4);
  background: linear-gradient(135deg, #4A7DFF, #7E5CF6);
  color: #FFFFFF;
  transition: all 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 10px rgba(74,125,255,0.2);
}
.as-btn--ingest:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(74,125,255,0.3);
}
.as-btn--ingest:active { transform: translateY(0); }
.as-btn--ingest:disabled,
.as-btn--ingest[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}
.as-btn--disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* ── Toast notifications ──────────────────────────────────────────────── */
.as-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--as-font);
  z-index: 99999;
  animation: as-toast-in 0.35s ease;
  max-width: 520px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
}
.as-toast--success {
  background: linear-gradient(135deg, #059669, #10b981);
  color: #FFFFFF;
  border: 1px solid rgba(16,185,129,0.5);
}
.as-toast--warn {
  background: linear-gradient(135deg, #D97706, #F59E0B);
  color: #FFFFFF;
  border: 1px solid rgba(245,158,11,0.5);
}
.as-toast--error {
  background: linear-gradient(135deg, #DC2626, #EF4444);
  color: #FFFFFF;
  border: 1px solid rgba(239,68,68,0.5);
}
@keyframes as-toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(16px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}