:root {
  /* Spacing scale — use everywhere for rhythm */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.75rem;
  --space-8: 2.5rem;

  /* Controls */
  --control-y: 0.7rem;
  --control-x: 0.9rem;
  --radius: 12px;
  --radius-sm: 8px;

  /* Futuristic cool palette (light, cyan steel — not purple) */
  --ink: #0b1220;
  --ink-muted: #5a6578;
  --paper: #eef2f7;
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --line: #d3dce8;
  --accent: #0891b2;
  --accent-hover: #0e7490;
  --accent-soft: #dff6fb;
  --link: #0284c7;
  --danger: #e11d48;
  --shadow: 0 1px 0 rgba(11, 18, 32, 0.04), 0 14px 40px rgba(11, 18, 32, 0.07);
  --font: "Outfit", "Segoe UI", sans-serif;
  --display: "Space Grotesk", "Outfit", sans-serif;
  /* Shared size for sidebar “Scraper” and page “Create new search” titles */
  --title-size: 1.35rem;
  --title-line: 1.15;
  --title-weight: 700;
  --title-tracking: -0.04em;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(ellipse 90% 60% at 0% -10%, rgba(8, 145, 178, 0.16), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(2, 132, 199, 0.1), transparent 50%),
    linear-gradient(180deg, #f7fafc 0%, var(--paper) 45%, #e8eef6 100%);
  background-attachment: fixed;
  line-height: 1.55;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

.app-shell {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  min-height: 100vh;
  gap: 0;
}

/* Hide main content until auth + last view/alert are restored (avoids blank Create search flash). */
body.app-booting .app-main {
  visibility: hidden;
}

html.no-shortages-service [data-tree-group="shortages"],
html.no-shortages-service #shortages-panel,
.tree-group.service-hidden[data-tree-group="shortages"],
#shortages-panel.service-hidden {
  display: none !important;
}

html.no-journals-service [data-tree-group="journals"],
html.no-journals-service #journal-panel,
.tree-group.service-hidden[data-tree-group="journals"],
#journal-panel.service-hidden {
  display: none !important;
}

html[data-boot-view="alert"] #nav-create-search[aria-current="page"],
html[data-boot-view="shortages"] #nav-create-search[aria-current="page"],
html[data-boot-shortage-alert] #nav-create-shortage-search[aria-current="page"] {
  background: transparent;
  color: inherit;
}

/* During boot, show the correct main panel before JS finishes hydrating. */
html[data-boot-view="shortages"] #journal-panel {
  display: none !important;
}

html[data-boot-view="shortages"] #shortages-panel {
  display: block !important;
}

html[data-boot-view="shortages"] .app-main {
  width: min(900px, calc(100% - var(--space-8)));
}

html[data-boot-view="alert"] #shortages-panel,
html[data-boot-view="create-search"] #shortages-panel {
  display: none !important;
}

html[data-boot-view="alert"] #journal-panel,
html[data-boot-view="create-search"] #journal-panel {
  display: block !important;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: var(--space-5) var(--space-3) var(--space-4);
  background: color-mix(in srgb, var(--surface) 88%, #e8eef8);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow: auto;
  backdrop-filter: blur(12px);
}

.sidebar-brand {
  padding: var(--space-2) var(--space-3) var(--space-4);
}

.sidebar-brand .brand {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  line-height: 1;
}

.brand-mark {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(145deg, #22d3ee 0%, var(--accent) 48%, var(--accent-hover) 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.28) inset,
    0 8px 18px rgba(8, 145, 178, 0.28);
}

.brand-mark svg {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}

.brand-text {
  font-family: var(--display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--ink);
}

.sidebar-tree {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1 1 auto;
  min-height: 0;
}

.sidebar-account {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
  position: relative;
  flex: 0 0 auto;
}

.account-menu {
  position: relative;
}

.account-menu-trigger {
  appearance: none;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  padding: 0.55rem 0.6rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.account-menu-trigger:hover,
.account-menu[data-open="true"] .account-menu-trigger {
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  border-color: var(--line);
}

.account-avatar {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, var(--surface-soft));
  color: var(--accent-hover);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
}

.account-meta {
  flex: 1 1 auto;
  min-width: 0;
  display: grid;
  gap: 0.1rem;
}

.account-name,
.account-email {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
}

.account-email {
  font-size: 0.75rem;
  color: var(--ink-muted);
  line-height: 1.2;
}

.account-menu-dots {
  flex: 0 0 auto;
  color: var(--ink-muted);
  display: grid;
  place-items: center;
}

.account-menu-panel {
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% + 0.45rem);
  z-index: 40;
  display: grid;
  gap: 0.15rem;
  padding: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.account-menu-panel[hidden] {
  display: none !important;
}

.account-menu-item {
  appearance: none;
  width: 100%;
  margin: 0;
  padding: 0.55rem 0.7rem;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.account-menu-item:hover {
  background: var(--surface-soft);
}

.account-menu-danger {
  color: var(--danger);
}

.account-menu-appearance {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0.7rem;
}

.account-menu-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}

.account-menu-divider {
  height: 1px;
  margin: 0.25rem 0.35rem;
  background: var(--line);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.18rem;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.theme-toggle-btn {
  appearance: none;
  width: 1.7rem;
  height: 1.7rem;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
}

.theme-toggle-btn svg {
  width: 0.95rem;
  height: 0.95rem;
  display: block;
}

.theme-toggle-btn[aria-pressed="true"] {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(11, 18, 32, 0.08);
}

.profile-modal[hidden] {
  display: none !important;
}

.profile-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.profile-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 18, 32, 0.45);
}

.profile-modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 460px);
  max-height: min(92vh, 720px);
  overflow: auto;
  padding: var(--space-5);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.profile-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.profile-modal-kicker {
  margin: 0 0 0.2rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.profile-modal-header h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.profile-form {
  display: grid;
  gap: var(--space-4);
}

.profile-email-line {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.profile-email-line strong {
  color: var(--ink);
  font-weight: 600;
  word-break: break-all;
}

.profile-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.profile-field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-muted);
}

.profile-field input {
  width: 100%;
  margin: 0;
  padding: var(--control-y) var(--control-x);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 500;
}

.profile-field input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.profile-fieldset {
  margin: 0;
  padding: 0;
  border: 0;
  display: grid;
  gap: var(--space-3);
}

.profile-fieldset legend {
  padding: 0;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
}

.profile-hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.profile-service-list {
  display: grid;
  gap: var(--space-2);
}

.profile-service-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin: 0;
  padding: var(--control-y) var(--control-x);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  font: inherit;
  cursor: pointer;
}

.profile-service-option:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.profile-service-option:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  background: var(--surface);
}

.profile-service-option input {
  width: 1rem;
  height: 1rem;
  margin: 0.2rem 0 0;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.profile-service-copy {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.profile-service-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.profile-service-desc {
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

.profile-status {
  margin: 0;
  font-size: 0.88rem;
}

.profile-status.is-error {
  color: var(--danger);
}

.profile-status.is-ok {
  color: var(--accent-hover);
}

.profile-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  flex-wrap: wrap;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e8eef8;
  --ink-muted: #9aa6ba;
  --paper: #0b1220;
  --surface: #121a2a;
  --surface-soft: #182235;
  --line: #2a364c;
  --accent: #22d3ee;
  --accent-hover: #67e8f9;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --link: #38bdf8;
  --danger: #fb7185;
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.35), 0 18px 40px rgba(0, 0, 0, 0.35);
}

html[data-theme="dark"] body {
  background-color: var(--paper);
  background-image:
    radial-gradient(ellipse 90% 60% at 0% -10%, rgba(34, 211, 238, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(56, 189, 248, 0.08), transparent 50%),
    linear-gradient(180deg, #0d1524 0%, var(--paper) 45%, #080e18 100%);
}

html[data-theme="dark"] .sidebar {
  background: color-mix(in srgb, var(--surface) 92%, #0b1220);
}

html[data-theme="dark"] .theme-toggle-btn[aria-pressed="true"] {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

html[data-theme="dark"] .profile-modal-backdrop {
  background: rgba(0, 0, 0, 0.55);
}

@media (max-width: 520px) {
  .profile-grid-2 {
    grid-template-columns: 1fr;
  }
}

.tree-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.tree-row {
  appearance: none;
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 500;
  text-align: left;
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 1.85rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.tree-row:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.tree-row[aria-current="page"],
.tree-row.is-active {
  background: var(--accent-soft);
  color: var(--accent-hover);
  font-weight: 600;
}

.tree-chevron {
  width: 1rem;
  height: 1rem;
  flex: 0 0 1rem;
  display: inline-grid;
  place-items: center;
  color: var(--ink-muted);
  transition: transform 0.15s ease;
}

.tree-chevron::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid currentColor;
}

.tree-group[data-expanded="true"] > .tree-folder > .tree-chevron {
  transform: rotate(90deg);
}

.tree-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tree-children {
  position: relative;
  margin-left: 0.75rem;
  padding-left: 0.55rem;
  border-left: 1px solid color-mix(in srgb, var(--line) 80%, var(--accent));
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.tree-group[data-expanded="false"] > .tree-children {
  display: none;
}

.tree-leaf-indent {
  width: 1rem;
  flex: 0 0 1rem;
}

.tree-folder.nested {
  padding-left: 0.2rem;
}

.tree-children.nested {
  margin-left: 1.15rem;
}

.tree-history-item {
  position: relative;
}

.tree-history-item .tree-delete {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font: inherit;
  font-size: 0.85rem;
  line-height: 1;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.12s ease, background 0.12s ease;
}

.tree-history-item:hover .tree-delete,
.tree-history-item.is-active .tree-delete {
  opacity: 1;
}

.tree-delete:hover {
  background: color-mix(in srgb, var(--danger) 12%, white);
  color: var(--danger);
}

.tree-empty {
  margin: var(--space-1) 0 var(--space-2);
  padding: var(--space-1) var(--space-2) var(--space-1) 1.2rem;
  color: var(--ink-muted);
  font-size: 0.84rem;
}

.btn-ghost {
  background: transparent;
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 28%, white);
  padding: 0.45rem 0.75rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--danger) 8%, white);
}

.app-main {
  width: min(900px, calc(100% - var(--space-8)));
  margin: 0 auto;
  /* Match sidebar top inset so page title lines up with “Scraper” */
  padding: calc(var(--space-5) + var(--space-2)) 0 4rem;
}

body.shortages-view .app-main {
  width: min(900px, calc(100% - var(--space-8)));
}

.header {
  margin-bottom: var(--space-6);
}

.header h1 {
  margin: 0 0 var(--space-2);
  font-family: var(--font);
  font-size: var(--title-size);
  font-weight: var(--title-weight);
  letter-spacing: var(--title-tracking);
  color: var(--ink);
  line-height: var(--title-line);
}

.lede {
  margin: 0;
  color: var(--ink-muted);
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.55;
}

/* Unified form controls */
#search-title,
#alert-email-input,
#keyword-input,
#journal-input,
#shortage-search-title,
#shortage-drug-name,
#shortage-alert-email-input,
.journal-search-wrap > input,
.keyword-row input,
.search-form input[type="text"],
.search-form input[type="email"],
.search-form select,
.ai-chat-form input,
.filter-block select {
  width: 100%;
  padding: var(--control-y) var(--control-x);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--ink);
  background: var(--surface-soft);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

#search-title:focus,
#alert-email-input:focus,
#keyword-input:focus,
#journal-input:focus,
#shortage-search-title:focus,
#shortage-drug-name:focus,
#shortage-alert-email-input:focus,
.journal-search-wrap > input:focus,
.keyword-row input:focus,
.search-form input[type="text"]:focus,
.search-form input[type="email"]:focus,
.search-form select:focus,
.ai-chat-form input:focus,
.filter-block select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.search-stack {
  position: relative;
}

.paper-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-left: var(--space-3);
  position: relative;
  z-index: 1;
  margin-bottom: -1px;
}

.paper-tab {
  appearance: none;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: color-mix(in srgb, var(--surface) 60%, var(--paper));
  color: var(--ink-muted);
  font: inherit;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.7rem 1.15rem 0.85rem;
  border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer;
  position: relative;
  top: 6px;
}

.paper-tab:hover {
  color: var(--ink);
}

.paper-tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--ink);
  top: 0;
  padding-bottom: 0.95rem;
  z-index: 2;
}

.search-form {
  position: relative;
  z-index: 2;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-6);
  backdrop-filter: blur(10px);
}

.field-block h2,
.filter-block h2,
.results-header h2 {
  margin: 0 0 var(--space-3);
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.journal-picker {
  display: grid;
  gap: var(--space-3);
}

.journal-search-wrap {
  position: relative;
}

.journal-search-wrap > input {
  width: 100%;
}

.journal-suggestions {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  z-index: 80;
  margin: 0;
  padding: var(--space-2);
  list-style: none;
  max-height: 18rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.journal-suggestion {
  display: grid;
  gap: 0.15rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.12s ease;
}

.journal-suggestion.is-active,
.journal-suggestion:hover {
  background: var(--accent-soft);
}

.journal-suggestion-title {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 500;
}

.journal-suggestion-meta {
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.journal-list {
  display: grid;
  gap: var(--space-3);
}

.field-hint {
  margin: calc(var(--space-2) * -1) 0 var(--space-3);
  color: var(--ink-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.where-list {
  display: grid;
  gap: var(--space-2);
}

.where-group-label {
  margin: var(--space-2) 0 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.where-item,
.journal-item,
.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  color: var(--ink);
  font-size: 0.94rem;
}

.where-item input,
.journal-item input,
.filter-option input,
.date-option input[type="radio"] {
  accent-color: var(--accent);
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.journal-item {
  align-items: flex-start;
}

.journal-item input {
  margin-top: 0.2rem;
}

.keyword-row {
  display: flex;
  gap: var(--space-2);
}

.keyword-row input {
  flex: 1;
  min-width: 0;
}

.keyword-chips {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.keyword-chips:empty {
  display: none;
  margin: 0;
}

.keyword-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.35rem 0.4rem 0.35rem 0.7rem;
  background: var(--accent-soft);
  color: var(--accent-hover);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, white);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
}

.keyword-chip button {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  line-height: 1;
  display: grid;
  place-items: center;
}

.keyword-chip button:hover {
  background: color-mix(in srgb, var(--accent) 18%, white);
}

.date-options {
  display: grid;
  gap: 0.2rem;
}

.date-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: var(--space-3);
  align-items: center;
  min-height: 2.15rem;
}

.date-option > input[type="radio"] {
  margin: 0;
}

.date-option-main {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  min-width: 7.5rem;
}

.date-option-main input[type="radio"] {
  margin: 0;
  flex-shrink: 0;
}

.date-label {
  font-weight: 500;
}

.date-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  min-height: 1.9rem;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.date-controls.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.date-to {
  color: var(--ink-muted);
  padding: 0 var(--space-1);
}

@media (max-width: 640px) {
  .date-option {
    grid-template-columns: 1fr;
    row-gap: 0.35rem;
    min-height: 0;
  }

  .date-controls {
    padding-left: calc(1rem + var(--space-3));
  }
}

/* Shared custom menus (sort + date) */
.menu-select,
.sort-menu {
  position: relative;
}

.menu-select-trigger,
.sort-trigger {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235a6578' d='M1.4.6 6 5.2 10.6.6 12 2 6 8 0 2z'/%3E%3C/svg%3E")
      right 0.75rem center / 10px no-repeat,
    var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.2;
  padding: 0.4rem 2rem 0.4rem 0.7rem;
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.menu-select-trigger:hover,
.sort-trigger:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.menu-select-trigger[aria-expanded="true"],
.sort-trigger[aria-expanded="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.menu-select-trigger:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.menu-select-options,
.sort-options {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  z-index: 50;
  margin: 0;
  padding: var(--space-1);
  list-style: none;
  min-width: 100%;
  width: max-content;
  max-height: 16rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.sort-options {
  right: 0;
  left: auto;
}

.menu-select-options[hidden],
.sort-options[hidden] {
  display: none;
}

.menu-select-options [role="option"],
.sort-options [role="option"] {
  padding: 0.55rem 0.75rem;
  border-radius: 6px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s ease, color 0.12s ease;
}

.menu-select-options [role="option"]:hover,
.menu-select-options [role="option"]:focus-visible,
.sort-options [role="option"]:hover,
.sort-options [role="option"]:focus-visible {
  background: var(--accent-soft);
  color: var(--accent-hover);
  outline: none;
}

.menu-select-options [role="option"][aria-selected="true"],
.sort-options [role="option"][aria-selected="true"] {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.menu-select-options [role="option"][aria-selected="true"]::before,
.sort-options [role="option"][aria-selected="true"]::before {
  content: "✓ ";
  font-weight: 700;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line);
}

.btn {
  appearance: none;
  border: 0;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  padding: var(--control-y) 1.15rem;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(160deg, #06b6d4 0%, var(--accent) 55%, var(--accent-hover) 100%);
  color: #fff;
  min-width: 7.5rem;
  box-shadow: 0 6px 18px rgba(8, 145, 178, 0.28);
}

.btn-primary:hover {
  background: linear-gradient(160deg, #22d3ee 0%, var(--accent-hover) 70%);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--ink);
  color: #fff;
  padding-inline: 1rem;
}

.btn-secondary:hover {
  background: #1e293b;
}

.status {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.status.error {
  color: var(--danger);
}

.status.ok {
  color: var(--accent-hover);
}

.results {
  margin-top: var(--space-6);
}

.results-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
  margin-bottom: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.results-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.sort-control {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.sort-label {
  white-space: nowrap;
}

.results-meta {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.skipped {
  margin: 0 0 var(--space-3);
  padding: var(--space-3);
  background: #fff7ed;
  color: #9a3412;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.article-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-5);
  padding-right: 9.5rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.article-card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

.article-card-actions {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.4rem;
}

.ask-ai-btn {
  appearance: none;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  padding: 0.55rem 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ask-ai-btn:hover,
.ask-ai-btn:focus-visible {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  outline: none;
}

.ask-ai-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.favorite-btn {
  appearance: none;
  position: relative;
  width: auto;
  height: auto;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: #94a3b8;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.55rem 0.65rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.favorite-btn:hover,
.favorite-btn:focus-visible {
  background: #fef9c3;
  border-color: #fde68a;
  color: #eab308;
  outline: none;
  transform: scale(1.05);
}

.favorite-btn.is-active {
  color: #eab308;
  border-color: #fde68a;
  background: #fefce8;
}

.favorite-btn:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.favorite-btn[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  right: calc(100% + 0.45rem);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: var(--ink);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.55rem;
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
}

.favorite-btn:hover::after,
.favorite-btn:focus-visible::after {
  opacity: 1;
}

.results-toolbar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
  flex-shrink: 0;
}

.btn-download {
  appearance: none;
  display: inline-flex;
  align-items: center;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.2;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.btn-download:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  background: color-mix(in srgb, var(--accent-soft) 40%, var(--surface));
}

.btn-download:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ai-modal[hidden] {
  display: none;
}

.ai-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.ai-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 18, 32, 0.48);
  backdrop-filter: blur(4px);
}

.ai-modal-panel {
  position: relative;
  z-index: 1;
  width: min(680px, 100%);
  max-height: min(88vh, 860px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: 0 24px 80px rgba(11, 18, 32, 0.28);
  padding: var(--space-5);
  display: grid;
  gap: var(--space-3);
}

.ai-modal-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: start;
}

.ai-modal-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ai-modal-header h2 {
  margin: 0.2rem 0 0;
  font-family: var(--display);
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.ai-modal-close {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
}

.ai-modal-source {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.ai-modal-summary {
  background: var(--surface-soft);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: 0.94rem;
  line-height: 1.55;
}

.ai-modal-summary:not(.ai-markdown) {
  white-space: pre-wrap;
}

.ai-chat {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-1);
}

.ai-chat-log {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: min(280px, 36vh);
  overflow: auto;
  scroll-behavior: smooth;
}

.ai-chat-form {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  position: sticky;
  bottom: 0;
  padding-top: var(--space-2);
  background: linear-gradient(
    to bottom,
    color-mix(in srgb, var(--surface) 0%, transparent),
    var(--surface) 28%
  );
}

.ai-chat-form input {
  flex: 1;
  min-width: 0;
}

.ai-chat-form button:disabled,
.ai-chat-form input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ai-chat-bubble {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.45;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  align-self: stretch;
}

.ai-chat-bubble:not(.ai-markdown) {
  white-space: pre-wrap;
}

.ai-markdown {
  display: grid;
  gap: 0.65rem;
}

.ai-markdown h3 {
  margin: 0.35rem 0 0;
  font-family: var(--display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.3;
}

.ai-markdown h3:first-child {
  margin-top: 0;
}

.ai-markdown p {
  margin: 0;
  color: var(--ink);
}

.ai-markdown ul,
.ai-markdown ol {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.35rem;
}

.ai-markdown li {
  margin: 0;
  padding-left: 0.15rem;
}

.ai-markdown li::marker {
  color: var(--accent-hover);
  font-weight: 600;
}

.ai-markdown strong {
  font-weight: 700;
  color: var(--ink);
}

.ai-markdown em {
  font-style: italic;
}

.ai-markdown u {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

.ai-chat-bubble.user {
  background: var(--accent-soft);
}

.ai-chat-bubble.assistant {
  background: var(--surface-soft);
}

.ai-chat-bubble.error {
  background: #ffe4e6;
  color: var(--danger);
}

.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;
}

.article-title {
  display: inline-block;
  color: var(--link);
  font-weight: 650;
  font-size: 1.02rem;
  line-height: 1.35;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.article-title:hover {
  text-decoration: underline;
}

.article-authors,
.article-journal,
.article-date,
.article-keywords {
  margin: var(--space-2) 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.article-pubmed-link {
  margin: var(--space-2) 0 0;
  font-size: 0.88rem;
}

.article-pubmed-link a,
.shortages-lede a,
.shortages-table a,
.abstract-toggle {
  color: var(--link);
  text-decoration: none;
  font-weight: 600;
}

.article-pubmed-link a:hover,
.shortages-lede a:hover,
.shortages-table a:hover,
.abstract-toggle:hover {
  text-decoration: underline;
}

.article-journal {
  font-weight: 500;
}

.article-date {
  color: var(--ink);
}

.article-empty {
  color: var(--ink-muted);
  padding: var(--space-2) 0;
}

.abstract-toggle {
  appearance: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.abstract-chevron {
  font-size: 0.8rem;
  line-height: 1;
  transition: transform 0.15s ease;
}

.abstract-toggle[aria-expanded="true"] .abstract-chevron {
  transform: rotate(180deg);
}

.abstract-body {
  margin: var(--space-3) 0 0;
  padding: var(--space-3);
  background: var(--surface-soft);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.shortages-panel {
  margin-top: var(--space-1);
}

/* Match journal search-stack: no outer card — .search-form is the card */
.shortages-stack {
  position: relative;
  display: grid;
  gap: var(--space-6);
  background: none;
  border: 0;
  box-shadow: none;
  padding: 0;
  backdrop-filter: none;
}

.filter-options {
  display: grid;
  gap: var(--space-2);
}

#shortage-status-filter.menu-select {
  width: auto;
  max-width: 100%;
}

.shortages-empty {
  margin: 0 0 var(--space-3);
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.shortages-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
}

.shortages-table {
  width: max-content;
  border-collapse: collapse;
  font: inherit;
  font-size: 0.84rem;
}

.shortages-table th,
.shortages-table td {
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  white-space: nowrap;
}

/* Keep long text columns compact; full value visible on hover title. */
.shortages-table th:nth-child(1),
.shortages-table td:nth-child(1),
.shortages-table th:nth-child(3),
.shortages-table td:nth-child(3) {
  max-width: 10.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shortages-table th {
  background: var(--surface-soft);
  font-family: var(--display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.shortages-table td:last-child,
.shortages-table th:last-child {
  white-space: nowrap;
}

.shortages-table tbody tr:last-child td {
  border-bottom: 0;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 480px) {
  .app-main {
    width: min(100% - 1.25rem, 900px);
    padding-top: var(--space-5);
  }

  body.shortages-view .app-main {
    width: min(100% - 1.25rem, 900px);
  }

  .search-form {
    padding: var(--space-4);
  }

  .keyword-row {
    flex-direction: column;
  }
}