/* Journal Picker — styles */

:root {
  --bg:        #f6f7f9;
  --panel:     #ffffff;
  --panel-2:   #fbfcfd;
  --ink:       #16191f;
  --ink-2:     #4a525f;
  --ink-3:     #79828f;
  --line:      #e2e6ec;
  --line-2:    #eef1f5;
  --accent:    #1f6feb;
  --accent-ink:#ffffff;
  --accent-sf: #e8f0fe;
  --good:      #0f7b4f;
  --good-sf:   #e2f4ec;
  --warn:      #9a5b00;
  --warn-sf:   #fdf0dc;
  --cost:      #7b3fb8;
  --cost-sf:   #f1e9fb;
  --danger:    #b3261e;
  --shadow:    0 1px 2px rgba(16,20,28,.05), 0 6px 20px rgba(16,20,28,.05);
  --radius:    12px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #0f1116;
    --panel:     #171a21;
    --panel-2:   #1c2029;
    --ink:       #e9edf3;
    --ink-2:     #a8b2c1;
    --ink-3:     #7c8698;
    --line:      #2a2f3a;
    --line-2:    #232833;
    --accent:    #5b9bff;
    --accent-ink:#0c1220;
    --accent-sf: #1a2740;
    --good:      #4fd39a;
    --good-sf:   #14312a;
    --warn:      #e8b060;
    --warn-sf:   #33270f;
    --cost:      #c39cf0;
    --cost-sf:   #281c3a;
    --danger:    #ff8a80;
    --shadow:    0 1px 2px rgba(0,0,0,.3), 0 8px 26px rgba(0,0,0,.28);
  }
}
:root[data-theme="dark"] {
  --bg:#0f1116; --panel:#171a21; --panel-2:#1c2029; --ink:#e9edf3; --ink-2:#a8b2c1;
  --ink-3:#7c8698; --line:#2a2f3a; --line-2:#232833; --accent:#5b9bff; --accent-ink:#0c1220;
  --accent-sf:#1a2740; --good:#4fd39a; --good-sf:#14312a; --warn:#e8b060; --warn-sf:#33270f;
  --cost:#c39cf0; --cost-sf:#281c3a; --danger:#ff8a80;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 26px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }

/* keep the sticky header from clipping scrolled-to cards */
html { scroll-padding-top: 68px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* ---------- top bar ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 85%, transparent);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.topbar-in { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; letter-spacing: -.01em; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px; flex: none;
  background: linear-gradient(135deg, var(--accent), var(--cost));
}
.brand-text { display: flex; align-items: baseline; gap: 8px; }
.brand-sub {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .09em;
  color: var(--ink-3); border: 1px solid var(--line); border-radius: 20px; padding: 2px 8px;
}
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.src-note { font-size: 12px; color: var(--ink-3); }

/* ---------- panels ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin: 18px 0;
  box-shadow: var(--shadow);
}
.intro { background: none; border: none; box-shadow: none; padding: 26px 0 0; margin-bottom: 4px; }
h1 { font-size: 27px; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 8px; }
h2 { font-size: 15px; margin: 0 0 14px; letter-spacing: -.01em; }
.lede { color: var(--ink-2); max-width: 66ch; margin: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; }

/* ---------- form ---------- */
.field { margin-bottom: 16px; }
.field:last-of-type { margin-bottom: 0; }
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.label-row { display: flex; justify-content: space-between; align-items: baseline; }
.label-row label { margin-bottom: 6px; }
.counter, output { font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }

input[type="text"], textarea {
  width: 100%; padding: 10px 12px;
  background: var(--panel-2); color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px;
  font: inherit; resize: vertical;
}
textarea { line-height: 1.55; min-height: 120px; }
input[type="text"]:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
::placeholder { color: var(--ink-3); }

.actions { display: flex; align-items: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.primary-btn, .ghost-btn {
  font: inherit; font-weight: 600; font-size: 14px;
  border-radius: 9px; padding: 9px 16px; cursor: pointer;
  border: 1px solid transparent; transition: .13s;
}
.primary-btn { background: var(--accent); color: var(--accent-ink); }
.primary-btn:hover { filter: brightness(1.08); }
.primary-btn:disabled { opacity: .55; cursor: progress; }
.ghost-btn { background: transparent; color: var(--ink-2); border-color: var(--line); }
.ghost-btn:hover { background: var(--panel-2); color: var(--ink); }
#themeBtn { padding: 5px 10px; font-size: 15px; }

.status { font-size: 13px; color: var(--ink-2); }
.status.err { color: var(--danger); }
.spin {
  display: inline-block; width: 12px; height: 12px; margin-right: 7px;
  border: 2px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin .7s linear infinite; vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- filters ---------- */
.filter-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
}
.filter > label:first-child {
  font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-3);
  padding-bottom: 7px; border-bottom: 1px solid var(--line-2); margin-bottom: 11px;
}
.filter .label-row label { font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-3); }
.hint { font-size: 12px; color: var(--ink-3); margin: 8px 0 0; line-height: 1.45; }
.hint code { font-family: var(--mono); font-size: 11px; background: var(--panel-2); padding: 1px 4px; border-radius: 4px; }

input[type="range"] { width: 100%; accent-color: var(--accent); margin: 6px 0 2px; }
.apc-out { font-size: 17px; font-weight: 700; color: var(--ink); letter-spacing: -.02em; }
.ticks { display: flex; justify-content: space-between; font-size: 10px; color: var(--ink-3); font-variant-numeric: tabular-nums; }

.radio-list { display: flex; flex-direction: column; gap: 2px; }
.radio, .check { display: flex; gap: 9px; align-items: flex-start; padding: 7px 8px;
  border-radius: 8px; cursor: pointer; font-weight: 400; font-size: 13px; margin: 0; }
.radio:hover, .check:hover { background: var(--panel-2); }
.radio input, .check input { margin: 2px 0 0; accent-color: var(--accent); flex: none; }
.radio span, .check span { display: flex; flex-direction: column; gap: 1px; }
.radio b, .check b { font-weight: 600; }
.radio em, .check em { font-style: normal; font-size: 11.5px; color: var(--ink-3); }
.sub-field { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line-2); }

.drop {
  border: 1.5px dashed var(--line); border-radius: 10px; padding: 14px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--panel-2); transition: .15s;
}
.drop.over { border-color: var(--accent); background: var(--accent-sf); }
.drop-hint { font-size: 12px; color: var(--ink-3); }
.agree-status { font-size: 12px; margin-top: 9px; line-height: 1.5; }
.agree-status .ok { color: var(--good); font-weight: 600; }
.agree-status .bad { color: var(--danger); }
.agree-status .pubs { color: var(--ink-3); display: block; margin-top: 2px; }

/* ---------- evidence ---------- */
.evidence { background: var(--panel-2); }
.ev-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.ev-block h4 {
  font-size: 11px; text-transform: uppercase; letter-spacing: .07em;
  color: var(--ink-3); margin: 0 0 8px; font-weight: 600;
}
.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  font-size: 11.5px; padding: 3px 9px; border-radius: 20px;
  background: var(--panel); border: 1px solid var(--line); color: var(--ink-2);
}
.chip.q { font-family: var(--mono); font-size: 11px; }
.ev-stats { display: flex; gap: 22px; flex-wrap: wrap; }
.ev-stat b { display: block; font-size: 21px; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.ev-stat span { font-size: 11.5px; color: var(--ink-3); }

/* ---------- results ---------- */
.results { margin: 18px 0 34px; }
.res-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px; flex-wrap: wrap; margin-bottom: 12px; padding: 0 2px;
}
.res-head h2 { margin: 0; font-size: 17px; }
.res-count { font-size: 13px; color: var(--ink-3); }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 10px; box-shadow: var(--shadow);
  transition: .15s; position: relative; overflow: hidden;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }
.card.over-budget { opacity: .5; }
.card.over-budget:hover { opacity: .85; }
.card.covered { border-left: 3px solid var(--good); }

.card-head { display: flex; gap: 14px; align-items: flex-start; }
.fitwrap { position: relative; width: 44px; height: 44px; flex: none; }
.ring { width: 44px; height: 44px; transform: rotate(-90deg); }
.ring-bg, .ring-fg { fill: none; stroke-width: 3.5; }
.ring-bg { stroke: var(--line); }
.ring-fg { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset .5s ease; }
.fitnum {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums;
}
.card-title { flex: 1; min-width: 0; }
.card-title h3 { margin: 1px 0 3px; font-size: 16px; letter-spacing: -.01em; line-height: 1.3; }
.jname { color: var(--ink); text-decoration: none; }
.jname:hover { color: var(--accent); text-decoration: underline; }
.jmeta { margin: 0; font-size: 12.5px; color: var(--ink-3); }
.card-cost { text-align: right; flex: none; }
.cost-amount {
  display: block; font-size: 18px; font-weight: 700;
  letter-spacing: -.02em; font-variant-numeric: tabular-nums;
}
.cost-amount.free { color: var(--good); }
.cost-amount.unknown { color: var(--ink-3); font-size: 15px; }
.cost-label { font-size: 11px; color: var(--ink-3); }

.badges { display: flex; flex-wrap: wrap; gap: 5px; margin: 11px 0 0; }
.badge {
  font-size: 11px; font-weight: 600; padding: 2.5px 8px; border-radius: 20px;
  border: 1px solid transparent; white-space: nowrap;
}
.b-cover { background: var(--good); color: var(--panel); font-weight: 700; }
.b-diamond { background: var(--good-sf); color: var(--good); }
.b-fast { background: var(--good-sf); color: var(--good); }
.b-slow { background: var(--warn-sf); color: var(--warn); }
.b-oa    { background: var(--accent-sf); color: var(--accent); }
.b-doaj  { background: var(--good-sf); color: var(--good); }
.b-cost  { background: var(--cost-sf); color: var(--cost); }
.b-warn  { background: var(--warn-sf); color: var(--warn); }
.b-plain { background: var(--panel-2); color: var(--ink-3); border-color: var(--line); }

.why { margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--line-2); }
.why-bars { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 7px; }
.wb { font-size: 11px; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.wb i { display: block; height: 4px; width: 54px; border-radius: 3px; background: var(--line); overflow: hidden; }
.wb i b { display: block; height: 100%; background: var(--accent); border-radius: 3px; }
.why-text { margin: 0; font-size: 12.5px; color: var(--ink-2); }

.papers { margin-top: 10px; }
.papers summary {
  cursor: pointer; font-size: 12.5px; color: var(--accent); font-weight: 600;
  list-style: none; display: inline-flex; align-items: center; gap: 5px;
}
.papers summary::-webkit-details-marker { display: none; }
.papers summary::before { content: "▸"; font-size: 10px; transition: .15s; }
.papers[open] summary::before { transform: rotate(90deg); }
.paper-list { margin: 9px 0 0; padding-left: 0; list-style: none; }
.paper-list li {
  font-size: 12.5px; color: var(--ink-2); padding: 5px 0 5px 11px;
  border-left: 2px solid var(--line); line-height: 1.45;
}
.paper-list a { color: var(--ink-2); text-decoration: none; }
.paper-list a:hover { color: var(--accent); text-decoration: underline; }
.paper-list .py { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.jtopics { font-size: 11.5px; color: var(--ink-3); margin: 10px 0 0; }

.empty-state { text-align: center; color: var(--ink-2); }
.empty-state h2 { font-size: 16px; }

.foot { padding: 4px 20px 40px; }
.foot p { font-size: 11.5px; color: var(--ink-3); line-height: 1.6; max-width: 84ch; margin: 0; }
a { color: var(--accent); }

@media (max-width: 620px) {
  h1 { font-size: 22px; }
  .card-head { flex-wrap: wrap; }
  .card-cost { text-align: left; width: 100%; margin-top: 4px; }
  .brand-sub { display: none; }
}

/* ---------- api key + quota ---------- */
.quota {
  font-size: 11px; font-variant-numeric: tabular-nums;
  padding: 3px 9px; border-radius: 20px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--ink-3);
}
.quota.low { background: var(--warn-sf); color: var(--warn); border-color: transparent; }
.quota.out { background: var(--cost-sf); color: var(--danger); border-color: transparent; }

.keybox { margin-top: 16px; border-top: 1px solid var(--line-2); padding-top: 13px; }
.keybox summary {
  cursor: pointer; font-size: 12.5px; font-weight: 600; color: var(--ink-2);
  list-style: none; display: inline-flex; align-items: center; gap: 7px;
}
.keybox summary::-webkit-details-marker { display: none; }
.keybox summary::before { content: "▸"; font-size: 10px; transition: .15s; }
.keybox[open] summary::before { transform: rotate(90deg); }
.key-state {
  font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  padding: 2px 7px; border-radius: 20px; background: var(--warn-sf); color: var(--warn);
}
.key-state.set { background: var(--good-sf); color: var(--good); }
.keyrow { display: flex; gap: 8px; margin-top: 9px; flex-wrap: wrap; }
.keyrow input { flex: 1; min-width: 200px; padding: 8px 11px; font: inherit; font-size: 13px;
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; }
.keyrow input:focus { outline: none; border-color: var(--accent); }

/* ---------- mode switch ---------- */
.modes { display: flex; gap: 4px; margin: 18px 0 0; padding: 4px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 11px; width: fit-content; }
.mode { font: inherit; font-size: 13px; font-weight: 600; padding: 7px 15px;
  border: none; border-radius: 8px; background: transparent; color: var(--ink-3); cursor: pointer; }
.mode:hover { color: var(--ink); }
.mode.is-on { background: var(--panel); color: var(--ink); box-shadow: var(--shadow); }

.browse-lede { margin-bottom: 16px; font-size: 14px; }
.browse-lede em { font-style: normal; font-weight: 600; color: var(--ink); }
.browse-controls { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.browse-search { flex: 1 1 260px; margin-bottom: 0; }
.browse-sort { flex: 0 0 220px; margin-bottom: 0; }
.browse-sort select { width: 100%; padding: 10px 12px; font: inherit;
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line); border-radius: 9px; }
.browse-sort select:focus { outline: none; border-color: var(--accent); }

.quickpicks { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 15px; }
.qp { font: inherit; font-size: 12.5px; font-weight: 600; padding: 7px 13px; cursor: pointer;
  border-radius: 20px; border: 1px solid var(--line); background: var(--panel-2); color: var(--ink-2); }
.qp:hover { border-color: var(--accent); color: var(--ink); }
.qp.is-on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.qp em { font-style: italic; }
#browseCount { margin-top: 12px; }

/* ---------- reference list input ---------- */
.refbox { margin-top: 16px; border-top: 1px solid var(--line-2); padding-top: 13px; }
.refbox summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink-2);
  list-style: none; display: inline-flex; align-items: center; gap: 8px; }
.refbox summary::-webkit-details-marker { display: none; }
.refbox summary::before { content: "▸"; font-size: 10px; transition: .15s; }
.refbox[open] summary::before { transform: rotate(90deg); }
.ref-tag { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  padding: 2px 7px; border-radius: 20px; background: var(--accent-sf); color: var(--accent); }
.refbox textarea { margin-top: 9px; font-size: 13px; }
#refStat .ok { color: var(--good); font-weight: 600; }
.b-cite { background: var(--accent-sf); color: var(--accent); }

.ev-block.ev-warn { background: var(--warn-sf); border-radius: 9px; padding: 12px 14px; }
.ev-block.ev-warn h4 { color: var(--warn); }
.ev-note { font-size: 12px; color: var(--ink-2); margin: 0; line-height: 1.5; }

.paper-list li.review-detail { border-left-color: var(--accent); color: var(--ink); }
.paper-list li.review-detail .src { color: var(--ink-3); }

.browse-field { flex: 0 0 260px; margin-bottom: 0; }
.browse-field select { width: 100%; padding: 10px 12px; font: inherit;
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line); border-radius: 9px; }
.browse-field select:focus { outline: none; border-color: var(--accent); }

.caveat { font-size: 12.5px; color: var(--warn); background: var(--warn-sf);
  border-radius: 8px; padding: 9px 12px; margin: 0 0 14px; line-height: 1.5; }
.caveat b { font-weight: 650; }

/* ---------- institutional agreements panel ---------- */
.agreement-panel { padding: 16px 22px; }
.agreement-panel summary { cursor: pointer; font-size: 14px; font-weight: 650;
  list-style: none; display: inline-flex; align-items: center; gap: 9px; }
.agreement-panel summary::-webkit-details-marker { display: none; }
.agreement-panel summary::before { content: "▸"; font-size: 10px; transition: .15s; color: var(--ink-3); }
.agreement-panel details[open] summary::before { transform: rotate(90deg); }
.agreement-panel .drop { margin-top: 11px; }

/* ---------- sort bar ---------- */
.res-head { align-items: flex-end; }
.res-head-left { display: flex; flex-direction: column; gap: 2px; }
.sortbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.sortbar label { font-size: 11.5px; color: var(--ink-3); font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px; margin: 0; }
.sortbar select { font: inherit; font-size: 12.5px; padding: 5px 8px;
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--line); border-radius: 7px; }
.sortbar select:focus { outline: none; border-color: var(--accent); }
.metric { color: var(--ink); font-weight: 650; cursor: help;
  border-bottom: 1px dotted var(--ink-3); }
.metric-dim { color: var(--ink-3); }

/* ---------- active filter chips ---------- */
.fchips { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.fchip { font: inherit; font-size: 11.5px; font-weight: 600; cursor: pointer;
  padding: 3px 9px; border-radius: 20px; border: 1px solid var(--accent);
  background: var(--accent-sf); color: var(--accent); }
.fchip:hover { background: var(--accent); color: var(--accent-ink); }
.fchip b { font-weight: 700; opacity: .7; margin-left: 2px; }
.chip-none { font-size: 11.5px; color: var(--ink-3); }
.res-count.flash { animation: countflash .7s ease; }
@keyframes countflash {
  0%   { background: var(--accent); color: var(--accent-ink); border-radius: 5px; }
  100% { background: transparent; }
}

.caveat-bad { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent);
  border-left-color: var(--danger); }
.caveat-bad code { font-family: var(--mono); font-size: 11px; }

.fields-line { margin-top: 12px; font-size: 14px; }
.fields-line b { color: var(--ink); }
.fields-list { margin-top: 8px; font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }