:root {
  --green: #2f5233;
  --green-600: #3c6b42;
  --green-100: #e7f0e8;
  --ink: #1c2321;
  --muted: #6b7772;
  --line: #e3e8e4;
  --bg: #f6f8f6;
  --card: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.05);
  --radius: 14px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.topbar {
  background: linear-gradient(120deg, var(--green), var(--green-600));
  color: #fff;
  padding: 22px 24px;
}
.brand { display: flex; align-items: center; gap: 14px; max-width: 1080px; margin: 0 auto; }
.logo { font-size: 30px; }
.topbar h1 { margin: 0; font-size: 22px; font-weight: 700; letter-spacing: -.3px; }
.sub { margin: 2px 0 0; font-size: 13.5px; opacity: .9; }

.wrap { max-width: 1080px; margin: 26px auto 60px; padding: 0 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  margin-bottom: 22px;
}

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.span2 { grid-column: span 2; }
.field.end { justify-content: flex-end; }
label { font-size: 13px; font-weight: 600; color: #2b332f; }
.muted { color: var(--muted); font-weight: 400; }
.req { color: #c0392b; }

input[type=text], select {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14.5px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input[type=text]:focus, select:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px var(--green-100);
}

.checks { display: flex; gap: 16px; padding-top: 4px; }
.chk { display: inline-flex; align-items: center; gap: 7px; font-weight: 500; cursor: pointer; }
.chk small { color: var(--muted); }
.chk.deep { padding-top: 26px; }

.actions { display: flex; align-items: center; gap: 14px; margin-top: 20px; }
.btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 11px 18px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .05s, box-shadow .15s;
}
.btn:hover { box-shadow: var(--shadow); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--green); color: #fff; border-color: var(--green); }
.btn.primary:hover { background: var(--green-600); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.hint { font-size: 13px; color: var(--muted); }

/* recent-search history */
.history { display: flex; align-items: center; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.history-label { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.history-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.history-chip {
  font-size: 12.5px; padding: 5px 11px; border-radius: 20px; cursor: pointer;
  background: var(--green-100); color: #24402a; border: 1px solid transparent;
}
.history-chip:hover { border-color: var(--green-600); }
.link-btn {
  background: none; border: none; color: var(--muted); font-size: 12px;
  cursor: pointer; text-decoration: underline; padding: 2px 4px;
}
.link-btn:hover { color: var(--ink); }

/* question-type filter chips */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 14px; }
.chip {
  font-size: 13px; padding: 6px 13px; border-radius: 20px; cursor: pointer;
  background: #fff; color: #2b332f; border: 1px solid var(--line); font-weight: 500;
}
.chip .cnt { color: var(--muted); font-size: 11.5px; margin-left: 4px; }
.chip:hover { border-color: var(--green-600); }
.chip.active { background: var(--green); color: #fff; border-color: var(--green); }
.chip.active .cnt { color: #cfe3d2; }

th.chk-col { width: 34px; text-align: center; }
td.chk-col { text-align: center; }
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable:hover { color: var(--green); }
.arrow { font-size: 10px; color: var(--green-600); }

.copied { background: var(--green) !important; color: #fff !important; border-color: var(--green) !important; }
.btn.toggle-on { background: var(--green); color: #fff; border-color: var(--green); }

/* clustered view */
tr.cluster-head td {
  background: #eef4ef; border-top: 2px solid var(--green-100);
  font-weight: 600; color: #24402a; padding: 9px 14px;
}
tr.cluster-head .pill {
  display: inline-block; background: var(--green); color: #fff; font-size: 11px;
  font-weight: 700; border-radius: 20px; padding: 2px 9px; margin-right: 9px;
}
tr.cluster-member td.qtext { padding-left: 30px; position: relative; }
tr.cluster-member td.qtext::before {
  content: "↳"; position: absolute; left: 14px; color: var(--muted);
}

.results-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 12px; flex-wrap: wrap;
}
.results-head strong { font-size: 18px; color: var(--green); }
.results-tools { display: flex; gap: 10px; align-items: center; }
.filter-input { padding: 9px 12px; }

.notice {
  background: #fff8e6; border: 1px solid #f0e2b6; color: #6b5a1e;
  padding: 10px 13px; border-radius: 10px; font-size: 13px; margin-bottom: 12px;
}

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left; background: var(--green-100); color: #24402a;
  padding: 11px 14px; font-weight: 600; position: sticky; top: 0;
}
th.num { text-align: right; }
tbody td { padding: 10px 14px; border-top: 1px solid var(--line); vertical-align: middle; }
tbody tr:hover { background: #fafcfa; }
td.num { text-align: right; font-variant-numeric: tabular-nums; color: #333; }
td.idx { color: var(--muted); width: 40px; }
.qtext { font-weight: 500; }
.oppbar {
  display: inline-block; height: 7px; border-radius: 4px;
  background: var(--green-600); vertical-align: middle; margin-left: 8px;
}
.links a {
  display: inline-block; text-decoration: none; font-size: 12px; font-weight: 600;
  padding: 4px 9px; border-radius: 7px; margin-right: 6px; border: 1px solid var(--line);
  color: var(--green); background: #fff;
}
.links a.q { color: #a12a5e; }
.links a:hover { background: var(--green-100); }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }
.hidden { display: none !important; }

/* saved-project chips (delete affordance) */
.proj-chip { position: relative; padding-right: 26px; }
.proj-chip .del {
  position: absolute; right: 7px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-weight: 700; font-size: 13px; line-height: 1;
}
.proj-chip .del:hover { color: #c0392b; }

/* outline button inside a pillar row */
.mini-btn {
  margin-left: 10px; font-size: 12px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--line); background: #fff; color: var(--green);
  border-radius: 7px; padding: 3px 9px;
}
.mini-btn:hover { background: #fff; border-color: var(--green-600); }

/* outline modal */
.modal {
  position: fixed; inset: 0; z-index: 60; display: flex;
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(20,30,25,.45); backdrop-filter: blur(2px);
}
.modal-box {
  background: #fff; border-radius: 14px; box-shadow: var(--shadow);
  width: min(760px, 100%); max-height: 86vh; display: flex; flex-direction: column;
  overflow: hidden;
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
}
.modal-head strong { font-size: 16px; }
.outline-text {
  flex: 1; margin: 0; border: none; resize: none; padding: 18px 20px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13.5px; line-height: 1.6; color: var(--ink); background: #fbfdfb;
  min-height: 320px; outline: none;
}
.modal-actions {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px; border-top: 1px solid var(--line);
}
.modal-actions .spacer { flex: 1; }

.loader {
  position: fixed; inset: 0; background: rgba(255,255,255,.75);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 16px; z-index: 50; backdrop-filter: blur(2px);
}
.spinner {
  width: 42px; height: 42px; border-radius: 50%;
  border: 4px solid var(--green-100); border-top-color: var(--green);
  animation: spin .8s linear infinite;
}
.loader p { color: var(--green); font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .field.span2 { grid-column: span 2; }
  .chk.deep { padding-top: 0; }
}