/* Signal — application styles. All styling is class-based: the strict CSP
   forbids inline styles, so pages carry no style attributes. */

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--sig-font);
  background: var(--sig-bg-subtle);
  color: var(--sig-text);
  line-height: 1.5;
  font-size: 15px;
}

a { color: var(--sig-accent); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 var(--sig-space-3); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 var(--sig-space-3); }

.hidden { display: none !important; }
.muted { color: var(--sig-text-muted); }
.faint { color: var(--sig-text-faint); font-size: 0.85rem; }
.mono { font-family: var(--sig-font-mono); }
.center { text-align: center; }

/* --- Top bar ------------------------------------------------------------ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sig-space-4);
  padding: var(--sig-space-3) var(--sig-space-6);
  background: var(--sig-bg);
  border-bottom: 1px solid var(--sig-border);
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--sig-space-2);
}
.brand-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--sig-accent);
  display: inline-block;
}
.topbar-actions { display: flex; gap: var(--sig-space-2); align-items: center; }

/* --- Layout ------------------------------------------------------------- */
.page { padding: var(--sig-space-6); max-width: 1040px; margin: 0 auto; }
.page-narrow { max-width: 560px; }

.shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sig-space-6);
}

.stack > * + * { margin-top: var(--sig-space-4); }
.row { display: flex; gap: var(--sig-space-3); flex-wrap: wrap; align-items: center; }
.row-end { justify-content: flex-end; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: var(--sig-space-3); }

/* --- Cards -------------------------------------------------------------- */
.card {
  background: var(--sig-bg);
  border: 1px solid var(--sig-border);
  border-radius: var(--sig-radius-lg);
  padding: var(--sig-space-6);
}
.card + .card { margin-top: var(--sig-space-4); }
.card-title { font-weight: 600; margin-bottom: var(--sig-space-1); }
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--sig-text-faint);
}

/* --- Forms -------------------------------------------------------------- */
.field { display: block; margin-bottom: var(--sig-space-4); }
.field > span {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: var(--sig-space-1);
}
input[type="text"],
input[type="email"],
input[type="password"],
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--sig-border-strong);
  border-radius: var(--sig-radius-sm);
  background: var(--sig-bg);
  color: var(--sig-text);
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--sig-accent);
  outline-offset: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sig-space-2);
  padding: 9px 16px;
  border-radius: var(--sig-radius-sm);
  border: 1px solid var(--sig-border-strong);
  background: var(--sig-bg);
  color: var(--sig-text);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--sig-bg-subtle); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary {
  background: var(--sig-accent);
  border-color: var(--sig-accent);
  color: #fff;
}
.btn-primary:hover { background: #178a64; }
.btn-danger { color: #b4232a; border-color: var(--sig-border-strong); }
.btn-danger:hover { background: var(--sig-warn-bg); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: var(--sig-bg-inset); }
.btn-sm { padding: 5px 10px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* --- Notices ------------------------------------------------------------ */
.notice {
  padding: 10px 14px;
  border-radius: var(--sig-radius-sm);
  font-size: 0.9rem;
  border: 1px solid var(--sig-border);
}
.notice-error { background: var(--sig-warn-bg); border-color: #E7C99A; color: #8a4d05; }
.notice-ok { background: var(--sig-accent-weak); border-color: #BCE0CF; color: #14613f; }
.notice-info { background: var(--sig-info-bg); border-color: #BBD3F7; color: #1c4f9c; }

.detail-list { margin: 0; }
.detail-list > div {
  display: flex;
  justify-content: space-between;
  gap: var(--sig-space-4);
  padding: var(--sig-space-2) 0;
  border-bottom: 1px solid var(--sig-border);
}
.detail-list > div:last-child { border-bottom: none; }
.detail-list dt { color: var(--sig-text-muted); font-size: 0.9rem; }
.detail-list dd { margin: 0; font-weight: 600; text-align: right; word-break: break-all; }

.key-box {
  font-family: var(--sig-font-mono);
  background: var(--sig-bg-inset);
  border: 1px dashed var(--sig-border-strong);
  border-radius: var(--sig-radius-sm);
  padding: 10px 12px;
  word-break: break-all;
  font-size: 0.9rem;
}

/* --- Pills & tags ------------------------------------------------------- */
.pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pill-open { background: var(--sig-accent-weak); color: #14613f; }
.pill-closed { background: var(--sig-bg-inset); color: var(--sig-text-muted); }
.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: var(--sig-radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
}
.tag-divided { background: var(--sig-info-bg); color: #1c4f9c; }
.tag-flagged { background: var(--sig-warn-bg); color: #8a4d05; }

/* --- Survey list -------------------------------------------------------- */
.survey-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sig-space-4);
  padding: var(--sig-space-4);
  border: 1px solid var(--sig-border);
  border-radius: var(--sig-radius-md);
  background: var(--sig-bg);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.survey-row + .survey-row { margin-top: var(--sig-space-2); }
.survey-row:hover { border-color: var(--sig-border-strong); background: var(--sig-bg-subtle); }
.survey-row-main { min-width: 0; }
.survey-row-team { font-weight: 600; }

/* --- Report ------------------------------------------------------------- */
.report-head { margin-bottom: var(--sig-space-6); }
.report-grid { display: grid; grid-template-columns: 1fr; gap: var(--sig-space-4); }
@media (min-width: 820px) {
  .report-grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
}
.radar-wrap { display: flex; justify-content: center; }
.radar-wrap svg { width: 100%; max-width: 440px; height: auto; }
.legend { display: flex; gap: var(--sig-space-4); justify-content: center; margin-top: var(--sig-space-2); }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; }
.legend-swatch { width: 14px; height: 4px; border-radius: 2px; display: inline-block; }
.legend-now { background: var(--sig-accent); }
.legend-baseline { background: var(--sig-baseline); }

.focus-card {
  border: 1px solid var(--sig-border);
  border-left: 4px solid var(--sig-border-strong);
  border-radius: var(--sig-radius-md);
  padding: var(--sig-space-4);
}
.focus-card + .focus-card { margin-top: var(--sig-space-3); }
.focus-lowFlat   { border-left-color: var(--sig-warn); }
.focus-lowRising { border-left-color: var(--sig-ok); }
.focus-highSlip  { border-left-color: var(--sig-warn); }
.focus-divided   { border-left-color: var(--sig-info); }
.focus-card-head { display: flex; justify-content: space-between; align-items: baseline; gap: var(--sig-space-2); }
.focus-axis { font-weight: 700; }
.focus-score { font-family: var(--sig-font-mono); font-weight: 700; }
.focus-tip { font-size: 0.9rem; margin: var(--sig-space-2) 0 0; }

.axes-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--sig-space-3); }
.axis-card {
  border: 1px solid var(--sig-border);
  border-radius: var(--sig-radius-md);
  padding: var(--sig-space-3);
}
.axis-card-name { font-weight: 600; font-size: 0.92rem; }
.axis-card-score { font-family: var(--sig-font-mono); font-size: 1.3rem; font-weight: 700; }
.axis-delta { font-size: 0.82rem; font-weight: 700; }
.delta-up { color: var(--sig-ok); }
.delta-down { color: var(--sig-warn); }
.delta-flat { color: var(--sig-text-faint); }

/* --- Per-question breakdown -------------------------------------------- */
.q-row {
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: var(--sig-space-3);
  align-items: center;
  padding: var(--sig-space-3) 0;
  border-bottom: 1px solid var(--sig-border);
}
.q-text { font-size: 0.9rem; }
.q-meta { display: flex; gap: var(--sig-space-2); align-items: center; margin-top: 2px; }
.bar {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  height: 8px;
  background: var(--sig-bg-inset);
  border-radius: 999px;
  overflow: hidden;
}
.bar-fill { position: absolute; inset: 0 auto 0 0; background: var(--sig-accent); border-radius: 999px; }
.q-score { font-family: var(--sig-font-mono); font-weight: 700; min-width: 30px; text-align: right; }

.guidance {
  font-size: 0.85rem;
  color: var(--sig-text-muted);
  font-style: italic;
  border-top: 1px solid var(--sig-border);
  padding-top: var(--sig-space-3);
}

/* --- Respondent form ---------------------------------------------------- */
.respond-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--sig-space-6);
}
.respond-card { width: 100%; max-width: 560px; }
.progress-track { height: 6px; background: var(--sig-bg-inset); border-radius: 999px; overflow: hidden; margin-bottom: var(--sig-space-2); }
.progress-fill { height: 100%; background: var(--sig-accent); border-radius: 999px; }
.question-text { font-size: 1.2rem; font-weight: 600; margin: var(--sig-space-3) 0 var(--sig-space-6); }
.scale { display: grid; gap: var(--sig-space-2); }
.scale-option {
  display: flex;
  align-items: center;
  gap: var(--sig-space-3);
  padding: 11px 14px;
  border: 1px solid var(--sig-border-strong);
  border-radius: var(--sig-radius-sm);
  cursor: pointer;
}
.scale-option:hover { background: var(--sig-bg-subtle); }
.scale-option.selected { border-color: var(--sig-accent); background: var(--sig-accent-weak); }
.scale-option input { width: auto; }
.scale-num { font-family: var(--sig-font-mono); font-weight: 700; color: var(--sig-text-muted); }
.respond-nav { margin-top: var(--sig-space-6); }

.footer-note {
  margin-top: var(--sig-space-6);
  font-size: 0.8rem;
  color: var(--sig-text-faint);
  text-align: center;
  max-width: 560px;
}
.app-footer {
  text-align: center;
  padding: var(--sig-space-6);
  font-size: 0.8rem;
  color: var(--sig-text-faint);
}

/* --- Confirmation modal ------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(42, 42, 40, 0.48);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: var(--sig-space-4);
}
.modal-overlay.hidden { display: none; }
.modal-content {
  width: min(420px, 100%);
  background: var(--sig-bg);
  border: 1px solid var(--sig-border);
  border-radius: var(--sig-radius-lg);
  box-shadow: 0 16px 44px rgba(42, 42, 40, 0.20);
  padding: var(--sig-space-6);
  animation: modalIn 160ms ease-out;
}
.modal-content h2 { margin: 0 0 var(--sig-space-2); font-size: 1.15rem; }
.modal-message { margin: 0 0 var(--sig-space-6); color: var(--sig-text-muted); }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--sig-space-2); }

@keyframes modalIn {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}