/* ==========================================================================
   Heart Rate Zone Calculator
   Editorial dossier, zone table with per-zone accents, formula comparison,
   Pro field tests / per-sport chips / printable card.
   ========================================================================== */

/* ---- Editorial ---------------------------------------------------------- */
.hrz-ed { display: grid; grid-template-columns: 104px 1fr; gap: 1.5rem; align-items: start; }
.hrz-ed-art { display: flex; flex-direction: column; align-items: center; color: var(--cluster-dark, #114F8D); }
.hrz-ed-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 0.6rem; opacity: 0.65; border: 1px solid currentColor;
  padding: 0.15rem 0.45rem; border-radius: 2px;
}
.hrz-ed-head { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.55rem; }
.hrz-ed-head h2 { font-weight: 600; letter-spacing: -0.01em; }
.hrz-ed-badge {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  padding: 0.22rem 0.6rem; background: var(--cluster-dark, #114F8D); color: #fff; border-radius: 2px;
}
.hrz-ed p { margin: 0 0 0.7rem 0; }
.hrz-ed-meta {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.55rem 1.4rem; padding-top: 0.8rem; font-size: 0.78rem;
  border-top: 1px dashed color-mix(in srgb, var(--cluster-dark, #114F8D) 35%, transparent);
}
.hrz-ed-meta span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0.6; display: block; margin-bottom: 0.1rem;
}
@media (max-width: 575.98px) {
  .hrz-ed { grid-template-columns: 1fr; gap: 1rem; }
  .hrz-ed-art { flex-direction: row; gap: 0.8rem; align-items: center; }
  .hrz-ed-code { margin-top: 0; }
}

/* ---- Inputs ------------------------------------------------------------- */
.hrz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 767.98px) { .hrz-grid { grid-template-columns: 1fr; } }
.hrz-opt { font-weight: 400; opacity: 0.65; font-size: 0.85em; }

/* ---- Results ------------------------------------------------------------ */
.hrz-results { display: none; }
.hrz-results.show { display: block; }
.hrz-hero-sub {
  font-size: 0.88rem; line-height: 1.6; margin-top: 0.5rem;
  color: var(--evvy-text-secondary, #6C757D); max-width: 60ch; margin-inline: auto;
}
.hrz-note { font-size: 0.74rem; line-height: 1.45; margin-top: 0.35rem; color: var(--evvy-text-secondary, #6C757D); }
.hrz-row-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 767.98px) { .hrz-row-3 { grid-template-columns: 1fr; } }
.hrz-small-val { font-size: 1.25rem; }

.hrz-panel {
  border: 1px solid var(--evvy-border-color, #DEE2E6); border-radius: var(--evvy-radius-lg, 12px);
  padding: 1.1rem 1.2rem; margin-top: 1.25rem; background: var(--bs-body-bg, #fff);
}
[data-bs-theme="dark"] .hrz-panel { background: var(--evvy-gray-100, #1E1E1E); }
.hrz-panel-title {
  font-weight: 700; font-size: 0.95rem; margin-bottom: 0.8rem;
  display: flex; align-items: center; gap: 0.45rem; color: var(--cluster-dark, #114F8D);
}
.hrz-muted { font-size: 0.78rem; color: var(--evvy-text-secondary, #6C757D); line-height: 1.55; }

/* ---- Zone table --------------------------------------------------------- */
.hrz-zone-head, .hrz-zone-row {
  display: grid; grid-template-columns: 1.4fr 0.7fr 0.9fr 2fr; gap: 0.6rem; align-items: center;
}
.hrz-zone-head {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--evvy-border-color, #DEE2E6); margin-bottom: 0.3rem;
}
.hrz-zone-row { padding: 0.5rem 0.4rem; border-radius: 8px; font-size: 0.88rem; border-left: 4px solid transparent; }
.hrz-zone-row + .hrz-zone-row { margin-top: 0.25rem; }
.hrz-zone-bpm { font-weight: 700; font-variant-numeric: tabular-nums; }
.hrz-zone-pct { font-variant-numeric: tabular-nums; color: var(--evvy-text-secondary, #6C757D); font-size: 0.8rem; }
.hrz-zone-cue { font-size: 0.8rem; }
.hrz-zone-cue span { color: var(--evvy-text-secondary, #6C757D); }
.hrz-zone-row.hrz-z1 { border-left-color: #7FB3D5; background: color-mix(in srgb, #7FB3D5 8%, transparent); }
.hrz-zone-row.hrz-z2 { border-left-color: #45B39D; background: color-mix(in srgb, #45B39D 8%, transparent); }
.hrz-zone-row.hrz-z3 { border-left-color: #F4D03F; background: color-mix(in srgb, #F4D03F 10%, transparent); }
.hrz-zone-row.hrz-z4 { border-left-color: #EB984E; background: color-mix(in srgb, #EB984E 10%, transparent); }
.hrz-zone-row.hrz-z5 { border-left-color: #CD6155; background: color-mix(in srgb, #CD6155 10%, transparent); }
@media (max-width: 767.98px) {
  .hrz-zone-head { display: none; }
  .hrz-zone-row { grid-template-columns: 1fr auto; grid-template-areas: "name bpm" "cue cue"; }
  .hrz-zone-name { grid-area: name; }
  .hrz-zone-bpm { grid-area: bpm; }
  .hrz-zone-pct { display: none; }
  .hrz-zone-cue { grid-area: cue; }
}

/* ---- Formula grid ------------------------------------------------------- */
.hrz-formula-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.9rem; }
.hrz-formula-grid > div {
  border: 1px solid var(--evvy-border-color, #DEE2E6); border-radius: 10px; padding: 0.8rem 0.9rem;
}
.hrz-formula-grid span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); display: block; margin-bottom: 0.15rem;
}
.hrz-formula-grid strong { font-size: 1.3rem; }
.hrz-formula-grid em { display: block; font-style: normal; font-size: 0.72rem; color: var(--evvy-text-secondary, #6C757D); margin-top: 0.2rem; }
@media (max-width: 767.98px) { .hrz-formula-grid { grid-template-columns: 1fr; } }

/* ---- Pro panels --------------------------------------------------------- */
.hrz-test { font-size: 0.86rem; line-height: 1.6; padding: 0.55rem 0; border-bottom: 1px dashed var(--evvy-border-color, #DEE2E6); }
.hrz-test:last-child { border-bottom: none; }
.hrz-test-note { color: var(--evvy-text-secondary, #6C757D); font-size: 0.8rem; }
.hrz-sport-row { display: grid; grid-template-columns: 120px 1fr; gap: 0.6rem; align-items: center; padding: 0.45rem 0; }
.hrz-sport-name { font-weight: 600; font-size: 0.86rem; }
.hrz-sport-name span { font-weight: 400; font-size: 0.74rem; color: var(--evvy-text-secondary, #6C757D); }
.hrz-sport-zones { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.hrz-chip {
  font-size: 0.72rem; font-variant-numeric: tabular-nums; padding: 0.18rem 0.5rem;
  border-radius: 999px; border: 1px solid var(--evvy-border-color, #DEE2E6); white-space: nowrap;
}
.hrz-chip.hrz-z1 { border-color: #7FB3D5; } .hrz-chip.hrz-z2 { border-color: #45B39D; }
.hrz-chip.hrz-z3 { border-color: #F4D03F; } .hrz-chip.hrz-z4 { border-color: #EB984E; }
.hrz-chip.hrz-z5 { border-color: #CD6155; }
@media (max-width: 575.98px) { .hrz-sport-row { grid-template-columns: 1fr; } }

.hrz-outline-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  border: 1px solid var(--cluster-dark, #114F8D); background: transparent;
  color: var(--cluster-dark, #114F8D); border-radius: 999px;
  padding: 0.35rem 0.95rem; font-size: 0.82rem; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.hrz-outline-btn:hover { background: var(--cluster-dark, #114F8D); color: var(--cluster-text, #fff); }

/* ---- Print card --------------------------------------------------------- */
.hrz-print-area { display: none; }
@media print {
  body.hrz-printing .evvy-tool-ui > :not(.hrz-print-area),
  body.hrz-printing .evvy-tool-content, body.hrz-printing header, body.hrz-printing footer,
  body.hrz-printing .evvy-tool-header, body.hrz-printing .evvy-ad-leaderboard { display: none !important; }
  body.hrz-printing .hrz-print-area { display: block !important; }
  .hrz-card { border: 2px solid #000; border-radius: 8px; padding: 12pt; width: 3.4in; }
  .hrz-card-h { font-weight: 700; font-size: 12pt; }
  .hrz-card-sub { font-size: 8pt; margin-bottom: 6pt; }
  .hrz-card table { width: 100%; border-collapse: collapse; font-size: 9pt; }
  .hrz-card td { border-top: 1px solid #999; padding: 3pt 2pt; }
  .hrz-card-f { font-size: 7pt; margin-top: 6pt; color: #444; }
}

.hrz-disclaimer {
  font-size: 0.78rem; line-height: 1.6; color: var(--evvy-text-secondary, #6C757D);
  padding: 0.8rem 1rem; border-radius: var(--evvy-radius-lg, 12px);
  background: color-mix(in srgb, var(--evvy-text-secondary, #6C757D) 8%, transparent);
}