/* ==========================================================================
   Heat Index & Exertion Safety Planner
   ========================================================================== */

/* ---- Editorial ---------------------------------------------------------- */
.hep-ed { display: grid; grid-template-columns: 104px 1fr; gap: 1.5rem; align-items: start; }
.hep-ed-art { display: flex; flex-direction: column; align-items: center; color: var(--cluster-dark, #2A5115); }
.hep-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;
}
.hep-ed-head { display: flex; align-items: baseline; gap: 0.7rem; flex-wrap: wrap; margin-bottom: 0.55rem; }
.hep-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, #2A5115); color: #fff; border-radius: 2px;
}
.hep-ed p { margin: 0 0 0.7rem 0; }
.hep-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, #2A5115) 35%, transparent);
}
.hep-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;
}

/* ---- Location ----------------------------------------------------------- */
.hep-location-row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.hep-location-current { display: inline-flex; align-items: center; gap: 0.45rem; font-size: 1rem; font-weight: 600; }
.hep-location-current .bi { color: var(--cluster-dark, #2A5115); }
.hep-change-btn {
  border: 1px solid var(--evvy-border-color, #DEE2E6); background: transparent;
  color: var(--cluster-dark, #2A5115); border-radius: 999px; padding: 0.25rem 0.85rem;
  font-size: 0.78rem; font-weight: 600; cursor: pointer;
}
.hep-change-btn:hover { background: var(--cluster-surface, #EDF4E9); }
.hep-search-wrap { position: relative; margin-top: 0.75rem; }
.hep-suggest {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 30; margin-top: 0.35rem;
  background: var(--bs-body-bg, #fff); border: 1px solid var(--evvy-border-color, #DEE2E6);
  border-radius: var(--evvy-radius-lg, 12px); box-shadow: 0 10px 30px rgba(0,0,0,0.13);
  overflow: hidden; display: none;
}
.hep-suggest.show { display: block; }
.hep-suggest-item {
  display: block; width: 100%; text-align: left; border: 0; background: transparent;
  padding: 0.6rem 0.9rem; font-size: 0.9rem; cursor: pointer;
  border-bottom: 1px solid var(--evvy-border-color, #DEE2E6);
}
.hep-suggest-item:last-child { border-bottom: 0; }
.hep-suggest-item:hover { background: var(--cluster-surface, #EDF4E9); }

/* ---- Activity picker ---------------------------------------------------- */
.hep-activity-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.55rem; }
.hep-activity {
  text-align: left; cursor: pointer; position: relative;
  border: 1.5px solid var(--evvy-border-color, #DEE2E6); background: var(--bs-body-bg, #fff);
  border-radius: var(--evvy-radius-lg, 12px); padding: 0.75rem 0.85rem;
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}
.hep-activity:hover { border-color: var(--cluster-dark, #2A5115); transform: translateY(-2px); }
.hep-activity.hep-activity-active {
  border-color: var(--cluster-dark, #2A5115); background: var(--cluster-surface, #EDF4E9);
  box-shadow: inset 0 0 0 1px var(--cluster-dark, #2A5115);
}
[data-bs-theme="dark"] .hep-activity.hep-activity-active {
  background: color-mix(in srgb, var(--cluster-dark, #2A5115) 24%, var(--evvy-gray-100, #1E1E1E));
}
.hep-activity-name { font-weight: 700; font-size: 0.9rem; display: block; }
.hep-activity-sub { font-size: 0.72rem; color: var(--evvy-text-secondary, #6C757D); display: block; line-height: 1.35; margin-top: 0.1rem; }
.hep-activity-cav {
  position: absolute; top: 0.55rem; right: 0.7rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem; font-weight: 700; color: var(--bs-danger, #DC3545);
}

/* ---- Loading / error ---------------------------------------------------- */
.hep-loading, .hep-error {
  display: flex; align-items: center; gap: 0.6rem; padding: 1.1rem 1rem;
  border-radius: var(--evvy-radius-lg, 12px); background: var(--cluster-surface, #EDF4E9);
  font-size: 0.92rem; margin-top: 1rem;
}
[data-bs-theme="dark"] .hep-loading, [data-bs-theme="dark"] .hep-error { background: var(--evvy-gray-100, #1E1E1E); }
.hep-error { color: var(--bs-danger, #DC3545); }
.hep-spinner {
  width: 1rem; height: 1rem; border-radius: 50%; flex: none;
  border: 2px solid color-mix(in srgb, var(--cluster-dark, #2A5115) 30%, transparent);
  border-top-color: var(--cluster-dark, #2A5115); animation: hep-spin 0.8s linear infinite;
}
@keyframes hep-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .hep-spinner { animation-duration: 3s; } }

/* ---- Results ------------------------------------------------------------ */
.hep-results { display: none; }
.hep-results.show { display: block; }
.hep-hero-sub { font-size: 0.85rem; color: var(--evvy-text-secondary, #6C757D); margin-top: 0.4rem; }
.hep-result-note { font-size: 0.74rem; color: var(--evvy-text-secondary, #6C757D); margin-top: 0.25rem; }

/* Category flag colours are semantic (a published heat-flag scale), not
   cluster-derived, so they are defined explicitly for both themes. */
.hep-flag {
  display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 0.55rem;
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase;
  padding: 0.28rem 0.75rem; border-radius: 999px;
}
.hep-flag-1 { background: #1B5E20; color: #fff; }
.hep-flag-2 { background: #F9A825; color: #241a00; }
.hep-flag-3 { background: #E65100; color: #fff; }
.hep-flag-4 { background: #B71C1C; color: #fff; }
.hep-flag-5 { background: #1a1a1a; color: #fff; }

/* ---- Panels ------------------------------------------------------------- */
.hep-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"] .hep-panel { background: var(--evvy-gray-100, #1E1E1E); }
.hep-panel-title {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); margin-bottom: 0.8rem;
  display: flex; align-items: center; gap: 0.4rem;
}
.hep-panel-title .bi { color: var(--cluster-dark, #2A5115); font-size: 0.95rem; }
.hep-muted { font-size: 0.78rem; color: var(--evvy-text-secondary, #6C757D); }

/* ---- Guidance ----------------------------------------------------------- */
.hep-verdict {
  border-left: 4px solid var(--cluster-dark, #2A5115);
  padding: 0.2rem 0 0.2rem 0.9rem; margin-bottom: 1rem;
}
.hep-verdict-head { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.25rem; }
.hep-verdict p { margin: 0; font-size: 0.9rem; }
.hep-rules { display: grid; gap: 0.5rem; }
.hep-rule { display: grid; grid-template-columns: 20px 1fr; gap: 0.6rem; align-items: start; font-size: 0.87rem; }
.hep-rule .bi { color: var(--cluster-dark, #2A5115); margin-top: 0.15rem; }
.hep-rule strong { display: block; }
.hep-rule span { color: var(--evvy-text-secondary, #6C757D); font-size: 0.8rem; }

/* ---- Hourly curve ------------------------------------------------------- */
.hep-curve-wrap { position: relative; }
.hep-curve { width: 100%; height: auto; display: block; overflow: visible; }
.hep-curve-band-1 { fill: #1B5E20; opacity: 0.13; }
.hep-curve-band-2 { fill: #F9A825; opacity: 0.16; }
.hep-curve-band-3 { fill: #E65100; opacity: 0.16; }
.hep-curve-band-4 { fill: #B71C1C; opacity: 0.16; }
.hep-curve-band-5 { fill: #1a1a1a; opacity: 0.16; }
.hep-curve-line { fill: none; stroke: var(--cluster-dark, #2A5115); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.hep-curve-hi { fill: none; stroke: var(--evvy-text-secondary, #6C757D); stroke-width: 1.4; stroke-dasharray: 4 4; opacity: 0.75; }
.hep-curve-axis { stroke: var(--evvy-border-color, #DEE2E6); stroke-width: 1; }
.hep-curve-text { font-size: 9px; fill: var(--evvy-text-secondary, #6C757D); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.hep-curve-now { stroke: var(--cluster-dark, #2A5115); stroke-width: 1.5; stroke-dasharray: 3 3; }
.hep-curve-dot { fill: var(--cluster-dark, #2A5115); }
.hep-legend { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 0.6rem; font-size: 0.76rem; color: var(--evvy-text-secondary, #6C757D); }
.hep-legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 0.3rem; }
.hep-legend .hep-key-wbgt { background: var(--cluster-dark, #2A5115); }
.hep-legend .hep-key-hi { background: var(--evvy-text-secondary, #6C757D); }

/* ---- Windows ------------------------------------------------------------ */
.hep-window {
  display: grid; grid-template-columns: auto 1fr auto; gap: 0.8rem; align-items: center;
  padding: 0.65rem 0; border-bottom: 1px solid var(--evvy-border-color, #DEE2E6);
}
.hep-window:last-child { border-bottom: 0; }
.hep-window-time { font-weight: 700; font-size: 0.95rem; white-space: nowrap; }
.hep-window-desc { font-size: 0.8rem; color: var(--evvy-text-secondary, #6C757D); }
.hep-window-val { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; font-size: 1rem; white-space: nowrap; }

/* ---- Week planner ------------------------------------------------------- */
.hep-week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 0.4rem; }
.hep-day {
  border: 1px solid var(--evvy-border-color, #DEE2E6); border-radius: 8px;
  padding: 0.5rem 0.35rem; text-align: center;
}
.hep-day-name { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--evvy-text-secondary, #6C757D); }
.hep-day-peak { font-size: 1.02rem; font-weight: 700; line-height: 1.15; margin: 0.15rem 0; }
.hep-day-best { font-size: 0.62rem; color: var(--evvy-text-secondary, #6C757D); }
.hep-day-bar { height: 4px; border-radius: 2px; margin-top: 0.3rem; }

/* ---- Acclimatization ---------------------------------------------------- */
.hep-accl-row { display: flex; gap: 1rem; align-items: flex-end; flex-wrap: wrap; margin-bottom: 0.9rem; }
.hep-accl-days { display: grid; grid-template-columns: repeat(auto-fill, minmax(58px, 1fr)); gap: 0.35rem; }
.hep-accl-day {
  border: 1px solid var(--evvy-border-color, #DEE2E6); border-radius: 6px;
  padding: 0.35rem 0.2rem; text-align: center; font-size: 0.68rem;
}
.hep-accl-day.hep-accl-current { background: var(--cluster-dark, #2A5115); color: var(--cluster-text, #fff); border-color: var(--cluster-dark, #2A5115); }
.hep-accl-day.hep-accl-past { background: var(--cluster-surface, #EDF4E9); }
[data-bs-theme="dark"] .hep-accl-day.hep-accl-past { background: color-mix(in srgb, var(--cluster-dark, #2A5115) 22%, var(--evvy-gray-100, #1E1E1E)); }
.hep-accl-num { font-weight: 700; display: block; font-size: 0.8rem; }

/* ---- Coach card --------------------------------------------------------- */
.hep-card {
  border: 2px solid var(--cluster-dark, #2A5115); border-radius: var(--evvy-radius-lg, 12px);
  padding: 1rem 1.15rem; background: var(--cluster-surface, #EDF4E9);
}
[data-bs-theme="dark"] .hep-card { background: color-mix(in srgb, var(--cluster-dark, #2A5115) 20%, var(--evvy-gray-100, #1E1E1E)); }
.hep-card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; border-bottom: 1px solid color-mix(in srgb, var(--cluster-dark, #2A5115) 40%, transparent); padding-bottom: 0.5rem; margin-bottom: 0.7rem; }
.hep-card-title { font-weight: 800; font-size: 1rem; }
.hep-card-when { font-size: 0.76rem; color: var(--evvy-text-secondary, #6C757D); }
.hep-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.7rem 1.2rem; margin-bottom: 0.8rem; }
.hep-card-stat span { display: block; font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--evvy-text-secondary, #6C757D); }
.hep-card-stat strong { font-size: 1.15rem; }
.hep-card ul { margin: 0; padding-left: 1.1rem; font-size: 0.85rem; }
.hep-card li { margin-bottom: 0.25rem; }

.hep-outline-btn {
  border: 1px solid var(--cluster-dark, #2A5115); background: transparent;
  color: var(--cluster-dark, #2A5115); border-radius: 999px; padding: 0.35rem 0.95rem;
  font-size: 0.8rem; font-weight: 600; cursor: pointer;
}
.hep-outline-btn:hover { background: var(--cluster-dark, #2A5115); color: var(--cluster-text, #fff); }

/* ---- Scale reference table --------------------------------------------- */
.hep-scale { width: 100%; border-collapse: collapse; font-size: 0.83rem; }
.hep-scale th {
  text-align: left; font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--evvy-text-secondary, #6C757D); font-weight: 700; padding: 0.35rem 0.5rem;
  border-bottom: 1.5px solid var(--evvy-border-color, #DEE2E6);
}
.hep-scale td { padding: 0.45rem 0.5rem; border-bottom: 1px solid var(--evvy-border-color, #DEE2E6); vertical-align: top; }
.hep-scale tr:last-child td { border-bottom: 0; }
.hep-scale-swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 0.4rem; }
.hep-scale tr.hep-scale-active { background: var(--cluster-surface, #EDF4E9); font-weight: 600; }
[data-bs-theme="dark"] .hep-scale tr.hep-scale-active { background: color-mix(in srgb, var(--cluster-dark, #2A5115) 20%, transparent); }

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 767.98px) {
  .hep-activity-grid { grid-template-columns: repeat(2, 1fr); }
  .hep-week { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 575.98px) {
  .hep-ed { grid-template-columns: 1fr; }
  .hep-ed-art { flex-direction: row; gap: 0.8rem; align-items: center; }
  .evvy-results-row { grid-template-columns: 1fr; }
  .hep-activity-grid { grid-template-columns: 1fr; }
  .hep-week { grid-template-columns: repeat(3, 1fr); }
  .hep-window { grid-template-columns: 1fr auto; row-gap: 0.2rem; }
  .hep-window-desc { grid-column: 1 / -1; }
}