/* PHOTOPiC dashboard components (scoped under .pp-app). */

/* ---------- Buttons / inputs ---------- */
.pp-app .pp-btn {
  appearance: none; cursor: pointer; font-family: inherit; font-weight: 600; font-size: 13px;
  border: 1px solid var(--pp-line-strong); background: var(--pp-panel-2); color: var(--pp-ink);
  border-radius: 9px; padding: 8px 14px; transition: .12s; line-height: 1.1;
}
.pp-app .pp-btn:hover { border-color: var(--pp-accent); color: var(--pp-accent); }
.pp-app .pp-btn--primary { background: var(--pp-accent); border-color: var(--pp-accent); color: #fff; }
.pp-app .pp-btn--primary:hover { background: var(--pp-accent-d); color: #fff; }
.pp-app .pp-btn--ghost { background: transparent; border-color: transparent; color: var(--pp-accent); padding: 6px 8px; }
.pp-app .pp-btn--sm { padding: 5px 10px; font-size: 12px; border-radius: 8px; }
.pp-app .pp-btn:disabled { opacity: .5; cursor: not-allowed; }

.pp-app .pp-input, .pp-app .pp-select, .pp-app textarea.pp-input {
  width: auto; height: auto; font-family: inherit; font-size: 13px; color: var(--pp-ink);
  background: #fff; border: 1px solid var(--pp-line-strong); border-radius: 8px;
  padding: 7px 9px; outline: none; transition: .12s;
}
.pp-app .pp-input:focus, .pp-app .pp-select:focus, .pp-app textarea.pp-input:focus {
  border-color: var(--pp-accent); box-shadow: 0 0 0 3px rgba(27,110,194,.14);
}
.pp-app .pp-input--num { width: 92px; text-align: right; font-family: var(--pp-mono); }
.pp-app input[type="checkbox"].pp-check {
  width: 16px; height: 16px; accent-color: var(--pp-accent); outline: none;
  border-radius: 0; padding: 0; margin: 0; vertical-align: middle; cursor: pointer;
}

/* ---------- Gas table ---------- */
.pp-gastable { width: 100%; border-collapse: collapse; font-size: 13px; }
.pp-gastable th {
  text-align: left; font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--pp-muted); font-weight: 700; padding: 6px 8px; border-bottom: 1px solid var(--pp-line);
}
.pp-gastable td { padding: 7px 8px; border-bottom: 1px solid var(--pp-line); vertical-align: middle; }
.pp-gastable tr:last-child td { border-bottom: none; }
.pp-gastable tr.is-off td { opacity: .5; }
.pp-gasname { font-weight: 700; display: inline-flex; align-items: center; gap: 7px; }
.pp-swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.pp-badge {
  font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 999px;
  background: #eef4fc; color: var(--pp-accent-d); letter-spacing: .04em;
}
.pp-badge--custom { background: #eafaf3; color: var(--pp-ok); }
.pp-ratio { width: 74px; }
.pp-ratio-sum { font-family: var(--pp-mono); font-weight: 700; }
.pp-ratio-sum.is-bad { color: var(--pp-warn); }
.pp-rowact { display: inline-flex; gap: 2px; }

/* ---------- Parameter grid ---------- */
.pp-params { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px 16px; }
.pp-field { display: flex; flex-direction: column; gap: 4px; }
.pp-field label { font-size: 12px; font-weight: 600; color: var(--pp-ink-soft); display: flex; align-items: center; gap: 5px; }
.pp-field__unit { color: var(--pp-muted); font-weight: 500; }
.pp-field .pp-input { width: 100%; }
.pp-range { display: flex; align-items: center; gap: 8px; }
.pp-range .pp-input { width: 100%; }
.pp-range span { color: var(--pp-muted); }

/* small info "?" with tooltip */
.pp-q {
  display: inline-flex; align-items: center; justify-content: center;
  width: 15px; height: 15px; border-radius: 50%; background: #e6edf6; color: var(--pp-accent-d);
  font-size: 10px; font-weight: 800; cursor: help;
}

/* ---------- Tabs ---------- */
.pp-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--pp-line); margin-bottom: 14px; flex-wrap: wrap; }
.pp-tab {
  appearance: none; border: none; background: none; cursor: pointer; font-family: inherit;
  font-size: 13.5px; font-weight: 600; color: var(--pp-ink-soft); padding: 9px 14px;
  border-bottom: 2.5px solid transparent; margin-bottom: -1px;
}
.pp-tab:hover { color: var(--pp-accent); }
.pp-tab.is-active { color: var(--pp-accent-d); border-bottom-color: var(--pp-accent); }
.pp-tabpane { display: none; }
.pp-tabpane.is-active { display: block; }

/* ---------- Charts ---------- */
.pp-chart { width: 100%; height: 380px; }
.pp-chart--tall { height: 440px; }
.pp-chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .pp-chart-row { grid-template-columns: 1fr; } }
.pp-plot-toolbar { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.pp-toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--pp-ink-soft); cursor: pointer; }
.pp-chart-title { font-size: 13px; font-weight: 700; color: var(--pp-ink-soft); margin: 2px 0 6px; }

/* dominant / status pills */
.pp-pill {
  display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600;
  padding: 5px 11px; border-radius: 999px; background: #eef4fc; color: var(--pp-accent-d);
}
.pp-pill b { font-weight: 800; }
.pp-status { font-size: 12px; color: var(--pp-muted); display: inline-flex; align-items: center; gap: 6px; }
.pp-spin { width: 12px; height: 12px; border: 2px solid var(--pp-line-strong); border-top-color: var(--pp-accent); border-radius: 50%; animation: pp-spin .7s linear infinite; }
@keyframes pp-spin { to { transform: rotate(360deg); } }

/* ---------- Fit results ---------- */
.pp-fit-grid { display: grid; grid-template-columns: 260px 1fr; gap: 18px; align-items: start; }
@media (max-width: 900px) { .pp-fit-grid { grid-template-columns: 1fr; } }
.pp-partable { width: 100%; border-collapse: collapse; font-size: 13px; }
.pp-partable th, .pp-partable td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--pp-line); font-family: var(--pp-mono); }
.pp-partable th:first-child, .pp-partable td:first-child { text-align: left; font-family: var(--pp-font); color: var(--pp-ink-soft); }
.pp-eq { background: var(--pp-panel-2); border: 1px dashed var(--pp-line-strong); border-radius: 8px; padding: 10px 12px; font-family: var(--pp-mono); font-size: 12.5px; color: var(--pp-ink-soft); overflow-x: auto; }
.pp-gof { display: flex; gap: 16px; margin-top: 10px; font-size: 12.5px; }
.pp-gof b { font-family: var(--pp-mono); color: var(--pp-ink); }

/* ---------- Info rail content ---------- */
.pp-intro { font-size: 12.8px; color: var(--pp-ink-soft); text-align: justify; }
.pp-intro--cn { margin-bottom: 10px; }
.pp-intro b { color: var(--pp-ink); }
.pp-refs { font-size: 11px; color: var(--pp-muted); text-align: justify; }
.pp-refs p { margin: 6px 0; }

/* ---------- Core formula card ---------- */
.pp-card--formula { padding-top: 16px; padding-bottom: 16px; }
.pp-formula__legend {
  text-align: center; font-size: 13px; color: var(--pp-ink-soft);
  margin: 0 0 12px; font-weight: 600;
}
.pp-formula__legend .pp-em { color: var(--pp-red); font-weight: 700; }
.pp-formula { text-align: center; margin: 0; overflow-x: auto; }
.pp-formula img { width: 100%; max-width: 900px; height: auto; }

/* param guide */
.pp-gloss { display: flex; flex-direction: column; gap: 12px; }
.pp-gloss-item { text-align: justify; }
.pp-gloss-item h4 { margin: 0 0 3px; font-size: 13px; color: var(--pp-accent-d); }
.pp-gloss-item p { margin: 0; font-size: 12.3px; color: var(--pp-ink-soft); }
.pp-gloss-item .pp-sym { font-family: var(--pp-mono); color: var(--pp-teal); }

/* ---------- Modal ---------- */
.pp-modal-backdrop {
  position: fixed; inset: 0; background: rgba(15,23,42,.42); backdrop-filter: blur(2px);
  display: none; align-items: center; justify-content: center; z-index: 50; padding: 24px;
}
.pp-modal-backdrop.is-open { display: flex; }
.pp-modal {
  background: #fff; border-radius: 14px; box-shadow: 0 24px 60px rgba(15,23,42,.3);
  width: min(760px, 100%); max-height: 88vh; overflow: auto; padding: 20px 22px;
}
.pp-modal__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.pp-modal__title { font-size: 16px; font-weight: 700; margin: 0; }
.pp-modal__close { border: none; background: none; font-size: 22px; line-height: 1; cursor: pointer; color: var(--pp-muted); }
.pp-modal__close:hover { color: var(--pp-ink); }
.pp-form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 12px; margin-bottom: 12px; }
.pp-form-row--2 { grid-template-columns: 1fr 1fr; }
.pp-help { font-size: 11.5px; color: var(--pp-muted); margin: 2px 0 6px; }
.pp-help a { color: var(--pp-accent); font-weight: 600; }
.pp-help a:hover { color: var(--pp-accent-d); }
.pp-textarea { width: 100%; min-height: 120px; font-family: var(--pp-mono); font-size: 12px; resize: vertical; }
.pp-view-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 4px; }
.pp-view-head label { font-size: 12px; font-weight: 600; color: var(--pp-ink-soft); }
#pp-view-modal .pp-textarea { min-height: 240px; }
.pp-matrix { border-collapse: collapse; font-size: 12px; margin-top: 6px; }
.pp-matrix th, .pp-matrix td { border: 1px solid var(--pp-line); padding: 3px; text-align: center; }
.pp-matrix th { background: var(--pp-panel-2); color: var(--pp-ink-soft); font-weight: 700; padding: 5px 7px; }
.pp-matrix input { width: 66px; border: none; text-align: right; font-family: var(--pp-mono); font-size: 12px; padding: 3px; outline: none; }
.pp-matrix input:focus { background: #eef4fc; }
.pp-modal__foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.pp-err { color: var(--pp-red); font-size: 12.5px; margin: 6px 0; min-height: 16px; }
.pp-seg { display: inline-flex; border: 1px solid var(--pp-line-strong); border-radius: 8px; overflow: hidden; }
.pp-seg button { border: none; background: #fff; padding: 6px 12px; font-size: 12.5px; font-weight: 600; cursor: pointer; color: var(--pp-ink-soft); }
.pp-seg button.is-active { background: var(--pp-accent); color: #fff; }