/* ==========================================================================
   RF Frequency Coordination — page styles
   Builds on css/styles.css, css/led-tool.css and css/dmx-tool.css.
   Everything here is prefixed .rf-
   ========================================================================== */

.rf-layout textarea {
  width: 100%; min-height: 64px; resize: vertical;
  padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); background: var(--color-surface);
  font: inherit; font-size: 0.9rem; color: var(--color-text);
}
.rf-layout textarea:focus { outline: 2px solid var(--color-accent); outline-offset: 1px; }
.rf-layout .led-hint a { color: var(--color-link); }
.rf-muted { color: var(--color-text-muted); }

/* ---------- Inputs panel ---------- */
.rf-sites { display: flex; flex-direction: column; gap: 2px; margin: 8px 0 12px; }
.rf-site { margin-bottom: 6px; }
.rf-site span { display: flex; flex-direction: column; line-height: 1.3; }
.rf-site b { font-weight: 600; font-size: 0.86rem; }
.rf-site small { font-size: 0.74rem; color: var(--color-text-muted); }

.rf-excl { display: flex; flex-direction: column; gap: 6px; margin: 8px 0 10px; }
.rf-excl-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px 6px 10px; border-radius: var(--radius-sm);
  background: var(--color-surface); border: 1px solid var(--color-border); font-size: 0.8rem;
}
.rf-excl-range { font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rf-excl-note { color: var(--color-text-muted); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: right; }
.rf-x { border: 0; background: none; color: var(--color-text-muted); font-size: 1.1rem; line-height: 1; padding: 0 4px; }
.rf-x:hover { color: #ff7a85; }
.rf-excl-add { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.rf-excl-add input {
  width: 100%; padding: 8px 10px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); font-size: 0.85rem; color: var(--color-text); color-scheme: dark; min-width: 0;
}
.rf-excl-add input[data-excl-note] { grid-column: 1 / 2; }
.rf-excl-add .btn { justify-content: center; }
.rf-file-btn { display: inline-flex; margin-bottom: 4px; }
.rf-scan-files { display: flex; flex-direction: column; gap: 6px; margin: 6px 0 8px; }
.rf-link-btn { background: none; border: 0; padding: 0; color: var(--color-link); font-weight: 700; font-size: inherit; text-decoration: underline; }
.rf-btn-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }

.rf-adv { margin: 4px 0 16px; font-size: 0.86rem; }
.rf-adv summary { cursor: pointer; color: var(--color-link); font-weight: 700; padding: 4px 0; }
.rf-adv .led-table-wrap { margin-top: 10px; }
.rf-sp-table th, .rf-sp-table td { padding: 6px 6px; }
.rf-sp-table td:first-child { white-space: normal; font-size: 0.78rem; min-width: 90px; }
.rf-sp-table input {
  width: 54px; padding: 5px 4px; border-radius: 3px; border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-size: 0.8rem; text-align: right; color-scheme: dark;
}
.rf-adv .btn { margin-top: 2px; }

/* ---------- Add equipment bar ---------- */
.rf-add {
  display: grid; gap: 10px 12px; align-items: end;
  grid-template-columns: 1fr 1fr;
  padding: 14px; border-radius: var(--radius-md);
  background: var(--color-surface-2); border: 1px solid var(--color-border);
}
.rf-add .led-field { margin-bottom: 0; }
.rf-add .led-field input, .rf-add .led-field select { padding: 9px 10px; }
.rf-add-model { grid-column: 1 / -1; }
.rf-add .btn { height: 40px; justify-content: center; }
@media (min-width: 760px) {
  .rf-add { grid-template-columns: minmax(180px, 2.2fr) minmax(140px, 1.6fr) 74px minmax(90px, 1fr) minmax(70px, 0.8fr) auto; }
  .rf-add-model { grid-column: auto; }
}
.rf-add-custom { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 10px; max-width: 420px; }
.rf-add-custom[hidden] { display: none; }
.rf-model-hint { margin: 10px 0 0; }

.rf-toolbar { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; margin: 18px 0 4px; }
.rf-toolbar .btn-primary { display: inline-flex; align-items: center; gap: 8px; }
.rf-toolbar .btn-primary svg { width: 18px; height: 18px; }
.rf-toolbar .btn[disabled] { opacity: 0.55; cursor: progress; }
.rf-sort { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted); }
.rf-sort select { padding: 7px 10px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); background: var(--color-surface); font-size: 0.84rem; text-transform: none; letter-spacing: 0; color: var(--color-text); color-scheme: dark; }
@media (max-width: 640px) { .rf-sort { margin-left: 0; } }
[data-calc-progress] { margin-top: 10px; }

/* ---------- Channel table ---------- */
.rf-ch-wrap { max-height: 640px; overflow: auto; }
.rf-ch-table th { position: sticky; top: 0; z-index: 1; }
.rf-ch-table td { padding: 6px 8px; vertical-align: middle; }
.rf-ch-table tr.is-locked td { background: rgba(37, 170, 225, 0.05); }
.rf-in {
  padding: 6px 8px; border-radius: 4px; border: 1px solid transparent;
  background: transparent; color: var(--color-text); font-size: 0.85rem; color-scheme: dark;
  transition: border-color var(--transition), background var(--transition);
}
.rf-in:hover { border-color: var(--color-border); }
.rf-in:focus { outline: 2px solid var(--color-accent); outline-offset: 0; background: var(--color-surface); }
select.rf-in { border-color: var(--color-border); background: var(--color-surface); }
.rf-name { width: 120px; font-weight: 600; }
.rf-zone { width: 74px; }
.rf-freq {
  width: 104px; font-family: var(--font-display); font-weight: 700; font-size: 0.95rem;
  font-variant-numeric: tabular-nums; border-color: var(--color-border); background: var(--color-surface);
}
tr.is-locked .rf-freq { border-color: rgba(37, 170, 225, 0.55); }
.rf-eq { display: flex; gap: 6px; align-items: center; }
.rf-eq select[data-f="model"] { max-width: 170px; }
.rf-eq select[data-f="band"] { max-width: 160px; }
.rf-ch-table td.rf-eq { display: table-cell; white-space: nowrap; }
.rf-ch-table td.rf-eq > * { margin-right: 4px; }
.rf-custom-band { display: inline-flex; align-items: center; gap: 4px; font-size: 0.78rem; color: var(--color-text-muted); }
.rf-custom-band input { width: 76px; border-color: var(--color-border); background: var(--color-surface); }
.rf-power { width: 82px; }
.rf-no { font-weight: 700; white-space: nowrap; }
.rf-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 7px; vertical-align: 0; }
.rf-auto { font-size: 0.8rem; color: var(--color-text-muted); white-space: nowrap; }
.rf-lock {
  display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 30px;
  border-radius: 4px; border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-muted);
}
.rf-lock svg { width: 16px; height: 16px; }
.rf-lock:hover { color: var(--white); border-color: var(--color-link); }
.rf-lock.is-on { background: var(--color-primary); border-color: var(--color-primary); color: var(--white); }
.rf-lock[disabled] { opacity: 0.6; cursor: not-allowed; }
.rf-row-act { white-space: nowrap; }
.rf-row-act button {
  display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; margin-left: 2px;
  border: 0; border-radius: 4px; background: transparent; color: var(--color-text-muted);
}
.rf-row-act button svg { width: 15px; height: 15px; }
.rf-row-act button:hover { background: var(--color-surface-3); color: var(--white); }
.rf-row-act button[data-act="del"]:hover { color: #ff7a85; }
.rf-empty { color: var(--color-text-muted); font-size: 0.9rem; margin-top: 18px; text-align: center; padding: 22px; border: 1px dashed var(--color-border); border-radius: var(--radius-md); }
.rf-empty[hidden] { display: none; }

.rf-pill {
  display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.03em; white-space: nowrap; cursor: help;
  background: var(--color-surface-3); color: var(--color-text-muted); border: 1px solid var(--color-border);
}
.rf-pill.is-ok { background: rgba(47, 191, 113, 0.14); color: #5fe09a; border-color: rgba(47, 191, 113, 0.4); }
.rf-pill.is-warn { background: rgba(245, 165, 36, 0.14); color: #ffc261; border-color: rgba(245, 165, 36, 0.45); }
.rf-pill.is-error { background: rgba(229, 72, 77, 0.16); color: #ff8a8f; border-color: rgba(229, 72, 77, 0.5); }
.rf-pill.is-auto { background: rgba(37, 170, 225, 0.12); color: var(--color-link); border-color: rgba(37, 170, 225, 0.4); }

/* ---------- Results ---------- */
.rf-kpi.is-good::before { background: #2fbf71; }
.rf-kpi.is-warn::before { background: #f5a524; }
.rf-kpi.is-bad::before { background: #e5484d; }
.rf-capacity { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--color-border); }
.rf-capacity-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.rf-capacity-row select {
  padding: 8px 10px; border-radius: var(--radius-sm); border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text); font-size: 0.85rem; max-width: 100%; color-scheme: dark;
}
.rf-capacity .led-hint { margin: 0; }
.rf-capacity .led-hint b { color: var(--white); }

/* ---------- Spectrum ---------- */
.rf-view-ctl select {
  padding: 8px 12px; border-radius: 999px; border: 1px solid var(--color-border); background: var(--color-bg-alt);
  color: var(--color-text); font-weight: 700; font-size: 0.84rem; color-scheme: dark;
}
.rf-layers { margin-bottom: 12px; }
.rf-spectrum {
  position: relative; border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--color-border); background: #0d0d12; cursor: crosshair; user-select: none;
}
.rf-spectrum canvas { display: block; width: 100%; }
.rf-tip {
  position: absolute; z-index: 2; pointer-events: none; max-width: 300px;
  padding: 9px 11px; border-radius: var(--radius-sm); font-size: 0.78rem; line-height: 1.45;
  background: rgba(23, 23, 28, 0.96); border: 1px solid var(--color-border); box-shadow: var(--shadow-lg); color: var(--color-text);
}
.rf-tip b { color: var(--white); }
.rf-tip[hidden] { display: none; }
.rf-tip-ok { color: #5fe09a; }
.rf-tip-warn { color: #ffc261; }
.rf-tip-error { color: #ff8a8f; }
.rf-tip-unset, .rf-tip-auto { color: var(--color-text-muted); }
.led-legend .rf-lg-dot { border-radius: 50%; }

/* intermod table rows */
.rf-im-error td { background: rgba(229, 72, 77, 0.08); }
.rf-im-warn td { background: rgba(245, 165, 36, 0.07); }
.rf-im-near .rf-pill { opacity: 0.85; }
[data-im-table] td:nth-child(5) { white-space: normal; min-width: 220px; }
[data-im-table] .rf-muted { font-size: 0.76rem; }
[data-im-note] { margin-top: 10px; }

/* ---------- TV grid ---------- */
.rf-tv-grid { display: flex; flex-direction: column; gap: 14px; }
.rf-tv-row .led-label { display: block; margin-bottom: 8px; }
.rf-tv-chips { display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(86px, 1fr)); }
.rf-tv {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 1px; text-align: left;
  padding: 7px 9px 8px; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface-2); color: var(--color-text); font-size: 0.72rem; line-height: 1.25;
  transition: border-color var(--transition), transform var(--transition);
}
button.rf-tv:hover { border-color: var(--color-link); transform: translateY(-1px); }
.rf-tv::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; border-radius: 4px 0 0 4px; background: #2fbf71; }
.rf-tv.is-tv { background: rgba(229, 72, 77, 0.1); border-color: rgba(229, 72, 77, 0.35); }
.rf-tv.is-tv::before { background: #e5484d; }
.rf-tv.has-ours { box-shadow: inset 0 0 0 1px rgba(37, 170, 225, 0.65); }
.rf-tv.is-tv.has-ours { box-shadow: inset 0 0 0 2px #e5484d; }
.rf-tv-ch { font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; color: var(--white); }
.rf-tv-ch i { font-style: normal; color: #f5a524; margin-left: 2px; }
.rf-tv-f { color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.rf-tv-who { font-weight: 600; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rf-tv.is-tv .rf-tv-who { color: #ff8a8f; }
.rf-tv.is-free .rf-tv-who { color: #5fe09a; }
.rf-tv-ours { margin-top: 2px; font-weight: 700; color: var(--color-link); }
.rf-tv.is-gap { border-style: dashed; }

/* ---------- Link budget ---------- */
.rf-link { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 980px) { .rf-link { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.rf-link-inputs .led-row { gap: 10px; }
.rf-link-inputs .led-field { margin-bottom: 12px; }
.rf-link-inputs .led-field input, .rf-link-inputs .led-field select { padding: 9px 10px; font-size: 0.86rem; }
.rf-link-inputs [data-lb-amp][hidden] { display: none; }
.rf-link-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
.rf-range { margin-top: 18px; }
.rf-range-track { position: relative; height: 10px; border-radius: 5px; background: var(--color-surface-4); margin: 6px 0 30px; }
.rf-range-track b { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 5px; background: linear-gradient(90deg, #2fbf71, var(--blue-accent)); }
.rf-range-track span { position: absolute; top: 16px; transform: translateX(-50%); font-size: 0.7rem; color: var(--color-text-muted); white-space: nowrap; }
.rf-range-track span::before { content: ""; position: absolute; left: 50%; top: -12px; width: 1px; height: 8px; background: var(--color-border); }
.rf-range-track span:last-of-type { transform: translateX(-100%); }

@media (max-width: 520px) {
  .rf-tv-chips { grid-template-columns: repeat(auto-fill, minmax(74px, 1fr)); }
  .led-card { padding: 18px; }
}