/* ═══════════════════════════════════════════════════
   RF Manager Pro — Modern Glass Design System v2
   Dark · Glassmorphism · Dual-accent · Fully responsive
═══════════════════════════════════════════════════ */

:root {
  --bg-base:  #060b18;
  --bg-deep:  #04081320;

  /* Animated mesh tones */
  --orb1:     rgba(14,165,233,0.26);
  --orb2:     rgba(16,185,129,0.16);
  --orb3:     rgba(6,182,212,0.14);
  --orb4:     rgba(56,189,248,0.10);

  /* Glass surfaces */
  --glass:         rgba(255,255,255,0.045);
  --glass-med:     rgba(255,255,255,0.085);
  --glass-high:    rgba(255,255,255,0.14);
  --input-bg:      rgba(2,8,22,0.55);
  --input-border:  rgba(255,255,255,0.14);
  --glass-border:  rgba(255,255,255,0.085);
  --glass-border-a:rgba(56,189,248,0.45);
  --glass-shine:   rgba(255,255,255,0.06);
  --nav-glass:     rgba(6,11,24,0.78);

  /* Accents — cyan primary, emerald secondary (signal palette) */
  --acc:    #38bdf8;
  --acc2:   #0ea5e9;
  --acc3:   #10b981;
  --acc-lo: #0369a1;
  --acc-g:  linear-gradient(135deg,#38bdf8 0%,#22d3ee 50%,#10b981 100%);
  --acc-g2: linear-gradient(135deg,#38bdf8,#0ea5e9);
  --acc-bg: rgba(56,189,248,0.10);
  --acc-glow: 0 0 16px rgba(56,189,248,0.13), 0 0 32px rgba(16,185,129,0.05);

  /* Text */
  --txt:    #eef5ff;
  --txt2:   #a4cae6;
  --txt3:   #6c93b1;

  --ok:     #34d399;  --ok-bg:   rgba(52,211,153,0.10);
  --warn:   #fbbf24;  --warn-bg: rgba(251,191,36,0.10);
  --err:    #f87171;  --err-bg:  rgba(248,113,113,0.10);

  /* Geometry */
  --nav-h:  56px;
  --r:      12px;
  --r-sm:   8px;
  --r-lg:   16px;
  --r-xl:   22px;

  /* Motion */
  --t:      0.22s cubic-bezier(.4,0,.2,1);
  --t-slow: 0.35s cubic-bezier(.4,0,.2,1);

  /* Layout */
  --content-max: 1380px;
  --gap:    16px;
  --pad-x:  24px;
}

/* ══════════ RESET ══════════ */
*, ::before, ::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-y: scroll; scrollbar-gutter: stable; }
input, select, textarea, button { font-family: 'Montserrat', system-ui, sans-serif; }
a { color: var(--acc); text-decoration: none; }
a:visited { color: var(--acc); }
a:hover { color: var(--txt); text-decoration: underline; }
body {
  font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--txt);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* Animated gradient mesh — slow drift, cheap, GPU layer */
body::before {
  content: '';
  position: fixed; inset: -10%;
  background:
    radial-gradient(ellipse 60% 60% at 12% 38%, var(--orb1), transparent 60%),
    radial-gradient(ellipse 50% 50% at 88% 18%, var(--orb2), transparent 60%),
    radial-gradient(ellipse 55% 55% at 60% 92%, var(--orb3), transparent 60%),
    radial-gradient(ellipse 40% 40% at 30% 80%, var(--orb4), transparent 60%);
  pointer-events: none;
  z-index: 0;
  animation: meshDrift 32s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes meshDrift {
  0%   { transform: translate3d(0,0,0) rotate(0deg); }
  100% { transform: translate3d(2%,-2%,0) rotate(2deg); }
}
@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  html { scroll-behavior: auto; }
}

#app { position: relative; min-height: 100vh; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--glass-high); border-radius: 4px; transition: background var(--t); }
::-webkit-scrollbar-thumb:hover { background: var(--acc2); }

/* ══════════ TOP NAV ══════════ */
.topnav {
  height: var(--nav-h);
  background: var(--nav-glass);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  padding: 0 20px 0 22px;
  gap: 0;
  position: sticky; top: 0; z-index: 8500;
  box-shadow: 0 1px 0 rgba(255,255,255,0.03) inset, 0 4px 24px rgba(0,0,0,0.25);
}

.topnav-brand {
  display: flex; align-items: center; gap: 10px;
  margin-right: 26px; flex-shrink: 0;
}
.brand-name {
  font-size: 16px; font-weight: 800;
  color: var(--txt);
  letter-spacing: -0.4px; white-space: nowrap;
}
.brand-pro {
  background: var(--acc-g);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(56,189,248,0.17));
}
.beta-tag {
  font-size: 9px; font-weight: 800;
  letter-spacing: .1em; line-height: 1;
  padding: 3px 7px; border-radius: 20px;
  background: rgba(16,185,129,0.12); color: var(--acc3);
  border: 1px solid rgba(16,185,129,0.38);
  text-transform: uppercase; white-space: nowrap;
  align-self: center;
  box-shadow: 0 0 8px rgba(16,185,129,0.09);
}
@media (max-width: 400px) {
  .beta-tag { font-size: 8px; padding: 2px 5px; }
}

.topnav-tabs { display: flex; align-items: stretch; height: 100%; gap: 2px; flex: 1; min-width: 0; }
.tab {
  display: flex; align-items: center; gap: 7px;
  padding: 0 18px; height: 100%;
  background: none; border: none;
  color: var(--txt2); font-size: 13.5px; font-weight: 500;
  font-family: inherit; cursor: pointer;
  position: relative; transition: color var(--t), background var(--t);
  white-space: nowrap;
}
.tab::after {
  content: '';
  position: absolute; bottom: 0; left: 14px; right: 14px;
  height: 2px; border-radius: 2px 2px 0 0;
  background: var(--acc-g);
  transform: scaleX(0); transform-origin: center;
  transition: transform var(--t-slow);
}
.tab:hover { color: var(--txt); background: var(--glass); }
.tab.active { color: var(--txt); font-weight: 600; }
.tab.active::after { transform: scaleX(1); }

.tab-badge {
  background: var(--acc-g); color: #fff;
  font-size: 10px; font-weight: 700;
  border-radius: 10px; padding: 1px 7px;
  min-width: 18px; text-align: center;
  box-shadow: 0 0 8px rgba(56,189,248,0.22);
}

.topnav-right { display: flex; align-items: center; gap: 10px; margin-left: 12px; }

.btn-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--r-sm); backdrop-filter: blur(10px);
  cursor: pointer; padding: 9px; transition: background var(--t), border-color var(--t);
  min-width: 40px; min-height: 40px; align-items: center; justify-content: center;
}
.btn-hamburger:hover { background: var(--glass-med); border-color: var(--glass-border-a); }
.btn-hamburger span { display: block; width: 18px; height: 2px; background: var(--txt); border-radius: 2px; transition: transform var(--t); }

/* Mobile drawer */
.mobile-drawer {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--nav-glass);
  backdrop-filter: blur(28px) saturate(160%); -webkit-backdrop-filter: blur(28px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
  display: flex; flex-direction: column;
  padding: 12px 14px env(safe-area-inset-bottom, 12px);
  gap: 4px;
  transform: translateY(-110%); opacity: 0;
  z-index: 190; transition: transform var(--t-slow), opacity var(--t-slow); pointer-events: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.mobile-drawer.open { transform: none; opacity: 1; pointer-events: all; }
.tab-m {
  background: none; border: none; color: var(--txt2);
  font-family: inherit; font-size: 14px; font-weight: 500;
  padding: 14px 16px; text-align: left; cursor: pointer;
  border-radius: var(--r-sm); transition: background var(--t), color var(--t), transform var(--t);
}
.tab-m:hover  { background: var(--glass-med); color: var(--txt); }
.tab-m.active { color: var(--acc); background: var(--acc-bg); }
.drawer-overlay {
  display: none; position: fixed; inset: 0; z-index: 185;
  background: rgba(0,0,0,0.4); backdrop-filter: blur(3px);
}
.drawer-overlay.visible { display: block; animation: fadeIn .18s ease; }

/* ══════════ CONTENT ══════════ */
.content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 24px var(--pad-x) 48px;
  width: 100%;
}

/* ══════════ PROJECT STRIP ══════════ */
.project-strip {
  display: flex; align-items: center; gap: 10px;
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  box-shadow: 0 1px 0 var(--glass-shine) inset, 0 10px 30px -12px rgba(0,0,0,0.45);
}
.project-strip-label {
  font-size: 10px; font-weight: 700; color: var(--txt3);
  text-transform: uppercase; letter-spacing: .09em;
}
/* Custom-wrap of project-select (cs-wrap inherits flex space from strip) */
.project-strip .cs-wrap { flex: 1 1 auto; min-width: 180px; max-width: 360px; }
.project-strip .cs-display { font-weight: 600; }
.project-strip .btn { height: 38px; min-height: 0; }

/* ══════════ COORDINATOR SUB-BAR ══════════ */
.coord-sub-bar {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  box-shadow: 0 1px 0 var(--glass-shine) inset, 0 10px 30px -12px rgba(0,0,0,0.45);
}
.dvb-selector, .bulk-toolbar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}
.dvb-selector .cs-wrap { min-width: 200px; flex: 1 1 auto; max-width: 320px; }
.sub-bar-label {
  font-size: 10.5px; font-weight: 700; color: var(--txt3);
  text-transform: uppercase; letter-spacing: .08em;
}
.sub-bar-label strong { color: var(--acc); }
.sel-sm {
  padding: 6px 30px 6px 10px; font-size: 12.5px;
  min-width: 180px; min-height: 34px;
}
.dvb-info-tag {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600;
  background: rgba(168,85,247,0.12); color: #c084fc;
  border: 1px solid rgba(168,85,247,0.30);
  padding: 6px 12px; border-radius: var(--r-sm);
  min-height: 32px;
}

/* ══════════ SPECTRUM HEADER ══════════ */
.spectrum-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.spectrum-header .spectrum-title {
  padding: 0; border: none;
}
.btn-iconize {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--r-sm); padding: 5px 10px;
  color: var(--txt2); font-family: inherit; font-size: 11.5px; font-weight: 600;
  cursor: pointer; transition: all var(--t);
  display: inline-flex; align-items: center; gap: 5px;
}
.btn-iconize:hover { background: var(--glass-med); color: var(--txt); border-color: var(--glass-border-a); }

/* Bulk-checkbox in freq-row */
.bulk-check {
  width: 18px; height: 18px;
  accent-color: var(--acc);
  cursor: pointer;
  flex-shrink: 0;
}
.freq-row.bulk-selected { border-color: var(--acc); background: var(--acc-bg); }

/* DVB warning marker on freq-row */
.freq-row.dvb-hit { border-left: 3px solid #a855f7; background: rgba(168,85,247,0.06); }
.freq-row.dvb-hit .freq-row-dvb {
  font-size: 10px; font-weight: 700; color: #c084fc;
  text-transform: uppercase; letter-spacing: .05em;
}
.view { display: none; }
.view.active { display: block; animation: viewIn .22s cubic-bezier(.4,0,.2,1); }
@keyframes viewIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:none; } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

/* ══════════ GLASS PANEL ══════════ */
.panel {
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  transition: border-color var(--t), background var(--t), transform var(--t);
  box-shadow: 0 1px 0 var(--glass-shine) inset, 0 10px 30px -12px rgba(0,0,0,0.45);
}
.panel:hover { border-color: rgba(255,255,255,0.16); }

.panel-head {
  padding: 14px 20px 12px;
  border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; gap: 10px;
}
.panel-title {
  font-size: 13px; font-weight: 700; color: var(--txt);
  letter-spacing: -0.1px; display: flex; align-items: center; gap: 8px;
}
.panel-sub {
  font-size: 11.5px; color: var(--txt3); margin-left: auto;
}
.panel-body { padding: 18px 20px; }

.chip {
  background: var(--acc-bg); color: var(--acc);
  font-size: 10px; font-weight: 700; border-radius: 20px;
  padding: 2px 9px; border: 1px solid rgba(56,189,248,0.25);
  letter-spacing: .02em;
}

/* ══════════ DASHBOARD ══════════ */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  margin-bottom: 20px; overflow: hidden;
  position: relative;
  box-shadow: 0 1px 0 var(--glass-shine) inset, 0 10px 30px -12px rgba(0,0,0,0.45);
}
.stat-strip::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,0.45), rgba(16,185,129,0.35), transparent);
  pointer-events: none;
}
.stat-block {
  padding: 22px 18px; text-align: center;
  position: relative;
  transition: background var(--t);
}
.stat-block:hover { background: var(--glass); }
.stat-block + .stat-block { border-left: 1px solid var(--glass-border); }
.stat-n {
  font-size: 34px; font-weight: 800; line-height: 1; letter-spacing: -1.5px;
  background: var(--acc-g);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 10px rgba(56,189,248,0.12));
}
.stat-l {
  font-size: 10.5px; color: var(--txt3); font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em; margin-top: 6px;
}
.stat-sep { display: none; } /* superseded by border-left */

.dash-grid { display: grid; grid-template-columns: 2fr 1fr; gap: var(--gap); }
.panel-tall .panel-body { min-height: 200px; }

/* Quick check */
.qcheck-row { display: flex; gap: 8px; }
.qcheck-input {
  flex: 1; background: var(--input-bg);
  border: 1px solid var(--input-border); border-radius: var(--r-sm);
  color: var(--txt); font-size: 14px; padding: 10px 14px; outline: none;
  font-family: 'Montserrat', sans-serif; transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.qcheck-input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); background: rgba(2,8,22,0.7); }
.qcheck-input::placeholder { color: var(--txt3); }
.qcheck-result { margin-top: 12px; font-size: 13px; }

/* Manufacturer quick grid */
.mfr-quick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.mfr-quick-item {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--r-sm); padding: 11px 13px;
  cursor: pointer; display: flex; align-items: center; gap: 10px;
  transition: all var(--t);
  position: relative; overflow: hidden;
}
.mfr-quick-item::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.06) 50%, transparent 70%);
  transform: translateX(-100%); transition: transform var(--t-slow);
  pointer-events: none;
}
.mfr-quick-item:hover { background: var(--glass-med); border-color: var(--glass-border-a); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.mfr-quick-item:hover::after { transform: translateX(100%); }
.mfr-quick-dot {
  width: 30px; height: 30px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 10px; color: #fff; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.mfr-quick-name  { font-size: 12.5px; font-weight: 600; color: var(--txt); }
.mfr-quick-count { font-size: 10.5px; color: var(--txt2); margin-top: 1px; }

/* Action buttons */
.action-btn {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--r-sm); padding: 13px 14px;
  cursor: pointer; display: flex; align-items: center; gap: 12px; width: 100%;
  text-align: left; font-family: inherit; color: var(--txt);
  transition: all var(--t);
}
.action-btn:hover { background: var(--glass-med); border-color: var(--glass-border-a); transform: translateX(3px); box-shadow: 0 4px 16px rgba(56,189,248,0.12); }
.action-icon  { font-size: 22px; flex-shrink: 0; filter: drop-shadow(0 0 6px rgba(56,189,248,0.14)); }
.action-label { font-size: 13px; font-weight: 600; }
.action-sub   { font-size: 11px; color: var(--txt2); margin-top: 2px; }

/* ══════════ MANUFACTURERS ══════════ */
.mfr-select-mobile { display: none; margin-bottom: 14px; }
.mfr-select-mobile .sel { width: 100%; min-width: 0; }

.mfr-rail {
  display: flex; gap: 8px;
  overflow-x: auto; padding: 2px 0 14px;
  scrollbar-width: none; flex-wrap: wrap;
  -webkit-overflow-scrolling: touch;
}
.mfr-rail::-webkit-scrollbar { display: none; }

.mfr-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--glass);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  cursor: pointer; white-space: nowrap;
  font-size: 13px; font-weight: 600; color: var(--txt2);
  transition: all var(--t); flex-shrink: 0;
  font-family: inherit;
}
.mfr-pill:hover { border-color: var(--glass-border-a); color: var(--txt); background: var(--glass-med); transform: translateY(-1px); }
.mfr-pill.active {
  border-color: var(--acc); background: var(--acc-bg); color: var(--txt);
  box-shadow: 0 0 0 1px var(--acc), 0 0 12px rgba(56,189,248,0.11);
}
.mfr-pill-dot {
  width: 20px; height: 20px; border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 9px; color: #fff; flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.mfr-workspace { animation: viewIn .22s ease; }
.mfr-placeholder {
  text-align: center; padding: 72px 24px; color: var(--txt3);
}
.placeholder-icon { font-size: 48px; opacity: .35; margin-bottom: 12px; display: block; }
.placeholder-text { font-size: 14px; }

/* Selectors */
.mfr-selectors { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.sel {
  background: var(--input-bg);
  border: 1px solid var(--input-border); border-radius: var(--r-sm);
  color: var(--txt); font-size: 13px; font-weight: 500;
  padding: 10px 36px 10px 14px; outline: none; cursor: pointer;
  font-family: inherit; min-width: 200px; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2338bdf8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  transition: border-color var(--t), box-shadow var(--t), background-color var(--t);
}
.sel:hover  { border-color: rgba(255,255,255,0.28); }
.sel:focus  { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); }
.sel option { background: #05101e; color: var(--txt); }

/* Manufacturer header bar */
.mfr-header-bar {
  display: flex; align-items: center; gap: 14px;
  background: var(--glass);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-left: 3px solid var(--mc, var(--acc));
  border-radius: var(--r-sm);
  padding: 12px 18px;
  margin-bottom: 14px;
  position: relative; overflow: hidden;
}
.mfr-header-bar::before {
  content: ''; position: absolute; right: -60px; top: -60px;
  width: 180px; height: 180px; border-radius: 50%;
  background: radial-gradient(circle, var(--mc, var(--acc)) 0%, transparent 70%);
  opacity: 0.10; pointer-events: none;
}
.mfr-hb-dot {
  width: 34px; height: 34px; border-radius: 7px;
  background: var(--mc, var(--acc));
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 11px; color: #fff; flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}
.mfr-hb-name { font-size: 14.5px; font-weight: 700; }
.mfr-hb-sub  { font-size: 10.5px; color: var(--txt3); margin-top: 1px; }

/* System type groups */
.sys-groups-wrap { display: flex; flex-direction: column; gap: 18px; }
.sys-group-label {
  font-size: 10px; font-weight: 700; color: var(--txt3);
  text-transform: uppercase; letter-spacing: .1em;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.sys-group-label::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--glass-border), transparent);
}

/* System cards */
.sys-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
}
.sys-card {
  background: var(--glass);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  padding: 11px 13px;
  transition: border-color var(--t), background var(--t), transform var(--t);
}
.sys-card:hover { transform: translateY(-1px); border-color: var(--glass-border-a); }
.sys-card.active {
  border-color: var(--acc); background: var(--acc-bg);
  box-shadow: 0 0 0 1px var(--acc), 0 0 12px rgba(56,189,248,0.09);
}
.sys-card-name { font-size: 12.5px; font-weight: 700; color: var(--txt); margin-bottom: 4px; }
.sys-card-meta {
  display: flex; gap: 10px; font-size: 10px; color: var(--txt3);
  margin-bottom: 8px; flex-wrap: wrap;
}
.sys-card-meta strong { color: var(--txt2); }

.band-picker-wrap { position: relative; }
.band-picker-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: var(--input-bg); border: 1px solid var(--input-border);
  border-radius: var(--r-sm); color: var(--txt);
  font-size: 13px; font-weight: 500; font-family: inherit;
  padding: 10px 14px; cursor: pointer; text-align: left;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  min-height: 40px;
}
.band-picker-btn.placeholder { color: var(--txt3); }
.band-picker-btn:hover { border-color: rgba(255,255,255,0.28); }
.band-picker-btn:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); outline: none; }
.band-picker-arrow { font-size: 11px; color: var(--acc); flex-shrink: 0; }
.band-picker {
  position: fixed;
  background: var(--nav-glass); backdrop-filter: blur(28px) saturate(160%); -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid var(--glass-border-a); border-radius: var(--r);
  padding: 6px; z-index: 8000;
  display: flex; flex-direction: column; gap: 3px;
  visibility: hidden; opacity: 0; pointer-events: none;
  transform: translateY(-4px); transition: opacity .15s ease, transform .15s ease, visibility .15s;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.band-picker.open { visibility: visible; opacity: 1; pointer-events: all; transform: none; }
.band-picker .ep-country.active { background: var(--acc-bg); border-color: var(--acc); color: var(--txt); }

#band-gen-panel {
  margin-top: 20px;
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: 20px;
  animation: viewIn .22s ease;
  box-shadow: 0 1px 0 var(--glass-shine) inset, 0 10px 30px -12px rgba(0,0,0,0.45);
}
.band-panel-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--glass-border);
}
.banks-section { margin-bottom: 20px; }
.banks-section-title {
  font-size: 11px; font-weight: 700; color: var(--txt2);
  text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.bank-tabs {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px;
}
.bank-tab {
  background: var(--glass-med);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  color: var(--txt2); font-size: 12px; font-weight: 600;
  padding: 6px 13px; cursor: pointer;
  font-family: inherit;
  display: flex; align-items: center; gap: 6px;
  transition: all var(--t);
}
.bank-tab:hover  { border-color: var(--acc); color: var(--txt); }
.bank-tab.active { background: var(--acc-bg); border-color: var(--acc); color: var(--acc); box-shadow: 0 0 8px rgba(56,189,248,0.09); }
.bank-tab-count {
  background: var(--glass-high); border-radius: 10px;
  font-size: 10px; padding: 1px 6px; color: var(--txt3);
}
.bank-tab.active .bank-tab-count { background: rgba(14,165,233,0.22); color: var(--acc); }

.bank-freq-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; margin-bottom: 4px;
}

.gen-details { border-top: 1px solid var(--glass-border); padding-top: 16px; margin-top: 4px; }
.gen-details-title {
  font-size: 12px; font-weight: 600; color: var(--txt2);
  cursor: pointer; list-style: none; user-select: none;
  display: flex; align-items: center; gap: 6px;
  padding: 4px 0;
  transition: color var(--t);
}
.gen-details-title:hover { color: var(--acc); }
.gen-details[open] .gen-details-title { color: var(--acc); }

.sys-bar {
  background: var(--glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border); border-radius: var(--r);
  padding: 14px 20px; display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap; margin-bottom: 14px;
}
.sys-bar-name { font-size: 14px; font-weight: 700; }
.sys-bar-desc { font-size: 12.5px; color: var(--txt2); flex: 1; }
.sys-meta-item { font-size: 11.5px; color: var(--txt2); }
.sys-meta-item strong { color: var(--txt); }

.band-header {
  background: var(--glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border); border-radius: var(--r);
  padding: 14px 20px; display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap; margin-bottom: 14px;
}
.band-name  {
  font-size: 20px; font-weight: 800;
  background: var(--acc-g);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px rgba(56,189,248,0.12));
}
.band-range { font-size: 13px; color: var(--txt2); }

/* Generator bar */
.gen-bar {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end;
  background: var(--acc-bg); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(56,189,248,0.22); border-radius: var(--r);
  padding: 14px 18px; margin-bottom: 16px;
}
.gen-field  { display: flex; flex-direction: column; gap: 4px; }
.gen-label  { font-size: 10.5px; font-weight: 700; color: var(--txt3); text-transform: uppercase; letter-spacing: .07em; }
.gen-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border); border-radius: var(--r-sm);
  color: var(--txt); font-size: 13px; padding: 8px 10px; outline: none; width: 90px;
  font-family: inherit; transition: border-color var(--t), box-shadow var(--t);
  min-height: 38px;
}
.gen-input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); }
.gen-bar .btn { padding: 8px 14px; font-size: 13px; }

/* Frequency grid */
.freq-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(128px, 1fr)); gap: 7px; margin-top: 14px; }
.freq-item {
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: var(--r-sm);
  padding: 10px 12px; cursor: pointer;
  transition: all var(--t);
  min-height: 56px;
}
.freq-item:hover { background: var(--glass-med); border-color: var(--acc); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(56,189,248,0.08); }
.freq-item.in-coordinator { border-color: var(--ok); background: var(--ok-bg); }
.freq-item.reserve { border-color: rgba(251,191,36,0.3); background: rgba(251,191,36,0.05); }
.freq-item.reserve:hover { border-color: var(--warn); box-shadow: 0 6px 18px rgba(251,191,36,0.07); }
.freq-item.reserve .freq-action { color: var(--warn); }
.freq-item.reserve.in-coordinator { border-color: var(--ok); background: var(--ok-bg); }
.freq-item.reserve.in-coordinator .freq-action { color: var(--ok); }
.freq-mhz    { font-size: 13.5px; font-weight: 700; color: var(--txt); }
.freq-action { font-size: 10px; color: var(--txt3); margin-top: 3px; }
.freq-item.in-coordinator .freq-action { color: var(--ok); }
.reserve-pool-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 20px; margin-bottom: 0; padding: 8px 12px;
  background: rgba(251,191,36,0.06); border: 1px solid rgba(251,191,36,0.18);
  border-radius: var(--r-sm); font-size: 12px; font-weight: 600; color: var(--warn);
}
.reserve-pool-count {
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(251,191,36,0.18); color: var(--warn);
  font-size: 10px; font-weight: 700; border-radius: 10px;
  padding: 1px 7px; margin-left: 6px;
}
.reserve-pool-sub { font-size: 10px; font-weight: 400; color: var(--txt3); }
.gen-results-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; flex-wrap: wrap; gap: 8px; }

/* ══════════ COORDINATOR ══════════ */
.coord-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 16px; flex-wrap: wrap;
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  box-shadow: 0 1px 0 var(--glass-shine) inset, 0 10px 30px -12px rgba(0,0,0,0.45);
}
.coord-add { display: flex; gap: 8px; flex: 1; min-width: 240px; max-width: 560px; align-items: stretch; height: 40px; }
.coord-input {
  flex: 1; height: 40px; order: 1; background: var(--input-bg);
  border: 1px solid var(--input-border); border-radius: var(--r-sm);
  color: var(--txt); font-size: 14px; padding: 0 14px; outline: none;
  font-family: inherit; transition: border-color var(--t), box-shadow var(--t);
}
.coord-input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); }
.coord-input::placeholder { color: var(--txt3); }
.add-type-select { min-width: 130px; flex-shrink: 0; }
.coord-add .cs-wrap   { order: 2; flex-shrink: 0; min-width: 130px; }
.coord-add .cs-display { height: 40px; }
.coord-add-btn { order: 3; min-width: 110px; min-height: 0; align-self: stretch; }
.coord-actions { display: flex; gap: 8px; align-items: center; padding-top: 3px; overflow: visible; }

.export-picker-wrap { position: relative; }
.export-picker {
  position: fixed;
  background: var(--nav-glass); backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
  border: 1px solid var(--glass-border-a); border-radius: var(--r);
  padding: 8px; z-index: 8000;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  min-width: 280px;
  visibility: hidden; opacity: 0; pointer-events: none;
  transform: translateY(-6px); transition: opacity .15s ease, transform .15s ease, visibility .15s;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.export-picker.open { visibility: visible; opacity: 1; pointer-events: all; transform: none; }
.ep-country {
  display: flex; align-items: center; gap: 8px;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--r-sm); padding: 8px 10px; cursor: pointer;
  font-family: inherit; font-size: 12px; font-weight: 600; color: var(--txt2);
  transition: all var(--t); text-align: left; white-space: nowrap;
  min-height: 36px;
}
.ep-country:hover { background: var(--acc-bg); border-color: var(--acc); color: var(--txt); }
.ep-flag { font-size: 16px; flex-shrink: 0; }
.ep-name { font-size: 11.5px; }

/* Spectrum */
.spectrum-hero {
  background: var(--glass);
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg); overflow: hidden;
  margin-top: 8px;
  margin-bottom: 16px;
  box-shadow: 0 1px 0 var(--glass-shine) inset, 0 10px 30px -12px rgba(0,0,0,0.45);
  position: relative;
}
.spectrum-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,0.4), transparent);
  pointer-events: none;
}
.spectrum-title {
  padding: 12px 18px; font-size: 10.5px; font-weight: 700;
  color: var(--txt3); text-transform: uppercase; letter-spacing: .12em;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.spectrum-canvas { width: 100%; height: 280px; display: block; cursor: crosshair; vertical-align: top; }
.spectrum-legend {
  display: flex; gap: 20px; padding: 10px 18px;
  background: rgba(0,0,0,0.25); border-top: 1px solid rgba(255,255,255,0.05);
  flex-wrap: wrap;
}
.leg { display: flex; align-items: center; gap: 7px; font-size: 11px; color: rgba(255,255,255,0.45); }
.leg-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 4px currentColor; }
.leg-dot-type { background: #38bdf8; }

.coord-bottom { display: grid; grid-template-columns: 300px 1fr; gap: var(--gap); align-items: start; }
.coord-im-panel { overflow: visible; }
.coord-im-panel .panel-body { overflow-x: auto; min-height: 200px; }
.coord-im-panel .im-table td,
.coord-im-panel .im-table th { white-space: nowrap; }

/* Freq list rows */
.freq-list { display: flex; flex-direction: column; gap: 6px; max-height: 480px; overflow-y: auto; padding-right: 4px; }
.freq-row {
  background: var(--glass); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: var(--r-sm);
  padding: 10px 14px; display: flex; flex-direction: column;
  transition: border-color var(--t), background var(--t);
}
.freq-row.ok       { border-left: 3px solid var(--ok); }
.freq-row.warn     { border-left: 3px solid var(--warn); background: var(--warn-bg); }
.freq-row.conflict { border-left: 3px solid var(--err); background: var(--err-bg); }
.freq-row.dragging  { opacity: .35; }
.freq-row.drag-over { border-color: var(--acc); box-shadow: 0 0 0 2px rgba(56,189,248,0.14), inset 0 0 0 1px rgba(56,189,248,0.06); }
.drag-handle {
  cursor: grab; color: var(--txt3); font-size: 17px; letter-spacing: -1px;
  user-select: none; flex-shrink: 0; padding: 0 2px; opacity: 0;
  transition: opacity var(--t), color var(--t);
}
.freq-row:hover .drag-handle { opacity: .55; }
.drag-handle:hover             { opacity: 1 !important; color: var(--acc); }
.drag-handle:active            { cursor: grabbing; }
.freq-row-main { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.freq-row-hz  { font-size: 14px; font-weight: 700; flex: 1; min-width: 110px; }
.freq-row-lbl { font-size: 10.5px; color: var(--txt2); flex: 1; min-width: 80px; }
.freq-row-st  { font-size: 13px; width: 20px; text-align: center; flex-shrink: 0; }
.freq-type-badge {
  font-size: 9px; font-weight: 700; letter-spacing: 0.03em;
  padding: 2px 8px; border-radius: 100px; border: 1px solid;
  flex-shrink: 0; line-height: 1.6; cursor: default; white-space: nowrap;
}
.btn-del {
  background: none; border: none; color: var(--txt3); cursor: pointer;
  font-size: 14px; padding: 4px 8px; border-radius: var(--r-sm);
  transition: color var(--t), background var(--t);
  min-width: 32px; min-height: 32px;
}
.btn-del:hover { color: var(--err); background: var(--err-bg); }
.btn-expand {
  background: none; border: none; color: var(--txt3); cursor: pointer;
  font-size: 11px; padding: 4px 8px; border-radius: var(--r-sm);
  transition: color var(--t), transform var(--t);
  min-width: 32px; min-height: 32px;
}
.btn-expand:hover { color: var(--acc); }
.btn-expand.open { transform: rotate(180deg); color: var(--acc); }
.freq-row-details { display: none; padding-top: 10px; margin-top: 8px; border-top: 1px solid var(--glass-border); }
.freq-row-details.open { display: block; animation: viewIn .18s ease; }
.freq-detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 9px; }
.fdg-field { display: flex; flex-direction: column; gap: 3px; }
.fdg-field label { font-size: 9px; color: var(--txt3); text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
.fdg-input {
  background: var(--input-bg); border: 1px solid var(--input-border); border-radius: var(--r-sm);
  color: var(--txt); font-size: 12px; padding: 6px 9px; outline: none;
  font-family: inherit; width: 100%; transition: border-color var(--t), box-shadow var(--t);
  min-height: 32px;
}
.fdg-input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.14); }
select.fdg-input, select.ef-input {
  appearance: none; cursor: pointer; font-weight: 500;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2338bdf8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
  padding-right: 28px;
}
select.fdg-input { padding: 6px 28px 6px 9px; font-size: 12px; }
select.ef-input  { padding: 6px 28px 6px 9px; font-size: 12px; }
select.fdg-input:hover, select.ef-input:hover { border-color: rgba(255,255,255,0.28); }
select.fdg-input:focus, select.ef-input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); }
select.fdg-input option, select.ef-input option { background: #05101e; color: var(--txt); }
.list-empty { color: var(--txt2); font-size: 13px; text-align: center; padding: 32px 16px; line-height: 1.6; }

/* IM */
.im-hint { color: var(--txt2); font-size: 13px; }
.im-clean-bar {
  background: var(--ok-bg);
  border: 1px solid rgba(52,211,153,0.22);
  border-left: 3px solid var(--ok);
  border-radius: var(--r-sm); padding: 12px 16px;
  color: var(--ok); font-size: 13px; font-weight: 600;
}
.im-stat-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.im-conflicts-title {
  font-size: 10px; font-weight: 700; color: var(--err);
  text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.im-table {
  width: 100%; border-collapse: collapse; font-size: 11.5px;
  border-radius: var(--r-sm); overflow: hidden;
}
.im-table thead { background: rgba(56,189,248,0.08); }
.im-table th {
  padding: 9px 12px; text-align: left;
  font-size: 10px; font-weight: 700; color: var(--txt2);
  text-transform: uppercase; letter-spacing: .07em;
  border-bottom: 1px solid var(--glass-border);
}
.im-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--glass-border);
  color: var(--txt2);
}
.im-table tr:last-child td { border-bottom: none; }
.im-table tr:hover td { background: var(--glass); }
.im-table td.mono { font-weight: 700; font-size: 12px; color: var(--txt); font-variant-numeric: tabular-nums; }
.im-table td.mono.err  { color: var(--err); }
.im-table td.mono.warn { color: var(--warn); }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 10px; font-weight: 700; letter-spacing: .03em; }
.badge-im3 { background: rgba(248,113,113,0.15); color: var(--err);  border: 1px solid rgba(248,113,113,0.28); }
.badge-im5 { background: rgba(251,191,36,0.13);  color: var(--warn); border: 1px solid rgba(251,191,36,0.28); }
.badge-tb  { background: rgba(56,189,248,0.10);  color: var(--acc);  border: 1px solid rgba(56,189,248,0.22); }

/* ══════════ EXPORT ══════════ */
.export-top-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.export-top-row > .panel { height: 100%; }
.form-stack { display: flex; flex-direction: column; gap: 10px; }
.fg { display: flex; flex-direction: column; gap: 4px; }
.fg label { font-size: 10.5px; font-weight: 700; color: var(--txt3); text-transform: uppercase; letter-spacing: .07em; }
.fi {
  width: 100%;
  height: 40px;
  background: var(--input-bg);
  border: 1px solid var(--input-border); border-radius: var(--r-sm);
  color: var(--txt); font-size: 13px; padding: 0 12px; outline: none;
  font-family: inherit; transition: border-color var(--t), box-shadow var(--t), background var(--t);
  box-sizing: border-box;
}
.fi:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); background: rgba(2,8,22,0.7); }
.fi::placeholder { color: var(--txt3); }
.fi option { background: #05101e; color: var(--txt); }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.country-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 6px; margin-bottom: 12px; }
.country-btn {
  background: var(--glass); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border); border-radius: var(--r-sm);
  color: var(--txt2); padding: 9px 10px; cursor: pointer;
  font-family: inherit; font-size: 11.5px; font-weight: 600;
  text-align: left; display: flex; align-items: center; gap: 6px;
  transition: all var(--t);
  min-height: 38px;
}
.country-btn:hover { background: var(--glass-med); color: var(--txt); border-color: var(--glass-border-a); }
.country-btn.selected { border-color: var(--acc); background: var(--acc-bg); color: var(--txt); box-shadow: 0 0 14px rgba(56,189,248,0.18); }
.c-flag { font-size: 16px; }
.c-name { font-size: 11px; }
.country-note { font-size: 12px; color: var(--txt2); line-height: 1.6; margin-top: 10px; }

.export-freq-col { min-height: 500px; }
.export-freq-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.export-freq-table th { padding: 9px 10px; text-align: left; font-size: 10px; font-weight: 700; color: var(--txt2); text-transform: uppercase; letter-spacing: .07em; border-bottom: 1px solid var(--glass-border); white-space: nowrap; }
.export-freq-table td { padding: 7px 10px; border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: middle; }
.export-freq-table tr:hover td { background: var(--glass); }
.ef-num { font-weight: 700; color: var(--acc); font-variant-numeric: tabular-nums; }
.ef-input {
  background: var(--input-bg); border: 1px solid var(--input-border); border-radius: 6px;
  color: var(--txt); font-size: 13px; font-weight: 500; padding: 8px 12px; height: 38px;
  box-sizing: border-box; outline: none; width: 100%; font-family: inherit;
  transition: border-color var(--t), box-shadow var(--t);
}
.ef-input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.14); }

/* Mobile card-mode for export-freq-table — activated via media query */
.ef-mobile-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ══════════ BUTTONS ══════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; border-radius: var(--r-sm);
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: none; outline: none; transition: all var(--t);
  font-family: inherit; white-space: nowrap; letter-spacing: -0.1px;
  min-height: 38px;
  position: relative; overflow: hidden;
}
.btn:active { transform: scale(0.97); }

.btn-acc {
  background: var(--acc-g); color: #fff;
  box-shadow: 0 4px 18px rgba(56,189,248,0.32), 0 0 24px rgba(16,185,129,0.18);
}
.btn-acc:hover { filter: brightness(1.1); box-shadow: 0 6px 24px rgba(56,189,248,0.45), 0 0 32px rgba(16,185,129,0.28); transform: translateY(-1px); }

.btn-outline {
  background: var(--acc-bg); color: var(--acc);
  border: 1.5px solid var(--acc); backdrop-filter: blur(10px);
}
.btn-outline:hover { background: rgba(56,189,248,0.18); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(56,189,248,0.18); }

.btn-ghost {
  background: var(--glass); color: var(--txt2);
  border: 1px solid var(--glass-border); backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: var(--glass-med); color: var(--txt); border-color: var(--glass-border-a); transform: translateY(-1px); }

.btn-danger {
  background: var(--err-bg); color: var(--err);
  border: 1px solid rgba(248,113,113,0.25);
  backdrop-filter: blur(10px);
}
.btn-danger:hover { background: rgba(248,113,113,0.18); border-color: var(--err); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(248,113,113,0.28); }

.btn-sm   { padding: 6px 12px; font-size: 12px; min-height: 32px; }
.btn-lg   { padding: 13px 26px; font-size: 14px; min-height: 46px; }
.btn-full { width: 100%; }

/* ══════════ TAGS ══════════ */
.tag { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; backdrop-filter: blur(8px); }
.tag-ok   { background: var(--ok-bg);   color: var(--ok);   border: 1px solid rgba(52,211,153,0.25); }
.tag-err  { background: var(--err-bg);  color: var(--err);  border: 1px solid rgba(248,113,113,0.25); }
.tag-warn { background: var(--warn-bg); color: var(--warn); border: 1px solid rgba(251,191,36,0.25); }
.tag-acc  { background: var(--acc-bg);  color: var(--acc);  border: 1px solid rgba(56,189,248,0.25); }
.tag-info { background: var(--acc-bg);  color: var(--acc);  border: 1px solid rgba(56,189,248,0.25); }

/* ══════════ MODALS / TOAST ══════════ */
#_picker-overlay { display: none; position: fixed; inset: 0; z-index: 7999; }
#_picker-overlay.active { display: block; }

.confirm-overlay {
  display: none; position: fixed; inset: 0; z-index: 9500;
  background: rgba(4,8,20,0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  align-items: center; justify-content: center;
  padding: 16px;
}
.confirm-overlay.active { display: flex; animation: fadeIn .18s ease; }
#prompt-modal { z-index: 9700; }
.confirm-modal {
  background: rgba(7, 11, 24, 0.96);
  backdrop-filter: blur(48px) saturate(180%); -webkit-backdrop-filter: blur(48px) saturate(180%);
  border: 1px solid rgba(56,189,248,0.14);
  border-radius: var(--r-lg);
  padding: 32px 28px 24px; max-width: 380px; width: 100%;
  text-align: center;
  animation: tIn .22s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 40px 100px rgba(0,0,0,0.70), 0 1px 0 rgba(255,255,255,0.06) inset;
  position: relative; overflow: hidden;
}
.confirm-modal::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,189,248,0.55), transparent);
  pointer-events: none;
}
.confirm-icon { font-size: 32px; margin-bottom: 14px; }
.confirm-title { font-size: 16px; font-weight: 700; color: var(--txt); margin-bottom: 8px; }
.confirm-sub { font-size: 12.5px; color: var(--txt2); line-height: 1.6; margin-bottom: 20px; }
.confirm-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.confirm-actions .btn { min-width: 110px; }
.export-modal-inner { max-width: 440px; text-align: left; }
.export-modal-inner .confirm-icon,
.export-modal-inner .confirm-title,
.export-modal-inner .confirm-sub { text-align: center; }
.export-modal-note {
  margin-top: 10px; font-size: 11.5px; line-height: 1.6; color: var(--txt2); min-height: 36px;
}
.em-drop {
  position: absolute; left: 0; right: 0; top: calc(100% + 4px);
  background: rgba(7,11,24,0.98); border: 1px solid rgba(56,189,248,0.14);
  border-radius: var(--r); padding: 4px; z-index: 10;
  display: flex; flex-direction: column; gap: 2px; max-height: 260px; overflow-y: auto;
  visibility: hidden; opacity: 0; pointer-events: none;
  transform: translateY(-4px); transition: opacity .15s ease, transform .15s ease, visibility .15s;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.em-drop.open { visibility: visible; opacity: 1; pointer-events: all; transform: none; }
.em-drop .ep-country { background: none; border: none; border-radius: 6px; }
.em-drop .ep-country:hover { background: var(--glass-med); border: none; }
#toast-container { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 9999; pointer-events: none; padding: 0 16px; max-width: 90%; }
.toast {
  background: var(--glass-high); backdrop-filter: blur(28px) saturate(160%); -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid var(--glass-border); border-left: 3px solid var(--acc);
  border-radius: var(--r-sm); padding: 12px 16px;
  font-size: 13px; font-weight: 500; color: var(--txt);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  display: flex; align-items: center; gap: 9px;
  pointer-events: all; max-width: 320px;
  animation: tIn .22s cubic-bezier(.4,0,.2,1);
}
.toast.ok   { border-left-color: var(--ok); }
.toast.err  { border-left-color: var(--err); }
.toast.warn { border-left-color: var(--warn); }
@keyframes tIn  { from { opacity:0; transform:translateY(12px) scale(.96); } to { opacity:1; transform:none; } }
@keyframes tOut { from { opacity:1; } to { opacity:0; transform:translateY(10px); } }

/* ══════════ BOTTOM BAR ══════════ */
.bottombar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--nav-glass); backdrop-filter: blur(28px) saturate(160%); -webkit-backdrop-filter: blur(28px) saturate(160%);
  border-top: 1px solid var(--glass-border);
  z-index: 8500; padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -4px 24px rgba(0,0,0,0.3);
}
.bottombar > div { display: flex; width: 100%; }
.bb-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 10px 4px; background: none; border: none; cursor: pointer;
  color: var(--txt3); font-family: inherit; transition: color var(--t);
  position: relative;
  min-height: 52px;
}
.bb-item::before {
  content: ''; position: absolute; top: 0; left: 30%; right: 30%;
  height: 2px; border-radius: 0 0 2px 2px;
  background: var(--acc-g);
  transform: scaleX(0); transition: transform var(--t);
}
.bb-item.active { color: var(--acc); }
.bb-item.active::before { transform: scaleX(1); }
.bb-icon  { font-size: 18px; }
.bb-label { font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }

/* ══════════ UTILITY ══════════ */
.hidden  { display: none !important; }
.flex    { display: flex; }
.flex-1  { flex: 1; }
.items-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: 8px; }
.mt-3   { margin-top: 12px; }
.mt-4   { margin-top: 16px; }
.mb-3   { margin-bottom: 12px; }
.text-sm   { font-size: 12px; }
.text-muted { color: var(--txt3); }
.font-bold { font-weight: 700; }
.text-acc  { color: var(--acc); }
.text-ok   { color: var(--ok); }
.text-err  { color: var(--err); }

/* ══════════ LOGIN ══════════ */
#login-screen {
  position: fixed; inset: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-base);
  padding: 20px;
}
#login-screen::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 70% 70% at 20% 40%, var(--orb1), transparent 60%),
    radial-gradient(ellipse 55% 55% at 80% 20%, var(--orb2), transparent 60%),
    radial-gradient(ellipse 50% 50% at 60% 85%, var(--orb3), transparent 60%);
  pointer-events: none;
  animation: meshDrift 32s ease-in-out infinite alternate;
}
.login-card {
  position: relative; z-index: 1;
  background: var(--glass-med);
  backdrop-filter: blur(36px) saturate(160%); -webkit-backdrop-filter: blur(36px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: 40px 36px;
  width: 100%; max-width: 420px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 1px 0 var(--glass-shine) inset;
}
.login-card::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: var(--r-xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(56,189,248,0.4), transparent 40%, transparent 60%, rgba(16,185,129,0.3));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}
.login-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 36px;
}
.login-logo-mark {
  width: 46px; height: 46px;
  background: var(--acc-g);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 15px; color: #fff;
  box-shadow: 0 0 28px rgba(14,165,233,0.45), 0 0 48px rgba(16,185,129,0.25);
  flex-shrink: 0;
}
.login-logo-name {
  font-size: 18px; font-weight: 800; color: var(--txt);
  letter-spacing: -0.4px;
}
.login-logo-sub {
  font-size: 11px; color: var(--txt3); margin-top: 2px;
}
.login-label {
  font-size: 11px; font-weight: 700; color: var(--txt3);
  text-transform: uppercase; letter-spacing: .08em;
  display: block; margin-bottom: 6px;
}
.login-field { margin-bottom: 16px; }
.login-input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--r-sm);
  color: var(--txt); font-size: 16px;
  padding: 12px 14px; outline: none;
  font-family: inherit;
  height: 46px;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}
.login-input:focus {
  border-color: var(--acc);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.18);
  background: rgba(2,8,22,0.7);
}
.login-input::placeholder { color: var(--txt3); }
.login-pw-wrap { position: relative; }
.login-pw-wrap .login-input { padding-right: 46px; }
.login-eye {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 46px;
  background: none; border: none; cursor: pointer;
  font-size: 16px; color: var(--txt3);
  transition: color var(--t);
  display: flex; align-items: center; justify-content: center;
}
.login-eye:hover { color: var(--acc); }
.login-error {
  background: var(--err-bg);
  border: 1px solid rgba(248,113,113,0.28);
  border-radius: var(--r-sm);
  color: var(--err); font-size: 13px; font-weight: 500;
  padding: 11px 14px; margin-bottom: 16px;
  text-align: center;
  animation: fadeIn .2s ease;
}
.login-btn {
  margin-top: 8px;
  height: 48px; font-size: 14px; font-weight: 700;
  letter-spacing: 0.02em;
}

/* ── Auth tabs (Login / Register) ── */
.auth-tabs {
  display: flex; gap: 4px;
  background: rgba(0,0,0,0.25);
  border-radius: var(--r-sm);
  padding: 4px;
  margin-bottom: 24px;
}
.auth-tab {
  flex: 1; height: 36px;
  background: none; border: none; border-radius: calc(var(--r-sm) - 2px);
  color: var(--txt3); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all var(--t);
  font-family: inherit;
}
.auth-tab.active {
  background: var(--glass-med);
  color: var(--txt);
  box-shadow: 0 1px 4px rgba(0,0,0,0.35);
}
.auth-tab:hover:not(.active) { color: var(--txt2); }
.auth-note {
  font-size: 11px; color: var(--txt3); text-align: center;
  margin-top: 12px; line-height: 1.5;
}

/* ── Paywall screen ── */
#paywall-screen {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  overflow-y: auto; padding: 20px;
}
#paywall-screen::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 70% at 20% 40%, var(--orb1), transparent 60%),
    radial-gradient(ellipse 55% 55% at 80% 20%, var(--orb2), transparent 60%);
}
.paywall-card {
  position: relative; z-index: 1;
  background: var(--glass-med);
  backdrop-filter: blur(36px) saturate(160%); -webkit-backdrop-filter: blur(36px) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: 40px 36px;
  width: 100%; max-width: 460px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
  text-align: center;
}
.paywall-title {
  font-size: 22px; font-weight: 800; color: var(--txt);
  letter-spacing: -0.3px; margin-bottom: 6px;
}
.paywall-sub {
  font-size: 13px; color: var(--txt3); margin-bottom: 24px;
}
.paywall-sub strong { color: var(--txt2); }
.paywall-features {
  list-style: none; padding: 0; margin: 0 0 28px;
  text-align: left;
}
.paywall-features li {
  font-size: 13px; color: var(--txt2);
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.paywall-features li:last-child { border-bottom: none; }
.paywall-cta {
  height: 50px; font-size: 15px; font-weight: 700;
  letter-spacing: 0.02em; text-decoration: none;
  display: flex; align-items: center; justify-content: center;
}
.paywall-pending-msg {
  font-size: 12px; color: var(--warn);
  background: rgba(251,191,36,0.08);
  border-radius: var(--r-sm);
  padding: 10px 14px; margin-top: 10px;
}

/* ── Topnav user display ── */
.topnav-user {
  display: flex; align-items: center; gap: 8px;
  margin-right: 8px;
}
.topnav-username {
  font-size: 12px; font-weight: 600;
  color: var(--txt2);
  max-width: 120px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ══════════ CUSTOM DROPDOWN ══════════ */
.cs-wrap {
  position: relative;
  cursor: pointer;
  user-select: none;
  display: block;
}
.cs-display {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--r-sm);
  color: var(--txt);
  font-size: 13px; font-weight: 500;
  font-family: inherit;
  padding: 8px 36px 8px 12px;
  height: 38px;
  display: flex; align-items: center;
  transition: border-color var(--t), box-shadow var(--t);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2338bdf8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  box-sizing: border-box;
}
.cs-wrap:hover .cs-display { border-color: rgba(255,255,255,0.28); }
.cs-wrap.open .cs-display  { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(56,189,248,0.16); }

.cs-options {
  position: absolute;
  overscroll-behavior: contain;
  background: rgba(5,12,28,0.97);
  backdrop-filter: blur(28px) saturate(160%);
  -webkit-backdrop-filter: blur(28px) saturate(160%);
  border: 1px solid var(--glass-border-a);
  border-radius: var(--r-sm);
  z-index: 9800;
  max-height: 260px;
  overflow-y: auto;
  display: none;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.cs-options.open { display: block; animation: fadeIn .14s ease; }
.cs-option {
  padding: 10px 14px;
  font-size: 13px; font-weight: 500;
  color: var(--txt2);
  cursor: pointer;
  transition: background var(--t), color var(--t);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.cs-option:last-child { border-bottom: none; }
.cs-option:hover  { background: var(--glass-med); color: var(--txt); }
.cs-option.active { color: var(--acc); background: var(--acc-bg); }
.cs-option.cs-placeholder { color: var(--txt3); }

/* ════════════════════════════════════
   RESPONSIVE — comprehensive breakpoints
════════════════════════════════════ */

/* ≤ 1180px : tablet landscape */
@media (max-width: 1180px) {
  :root { --content-max: 100%; --pad-x: 20px; }
  .dash-grid { grid-template-columns: 1fr 1fr; }
  .coord-bottom { grid-template-columns: 280px 1fr; }
}

/* ≤ 980px : tablet */
@media (max-width: 980px) {
  .export-top-row { grid-template-columns: 1fr 1fr; }
  .coord-bottom { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(3, 1fr); }
  .stat-n { font-size: 28px; }
  .stat-block { padding: 18px 12px; }
}

/* ≤ 820px : phablet — collapse top tabs */
@media (max-width: 820px) {
  .topnav { padding: 0 14px 0 16px; }
  .topnav-brand { margin-right: 0; flex: 1; }
  .topnav-tabs { display: none; }
  .btn-hamburger { display: flex; }
  .content { padding: 16px 16px 88px; }
  .bottombar { display: block; }
  .dash-grid { grid-template-columns: 1fr; }
  .dash-grid > .panel { order: 1; }
  .dash-grid > .panel-tall { order: 2; }
  .panel-tall .panel-body { min-height: 0; }
  .spectrum-canvas { height: 200px !important; }
  .export-top-row { grid-template-columns: 1fr; gap: var(--gap); }
  .coord-bottom { grid-template-columns: 1fr; }
  .mfr-rail { display: none; }
  .mfr-select-mobile { display: block; }
  .mfr-pill { padding: 8px 14px; }
  .sys-cards-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .stat-n { font-size: 26px; }
  .stat-block { padding: 16px 10px; }
}

/* ≤ 640px : small phone */
.lbl-sm { display: none; }
@media (max-width: 640px) {
  .lbl-full { display: none; }
  .lbl-sm   { display: inline; }
}

@media (max-width: 640px) {
  :root { --pad-x: 14px; --r-lg: 14px; }
  .content { padding: 14px 14px 92px; }
  .panel-body { padding: 14px 14px; }
  .panel-head { padding: 12px 14px 10px; }
  .stat-strip { grid-template-columns: repeat(3, 1fr); }
  .stat-block { padding: 14px 8px; }
  .stat-n { font-size: 24px; letter-spacing: -1px; }
  .stat-l { font-size: 9.5px; }
  .spectrum-canvas { height: 170px !important; }
  .coord-toolbar { flex-direction: column; align-items: stretch; }
  .coord-add { max-width: 100%; min-width: 0; flex-wrap: wrap; height: auto; align-items: center; }
  .coord-input    { order: 0; flex: 1 1 auto; height: 40px; }
  .coord-add-btn  { order: 0; height: 40px; min-height: 0; flex-shrink: 0; min-width: 0; }
  .coord-add .cs-wrap { order: 1; flex: 1 1 100%; min-width: 0; }
  .coord-add .cs-display { height: 40px; }
  .coord-actions { flex-wrap: wrap; gap: 6px; }
  .coord-actions .btn { flex: 1 1 auto; min-width: 0; font-size: 12px; padding: 6px 10px; }
  .coord-sub-bar { gap: 8px; }
  .dvb-selector { width: 100%; }
  .dvb-selector .cs-wrap { min-width: 0; flex: 1 1 auto; }
  .scan-ctrl { width: 100%; }
  .scan-ctrl .btn { flex: 1 1 auto; }
  .freq-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 6px; }
  .country-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .mfr-quick-grid { grid-template-columns: 1fr 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .gen-bar { flex-direction: column; align-items: stretch; }
  .gen-input { width: 100%; }
  .sys-cards-grid { grid-template-columns: 1fr; }
  .mfr-header-bar { padding: 10px 14px; gap: 10px; }
  .mfr-hb-dot { width: 30px; height: 30px; }
  .band-name { font-size: 17px; }
  .freq-row-main { gap: 8px; }
  .freq-row-hz { font-size: 13px; min-width: 90px; }

  /* Export freq table → card layout (single column, no horizontal overflow) */
  .ef-mobile-wrap { overflow-x: visible; }
  .export-freq-table thead { display: none; }
  .export-freq-table, .export-freq-table tbody { display: block; width: 100%; }
  .export-freq-table tr {
    display: block;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-sm);
    padding: 12px;
    margin-bottom: 10px;
    width: 100%;
  }
  .export-freq-table tr:hover td { background: none; }
  .export-freq-table td {
    display: flex; align-items: center; gap: 10px;
    border-bottom: none; padding: 5px 0;
    min-width: 0; width: 100%;
  }
  .export-freq-table td::before {
    content: attr(data-label);
    font-size: 9.5px; font-weight: 700; color: var(--txt3);
    text-transform: uppercase; letter-spacing: .06em;
    flex: 0 0 78px;
  }
  .export-freq-table td:first-child {
    border-bottom: 1px solid var(--glass-border);
    padding: 0 0 8px; margin-bottom: 4px;
    font-weight: 700; color: var(--acc);
    display: block;
  }
  .export-freq-table td:first-child::before { display: none; }
  .export-freq-table td:nth-child(2) {
    font-size: 16px; font-weight: 700;
    color: var(--txt);
    border-bottom: 1px solid var(--glass-border);
    padding: 0 0 10px; margin-bottom: 6px;
    display: block;
  }
  .export-freq-table td:nth-child(2)::before { display: none; }
  .export-freq-table .ef-input {
    width: 100% !important; min-width: 0;
    flex: 1 1 0; max-width: 100%;
    box-sizing: border-box;
  }
  .export-freq-table datalist { display: none; }

  /* Login card */
  .login-card { padding: 28px 22px; max-width: 100%; }
  .login-logo { margin-bottom: 26px; }
}

/* ≤ 480px : phone narrow */
@media (max-width: 480px) {
  .project-sel { min-width: 0; flex: 1 1 100%; }
  .project-strip { gap: 8px; padding: 8px 10px; }
  .sel-sm { min-width: 0; flex: 1 1 100%; }
}

/* ≤ 400px : tiny */
@media (max-width: 400px) {
  :root { --pad-x: 12px; }
  .content { padding: 12px 12px 92px; }
  .panel-body { padding: 12px 12px; }
  .topnav { padding: 0 12px; }
  .brand-name { font-size: 15px; }
  .freq-grid { grid-template-columns: repeat(2, 1fr); }
  .country-grid { grid-template-columns: 1fr 1fr; }
  .mfr-quick-grid { grid-template-columns: 1fr; }
  .stat-n { font-size: 22px; }
  .spectrum-canvas { height: 150px !important; }
  .confirm-modal { padding: 24px 18px 20px; }
}

/* Touch-friendly tap targets on coarse pointers */
@media (pointer: coarse) {
  .btn-del, .btn-expand { min-width: 36px; min-height: 36px; padding: 6px 10px; }
  .tab-m, .country-btn, .ep-country, .mfr-pill { min-height: 40px; }
  .freq-item { min-height: 60px; }
}

/* ── Scan import controls ── */
.scan-ctrl {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.scan-info-tag {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(249,115,22,0.12); border: 1px solid rgba(249,115,22,0.30);
  border-radius: 20px; padding: 2px 8px 2px 10px;
  font-size: 11px; color: #fb923c;
}
.scan-clear-btn {
  background: none; border: none; color: #fb923c; cursor: pointer;
  font-size: 14px; line-height: 1; padding: 0 2px; opacity: .7;
  transition: opacity .15s;
}
.scan-clear-btn:hover { opacity: 1; }

/* ── Add-freq preview ── */
.add-freq-preview {
  font-size: 12px; font-weight: 500; padding: 5px 12px;
  border-radius: 6px; margin-top: 4px; transition: opacity .15s;
}
.afp-ok  { background: rgba(34,197,94,0.10);  color: #4ade80; border: 1px solid rgba(34,197,94,0.22);  }
.afp-warn { background: rgba(251,191,36,0.10); color: #fbbf24; border: 1px solid rgba(251,191,36,0.22); }
.afp-err  { background: rgba(248,113,113,0.10); color: #f87171; border: 1px solid rgba(248,113,113,0.22); }

/* ── Clean windows toggle active state ── */
.btn-iconize.active { color: #4ade80; border-color: rgba(34,197,94,0.35); background: rgba(34,197,94,0.08); }

/* ── Preset Library ── */
.preset-library-modal { max-width: 500px; text-align: left; }
.preset-list {
  display: flex; flex-direction: column; gap: 8px;
  max-height: 380px; overflow-y: auto; margin-top: 14px;
  scrollbar-width: thin; scrollbar-color: var(--glass-border) transparent;
}
.preset-empty {
  text-align: center; color: var(--muted); font-size: 13px;
  padding: 28px 0; line-height: 1.7;
}
.preset-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 8px; padding: 12px 14px;
  transition: border-color .15s;
}
.preset-item:hover { border-color: rgba(255,255,255,.18); }
.preset-item-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.preset-name { font-weight: 600; font-size: 13.5px; color: var(--fg); margin-bottom: 3px; }
.preset-meta { font-size: 11px; color: var(--muted); }
.preset-item-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

/* Reduced-motion override */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}