:root {
  --bg-dark: #06080c;
  --bg-panel: rgba(16, 20, 30, 0.85);
  --bg-panel-border: rgba(255, 255, 255, 0.08);
  --bg-card: rgba(22, 27, 40, 0.65);
  --bg-button: #181e2d;
  --bg-button-hover: #222a3e;
  
  --accent-green: #00ff88;
  --accent-green-glow: rgba(0, 255, 136, 0.4);
  --accent-amber: #ffb800;
  --accent-red: #ff3050;
  --accent-red-glow: rgba(255, 48, 80, 0.5);
  --accent-blue: #00d4ff;
  --accent-purple: #9d4edd;
  
  --text-primary: #f0f3ff;
  --text-muted: #808b9e;
  --font-main: 'Outfit', -apple-system, sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.app-background {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: 
    radial-gradient(circle at 10% 20%, rgba(157, 78, 221, 0.08), transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(0, 212, 255, 0.08), transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.04), transparent 55%);
  z-index: -1; pointer-events: none;
}

.top-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 2rem; background: rgba(8, 11, 18, 0.88);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--bg-panel-border);
  flex-wrap: wrap; gap: 1rem;
}

.logo-area { display: flex; align-items: center; gap: 1rem; }
.logo-badge.bridge {
  background: linear-gradient(135deg, var(--accent-purple), #5a189a);
  color: #fff; font-weight: 800; font-size: 1.1rem;
  padding: 0.45rem 0.85rem; border-radius: 8px; letter-spacing: 1.5px;
  box-shadow: 0 0 15px rgba(157, 78, 221, 0.4);
}

.title-container h1 { font-size: 1.35rem; font-weight: 700; }
.title-container h1 span { color: var(--accent-blue); }
.title-container .subtitle { font-size: 0.78rem; color: var(--text-muted); }

.connection-bar { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; }

.auth-status-pill {
  padding: 0.5rem 1rem; border-radius: 8px; font-weight: 700; font-size: 0.82rem;
  display: flex; align-items: center; gap: 0.5rem; cursor: pointer;
  transition: all 0.3s;
}
.auth-status-pill.readonly {
  background: rgba(255, 184, 0, 0.15); border: 1px solid var(--accent-amber);
  color: var(--accent-amber);
}
.auth-status-pill.readonly:hover {
  background: rgba(255, 184, 0, 0.28);
}
.auth-status-pill.admin {
  background: rgba(0, 255, 136, 0.15); border: 1px solid var(--accent-green);
  color: var(--accent-green); box-shadow: 0 0 12px var(--accent-green-glow);
}

.bridge-status-pill, .radio-status-pill {
  padding: 0.5rem 1rem; border-radius: 8px; font-weight: 700; font-size: 0.82rem;
  display: flex; align-items: center; gap: 0.5rem;
}

.bridge-status-pill.online {
  background: rgba(0, 255, 136, 0.15); border: 1px solid var(--accent-green);
  color: var(--accent-green); box-shadow: 0 0 12px var(--accent-green-glow);
}
.bridge-status-pill.offline {
  background: rgba(255, 48, 80, 0.15); border: 1px solid var(--accent-red);
  color: var(--accent-red);
}

.radio-status-pill.online {
  background: rgba(0, 212, 255, 0.15); border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
}
.radio-status-pill.offline {
  background: rgba(255, 184, 0, 0.12); border: 1px solid var(--accent-amber);
  color: var(--accent-amber);
}

/* READONLY BANNER */
.readonly-banner {
  background: linear-gradient(90deg, rgba(255, 184, 0, 0.18), rgba(255, 48, 80, 0.18));
  border-bottom: 1px solid rgba(255, 184, 0, 0.35);
  padding: 0.75rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.86rem; color: #fffde3;
  gap: 1rem;
}
.readonly-banner i { color: var(--accent-amber); font-size: 1.1rem; }
.readonly-banner code { background: rgba(0,0,0,0.4); padding: 0.1rem 0.4rem; border-radius: 4px; font-family: var(--font-mono); }
.btn-banner-login {
  background: var(--accent-amber); color: #000; border: none;
  font-weight: 800; font-size: 0.78rem; padding: 0.45rem 1rem;
  border-radius: 6px; cursor: pointer; transition: transform 0.15s;
}
.btn-banner-login:hover { transform: scale(1.04); }

/* TRANSCEIVER GRID */
.transceiver-container {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.5rem;
  padding: 1.5rem 2rem; max-width: 1500px; margin: 0 auto; width: 100%;
}

@media (max-width: 1050px) { .transceiver-container { grid-template-columns: 1fr; } }

.panel {
  background: var(--bg-panel); border: 1px solid var(--bg-panel-border);
  border-radius: 16px; backdrop-filter: blur(16px); padding: 1.5rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.lcd-bezel {
  background: #040706; border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 14px; padding: 1.8rem 1.5rem; position: relative;
  box-shadow: inset 0 0 40px rgba(0, 212, 255, 0.08), 0 0 25px rgba(0, 0, 0, 0.7);
}

.lcd-top-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.2rem; }
.vfo-badge {
  background: rgba(157, 78, 221, 0.18); color: #d0a5ff; border: 1px solid rgba(157, 78, 221, 0.5);
  padding: 0.25rem 0.75rem; border-radius: 6px; font-size: 0.82rem; font-weight: 700;
}

.rx-tx-indicator {
  padding: 0.28rem 1.1rem; border-radius: 6px; font-weight: 800; font-size: 0.85rem; letter-spacing: 1px;
}
.rx-tx-indicator.rx {
  background: rgba(0, 255, 136, 0.15); color: var(--accent-green); border: 1px solid rgba(0, 255, 136, 0.5);
}
.rx-tx-indicator.tx {
  background: rgba(255, 48, 80, 0.2); color: var(--accent-red); border: 1px solid var(--accent-red);
  box-shadow: 0 0 18px var(--accent-red-glow);
}

.mode-display {
  font-size: 1.4rem; font-weight: 800; color: var(--accent-amber); letter-spacing: 2px;
}
.step-badge { font-size: 0.82rem; color: var(--text-muted); font-weight: 600; }

.frequency-wrapper {
  display: flex; align-items: center; justify-content: center; gap: 1.2rem; margin: 1.2rem 0 0.4rem 0;
}

.step-arrow {
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--accent-green); width: 44px; height: 60px; border-radius: 10px; font-size: 1.2rem; cursor: pointer;
}
.step-arrow:hover { background: rgba(0, 255, 136, 0.15); }

.freq-digits {
  font-family: var(--font-mono); font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight: 700;
  color: var(--accent-green); text-shadow: 0 0 10px var(--accent-green-glow);
  letter-spacing: 3px; cursor: pointer; user-select: none;
}

.freq-unit { text-align: right; font-size: 0.9rem; font-weight: 700; color: var(--text-muted); margin-bottom: 1.5rem; padding-right: 2rem; }

.smeter-container {
  background: rgba(18, 24, 32, 0.8); border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px; padding: 1rem;
}
.smeter-header { display: flex; justify-content: space-between; font-size: 0.78rem; font-weight: 700; color: var(--text-muted); margin-bottom: 0.5rem; }
#smeterValueText { color: var(--accent-green); font-family: var(--font-mono); font-size: 0.95rem; }
.smeter-scale { display: flex; justify-content: space-between; font-size: 0.7rem; font-weight: 700; color: var(--text-muted); margin-bottom: 0.4rem; }
.smeter-scale .red { color: var(--accent-red); }

.led-bar { display: grid; grid-template-columns: repeat(15, 1fr); gap: 4px; height: 14px; }
.led-segment { background: rgba(255, 255, 255, 0.08); border-radius: 2px; }
.led-segment.active.green { background: var(--accent-green); box-shadow: 0 0 8px var(--accent-green-glow); }
.led-segment.active.yellow { background: var(--accent-amber); }
.led-segment.active.red { background: var(--accent-red); box-shadow: 0 0 8px var(--accent-red-glow); }

/* VFO & PTT ACTION ROW (TEPAT DI BAWAH LAYAR FREKUENSI LCD) */
.vfo-ptt-action-row {
  display: flex;
  align-items: stretch;
  gap: 0.8rem;
  margin-top: 1.2rem;
  width: 100%;
}
.vfo-toggle-group {
  display: flex;
  gap: 0.35rem;
  background: var(--bg-card);
  border: 1px solid var(--bg-panel-border);
  padding: 0.35rem;
  border-radius: 12px;
  flex: 0 0 170px;
}
.vfo-toggle-group .vfo-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.vfo-toggle-group .vfo-btn:hover { color: var(--text-primary); }
.vfo-toggle-group .vfo-btn.active {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff;
  box-shadow: 0 2px 10px rgba(110, 86, 207, 0.4);
}
.ptt-bar-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #1f2536, #161b28);
  border: 2px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.25s;
  padding: 0.65rem 1rem;
}
.ptt-bar-btn:hover {
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-1px);
}
.ptt-bar-btn.transmitting {
  background: linear-gradient(180deg, #b80d2c, #85061c);
  border-color: var(--accent-red);
  box-shadow: 0 0 30px var(--accent-red-glow);
}
.ptt-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.ptt-bar-inner i {
  font-size: 1.4rem;
  color: var(--accent-green);
  transition: all 0.2s;
}
.ptt-bar-btn.transmitting .ptt-bar-inner i { color: #fff; }
.ptt-bar-inner .ptt-title {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}
.ptt-bar-inner small {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}
.ptt-bar-btn.transmitting .ptt-bar-inner small { color: rgba(255, 255, 255, 0.9); }

.direct-freq-bar { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.input-with-icon { flex: 1; position: relative; }
.input-with-icon i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.input-with-icon input {
  width: 100%; background: var(--bg-card); border: 1px solid var(--bg-panel-border);
  border-radius: 10px; padding: 0.75rem 3.4rem 0.75rem 2.5rem; color: var(--text-primary);
  font-family: var(--font-main); font-size: 0.95rem; outline: none;
}
.input-unit-badge {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--accent-cyan); font-weight: 800; font-size: 0.85rem; pointer-events: none;
}
.btn-primary {
  background: var(--bg-button); border: 1px solid var(--bg-panel-border); color: #fff;
  padding: 0 1.4rem; border-radius: 10px; font-weight: 700; cursor: pointer;
}
/* AUDIO STREAM CARD */
.audio-stream-card {
  margin-top: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--bg-panel-border);
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.audio-stream-info {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.audio-stream-info i {
  font-size: 1.5rem;
  color: var(--accent-cyan);
}
.audio-stream-info h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.audio-stream-info span {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.btn-audio-toggle {
  background: var(--bg-button);
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}
.btn-audio-toggle:hover {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}
.btn-audio-toggle.active {
  background: #00ff88;
  border-color: #00ff88;
  color: #000;
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.5);
}

.controls-section { display: flex; flex-direction: column; gap: 1.3rem; }
.control-box {
  background: var(--bg-card); border: 1px solid var(--bg-panel-border); border-radius: 12px; padding: 1rem 1.2rem;
}
.control-box h3 { font-size: 0.78rem; font-weight: 700; color: var(--text-muted); margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.5rem; }

.mode-grid, .band-grid, .step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.mode-btn, .band-btn, .step-btn, .vfo-btn {
  background: var(--bg-button); border: 1px solid var(--bg-panel-border); color: var(--text-primary);
  padding: 0.65rem 0.5rem; border-radius: 8px; font-weight: 700; font-size: 0.85rem; cursor: pointer;
}
.mode-btn:hover, .band-btn:hover, .step-btn:hover, .vfo-btn:hover { background: var(--bg-button-hover); }
.mode-btn.active { background: var(--accent-amber); color: #000; }
.band-btn.active { background: var(--accent-blue); color: #000; }
.step-btn.active { background: var(--accent-green); color: #000; }

.bottom-controls { display: flex; flex-direction: column; gap: 1rem; }
.vfo-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.vfo-btn.active { background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue)); color: #fff; }

.ptt-section { padding: 0 2rem; max-width: 1500px; margin: 0 auto 1.5rem auto; width: 100%; }
.ptt-button {
  width: 100%; padding: 1.4rem; background: linear-gradient(180deg, #1f2536, #161b28);
  border: 2px solid rgba(255, 255, 255, 0.1); border-radius: 16px; color: var(--text-primary);
  cursor: pointer; transition: all 0.25s;
}
.ptt-button.transmitting {
  background: linear-gradient(180deg, #b80d2c, #85061c); border-color: var(--accent-red);
  box-shadow: 0 0 35px var(--accent-red-glow);
}
.ptt-inner { display: flex; align-items: center; justify-content: center; gap: 1rem; }
.ptt-inner i { font-size: 1.8rem; color: var(--accent-green); }
.ptt-button.transmitting .ptt-inner i { color: #fff; }

/* TELEMETRY LOGS */
.telemetry-section { max-width: 1500px; margin: 0 auto 2.5rem auto; padding: 0 2rem; width: 100%; }
.log-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.7rem; }
.log-header h2 { font-size: 0.88rem; font-weight: 700; color: var(--text-muted); }
.btn-subtle { background: transparent; border: 1px solid var(--bg-panel-border); color: var(--text-muted); padding: 0.35rem 0.8rem; border-radius: 6px; cursor: pointer; }
.log-console {
  background: #090c12; border: 1px solid var(--bg-panel-border); border-radius: 12px;
  height: 180px; overflow-y: auto; padding: 1rem; font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.5;
  display: flex; flex-direction: column; gap: 4px;
}
.log-entry { display: flex; gap: 0.6rem; }
.log-entry .time { color: var(--text-muted); }
.log-entry.info { color: #cfd8ea; }
.log-entry.success { color: var(--accent-green); }
.log-entry.warn { color: var(--accent-amber); }
.log-entry.error { color: var(--accent-red); font-weight: 700; }

/* MODAL OVERLAY */
.modal-overlay {
  position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(4, 7, 12, 0.82); backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.active { opacity: 1; pointer-events: all; }

.login-card {
  background: #0e131f; border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px; padding: 2.2rem; width: 90%; max-width: 440px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  transform: translateY(20px); transition: transform 0.3s ease;
}
.modal-overlay.active .login-card { transform: translateY(0); }

.login-header { text-align: center; margin-bottom: 1.8rem; }
.login-header i { font-size: 2.8rem; color: var(--accent-blue); margin-bottom: 0.8rem; }
.login-header h2 { font-size: 1.5rem; font-weight: 700; }
.login-header p { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.4rem; }

.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--text-muted); margin-bottom: 0.5rem; }
.form-group input {
  width: 100%; background: #161c2c; border: 1px solid var(--bg-panel-border);
  border-radius: 10px; padding: 0.85rem 1rem; color: #fff;
  font-family: var(--font-main); font-size: 0.95rem; outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--accent-blue); }

.error-msg {
  color: var(--accent-red); font-size: 0.84rem; font-weight: 600;
  min-height: 1.2rem; margin-bottom: 1rem; text-align: center;
}

.modal-actions { display: flex; flex-direction: column; gap: 0.8rem; }
.btn-login-submit {
  width: 100%; padding: 0.9rem; background: linear-gradient(135deg, var(--accent-blue), #0077ff);
  border: none; border-radius: 10px; color: #000; font-weight: 800; font-size: 0.95rem;
  cursor: pointer; transition: transform 0.15s;
}
.btn-login-submit:hover { transform: translateY(-2px); }
.btn-login-skip {
  width: 100%; padding: 0.75rem; background: transparent;
  border: 1px solid var(--bg-panel-border); border-radius: 10px;
  color: var(--text-muted); font-weight: 700; font-size: 0.82rem;
  cursor: pointer;
}
.btn-login-skip:hover { background: rgba(255,255,255,0.05); color: #fff; }

/* READONLY VISUAL STATE */
.control-el.readonly-disabled {
  opacity: 0.5;
  cursor: not-allowed !important;
}

/* TOAST */
.toast-container {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 2000;
  display: flex; flex-direction: column; gap: 0.8rem;
  max-width: 90vw;
}
.toast {
  background: #141b2b; border: 1px solid var(--accent-amber);
  color: #fff; padding: 1rem 1.4rem; border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  display: flex; align-items: center; gap: 0.8rem;
  font-size: 0.88rem; animation: slideInToast 0.3s ease;
}
@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─────────────────────────────────────────────────────────────────────────────
   RESPONSIVE DESIGN KHUSUS HP & LAYAR KECIL (MOBILE FIX)
   ───────────────────────────────────────────────────────────────────────────── */
html, body {
  max-width: 100%;
  overflow-x: hidden !important;
}

@media (max-width: 768px) {
  .top-nav {
    padding: 0.8rem 1rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
  }

  .logo-area {
    justify-content: flex-start;
  }

  .connection-bar {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .auth-status-pill,
  .bridge-status-pill,
  .radio-status-pill {
    width: 100%;
    justify-content: center;
    padding: 0.55rem 0.6rem;
    font-size: 0.78rem;
  }

  .readonly-banner {
    padding: 0.85rem 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.8rem;
  }

  .btn-banner-login {
    width: 100%;
    padding: 0.65rem 1rem;
  }

  .transceiver-container {
    padding: 1rem 0.75rem;
    gap: 1rem;
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
  }

  .panel {
    padding: 1rem 0.85rem;
    border-radius: 14px;
    width: 100%;
  }

  .lcd-bezel {
    padding: 1.2rem 0.75rem;
  }

  .lcd-top-bar {
    gap: 0.4rem;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .vfo-badge,
  .rx-tx-indicator {
    padding: 0.2rem 0.55rem;
    font-size: 0.75rem;
  }

  .mode-display {
    font-size: 1.15rem;
  }

  .frequency-wrapper {
    gap: 0.4rem;
    margin: 1rem 0 0.3rem 0;
    justify-content: space-between;
  }

  .step-arrow {
    width: 36px;
    height: 48px;
    font-size: 1rem;
    flex-shrink: 0;
  }

  .freq-digits {
    font-size: clamp(1.65rem, 7.8vw, 2.5rem);
    letter-spacing: 1px;
  }

  .freq-unit {
    padding-right: 0.5rem;
    margin-bottom: 1rem;
  }

  .smeter-container {
    padding: 0.75rem 0.6rem;
  }

  .smeter-header,
  .smeter-scale {
    font-size: 0.68rem;
  }

  .vfo-ptt-action-row {
    flex-direction: column;
    gap: 0.6rem;
  }
  .vfo-toggle-group {
    flex: auto;
    width: 100%;
  }
  .ptt-bar-btn {
    width: 100%;
    padding: 0.9rem 0.6rem;
  }

  .direct-freq-bar {
    flex-direction: column;
    gap: 0.6rem;
  }

  .btn-primary {
    width: 100%;
    padding: 0.8rem;
  }

  .controls-section {
    gap: 1rem;
  }

  .control-box {
    padding: 0.85rem;
  }

  .mode-grid,
  .band-grid,
  .step-grid {
    gap: 0.45rem;
  }

  .mode-btn,
  .band-btn,
  .step-btn,
  .vfo-btn {
    padding: 0.65rem 0.3rem;
    font-size: 0.78rem;
  }

  .ptt-section {
    padding: 0 0.75rem;
    margin-bottom: 1.2rem;
  }

  .ptt-button {
    padding: 1.1rem 0.8rem;
  }

  .ptt-inner {
    flex-direction: column;
    gap: 0.4rem;
    text-align: center;
  }

  .telemetry-section {
    padding: 0 0.75rem;
    margin-bottom: 2rem;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

@media (max-width: 380px) {
  .freq-digits {
    font-size: 1.45rem;
    letter-spacing: 0px;
  }

  .step-arrow {
    width: 32px;
    height: 42px;
  }

  .mode-grid,
  .band-grid,
  .step-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* REMOTE RIG CONFIGURATION CARD */
.radio-config-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-panel-border);
  border-radius: 12px;
  padding: 1.1rem;
  margin-bottom: 1.2rem;
}
.config-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.config-card-header-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.btn-minmax {
  background: #131d16;
  border: 1px solid var(--bg-panel-border);
  color: var(--text-muted);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-minmax:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.radio-config-body {
  margin-top: 0.9rem;
  transition: all 0.25s ease;
}
.radio-config-body.collapsed {
  display: none;
  margin-top: 0;
}
.badge-status {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.22rem 0.65rem;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.badge-status.connected {
  background: rgba(16, 185, 129, 0.2);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.badge-status.offline {
  background: rgba(239, 68, 68, 0.2);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}
.radio-params-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.param-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.param-item label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 700;
}
.select-remote, .input-remote {
  background: #0D1410;
  border: 1px solid var(--bg-panel-border);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  font-family: var(--font-main);
  font-size: 0.82rem;
  outline: none;
  width: 100%;
}
.select-remote:focus, .input-remote:focus {
  border-color: var(--accent-cyan);
}
.radio-config-actions {
  display: flex;
  gap: 0.6rem;
}
.btn-secondary {
  flex: 1;
  background: #1e293b;
  border: 1px solid #334155;
  color: #e2e8f0;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover {
  background: #334155;
}
.btn-conn {
  flex: 1;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10B981;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-conn.disconnect {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #EF4444;
}
@media (max-width: 600px) {
  .radio-params-grid {
    grid-template-columns: 1fr;
  }
}