/* ============================================================================
   Airspace — Layout: Top Bar, Main Grid, Status Bar
   ============================================================================ */

/* --- Buttons (shared) ----------------------------------------------------- */
.sp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--sp-border);
  border-radius: var(--sp-radius);
  font-size: 12px;
  font-family: var(--sp-font);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}
.sp-btn-primary {
  background: rgba(255, 140, 30, 0.14);
  color: #ffc080;
  border-color: rgba(255, 140, 30, 0.45);
}
.sp-btn-primary:hover {
  background: rgba(255, 140, 30, 0.22);
  box-shadow: 0 0 20px rgba(255, 140, 30, 0.15);
}
.sp-btn-secondary {
  background: rgba(0, 212, 255, 0.1);
  color: #b0e8ff;
  border-color: rgba(0, 212, 255, 0.3);
}
.sp-btn-secondary:hover {
  background: rgba(0, 212, 255, 0.18);
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.1);
}
.sp-btn-icon {
  background: none;
  border: none;
  color: var(--sp-text-dim);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--sp-radius);
  transition: color 0.2s;
}
.sp-btn-icon:hover { color: var(--sp-cyan); }
.sp-btn:active:not(:disabled) { transform: scale(0.97); }
.sp-btn-sm { font-size: 11px; padding: 4px 10px; }
.sp-btn-ghost { background: transparent; border: 1px solid var(--sp-border); color: var(--sp-text-dim); }
.sp-btn-ghost:hover { border-color: var(--sp-cyan); color: var(--sp-text); }

/* --- App Shell ------------------------------------------------------------ */
.sp-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.sp-app::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background: var(--portal-backdrop-image) var(--portal-app-backdrop-position) / var(--portal-app-backdrop-size) no-repeat;
  opacity: var(--portal-app-backdrop-opacity);
  filter: var(--portal-backdrop-filter);
  transform: scale(1.04);
  transform-origin: center center;
}

/* --- Top Bar -------------------------------------------------------------- */
.sp-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 44px;
  min-height: 44px;
  flex-shrink: 0;
  background: var(--sp-panel);
  border-bottom: 1px solid var(--sp-border);
  z-index: 600;
  box-shadow: var(--sp-glow);
}
.sp-topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sp-topbar-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--sp-cyan);
  text-shadow: 0 0 16px rgba(0, 212, 255, 0.3);
}
.sp-topbar-center {
  display: flex;
  align-items: center;
  gap: 16px;
}
.sp-topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sp-topbar-clock {
  font-family: var(--sp-mono);
  font-size: 13px;
  color: var(--sp-cyan);
  letter-spacing: 1px;
}

/* WebSocket Status Indicator */
.sp-ws-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sp-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--sp-text-dim);
}
.sp-ws-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.sp-ws-connected { background: var(--sp-green); box-shadow: 0 0 8px rgba(0, 255, 136, 0.5); }
.sp-ws-connecting { background: var(--sp-amber); animation: pulse 1s infinite; }
.sp-ws-disconnected { background: var(--sp-red); }

.sp-drone-count {
  font-family: var(--sp-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--sp-cyan);
  background: rgba(0, 212, 255, 0.08);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid rgba(0, 212, 255, 0.15);
}

/* --- Location Search ------------------------------------------------------ */
.sp-location-search {
  position: relative;
  display: flex;
  align-items: center;
}
.sp-location-search-icon {
  position: absolute;
  left: 8px;
  color: var(--sp-text-dim);
  pointer-events: none;
  z-index: 1;
}
.sp-location-search-input {
  font-family: var(--sp-mono);
  font-size: 11px;
  letter-spacing: 0.5px;
  color: var(--sp-cyan);
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 10px;
  padding: 3px 10px 3px 26px;
  width: 200px;
  outline: none;
  transition: border-color 0.2s, width 0.2s;
}
.sp-location-search-input::placeholder {
  color: var(--sp-text-dim);
  opacity: 0.6;
}
.sp-location-search-input:focus {
  border-color: rgba(0, 212, 255, 0.4);
  width: 280px;
}
.sp-location-search-results {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--sp-panel);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  max-height: 240px;
  overflow-y: auto;
  min-width: 280px;
}
.sp-location-search-results.show { display: block; }
.sp-location-result {
  padding: 8px 12px;
  font-family: var(--sp-mono);
  font-size: 11px;
  color: var(--sp-text);
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.sp-location-result:last-child { border-bottom: none; }
.sp-location-result:hover { background: rgba(0, 212, 255, 0.1); }
.sp-location-result-icon {
  color: var(--sp-cyan);
  flex-shrink: 0;
  margin-top: 1px;
}
.sp-location-result-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.sp-location-result-main { color: var(--sp-text); }
.sp-location-result-secondary { color: var(--sp-text-dim); font-size: 10px; }

/* --- Topbar overflow menu ------------------------------------------------- */
.sp-overflow {
  position: relative;
  display: inline-flex;
}
.sp-overflow-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 200px;
  background: var(--sp-panel);
  border: 1px solid var(--sp-border);
  border-radius: 4px;
  padding: 4px 0;
  z-index: 9000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.sp-overflow-menu.show {
  display: block;
}
.sp-overflow-menu button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: transparent;
  border: none;
  color: var(--sp-text);
  font-family: var(--sp-font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.sp-overflow-menu button:hover {
  background: rgba(0, 212, 255, 0.08);
  color: var(--sp-cyan);
}
.sp-overflow-menu button svg {
  flex-shrink: 0;
  color: var(--sp-text-dim);
}
.sp-overflow-menu button:hover svg {
  color: var(--sp-cyan);
}

/* --- Portal Switcher ------------------------------------------------------ */
.sp-portal-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--sp-panel);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  padding: 6px 0;
  min-width: 180px;
  z-index: 9000;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.sp-portal-menu.show { display: block; }
.sp-portal-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  color: var(--sp-text);
  text-decoration: none;
  font-size: 13px;
  transition: background 0.15s;
}
.sp-portal-menu a:hover {
  background: rgba(0, 212, 255, 0.1);
  color: var(--sp-cyan);
}

/* --- Main Layout ---------------------------------------------------------- */
.sp-main {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* --- Status Bar ----------------------------------------------------------- */
.sp-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 28px;
  min-height: 28px;
  flex-shrink: 0;
  background: var(--sp-panel);
  border-top: 1px solid var(--sp-border);
  font-family: var(--sp-mono);
  font-size: 11px;
  color: var(--sp-text-dim);
}
.sp-statusbar-left,
.sp-statusbar-center,
.sp-statusbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sp-statusbar-sep { color: rgba(0, 212, 255, 0.2); }
.sp-ws-status-mini {
  display: flex;
  align-items: center;
  gap: 4px;
}
.sp-ticker-label {
  font-weight: 700;
  color: var(--sp-cyan);
  letter-spacing: 1px;
}
.sp-ticker-text { color: var(--sp-text-dim); }

/* --- Oracle Radio PTT (topbar) ------------------------------------------- */
.sp-radio {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: 6px;
  padding-left: 10px;
  border-left: 1px solid rgba(0, 212, 255, 0.15);
}
.sp-radio-channel-wrap {
  display: flex;
  align-items: center;
  position: relative;
}
.sp-radio-mic-icon {
  position: absolute;
  left: 8px;
  z-index: 1;
  pointer-events: none;
  color: var(--sp-cyan);
}
.sp-radio-channel {
  appearance: none;
  border: 1px solid rgba(0, 212, 255, 0.25);
  background: rgba(0, 212, 255, 0.06);
  color: var(--sp-cyan);
  border-radius: var(--sp-radius);
  padding: 4px 20px 4px 26px;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--sp-mono);
  letter-spacing: 1px;
  cursor: pointer;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg width='6' height='4' viewBox='0 0 6 4' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l3 4 3-4' fill='%2300d4ff'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 5px center;
}
.sp-radio-channel:focus {
  border-color: var(--sp-cyan);
  box-shadow: var(--sp-glow-sm);
}
.sp-radio-channel option {
  background: var(--sp-panel);
  color: var(--sp-text);
}
.sp-radio-ptt {
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 800;
  font-family: var(--sp-mono);
  letter-spacing: 1px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--sp-text-dim);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--sp-radius);
  cursor: pointer;
  transition: all 0.1s;
  user-select: none;
}
.sp-radio-ptt:active, .sp-radio-ptt.dc-radio-tx {
  background: var(--sp-red);
  color: #fff;
  border-color: var(--sp-red);
  box-shadow: 0 0 12px rgba(255, 51, 68, 0.5);
}
.sp-radio-ptt.dc-radio-rx {
  background: var(--sp-green);
  color: #000;
  border-color: var(--sp-green);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.5);
}
.sp-radio-status {
  font-size: 11px;
  font-weight: 700;
  font-family: var(--sp-mono);
  color: var(--sp-text-dim);
  letter-spacing: 1px;
  min-width: 28px;
}
.sp-radio-conn-status {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  font-family: var(--sp-mono);
  letter-spacing: 0.5px;
  color: var(--sp-text-dim);
}
.sp-checkbox-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  max-height: 120px;
  overflow-y: auto;
  padding: 6px 0;
}
@media (max-width: 900px) {
  .sp-radio { display: none; }
}