:root {
  --bg-main: #0B0E14;
  --bg-card: #151A23;
  --bg-card-hover: #1C2330;
  --border-color: #263040;
  --primary: #1E88E5;
  --primary-hover: #1976D2;
  --danger: #E53935;
  --success: #00E676;
  --warning: #FFB300;
  --text-main: #F0F4F8;
  --text-muted: #8A99AD;
  --font-main: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
  min-height: 100vh;
  overflow-x: hidden;
}

.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radio-indicator {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 10px var(--success);
  transition: all 0.3s ease;
}

.radio-indicator.tx {
  background-color: var(--danger);
  box-shadow: 0 0 14px var(--danger);
}

.radio-indicator.disconnected {
  background-color: #555;
  box-shadow: none;
}

.brand-text h1 {
  font-size: 1.25rem;
  letter-spacing: 1px;
  font-weight: 700;
}

.brand-text .badge {
  font-size: 0.7rem;
  background: rgba(30, 136, 229, 0.2);
  color: var(--primary);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(30, 136, 229, 0.4);
}

.subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.channel-selector-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.3);
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.channel-selector-wrap label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.channel-selector-wrap select {
  background: transparent;
  color: var(--text-main);
  border: none;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  outline: none;
}

.channel-selector-wrap select option {
  background: var(--bg-card);
  color: var(--text-main);
}

.mode-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(0, 230, 118, 0.15);
  color: var(--success);
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.mode-tag.queue {
  background: rgba(255, 179, 0, 0.15);
  color: var(--warning);
  border-color: rgba(255, 179, 0, 0.3);
}

.server-status {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Grid Layout */
.main-grid {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 16px;
  padding: 16px;
  flex: 1;
  overflow: hidden;
}

@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
}

.hotkey-tip {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 3px 8px;
  border-radius: 4px;
}

.card-header-sm {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.card-header-sm h3 {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Radio Console Side */
.radio-console {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.traffic-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  transition: all 0.3s ease;
}

.traffic-box.active-tx {
  border-color: var(--danger);
  background: rgba(229, 57, 53, 0.08);
}

.traffic-box.active-rx {
  border-color: var(--success);
  background: rgba(0, 230, 118, 0.08);
}

.traffic-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.traffic-state {
  color: var(--success);
}

.traffic-box.active-tx .traffic-state {
  color: var(--danger);
}

.traffic-time {
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.traffic-speaker {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Vúmetro */
.vu-meter-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.vu-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.vu-bar-bg {
  height: 10px;
  background: #0B0E14;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.vu-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00E676 0%, #FFB300 70%, #E53935 100%);
  transition: width 0.08s ease;
}

/* PTT Button */
.ptt-container {
  display: flex;
  justify-content: center;
  padding: 16px 0;
}

.ptt-button {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #2596f5 0%, #1565C0 100%);
  border: 6px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(30, 136, 229, 0.4), inset 0 2px 6px rgba(255, 255, 255, 0.4);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  outline: none;
  transition: all 0.15s ease;
  user-select: none;
}

.ptt-button:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 35px rgba(30, 136, 229, 0.6);
}

.ptt-button:active, .ptt-button.active {
  background: radial-gradient(circle at 35% 35%, #ef5350 0%, #c62828 100%);
  box-shadow: 0 4px 25px rgba(229, 57, 53, 0.7), inset 0 2px 8px rgba(0, 0, 0, 0.5);
  transform: scale(0.97);
}

.ptt-text {
  font-size: 0.95rem;
  font-weight: 700;
  margin-top: 8px;
  letter-spacing: 0.5px;
}

.ptt-subtext {
  font-size: 0.65rem;
  opacity: 0.8;
  margin-top: 4px;
}

/* Broadcast text area */
.broadcast-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toggle-tts {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  cursor: pointer;
}

.broadcast-input-row {
  display: flex;
  gap: 8px;
}

.broadcast-input-row input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  font-family: var(--font-main);
  outline: none;
}

.broadcast-input-row input:focus {
  border-color: var(--primary);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.messages-log {
  max-height: 120px;
  overflow-y: auto;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.message-item {
  background: rgba(255, 255, 255, 0.04);
  padding: 6px 10px;
  border-radius: 4px;
  border-left: 3px solid var(--primary);
}

.message-item .msg-sender {
  font-weight: 700;
  color: var(--primary);
}

.message-item .msg-time {
  float: right;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Fleet & Map Side */
.fleet-map-section {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.map-container {
  height: 55%;
  min-height: 300px;
  width: 100%;
  background: #111;
}

.devices-panel {
  padding: 14px 18px;
  flex: 1;
  overflow-y: auto;
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
}

.devices-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}

.device-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  padding: 10px;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.device-card .dev-alias {
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}

.device-card .dev-serial {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.device-card .dev-status {
  font-size: 0.7rem;
  color: var(--success);
  font-weight: 600;
}

.empty-state {
  color: var(--text-muted);
  font-size: 0.8rem;
  grid-column: 1 / -1;
  padding: 12px 0;
  text-align: center;
}

/* Perfil de Operador y Modal */
.operator-profile-wrap {
  display: flex;
  align-items: center;
}

.btn-operator-profile {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-main);
  transition: all 0.2s ease;
}

.btn-operator-profile:hover {
  background: rgba(30, 136, 229, 0.15);
  border-color: var(--primary);
}

.operator-badge-icon {
  font-size: 1.2rem;
}

.operator-badge-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.operator-badge-station {
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
  letter-spacing: 0.5px;
}

.operator-badge-name {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.operator-gear-icon {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-left: 4px;
}

/* Modal Backdrop & Dialog */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 90%;
  max-width: 480px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  animation: modalFadeIn 0.2s ease;
  overflow: hidden;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: #fff;
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-group input {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.form-tip {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-color);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 600;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}