:root {
  --bg-main: #0c1017;
  --bg-card: #161c28;
  --bg-card-hover: #1e2637;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-main: #f0f4f8;
  --text-muted: #8a99ad;
  --accent-blue: #0088ff;
  --accent-cyan: #00f2fe;
  --accent-green: #00e676;
  --accent-red: #ff1744;
  --accent-yellow: #ffb300;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.4;
  min-height: 100vh;
}

/* ─── 🔐 Login Overlay ─── */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-main);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px 28px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  text-align: center;
}

.login-logo {
  font-size: 3rem;
  margin-bottom: 8px;
}

.login-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 14px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 1rem;
}

.login-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #000;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  border: none;
  padding: 14px;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 8px;
  box-shadow: 0 4px 16px rgba(0, 242, 254, 0.3);
}

.login-error {
  color: var(--accent-red);
  background: rgba(255, 23, 68, 0.15);
  border: 1px solid var(--accent-red);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 14px;
}


/* ─── Main App Layout (Desktop Responsive) ─── */
.app-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 18px;
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 12px;
}

.header-brand h1 {
  font-size: 1.3rem;
  font-weight: 700;
}

.nav-tabs {
  display: flex;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 4px;
  gap: 4px;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 9px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.nav-tab.active {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 136, 255, 0.3);
}

.user-badge-container {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 10px;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.logout-btn {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-main);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
}

/* ─── Status Banner ─── */
.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

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

.badge {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-idle {
  background: rgba(138, 153, 173, 0.2);
  color: var(--text-muted);
}

.badge-running {
  background: rgba(0, 230, 118, 0.25);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.badge-estop {
  background: rgba(255, 23, 68, 0.3);
  color: #ff5252;
  border: 1px solid #ff1744;
}

.badge-safetylock {
  background: rgba(255, 179, 0, 0.25);
  color: var(--accent-yellow);
  border: 1px solid var(--accent-yellow);
}

.wd-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* ─── Responsive Dashboard Grid ─── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.dash-col-left {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: space-between;
}

.dash-col-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.map-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 4px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  flex: 1;
  display: flex;
}

#map-container {
  height: 100% !important;
  min-height: 420px;
  border-radius: 12px;
  width: 100%;
}

@media (min-width: 992px) {
  .dashboard-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
  }

  #map-container {
    min-height: 630px !important;
  }

  .controls-card {
    padding: 24px;
  }

  .controls-grid {
    gap: 14px !important;
  }

  .ctrl-btn {
    padding: 12px 20px !important;
    font-size: 1.05rem !important;
  }

  .btn-start-run,
  .btn-stop-run {
    padding: 18px 22px !important;
    font-size: 1.15rem !important;
  }

  .mode-switch-group button {
    padding: 12px 20px !important;
  }
}

/* ─── Metrics Display ─── */
.metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}

.metric-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.metric-big-val {
  font-size: 2.4rem;
  font-weight: 800;
  font-family: var(--font-mono);
  line-height: 1.1;
  margin-bottom: 8px;
}

.red-text {
  color: #ff3366;
}

.speed-slider-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 10px;
}

.speed-slider {
  -webkit-appearance: none;
  width: 100%;
  max-width: 250px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  outline: none;
  transition: background .3s;
}

.speed-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e74c3c;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.speed-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #e74c3c;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

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

/* ─── Control Buttons (Régi Oldal Stílusában) ─── */
.controls-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px;
}

.controls-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ctrl-btn {
  width: 100%;
  padding: 8px 12px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: transform 0.1s ease;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

.ctrl-btn:active {
  transform: scale(0.98);
}

.btn-motor {
  background: linear-gradient(135deg, #00e676, #00b0ff);
  color: #000;
}

.btn-motor.off {
  background: #2a3447;
  color: #8a99ad;
  border: 1px solid var(--border-color);
}

.btn-group-row {
  display: flex;
  gap: 8px;
}

.btn-anlasszer {
  flex: 1;
  background: #34425a;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-start-run {
  background: linear-gradient(135deg, #2e7d32, #4caf50);
  color: #fff;
  font-size: 1.05rem;
}

.btn-stop-run {
  background: linear-gradient(135deg, #c62828, #f44336);
  color: #fff;
  font-size: 1.05rem;
}

.btn-bizt-kapcs {
  background: #2e7d32;
  color: #fff;
}

.btn-bizt-kapcs.athidalva {
  background: #ff8f00;
  color: #000;
}

.btn-estop-main {
  background: linear-gradient(135deg, #d50000, #ff1744);
  color: #fff;
  font-size: 1.2rem;
  border: 2px solid #ff5252;
  box-shadow: 0 0 16px rgba(255, 23, 68, 0.4);
}

/* ─── Sensors & Pumps ─── */
.sensor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.sensor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.sensor-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.dot-green {
  background: #00e676;
  box-shadow: 0 0 8px #00e676;
}

.dot-red {
  background: #ff1744;
  box-shadow: 0 0 8px #ff1744;
}

.pumps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.pump-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
}

.pump-header {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--accent-cyan);
}

.pump-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pump-btn {
  background: linear-gradient(135deg, #2e7d32, #4caf50);
  color: #fff;
  border: none;
  font-weight: 700;
  padding: 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}

.pump-btn.off {
  background: linear-gradient(135deg, #c62828, #f44336);
  color: #fff;
}

.pump-btn-sub {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 4px;
  border-radius: 6px;
  cursor: pointer;
}

/* ─── 🛠️ Tab 3: Detailed Debug Page Layout ─── */
.debug-page-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.debug-page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.debug-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 16px;
}

.card h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}

.telemetry-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.mono-txt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.ard-meta-bar {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  margin-top: 12px;
  margin-bottom: 6px;
}

.relay-grid-12 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 6px;
  margin-bottom: 12px;
}

.inputs-grid-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.last-msg-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 8px;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.custom-cmd-row {
  display: flex;
  gap: 8px;
}

.custom-cmd-row input {
  flex: 1;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
  color: #fff;
  font-family: var(--font-mono);
}

/* Buttons & Buttons Utility */
.btn {
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
}

.btn-secondary {
  background: #34425a;
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ─── Zero-Overflow Mobile Base Rules ─── */
html,
body {
  overflow-x: hidden !important;
  max-width: 100vw;
}

.app-container {
  width: 100%;
  max-width: 100vw;
  box-sizing: border-box;
}

/* ─── Mobile Map Toggle & Responsiveness ─── */
.mobile-map-toggle-wrapper {
  display: none;
  margin-top: 16px;
  width: 100%;
}

.mobile-map-toggle-btn {
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, #1e293b, #334155);
  color: #38bdf8;
  border: 1px solid var(--border-color, #334155);
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.mobile-map-toggle-btn:active {
  transform: scale(0.98);
  background: #0f172a;
}

@media screen and (max-width: 768px) {
  .app-container {
    padding: 10px 10px;
  }

  /* Header & Tabs */
  .top-header {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .header-brand {
    text-align: center;
  }

  .nav-tabs {
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    display: flex;
    justify-content: space-between;
  }

  .nav-tab {
    padding: 8px 8px;
    font-size: 0.8rem;
    flex: 1;
    justify-content: center;
    text-align: center;
  }

  .user-badge-container {
    justify-content: space-between;
    width: 100%;
  }

  /* Status Banner */
  .status-card {
    padding: 10px 12px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .status-left {
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
  }

  #status-message {
    font-size: 0.85rem;
    word-break: break-word;
    white-space: normal;
  }

  /* Metrics Row (Sebesség & Nyomás) */
  .metrics-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .metric-card {
    padding: 10px;
  }

  .metric-big-val {
    font-size: 2rem;
  }

  .speed-presets {
    flex-wrap: wrap;
    gap: 4px;
  }

  .speed-chip {
    flex: 1 1 30%;
    padding: 6px 4px;
    font-size: 0.8rem;
  }

  /* Hide Leaflet map card by default on mobile screens */
  .map-card {
    display: none;
  }

  .map-card.mobile-visible {
    display: block !important;
    margin-bottom: 16px;
  }

  /* Show mobile map toggle button at bottom of mobile page */
  .mobile-map-toggle-wrapper {
    display: block;
  }

  /* Debug Page & Grids */
  .debug-cards-grid {
    grid-template-columns: 1fr;
  }

  .relay-grid-12 {
    grid-template-columns: repeat(auto-fit, minmax(75px, 1fr));
  }

  .telemetry-item {
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 4px;
  }

  .mono-txt {
    word-break: break-all;
  }
}

.checkpoint-tooltip {
  background: rgba(20, 20, 25, 0.85) !important;
  color: #ffab00 !important;
  border: 1px solid #ffab00 !important;
  border-radius: 4px !important;
  font-size: 0.75rem !important;
  font-weight: 700 !important;
  padding: 2px 6px !important;
  box-shadow: 0 2px 6px rgba(0,0,0,0.6) !important;
}