/* Reset & Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Share+Tech+Mono&display=swap');

:root {
  --bg-primary: #080a10;
  --bg-secondary: #0f1322;
  --bg-card: rgba(20, 25, 45, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --color-primary: #00f0ff; /* Neon Cyan */
  --color-secondary: #bd00ff; /* Purple */
  --color-success: #00ff87; /* Neon Green */
  --color-warning: #ffb700; /* Neon Amber */
  --color-danger: #ff0055; /* Neon Red */
  --color-info: #00aaff;
  
  --font-sans: 'Outfit', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  
  --glow-success: 0 0 20px rgba(0, 255, 135, 0.35);
  --glow-primary: 0 0 20px rgba(0, 240, 255, 0.35);
  --glow-danger: 0 0 20px rgba(255, 0, 85, 0.35);
  --glow-warning: 0 0 20px rgba(255, 183, 0, 0.35);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables (Toggled via body class) */
body.light-theme {
  --bg-primary: #f0f4f8;
  --bg-secondary: #e2e8f0;
  --bg-card: rgba(255, 255, 255, 0.75);
  --border-color: rgba(15, 23, 42, 0.08);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --color-primary: #0ea5e9;
  --color-secondary: #a855f7;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  
  --glow-success: 0 4px 15px rgba(16, 185, 129, 0.2);
  --glow-primary: 0 4px 15px rgba(14, 165, 233, 0.2);
  --glow-danger: 0 4px 15px rgba(239, 68, 68, 0.2);
  --glow-warning: 0 4px 15px rgba(245, 158, 11, 0.2);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(20, 25, 60, 0.5) 0px, transparent 50%),
    radial-gradient(at 50% 0%, rgba(15, 10, 45, 0.4) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(25, 15, 55, 0.3) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* App Container Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  padding: 1.5rem;
  gap: 1.5rem;
}

/* Header Section */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-primary);
  color: #fff;
}

.logo-text h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(to right, var(--color-primary), #fff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-icon-only {
  width: 40px;
  height: 40px;
  padding: 0;
  justify-content: center;
  border-radius: 12px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #00aaff);
  color: #000;
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-secondary);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-danger), #ff5500);
  color: white;
  box-shadow: var(--glow-danger);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(255, 0, 85, 0.5);
}

/* Dashboard Grid Layout */
.dashboard-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  flex: 1;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Sidebar Connection Panel */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(16px);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: rgba(10, 12, 22, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

/* MQTT Status Indicator */
.connection-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(10, 12, 22, 0.5);
  border-radius: 10px;
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-danger);
  position: relative;
  transition: var(--transition);
}

.status-dot.connected {
  background-color: var(--color-success);
  box-shadow: var(--glow-success);
}

.status-dot.connecting {
  background-color: var(--color-warning);
  box-shadow: var(--glow-warning);
  animation: pulse-dot 1s infinite alternate;
}

.status-dot.disconnected {
  background-color: var(--color-danger);
  box-shadow: var(--glow-danger);
}

@keyframes pulse-dot {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

.status-text {
  font-size: 0.85rem;
  font-weight: 600;
}

/* System Mode Card (Selector Switch) */
.mode-card {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  padding: 0.75rem 2rem;
  border-radius: 16px;
  margin: 0.75rem 0;
  text-transform: uppercase;
  transition: var(--transition);
  width: 100%;
  justify-content: center;
}

.mode-badge.manual {
  background: rgba(0, 170, 255, 0.15);
  border: 1px solid var(--color-info);
  color: var(--color-info);
  box-shadow: 0 0 15px rgba(0, 170, 255, 0.1);
}

.mode-badge.auto {
  background: rgba(0, 255, 135, 0.15);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  box-shadow: var(--glow-success);
}

.mode-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Main Panel */
.main-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Devices Section */
.devices-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 992px) {
  .devices-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

/* Device Card Styling */
.device-card {
  position: relative;
  overflow: hidden;
}

.device-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.device-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.device-avatar {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.device-card.active .device-avatar {
  background: rgba(0, 255, 135, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.device-card.active.pump-card .device-avatar {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.device-meta h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.device-meta p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.device-status-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  text-transform: uppercase;
}

.device-card.active .device-status-badge {
  background: rgba(0, 255, 135, 0.2);
  color: var(--color-success);
}

/* Device Visual Display */
.device-visual {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  position: relative;
}

/* Pump Visual (Fan/Impeller) */
.pump-fan-container {
  width: 80px;
  height: 80px;
  border: 3px dashed var(--color-danger); /* Red when inactive */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 0 8px rgba(255, 88, 88, 0.1);
}

.device-card.active .pump-fan-container {
  border-color: var(--color-success); /* Green when active */
  box-shadow: 0 0 15px rgba(0, 255, 135, 0.3);
}

.pump-fan {
  width: 50px;
  height: 50px;
  color: var(--color-danger); /* Red when inactive */
  transition: var(--transition);
  transform-origin: center; /* Fix SVG rotation center on Chrome/Edge */
}

.device-card.active .pump-fan {
  color: var(--color-success); /* Green when active */
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Valve Visual (Flow effect) */
.valve-flow-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.valve-icon-wrapper {
  position: relative;
}

.water-flow-line {
  width: 120px;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.water-flow-active {
  width: 0;
  height: 100%;
  background: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
  border-radius: 3px;
  transition: var(--transition);
}

.device-card.active .water-flow-active {
  width: 100%;
  animation: pulse-flow 1s ease-in-out infinite alternate;
}

@keyframes pulse-flow {
  0% { opacity: 0.6; box-shadow: 0 0 3px var(--color-primary); }
  100% { opacity: 1; box-shadow: 0 0 12px var(--color-primary); }
}

/* Water Droplet / Valve Icon Bounce Micro-animation when valve is open */
.device-card.active .valve-flow-container i,
.device-card.active .valve-flow-container svg {
  animation: bounce-droplet 1.2s ease-in-out infinite;
}

@keyframes bounce-droplet {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

/* Valve Grid for 4 Valves */
.valves-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 1200px) {
  .valves-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .valves-grid {
    grid-template-columns: 1fr;
  }
}

.valve-card-mini {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

.valve-badge-mini {
  font-size: 0.8rem;
  font-weight: 700;
}

/* Control Controls Group */
.device-controls {
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
  display: flex;
  justify-content: center;
}

/* Lock/Overlay for AUTO Mode */
.control-lock-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 12, 22, 0.45);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 10;
  border-radius: 20px;
}

.auto-locked .control-lock-overlay {
  opacity: 1;
  pointer-events: auto;
}

.lock-badge {
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

.lock-badge i {
  color: var(--color-warning);
}

/* Sensor Panel Layout */
.sensors-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 992px) {
  .sensors-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.sensor-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  flex-wrap: wrap; /* Prevent element squeezing */
  gap: 0.75rem;
}

.sensor-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sensor-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}

.sensor-details h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.sensor-details p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.sensor-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
}

.sensor-status-indicator.normal {
  background: rgba(0, 255, 135, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(0, 255, 135, 0.2);
}

.sensor-status-indicator.triggered {
  background: rgba(255, 0, 85, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(255, 0, 85, 0.2);
  animation: pulse-border 1.5s infinite alternate;
}

@keyframes pulse-border {
  0% { border-color: rgba(255, 0, 85, 0.2); box-shadow: none; }
  100% { border-color: rgba(255, 0, 85, 0.6); box-shadow: 0 0 10px rgba(255, 0, 85, 0.2); }
}

/* Event Logs / Terminal Panel */
.terminal-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 250px;
  max-height: 400px;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.terminal-controls {
  display: flex;
  gap: 0.5rem;
}

.terminal-body {
  flex: 1;
  background-color: #04060a;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: #a9b7c6;
  overflow-y: auto;
  min-height: 180px;
  box-shadow: inset 0 0 10px rgba(0,0,0,0.8);
}

.terminal-line {
  line-height: 1.5;
  margin-bottom: 0.4rem;
  word-break: break-all;
}

.terminal-time {
  color: var(--text-muted);
  margin-right: 0.5rem;
}

.terminal-tag {
  font-weight: bold;
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  margin-right: 0.5rem;
  font-size: 0.75rem;
}

.tag-info { background: rgba(0, 170, 255, 0.2); color: #80d4ff; }
.tag-pub { background: rgba(0, 255, 135, 0.2); color: #80ffa8; }
.tag-sub { background: rgba(189, 0, 255, 0.2); color: #e080ff; }
.tag-err { background: rgba(255, 0, 85, 0.2); color: #ff80a8; }



/* Footer styling */
footer {
  text-align: center;
  padding: 1.5rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Utilities */
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-info { color: var(--color-info) !important; }
.d-none { display: none !important; }

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.1);
}
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.25);
}

/* Sequence Grid Layout (Responsive) */
.sequence-grid {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 1.5rem;
  align-items: center;
}
.sequence-buttons {
  display: flex;
  gap: 0.5rem;
}
.sequence-step-display {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

@media (max-width: 768px) {
  .sequence-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .sequence-buttons {
    justify-content: center;
  }
  .sequence-step-display {
    justify-content: center;
  }
}

/* Mobile Header Layout */
@media (max-width: 480px) {
  header {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
  }
  .logo-area {
    flex-direction: column;
    gap: 0.5rem;
  }
}