/* Reset & Fonts */
body {
  font-family: 'Roboto Mono', monospace;
  margin: 0;
  background: #0a0f1a;
  color: #eee;
  scroll-behavior: smooth;
}

h1, h2, h3 {
  margin-bottom: 0.3em;
}
p {
  line-height: 1.5;
  max-width: 900px;
  margin: 0 auto 1.2em auto;
  font-size: 1.1em;
}

/* Buttons */
button {
  background: #e63946;
  border: none;
  color: white;
  padding: 12px 22px;
  font-size: 1.1em;
  font-weight: 700;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.3s ease;
  box-shadow: 0 0 8px #e63946cc;
}
button:hover {
  background: #c62836;
  box-shadow: 0 0 12px #c62836cc;
}

/* Section Styling */
section {
  padding: 50px 20px;
  max-width: 960px;
  margin: auto;
  border-bottom: 1px solid #222;
}

/* Hero Section */
#hero {
  text-align: center;
  background: linear-gradient(135deg, #ff0000b8, #d628286e);
  color: white;
  padding: 100px 20px;
}
#hero h1 {
  font-size: 3.5rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px #ff0000;
}
#hero .tagline {
  font-size: 1.5rem;
  opacity: 0.85;
  margin-bottom: 2rem;
}
#scrollToMonitoring {
  font-size: 1.3rem;
}

/* About Section */
#about {
  font-size: 1.15em;
  color: #bbb;
}

/* Features Section */
#features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  color: #ddd;
}
.features-grid {
  display: contents; /* container for feature cards */
}
.feature-card {
  background: #151f33bb;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 10px #e63946aa;
  text-align: center;
  transition: transform 0.3s ease;
}
.feature-card:hover {
  transform: scale(1.05);
}
.feature-card i {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: #e63946;
}

/* Monitoring Panel */
#monitoring {
  background: #121927cc;
  border-radius: 12px;
  padding-bottom: 10px;
}
.user-form {
  margin-bottom: 30px;
  max-width: 450px;
  margin-left: auto;
  margin-right: auto;
}
.user-form label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 12px 0;
  font-weight: 600;
}
.user-form input, .user-form select {
  padding: 8px 12px;
  border-radius: 6px;
  border: none;
  font-size: 1rem;
  width: 55%;
}
.user-form button {
  width: 100%;
  margin-top: 15px;
}

/* Camera Feed */
.camera-container {
  position: relative;
  margin: 0 auto 30px auto;
  width: 640px;
  height: 360px;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 0 20px #e63946cc;
  background: black;
}
#camera {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
}

/* HUD Digital Display */
.hud-panel {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.6);
  padding: 10px 18px;
  border-radius: 12px;
  font-size: 1.2rem;
  color: limegreen;
  font-weight: 600;
}

/* Face Overlay Color */
#face-overlay {
  position: absolute;
  height: 100%;
  width: 100%;
  border-radius: 16px;
  pointer-events: none;
  opacity: 0.38;
  transition: background-color 0.8s ease;
}

/* Scanning Red Line */
.scan-line {
  position: absolute;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #e63946, transparent);
  animation: scanMove 4s linear infinite;
}
@keyframes scanMove {
  0% { top: 0; }
  100% { top: 100%; }
}

/* Charts Section */
.charts-section {
  max-width: 700px;
  margin: 0 auto 40px auto;
  display: flex;
  gap: 40px;
  justify-content: center;
}
.charts-section canvas {
  width: 320px !important;
  height: 220px !important;
  background: #1e2734;
  border-radius: 14px;
  box-shadow: 0 0 10px #e6394688;
}

/* Alert Area */
.alerts-area {
  max-width: 700px;
  margin: 0 auto 40px auto;
  text-align: center;
  font-weight: 700;
}
#alertMsg {
  font-size: 1.6rem;
  margin-bottom: 10px;
  transition: color 0.5s ease;
}
#alertMsg.risk {
  color: #f44336;
  text-shadow: 0 0 8px #f44336;
}
#alertMsg.warning {
  color: #ffb300;
  text-shadow: 0 0 8px #ffb300;
}
#alertMsg.normal {
  color: #4caf50;
  text-shadow: 0 0 8px #4caf50;
}

#countdownTimer {
  font-size: 2rem;
  font-weight: 900;
  color: #ff3b3b;
  animation: blink 1s infinite alternate;
  margin-bottom: 10px;
}
@keyframes blink {
  0% { opacity: 1; }
  100% { opacity: 0.3; }
}

/* SMS Sending Simulation */
#smsStatus {
  font-size: 1.1rem;
  font-weight: 700;
  color: #55aaff;
  opacity: 0;
  transition: opacity 0.7s ease;
}
.sms-show {
  opacity: 1;
}
.sms-hidden {
  opacity: 0;
}

/* Test Alarm Button */
.test-section {
  max-width: 200px;
  margin: 0 auto 50px auto;
  text-align: center;
}

/* Log Section */
#log-section {
  max-width: 960px;
  margin: 20px auto 60px auto;
  background: #111a27d4;
  border-radius: 12px;
  box-shadow: 0 0 20px #e6394666;
  padding: 20px;
  color: #bbb;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  height: 180px;
  overflow-y: auto;
  white-space: pre-wrap;
  line-height: 1.3;
}

/* Footer */
footer {
  padding: 20px;
  text-align: center;
  color: #555;
  font-size: 0.9rem;
  border-top: 1px solid #222;
  margin-top: 80px;
  body.blink-red {
  animation: blinkBodyRed 0.7s ease-in-out infinite alternate;
}

@keyframes blinkBodyRed {
  0% { background-color: #0a0f1a; }
  100% { background-color: #5e0000; }
}

}