:root {
  /* --- EASY DESIGN CUSTOMIZATION --- */
  --bg-color: #121214;
  --text-color: #ffffff;
  --headline-color: #ff3b30;
  --card-bg: #1c1c1e;
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  
  /* Buzzer Colors */
  --buzzer-red: #e60000;
  --buzzer-red-dark: #990000;
  --buzzer-ring: #333333;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-family);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  box-sizing: border-box;
}

.container {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  max-width: 400px;
  width: 100%;
}

h1 {
  color: var(--headline-color);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.counter-display {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 20px 0 30px 0;
}

/* 3D Emergency Buzzer Button Styling */
.buzzer-wrapper {
  position: relative;
  display: inline-block;
  width: 160px;
  height: 160px;
  background: var(--buzzer-ring);
  border-radius: 50%;
  padding: 15px;
  box-shadow: 0 10px 0 #111, inset 0 5px 10px rgba(255,255,255,0.2);
}

.buzzer-btn {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ff4d4d, var(--buzzer-red));
  box-shadow: 0 15px 0 var(--buzzer-red-dark), 0 15px 20px rgba(0,0,0,0.4);
  cursor: pointer;
  outline: none;
  transition: all 0.1s ease;
  color: white;
  font-weight: bold;
  font-size: 1.1rem;
  text-transform: uppercase;
  user-select: none;
}

.buzzer-btn:active, .buzzer-btn.pressed {
  transform: translateY(12px);
  box-shadow: 0 3px 0 var(--buzzer-red-dark), 0 5px 10px rgba(0,0,0,0.4);
  background: var(--buzzer-red-dark);
  cursor: default;
}

.status-text {
  margin-top: 25px;
  font-weight: 600;
  min-height: 24px;
}