/**
 * assets/css/style.css — LOKIAETHER TACTICAL ENGINE
 * Optimized for High-Glare Environments & Field Data Entry
 */

:root {
  /* Dynamic Switch Points */
  --primary-brand: #1f1f1f;   /* Deep Slate */
  --accent-action: #ffcc00;   /* Caution Amber */
  --bg-field: #f4f4f2;        /* Utility Grey */
  --text-bold: #111111;
  --error-signal: #b22222;    /* Field Red */
  
  /* Structural Constants */
  --radius-tactical: 4px;     /* Sharp, disciplined corners */
  --border-weight: 2px;       /* Bold outlines for readability */
}

* { 
  box-sizing: border-box; 
  -webkit-tap-highlight-color: transparent;
  font-family: 'Roboto Mono', 'Courier New', monospace; /* Monospace for data integrity */
}

body {
  background-color: var(--bg-field);
  color: var(--text-bold);
  overscroll-behavior: none;
  line-height: 1.4;
}

/* ---- THE TACTICAL CONTAINER ---- */
.auth-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border: var(--border-weight) solid var(--primary-brand);
}

/* ---- BOLD FIELD HEADERS ---- */
h1 {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 900;
  border-bottom: var(--border-weight) solid var(--primary-brand);
  margin-bottom: 20px;
}

/* ---- VIBRATION / FEEDBACK BUTTONS ---- */
.calc-btn {
  height: 80px; /* Oversized for gloved/moving hands */
  background: var(--primary-brand);
  color: white;
  border: none;
  border-radius: var(--radius-tactical);
  font-size: 24px;
  font-weight: bold;
  transition: transform 0.05s; /* Immediate visual feedback */
}

.calc-btn:active {
  transform: scale(0.95);
  background: var(--accent-action);
  color: var(--primary-brand);
}

/* ---- STATUS SIGNALS ---- */
.auth-status {
  background: white;
  border: var(--border-weight) solid var(--primary-brand);
  padding: 15px;
  font-weight: bold;
  width: 100%;
  text-align: center;
}