/* =========================
   BASE
========================= */
:root {
  --bg-dark: #0a0a0f;
}

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

body {
  background: var(--bg-dark);
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* =========================
   WINTER GRID BACKGROUND
========================= */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.grid-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,61,90,0.08), transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0,212,170,0.05), transparent 40%),
    radial-gradient(ellipse at 20% 80%, rgba(255,215,0,0.05), transparent 40%);
}

/* =========================
   PARTICLES + SNOW
========================= */
.particles {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

/* Floating particles */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #ffd700;
  border-radius: 50%;
  opacity: 0.3;
  animation: float-particle linear infinite;
}

.particle:nth-child(odd) {
  background: #ff3d5a;
}

.particle:nth-child(3n) {
  background: #00d4aa;
}

@keyframes float-particle {
  0% { transform: translateY(100vh); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-20px); opacity: 0; }
}

/* Snowflakes */
.snowflake {
  position: absolute;
  color: rgba(255,255,255,0.6);
  text-shadow: 0 0 10px rgba(255,255,255,0.3);
  animation: snowfall linear infinite;
}

@keyframes snowfall {
  from { transform: translateY(-20px); }
  to { transform: translateY(100vh); }
}

/* =========================
   PAGE CONTENT
========================= */
.page {
  position: relative;
  z-index: 2;
  min-height: 100vh;
}

/* =========================
   CENTER PANEL
========================= */
.center-box {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.center-box .content {
  width: 100%;
  max-width: 420px;
  padding: 38px 28px;

  background: linear-gradient(
    160deg,
    rgba(10, 25, 40, 0.9),
    rgba(6, 14, 22, 0.95)
  );

  border-radius: 18px;
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 170, 255, 0.22);

  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.65),
    inset 0 0 35px rgba(0, 160, 255, 0.06);

  text-align: center;
  color: #e8f1ff;
}

/* =========================
   OPENING ANIMATION
========================= */
.animate-in {
  animation: panelEnter 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes panelEnter {
  from {
    opacity: 0;
    transform: translateY(25px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* =========================
   SKULL ICON
========================= */
.skull-icon {
  font-size: 3rem;
  margin-bottom: 18px;
  color: #ff3d5a;
  text-shadow: 0 0 14px rgba(255, 61, 90, 0.6);
}

/* =========================
   TEXT STYLES
========================= */
.alert-title {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: #ff3d5a;
  margin-bottom: 14px;
}

.alert-text {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #d4e1ef;
  margin-bottom: 24px;
}

/* Divider */
.divider {
  height: 1px;
  width: 100%;
  background: linear-gradient(
    to right,
    transparent,
    rgba(0, 170, 255, 0.45),
    transparent
  );
  margin-bottom: 18px;
}

/* Footer */
.footer-text {
  font-size: 0.82rem;
  font-weight: 500;
  color: #9fb6cc;
}

.footer-text a {
  color: #4fc3ff;
  text-decoration: none;
}

.footer-text a:hover {
  text-decoration: underline;
}

/* =========================
   DARK BLUE OUTER VIGNETTE
========================= */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;

  background:
    radial-gradient(
      circle at center,
      transparent 35%,
      rgba(5, 20, 40, 0.35) 65%,
      rgba(3, 10, 25, 0.6) 100%
    );
}