* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #050910;
  color: #dde7f0;
  font-family: Arial, sans-serif;
  overflow-x: hidden;
  overflow-y: auto;
}

.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(0, 200, 255, 0.18), transparent 36%),
    linear-gradient(135deg, #02040a, #061421, #02040a);
  z-index: 0;
}

.bg::before {
  content: "";
  position: absolute;
  inset: -50%;
  background-image:
    linear-gradient(rgba(0, 220, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 220, 255, 0.07) 1px, transparent 1px);
  background-size: 38px 38px;
  animation: moveGrid 16s linear infinite;
}

@keyframes moveGrid {
  from { transform: translateY(0); }
  to { transform: translateY(38px); }
}

.hidden {
  display: none !important;
}

.screen {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* ЛОГО НА ЭКРАНЕ ЗАГРУЗКИ */
.logo-big {
  width: min(74vw, 310px);
  height: auto;
  filter:
    drop-shadow(0 0 12px rgba(0, 220, 255, 0.45))
    drop-shadow(0 0 32px rgba(0, 140, 255, 0.28));
  animation: logoPulse 2.4s infinite ease-in-out;
}

/* ЛОГО НА ГЛАВНОЙ ПАНЕЛИ */
.logo {
  width: min(76vw, 285px);
  height: auto;
  filter:
    drop-shadow(0 0 10px rgba(0, 220, 255, 0.42))
    drop-shadow(0 0 28px rgba(0, 140, 255, 0.22));
  animation: logoPulse 2.8s infinite ease-in-out;
}

@keyframes logoPulse {
  0%, 100% {
    transform: scale(1);
    filter:
      drop-shadow(0 0 8px rgba(0, 220, 255, 0.35))
      drop-shadow(0 0 22px rgba(0, 140, 255, 0.18));
  }
  50% {
    transform: scale(1.025);
    filter:
      drop-shadow(0 0 18px rgba(0, 220, 255, 0.75))
      drop-shadow(0 0 42px rgba(0, 140, 255, 0.38));
  }
}

.screen h1 {
  margin: 20px 0 6px;
  font-size: 28px;
  letter-spacing: 5px;
  color: #f2f7fb;
}

.screen p {
  margin: 0;
  color: #7eeaff;
  letter-spacing: 3px;
  font-size: 13px;
}

.bar {
  width: min(78vw, 390px);
  height: 10px;
  margin-top: 22px;
  border: 1px solid rgba(0, 220, 255, 0.55);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0, 20, 35, 0.8);
}

.fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #0bdcff, #35ffae);
  animation: loadFill 1.8s ease forwards;
}

@keyframes loadFill {
  from { width: 0%; }
  to { width: 100%; }
}

.screen span {
  margin-top: 12px;
  color: #8aa8b8;
  font-size: 12px;
  letter-spacing: 2px;
}

.access-box {
  padding: 26px 34px;
  border: 1px solid rgba(53, 255, 174, 0.55);
  border-radius: 18px;
  background: rgba(5, 20, 18, 0.78);
  box-shadow: 0 0 45px rgba(53, 255, 174, 0.18);
}

.access-box h2 {
  margin: 0;
  color: #35ffae;
  font-size: 25px;
  letter-spacing: 3px;
}

.access-box p {
  margin-top: 10px;
  color: #a8f5ff;
}

.panel {
  position: relative;
  z-index: 2;
  width: min(92vw, 430px);
  margin: 22px auto;
  padding: 22px;
  border: 1px solid rgba(0, 220, 255, 0.35);
  border-radius: 24px;
  background: rgba(5, 12, 24, 0.86);
  box-shadow:
    0 0 35px rgba(0, 200, 255, 0.22),
    inset 0 0 28px rgba(0, 200, 255, 0.04);
  text-align: center;
}

.panel h1 {
  margin: 16px 0 4px;
  letter-spacing: 4px;
  font-size: 25px;
  color: #f2f7fb;
}

.subtitle {
  margin: 0 0 15px;
  color: #7eeaff;
  letter-spacing: 2px;
  font-size: 12px;
}

.status {
  display: inline-block;
  margin-bottom: 20px;
  padding: 8px 16px;
  border: 1px solid rgba(0, 255, 170, 0.5);
  border-radius: 999px;
  color: #35ffae;
  font-size: 13px;
  font-weight: 700;
}

button {
  width: 100%;
  margin-bottom: 12px;
  padding: 16px;
  border: 1px solid rgba(0, 220, 255, 0.48);
  border-radius: 16px;
  background: rgba(0, 80, 120, 0.16);
  color: #dde7f0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 2px;
  cursor: pointer;
  box-shadow:
    inset 0 0 18px rgba(0, 220, 255, 0.08),
    0 0 10px rgba(0, 220, 255, 0.08);
  transition: 0.2s;
}

button:active {
  transform: scale(0.97);
  color: #ffffff;
  background: rgba(0, 220, 255, 0.24);
  box-shadow: 0 0 24px rgba(0, 220, 255, 0.42);
}

.footer {
  margin-top: 10px;
  color: #9ab3c5;
  font-size: 13px;
}