/* ============ ЭКРАН АВТОРИЗАЦИИ ============ */
#authScreen {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 20px;
}

#authScreen::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top left, rgba(0, 200, 212, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

#authScreen.hidden { display: none; }

.auth-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
  max-height: 95vh;
  overflow-y: auto;
}

.auth-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.umbrella {
  width: 56px;
  height: 56px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.umbrella::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 26px solid transparent;
  border-right: 26px solid transparent;
  border-bottom: 44px solid var(--cyan);
  position: absolute;
  filter: drop-shadow(0 0 12px var(--cyan-glow));
}

.umbrella::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 14px solid transparent;
  border-right: 14px solid transparent;
  border-bottom: 24px solid var(--bg);
  position: absolute;
  bottom: 6px;
  transform: translateY(-6px);
}

.auth-title {
  text-align: center;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.auth-title span { color: var(--cyan); }

.auth-sub {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.auth-box label {
  display: block;
  color: var(--text-2);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.auth-box input[type="text"],
.auth-box input[type="password"] {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  font-family: inherit;
  font-size: 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: all 0.15s;
}

.auth-box input[type="text"]:focus,
.auth-box input[type="password"]:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-glow);
  background: var(--bg);
}

.auth-box input[type="text"]::placeholder,
.auth-box input[type="password"]::placeholder {
  color: var(--muted);
}

.auth-hint {
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 16px;
}

.auth-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  color: var(--red);
  padding: 10px 14px;
  font-size: 12.5px;
  margin-bottom: 16px;
  display: none;
}

.auth-error.show { display: block; }

.auth-btn {
  width: 100%;
  background: var(--cyan);
  color: #001417;
  border: none;
  padding: 14px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.15s;
  margin-top: 8px;
}

.auth-btn:hover {
  background: #00e0ee;
  box-shadow: 0 0 20px var(--cyan-glow);
  transform: translateY(-1px);
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.auth-default {
  text-align: center;
  color: var(--muted);
  font-size: 11.5px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.auth-default b { color: var(--cyan); font-weight: 600; }

.auth-footer {
  text-align: center;
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 1px;
  margin-top: 24px;
}

/* ============ РАДИО ВЫБОР ТИПА РЕГИСТРАЦИИ ============ */
.auth-box input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 0;
  padding: 0;
  accent-color: var(--cyan);
  border: none;
  background: none;
  flex-shrink: 0;
  cursor: pointer;
}

.auth-box input[type="radio"]:focus {
  outline: none;
  box-shadow: none;
}

.auth-box label:has(input[type="radio"]) {
  margin-bottom: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.auth-box label:has(input[type="radio"]):hover {
  border-color: var(--cyan) !important;
  background: rgba(0, 200, 212, 0.08) !important;
}

.auth-box label:has(input[type="radio"]:checked) {
  border-color: var(--cyan) !important;
  background: rgba(0, 200, 212, 0.15) !important;
}

/* ============ РАДУЖНЫЙ БЕЙДЖ (для кнопки Союзник) ============ */
.role-badge-rainbow {
  background: linear-gradient(90deg, #ff0000, #ff7f00, #ffff00, #00ff00, #00c8d4, #0000ff, #4b0082, #9400d3);
  background-size: 300% 100%;
  color: #fff;
  padding: 3px 12px;
  border-radius: 4px;
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  animation: rainbowShift 4s linear infinite;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.3);
  border: none;
  display: inline-block;
}

@keyframes rainbowShift {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/* ============ АДАПТИВ ============ */
@media (max-width: 640px) {
  .auth-box {
    padding: 26px 20px;
  }
  .umbrella {
    width: 42px;
    height: 42px;
  }
  .umbrella::before {
    border-left-width: 20px;
    border-right-width: 20px;
    border-bottom-width: 34px;
  }
  .umbrella::after {
    border-left-width: 10px;
    border-right-width: 10px;
    border-bottom-width: 18px;
  }
  .auth-title { font-size: 18px; }
}