/* 🔐 AUTH GATE STYLES 🔐 */
.auth-gate {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-gate.hidden {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.05);
  pointer-events: none;
}

.auth-container {
  width: 90%;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  text-align: center;
  transition: all 0.5s ease;
}

[data-theme="light"] .auth-container {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.auth-logo {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -1px;
}

.auth-logo span {
  color: var(--bnp-red);
}

.auth-subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 30px;
}

.auth-input-group {
  margin-bottom: 20px;
  text-align: left;
}

.auth-input-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  margin-left: 5px;
}

.auth-input {
  width: 100%;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text-color);
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

[data-theme="light"] .auth-input {
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.auth-input:focus {
  border-color: var(--bnp-green);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(0, 106, 78, 0.1);
}

.auth-btn {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--bnp-green), #004d38);
  border: none;
  border-radius: 12px;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  margin-top: 10px;
  box-shadow: 0 10px 20px -5px rgba(0, 106, 78, 0.3);
}

.auth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 25px -5px rgba(0, 106, 78, 0.4);
  filter: brightness(1.1);
}

.auth-error {
  color: var(--bnp-red);
  font-size: 0.85rem;
  margin-top: 15px;
  display: none;
  animation: shake 0.5s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}