/* =========================================================================
   CHATFLOW WHATSAPP CRM - HIGH-FIDELITY GLASSMORPHIC LOGIN OVERLAY
   ========================================================================= */

#login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #05070c;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 45%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  overflow: hidden;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(16, 23, 42, 0.65);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 1.6rem 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), var(--inset-shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  animation: cardEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes cardEntrance {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Dynamic card glowing border effect */
.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--theme-glow), var(--accent-violet), var(--theme-glow-end));
  background-size: 200% auto;
  animation: shineGradient 4s linear infinite;
}

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

.login-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}
.login-logo-img {
  width: 100%;
  max-width: 245px;
  height: auto;
  margin-bottom: 0.15rem;
  filter: drop-shadow(0 4px 10px rgba(16, 185, 129, 0.15));
  transition: all 0.3s ease;
  animation: logoFloat 4s ease-in-out infinite;
}

.login-logo-img:hover {
  filter: drop-shadow(0 6px 20px rgba(16, 185, 129, 0.35));
  transform: translateY(-2px) scale(1.02);
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); filter: drop-shadow(0 4px 10px rgba(16, 185, 129, 0.15)); }
  50% { transform: translateY(-4px); filter: drop-shadow(0 8px 18px rgba(16, 185, 129, 0.28)); }
}

.login-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 60%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-header p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.login-tagline {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.85;
  margin-top: 0.35rem;
  background: linear-gradient(135deg, var(--text-main) 30%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all 0.3s ease;
}

.login-tagline:hover {
  background: linear-gradient(135deg, var(--theme-glow) 0%, var(--theme-glow-end) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  opacity: 1;
  letter-spacing: 0.18em;
}




/* Inputs form design styling */
.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.login-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
}

.login-form-group label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.login-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.login-input-icon {
  position: absolute;
  left: 0.75rem;
  color: var(--text-dim);
  pointer-events: none;
  width: 16px;
  height: 16px;
}

.login-input {
  width: 100%;
  background: #03050a;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.5rem 0.75rem 0.5rem 2.25rem;
  color: white;
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-smooth);
}

.login-input:focus {
  border-color: rgba(0, 242, 254, 0.5);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
}

/* CTA submit buttons */
.login-submit-btn {
  background: linear-gradient(135deg, var(--theme-glow), var(--theme-glow-end));
  border: none;
  color: #080c16;
  font-weight: 700;
  padding: 0.6rem;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.login-submit-btn:hover {
  opacity: 0.95;
  box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
  transform: translateY(-1px);
}

.login-submit-btn:active {
  transform: translateY(0);
}

/* Error/warning text box blocks */
.login-error-box {
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.25);
  color: #fda4af;
  font-size: 0.75rem;
  padding: 0.75rem;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  line-height: 1.4;
  animation: errorShake 0.4s ease-in-out forwards;
  display: none;
}

@keyframes errorShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

.login-server-url-group {
  display: none;
  animation: fieldFadeIn 0.3s ease-out forwards;
}

@keyframes fieldFadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}