/* Login-specific styling with integrated design */
body.login-page {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  position: relative;
  overflow: hidden;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* Subtle texture overlay */
body.login-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.04) 0%, transparent 50%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.02) 2px,
      rgba(255, 255, 255, 0.02) 4px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.015) 2px,
      rgba(255, 255, 255, 0.015) 4px
    );
  z-index: 1;
}

.login-container {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 460px;
  padding: 0 20px;
}

.login-form {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border-radius: 28px;
  padding: 60px 50px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), 
              box-shadow 0.2s cubic-bezier(0.2, 0.8, 0.2, 1),
              background 0.2s ease,
              border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transform: translateZ(0);
  backface-visibility: hidden;
  contain: layout style paint;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo-container {
  text-align: center;
  margin-bottom: 40px;
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.form-group:nth-child(1) { animation-delay: 0.4s; }
.form-group:nth-child(2) { animation-delay: 0.5s; }
.form-group:nth-child(3) { animation-delay: 0.6s; }

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

.logo {
  width: 96px;
  height: 96px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  overflow: hidden;
  color: white;
  position: relative;
  animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1);
  }
  50% { 
    transform: scale(1.02);
    box-shadow: 0 0 20px 0 rgba(255, 255, 255, 0.15);
  }
}

.logo svg {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: brightness(0) invert(1) drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.login-title {
  font-size: 28px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin: 0 0 8px 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.login-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-weight: 400;
  transition: all 0.3s ease;
}

.form-group {
  position: relative;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.form-group i {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 16px;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.2s ease;
  z-index: 1;
  font-size: 16px;
}

.form-control {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.95) !important;
  font-size: 15px;
  font-weight: 400;
  height: 56px;
  border-radius: 16px;
  padding: 0 20px 0 50px;
  backdrop-filter: blur(10px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.01em;
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
  transition: all 0.2s ease;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.95) !important;
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 8px 24px rgba(0, 0, 0, 0.1);
  outline: none;
  transform: translateY(-1px);
}

.form-control:focus + i {
  color: rgba(255, 255, 255, 0.8);
  transform: translateY(-50%) scale(1.1);
}

.btn-login {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  font-size: 16px;
  height: 56px;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.btn-login .btn-text {
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-login .fas {
  transition: opacity 0.2s ease, transform 0.2s ease;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
}

.btn-login:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.95) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.btn-login:hover .btn-text {
  transform: translateX(-10px);
  color: rgba(255, 255, 255, 0.95) !important;
}

.btn-login:hover .fas {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.btn-login:hover span {
  color: rgba(255, 255, 255, 0.95) !important;
}

.btn-login:active {
  transform: translateY(0);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.login-footer {
  text-align: center;
  margin-top: 32px;
  font-size: 14px;
}

.login-footer a {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.login-footer a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

#error-message-container {
  background-color: rgba(255, 82, 82, 0.1);
  border: 1px solid rgba(255, 82, 82, 0.3);
  color: #ffcccc;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  text-align: left;
  animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

#error-message-container i {
  margin-right: 12px;
  font-size: 20px;
  color: #ff8a80;
}

@keyframes shake {
  10%, 90% { transform: translate3d(-1px, 0, 0); }
  20%, 80% { transform: translate3d(2px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
  40%, 60% { transform: translate3d(4px, 0, 0); }
}

.alert-hidden {
  display: none;
}