/* Modern Login Page Styling */
/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
  20%, 40%, 60%, 80% { transform: translateX(10px); }
}

:root {
  --primary-color: #4a89dc;
  --secondary-color: #5b9bd5;
  --success-color: #47a447;
  --danger-color: #d2322d;
  --text-color: #333;
  --light-text: #fff;
  --border-radius: 8px;
  --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

body.modern-login {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  font-family: 'Poppins', 'Open Sans', sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px;
  margin: 0;
}

.modern-login .body-sign {
  width: 100%;
  max-width: 450px;
  padding: 0;
  margin-top: 50px;
}

.modern-login .center-sign {
  max-width: 450px;
  width: 100%;
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.modern-login .center-sign h2,
.modern-login .panel-header h2 {
  color: var(--primary-color);
  font-weight: 700;
  text-align: center;
  margin-bottom: 10px;
  font-size: 28px;
}

.modern-login .header-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.modern-login .center-sign h4,
.modern-login .panel-header h4 {
  color: var(--text-color);
  text-align: center;
  margin-bottom: 20px;
  font-size: 18px;
  font-weight: 500;
}

.modern-login .panel-header {
  padding-top: 20px;
}

.modern-login .panel {
  border: none;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.95);
  transition: var(--transition);
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.modern-login .panel:hover {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.modern-login .panel-title-sign {
  background: var(--primary-color);
  color: var(--light-text);
  padding: 20px;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  text-align: center;
}

.modern-login .panel-title-sign h2 {
  color: var(--light-text);
  margin: 0;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modern-login .panel-title-sign h2 i {
  margin-right: 10px;
  font-size: 24px;
}

.modern-login .panel-body {
  padding: 20px;
}

.modern-login .form-group {
  margin-bottom: 15px;
}

.modern-login .form-group label {
  font-weight: 500;
  color: var(--text-color);
  margin-bottom: 8px;
  display: block;
}

.modern-login .input-group {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.modern-login .input-group:focus-within {
  box-shadow: 0 3px 10px rgba(74, 137, 220, 0.2);
}

.modern-login .form-control {
  border: 1px solid #e6e6e6;
  border-right: none;
  height: 50px;
  padding: 10px 15px;
  font-size: 15px;
  color: var(--text-color);
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  transition: var(--transition);
}

.modern-login .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: none;
}

.modern-login .input-group-addon {
  background: var(--light-text);
  border: 1px solid #e6e6e6;
  border-left: none;
  color: #777;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  transition: var(--transition);
}

.modern-login .input-group:focus-within .input-group-addon {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.modern-login .icon-lg i {
  font-size: 18px;
}

.modern-login .checkbox {
  display: flex;
  align-items: center;
  margin-bottom: 0;
}

.modern-login .checkbox input[type="checkbox"] {
  margin-right: 8px;
  transform: scale(1.2);
}

.modern-login .btn-primary {
  background: var(--primary-color);
  border-color: var(--primary-color);
  padding: 10px 20px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--border-radius);
  transition: var(--transition);
  box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.modern-login .btn-primary:hover, 
.modern-login .btn-primary:focus {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
}

.modern-login .btn-lg {
  padding: 12px 20px;
  font-size: 16px;
}

.modern-login .well {
  border-radius: var(--border-radius);
  padding: 15px;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 500;
}

.modern-login .well.danger {
  background-color: rgba(210, 50, 45, 0.1);
  color: var(--danger-color);
  border: 1px solid rgba(210, 50, 45, 0.2);
}

.modern-login .well.success {
  background-color: rgba(71, 164, 71, 0.1);
  color: var(--success-color);
  border: 1px solid rgba(71, 164, 71, 0.2);
}

.modern-login .separator {
  display: block;
  text-align: center;
  margin: 20px 0;
  font-size: 14px;
  color: #777;
}

/* Animation classes */
.animated {
  animation-duration: 0.8s;
  animation-fill-mode: both;
}

.fadeIn {
  animation-name: fadeIn;
}

.shake {
  animation-name: shake;
}

.modern-login .panel-hover {
  transform: translateY(-5px);
}

.modern-login .btn-pressed {
  transform: scale(0.95);
}

.modern-login .btn-loading {
  position: relative;
  color: transparent !important;
}

.modern-login .btn-loading:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.modern-login .has-error .form-control {
  border-color: var(--danger-color);
}

.modern-login .has-error .input-group-addon {
  border-color: var(--danger-color);
  color: var(--danger-color);
}

.modern-login .focused .form-control {
  border-color: var(--primary-color);
}

.modern-login .focused .input-group-addon {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Responsive adjustments */
@media (max-width: 576px) {
  .modern-login .center-sign {
    max-width: 100%;
    padding: 0 15px;
  }
  
  .modern-login .panel-body {
    padding: 20px;
  }
  
  .modern-login .form-group {
    margin-bottom: 20px;
  }
  
  .modern-login .btn-lg {
    margin-top: 10px;
  }
}

/* Custom checkbox styling */
.modern-login .remember-me-container {
  display: flex;
  align-items: center;
  margin-bottom: 0;
}

.modern-login .remember-me-container input[type="checkbox"] {
  position: absolute;
  opacity: 0;
}

.modern-login .remember-me-container label {
  position: relative;
  cursor: pointer;
  padding-left: 30px;
  margin-bottom: 0;
  font-weight: normal;
  display: inline-block;
}

.modern-login .remember-me-container label:before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
  border: 1px solid #ddd;
  background: #fff;
  border-radius: 3px;
}

.modern-login .remember-me-container input[type="checkbox"]:checked + label:after {
  content: '\f00c';
  font-family: 'FontAwesome';
  position: absolute;
  left: 4px;
  top: 2px;
  color: var(--primary-color);
  font-size: 14px;
}

.body-sign {
    height: 0vh;
}