/* ========================================
   LOGIN PAGE STYLES - NOVENA THEME
   ======================================== */

:root {
  --primary-color: #223a66;
  --primary-dark: #1a2d4d;
  --primary-light: #2d4a7a;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  --text-dark: #2d3748;
  --text-muted: #6c757d;
  --border-color: #e9ecef;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
}

body {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  min-height: 100vh;
  font-family: "Roboto", sans-serif;
}

.login-container {
  background: var(--bg-white);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  width: 100%;
  max-width: 450px;
  margin: 100px auto 60px auto;
  transition: var(--transition);
}

.login-container:hover {
  box-shadow: 0 12px 32px rgba(34, 58, 102, 0.15);
}

.login-header {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  color: #ffffff;
  text-align: center;
  padding: 30px 30px 25px 30px;
  position: relative;
  overflow: hidden;
}

.login-header::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 0%,
    transparent 70%
  );
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.login-header h3 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-header p {
  margin: 10px 0 0 0;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.login-body {
  padding: 40px 35px;
  background: var(--bg-white);
}

/* Form Labels */
.form-label {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
}

.form-label i {
  margin-right: 8px;
  color: var(--primary-color);
  font-size: 1rem;
}

/* Form Controls */
.form-control,
.form-select {
  border-radius: 8px;
  border: 2px solid var(--border-color);
  padding: 14px 18px;
  font-size: 15px;
  transition: var(--transition);
  background: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.5;
  height: 50px;
  box-sizing: border-box;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(34, 58, 102, 0.1);
  background: var(--bg-white);
  outline: none;
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
}

/* Input Group */
.input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.input-group-text {
  background: var(--primary-color);
  border: 2px solid var(--primary-color);
  color: #ffffff;
  font-weight: 600;
  border-radius: 8px 0 0 8px;
  min-width: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  padding: 14px 16px;
  line-height: 1.5;
  height: 50px;
  box-sizing: border-box;
  flex-shrink: 0;
}

.input-group .form-control {
  border-radius: 8px 0 0 8px;
  flex: 1;
  height: 50px;
  box-sizing: border-box;
  border-top: 2px solid var(--border-color);
  border-bottom: 2px solid var(--border-color);
  border-left: 2px solid var(--border-color);
  border-right: none;
}

/* Nếu có input-group-text ở đầu thì bỏ border-left và border-radius trái */
.input-group-text + .form-control {
  border-left: none;
  border-radius: 0;
}

.input-group .form-control:focus {
  border-top: 2px solid var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  border-left: 2px solid var(--primary-color);
  border-right: 2px solid var(--primary-color);
  z-index: 1;
  position: relative;
}

/* Nếu có input-group-text ở đầu thì khi focus vẫn bỏ border-left */
.input-group-text + .form-control:focus {
  border-left: none;
  border-radius: 0;
}

.input-group .btn,
.input-group .btn-outline-primary,
.input-group .btn-primary,
.input-group .btn-success {
  border-radius: 0 8px 8px 0;
  height: 50px;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  box-sizing: border-box;
  flex-shrink: 0;
  margin: 0;
  font-weight: 600;
}

.input-group .btn {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-left: none;
  color: var(--text-muted);
}

.input-group .btn:hover {
  background: var(--bg-light);
  border-top: 2px solid var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  border-right: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.input-group .btn-primary {
  background: var(--primary-color);
  border: 2px solid var(--primary-color);
  color: #ffffff;
}

.input-group .btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.input-group .btn-success {
  background: var(--success-color);
  border: 2px solid var(--success-color);
  color: #ffffff;
}

.input-group .btn-success:hover {
  background: #218838;
  border-color: #218838;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
  border-radius: 8px;
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn i {
  margin-right: 6px;
}

.btn-login {
  background: var(--primary-color);
  color: #ffffff;
  border: 2px solid var(--primary-color);
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
}

.btn-login:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--primary-color);
  color: #ffffff;
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  padding: 12px 20px;
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--secondary-color);
  color: #ffffff;
  border: 2px solid var(--secondary-color);
  border-radius: 8px;
  padding: 12px 20px;
}

.btn-secondary:hover {
  background: #5a6268;
  border-color: #5a6268;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-success {
  background: var(--success-color);
  color: #ffffff;
  border: 2px solid var(--success-color);
  border-radius: 8px;
  padding: 12px 20px;
}

.btn-success:hover {
  background: #218838;
  border-color: #218838;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Links */
.forgot-password,
.register-link,
.back-to-login {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.forgot-password:hover,
.register-link:hover,
.back-to-login:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.forgot-password i,
.register-link i,
.back-to-login i {
  margin-right: 6px;
}

/* Form Steps */
.form-step {
  display: none;
  animation: fadeIn 0.4s ease;
}

.form-step.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Step Indicators */
.step-indicator {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  gap: 12px;
}

.step-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-color);
  transition: var(--transition);
}

.step-dot.active {
  background: var(--primary-color);
  transform: scale(1.3);
  box-shadow: 0 0 0 4px rgba(34, 58, 102, 0.2);
}

/* Alerts */
.alert {
  border-radius: 10px;
  border: none;
  font-size: 14px;
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
}

.alert-info {
  background: linear-gradient(135deg, #e7f3ff 0%, #d1e7ff 100%);
  color: #084298;
  border-left: 4px solid var(--info-color);
}

.alert-warning {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
  color: #856404;
  border-left: 4px solid var(--warning-color);
}

.alert-danger {
  background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
  color: #721c24;
  border-left: 4px solid var(--danger-color);
}

.alert-success {
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  color: #155724;
  border-left: 4px solid var(--success-color);
}

.alert i {
  margin-right: 8px;
  font-size: 1.1rem;
}

/* Form Text */
.form-text {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 8px;
  line-height: 1.5;
  display: flex;
  align-items: center;
}

.form-text i {
  margin-right: 6px;
  color: var(--primary-color);
}

/* Timer */
.timer {
  font-weight: 700;
  color: var(--danger-color);
  font-size: 1.1rem;
}

/* Password Strength */
.password-strength {
  margin-top: 12px;
}

.strength-bar {
  width: 100%;
  height: 8px;
  background-color: var(--bg-light);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.strength-fill {
  height: 100%;
  width: 0%;
  transition: all 0.4s ease;
  border-radius: 4px;
}

.strength-fill.weak {
  background: linear-gradient(90deg, var(--danger-color) 0%, #e63946 100%);
  width: 33%;
}

.strength-fill.medium {
  background: linear-gradient(90deg, var(--warning-color) 0%, #ffb703 100%);
  width: 66%;
}

.strength-fill.strong {
  background: linear-gradient(90deg, var(--success-color) 0%, #06d6a0 100%);
  width: 100%;
}

.strength-text {
  font-size: 13px;
  font-weight: 600;
}

.strength-text.weak {
  color: var(--danger-color);
}

.strength-text.medium {
  color: var(--warning-color);
}

.strength-text.strong {
  color: var(--success-color);
}

/* Password Match */
.password-match {
  margin-top: 8px;
}

.password-match small {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
}

.password-match small i {
  margin-right: 6px;
}

/* ============================================ */
/* RESPONSIVE BREAKPOINTS */
/* ============================================ */

/* Tablet */
@media (max-width: 991px) {
  .login-container {
    margin: 80px auto 50px auto;
    max-width: 420px;
  }

  .login-body {
    padding: 35px 30px;
  }
}

/* Mobile */
@media (max-width: 767px) {
  .login-container {
    margin: 60px 15px 40px 15px;
    max-width: 100%;
    border-radius: 12px;
  }

  .login-header {
    padding: 25px 25px 20px 25px;
  }

  .login-header h3 {
    font-size: 1.5rem;
  }

  .login-body {
    padding: 30px 25px;
  }
}

/* Small Mobile */
@media (max-width: 575px) {
  .login-container {
    margin: 50px 10px 30px 10px;
  }

  .login-header {
    padding: 20px 20px 18px 20px;
  }

  .login-header h3 {
    font-size: 1.3rem;
  }

  .login-body {
    padding: 25px 20px;
  }

  .form-label {
    font-size: 0.9rem;
    margin-bottom: 8px;
  }

  .form-control,
  .form-select {
    padding: 12px 14px;
    font-size: 14px;
    height: 48px;
  }

  .input-group-text {
    height: 48px;
    padding: 12px 14px;
  }

  .input-group .form-control {
    height: 48px;
  }

  .input-group .btn {
    height: 48px;
    padding: 12px 18px;
  }

  .btn {
    padding: 12px 18px;
    font-size: 14px;
  }
}