.form-slide-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    min-height: 600px;
}

.form-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    visibility: hidden;
}

.form-slide.active {
    opacity: 1;
    transform: translateX(0);
    visibility: visible;
    position: relative;
}

.form-slide.slide-left { transform: translateX(-100%); opacity: 0; }
.form-slide.slide-right { transform: translateX(100%); opacity: 0; }

.countdown-timer { color: #6c757d; font-size: 0.9em; }

.method-selector { transition: all 0.3s ease; margin-bottom: 1rem; }
.method-selector:hover { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
.method-selector.active { background-color: #0d6efd; color: white; border-color: #0d6efd; }
.method-selector.active p { color: rgba(255,255,255,0.8) !important; }

.fade-in { animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from {opacity:0; transform:translateY(10px);} to {opacity:1; transform:translateY(0);} }

.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0%{transform:scale(1);} 50%{transform:scale(1.05);} 100%{transform:scale(1);} }

.step-indicator {
    display: inline-block; width: 30px; height: 30px; background: #e9ecef;
    border-radius: 50%; text-align: center; line-height: 30px; margin-right: 8px;
    font-size: 12px; font-weight: bold; transition: all 0.3s ease;
}
.step-indicator.active { background: #0d6efd; color: white; transform: scale(1.1); }

.two-factor-header { margin-bottom: 30px; text-align: center; }
.two-factor-header h3 { margin-bottom: 10px; color: #495057; }
.two-factor-header p { color: #6c757d; font-size: 0.9em; }

.letter-spacing-2 { letter-spacing: 8px; text-align: center; }

.slide-transition-enter { transform: translateX(100%); opacity: 0; }
.slide-transition-enter-active {
    transform: translateX(0); opacity: 1;
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.4s ease;
}
.slide-transition-exit { transform: translateX(0); opacity: 1; }
.slide-transition-exit-active {
    transform: translateX(-100%); opacity: 0;
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.4s ease;
}

.form-floating input:focus ~ label { color: #0d6efd; }
.btn:disabled { opacity: 0.65; }

.alert { animation: slideDown 0.3s ease forwards; }
@keyframes slideDown { from {opacity:0; transform:translateY(-10px);} to {opacity:1; transform:translateY(0);} }

.backup-code-input {
    font-family: 'Courier New', monospace;
    letter-spacing: 2px;
    text-align: center;
    font-weight: bold;
}

.backup-codes-help {
    background: #f8f9fa;
    border-left: 4px solid #0d6efd;
    padding: 12px 16px;
    border-radius: 0 6px 6px 0;
    margin-bottom: 20px;
}
.backup-codes-help .help-icon { color: #0d6efd; margin-right: 8px; }

.alternative-method-link { color: #6c757d; text-decoration: none; font-size: 0.9em; transition: color 0.3s ease; }
.alternative-method-link:hover { color: #0d6efd; text-decoration: underline; }

.remember-me-container .form-check-input {
    width: 1.1rem; height: 1.1rem; border: 2px solid #dee2e6; cursor: pointer;
    transition: all 0.15s ease-in-out; margin-top: 0;
}
.remember-me-container .form-check-input:checked { background-color: #0d6efd; border-color: #0d6efd; }
.remember-me-container .form-check-input:focus {
    border-color: #86b7fe; outline: 0; box-shadow: 0 0 0 0.25rem rgba(13,110,253,0.25);
}
.remember-me-container label:hover span { color: #0d6efd; }
.remember-me-container label:hover .uil-clock { color: #0d6efd; }
.remember-me-container .form-check-input { margin-top: 0 !important; margin-left: 0 !important; }