/* Premium Auth Styling for Payroll System */
:root {
    --primary-gradient: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.15);
    --input-focus-bg: rgba(255, 255, 255, 0.2);
    --text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

body.auth-page {
    background: var(--primary-gradient);
    background-attachment: fixed;
    height: 100vh;
    margin: 0;
    overflow: hidden;
    font-family: 'Nunito', sans-serif;
}

.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.auth-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 35px 60px -15px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.3);
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: #fff !important;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-control:focus {
    background: var(--input-focus-bg);
    box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.input-group-text {
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.btn-light {
    background: #fff;
    color: #1e3c72;
    border: none;
    transition: all 0.3s ease;
}

.btn-light:hover {
    background: #e2e8f0;
    transform: scale(1.02);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.form-check-input {
    width: 1.2em;
    height: 1.2em;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: #fff;
    border-color: #fff;
}

.invalid-feedback {
    font-size: 0.8rem;
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5 !important;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

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

.auth-card {
    animation: fadeIn 0.8s ease-out;
}

.x-small {
    font-size: 0.7rem;
}