:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --success: #10b981;
    --danger: #ef4444;
    --light: #f8fafc;
    --dark: #1e293b;
    --gray: #64748b;
}

body {
    font-family: 'Nunito', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 1rem;
}

.auth-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

.auth-header {
    background: var(--primary);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.auth-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.form-floating > label {
    padding-left: 1rem;
}

.form-control {
    border-radius: 0.5rem;
    padding: 1rem;
    border: 1px solid #d1d5db;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.toggle-password {
    cursor: pointer;
    color: var(--gray);
}

.toggle-password:hover {
    color: var(--dark);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}