:root {
    --bs-body-bg: #f8fafc;
    --bs-body-color: #0f172a;
    --bs-primary: #2563eb;
    --bs-secondary: #64748b;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    background: linear-gradient(180deg, #f8fafc 0%, #eef4ff 100%);
    color: var(--bs-body-color);
    min-height: 100vh;
    margin-bottom: 60px;
}

.navbar {
    background-color: rgba(255, 255, 255, 0.88) !important;
    backdrop-filter: blur(10px);
}

.card {
    border-radius: 1rem;
}

.form-control,
.form-select {
    border-radius: 0.75rem;
    padding: 0.8rem 1rem;
}

.btn {
    border-radius: 0.75rem;
    padding: 0.7rem 1.2rem;
    font-weight: 600;
}

.display-5,
.display-6 {
    letter-spacing: -0.03em;
}

.text-muted {
    color: #475569 !important;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

@media (max-width: 768px) {
    .display-5 {
        font-size: 2.2rem;
    }
}