:root {
    --primary: #49b5e7;
    --secondary: #0f394c;
}

.gradient-bg {
    background: linear-gradient(135deg, #f5fbff 0%, #e6f7ff 100%);
}

.calculator-shadow {
    box-shadow: 0 20px 60px rgba(15, 57, 76, 0.1);
    border-radius: 1.5rem;
}

.feature-card {
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175);
}

.result-animation {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.text-primary {
    color: var(--primary) !important;
}

.text-secondary {
    color: var(--secondary) !important;
}

.bg-primary {
    background-color: var(--primary) !important;
}

.bg-secondary {
    background-color: var(--secondary) !important;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    border-radius: 8px;
}

.btn-primary:hover {
    background-color: rgba(73, 181, 231, 0.9);
    border-color: rgba(73, 181, 231, 0.9);
}

.form-control {
    border-width: 2px;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(73, 181, 231, 0.25);
}

.text-secondary-80 {
    color: rgba(15, 57, 76, 0.8);
}

.text-secondary-70 {
    color: rgba(15, 57, 76, 0.7);
}

.text-secondary-60 {
    color: rgba(15, 57, 76, 0.6);
}

.bg-primary-10 {
    background-color: rgba(73, 181, 231, 0.1);
}

.bg-primary-5 {
    background-color: rgba(73, 181, 231, 0.05);
}

.icon-box {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
}

.icon-box-lg {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.rounded-xl {
    border-radius: 1.25rem;
}

.rounded-2xl {
    border-radius: 1.5rem;
}

.min-h-screen {
    min-height: 100vh;
}

.position-relative-input {
    position: relative;
}

.position-relative-input i {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #6c757d;
    pointer-events: none;
}

.gradient-icon-bg {
    background: linear-gradient(135deg, rgba(73, 181, 231, 0.1) 0%, rgba(73, 181, 231, 0.05) 100%);
}

#birthDate, #currentDate {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: textfield;
}

#birthDate::-webkit-calendar-picker-indicator, #currentDate::-webkit-calendar-picker-indicator {
    display: none;
    opacity: 0;
}