.days-between-calculator {
    width: 100%;
}

.days-between-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 20px;
    align-items: start;
}

.days-between-card {
    padding: 20px;
    border: 1px solid #e9ecef;
    border-radius: 14px;
    background: #fff;
}

.days-between-card-title {
    margin: 0 0 18px;
    font-size: 18px;
    font-weight: 700;
    color: #212529;
}

.days-between-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.days-between-field {
    min-width: 0;
}

.days-between-field .form-label,
.days-between-unit .form-label,
.days-between-link-box .form-label {
    margin-bottom: 6px;
    font-weight: 600;
    color: #343a40;
}

.days-between-field .form-control,
.days-between-unit .form-control,
.days-between-link-row .form-control {
    min-height: 42px;
    border-radius: 10px;
}

.days-between-hint {
    margin-top: 6px;
    min-height: 18px;
    color: #6c757d;
    font-size: 13px;
    line-height: 1.35;
}

.days-between-unit {
    margin-top: 16px;
}

.days-between-options {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.days-between-check {
    display: flex;
    align-items: center;
    gap: 9px;
    margin: 0;
    padding: 10px 12px;
    border: 1px solid #e9ecef;
    border-radius: 10px;
    background: #f8f9fa;
    cursor: pointer;
    user-select: none;
}

.days-between-check input {
    margin: 0;
}

.days-between-check span {
    color: #343a40;
    font-size: 14px;
    line-height: 1.35;
}

.days-between-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.days-between-actions .btn {
    min-height: 40px;
    border-radius: 10px;
}

.days-between-error {
    margin-top: 12px;
    min-height: 20px;
    color: #dc3545;
    font-size: 14px;
}

.days-between-main-result {
    padding: 16px;
    margin-bottom: 14px;
    border-radius: 12px;
    background: #f8f9fa;
    color: #212529;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.35;
}

.days-between-result-list {
    border: 1px solid #eef0f2;
    border-radius: 12px;
    overflow: hidden;
}

.days-between-result-row {
    display: grid;
    grid-template-columns: minmax(130px, 0.8fr) minmax(0, 1.2fr);
    gap: 14px;
    align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid #eef0f2;
    background: #fff;
}

.days-between-result-row:last-child {
    border-bottom: 0;
}

.days-between-result-row span {
    color: #6c757d;
    font-size: 14px;
    line-height: 1.35;
}

.days-between-result-row strong {
    color: #212529;
    font-size: 15px;
    font-weight: 700;
    text-align: right;
    line-height: 1.35;
    word-break: break-word;
}

.days-between-result-row-main {
    background: #f8f9fa;
}

.days-between-result-row-main strong {
    font-size: 18px;
}

.days-between-formula {
    margin-top: 14px;
    padding: 13px 14px;
    border-radius: 12px;
    background: #f8f9fa;
    color: #495057;
    font-size: 14px;
    line-height: 1.5;
}

.days-between-link-box {
    margin-top: 16px;
}

.days-between-link-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
}

.days-between-link-row .btn {
    border-radius: 10px;
    white-space: nowrap;
}

@media (max-width: 991px) {
    .days-between-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .days-between-fields {
        grid-template-columns: 1fr;
    }

    .days-between-result-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .days-between-result-row strong {
        text-align: left;
    }
}

@media (max-width: 575px) {
    .days-between-card {
        padding: 16px;
    }

    .days-between-main-result {
        font-size: 20px;
    }

    .days-between-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .days-between-link-row {
        grid-template-columns: 1fr;
    }
}