.c-w {
    color: var(--white);
}

.c-b3 {
    color: var(--but-b3);
}

.c-b2 {
    color: var(--but-b2);
}

.bk-w {
    background-color: var(--white);
}

.max-w {
    max-width: 1100px;
}

.headerNav a:hover {
    border-bottom: 3px solid #eee;

}

.form-shadow {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.shadow-md {
    --tw-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --tw-shadow-colored: 0 4px 6px -1px var(--tw-shadow-color), 0 2px 4px -2px var(--tw-shadow-color);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

.bg-white {
    --tw-bg-opacity: 1;
    background-color: rgb(255 255 255 / var(--tw-bg-opacity, 1));
}

.bg-image {
    position: relative;
    background-image: url("../images/1755450501287.webp");
    color: #fff;
}

.bg-image * {
    position: relative;
    z-index: 100;
}

.bg-image:after {
    content: "";
    position: absolute;
    background-color: #0c3e60;
    opacity: 0.8;
    width: 100%;
    height: 100%;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 90;
}

.Next,
.Prev {
    background-color: #c9c9fb !important;
    color: #336 !important;
}

.Next:hover,
.Prev:hover {
    background-color: #bbbbf9 !important;
    color: #116 !important;
}

.z-50 {
    z-index: 150;
}

.gap-8 {
    gap: 2rem;
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.shadow-lg {
    --tw-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --tw-shadow-colored: 0 10px 15px -3px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

.shadow-lg:hover {
    --tw-shadow: 0 15px 25px -0px rgb(0 0 0 / 0.1), 0 8px 10px -0px rgb(0 0 0 / 0.1);
    --tw-shadow-colored: 0 15px 20px -5px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color);
    box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
}

.bg-gray-100 {
    --tw-bg-opacity: 1;
    background-color: rgb(243 244 246 / var(--tw-bg-opacity, 1));
}

.text-xl {
    font-size: 1.25rem;
    line-height: 1.75rem;
}

.bg-gray-50 {
    --tw-bg-opacity: 1;
    background-color: rgb(249 250 251 / var(--tw-bg-opacity, 1));
}

.hm-70 {
    min-height: 70px;
}

.text-4xl {
    font-size: 2.25rem;
    line-height: 2.5rem;
}

.mb-3 {
    margin-bottom: 0.75rem;
}

.top-0 {
    top: 0px;
}

.sticky {
    position: sticky;
}

.p-6 {
    padding: 1.5rem;
}

.py-2 {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.py-4 {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.py-16 {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.px-4 {
    padding-left: 1rem;
    padding-right: 1rem;
}

.justify-between {
    justify-content: space-between;
}

.items-center {
    align-items: center;
}

.hm {
    max-height: 70px;
}

.max-w-7xl {
    min-width: 80rem;
    max-width: 80rem;
}

.flex {
    display: flex;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.text-blue-700 {
    --tw-text-opacity: 1;
    color: rgb(29 78 216 / var(--tw-text-opacity, 1));
}

.font-bold {
    font-weight: 700;
}

.text-2xl {
    font-size: 1.5rem;
    line-height: 2rem;
}

blockquote,
dd,
dl,
figure,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
pre {
    margin: 0;
}

input[type="radio"] {
    margin-right: 20px;
    width: 18px;
    height: 18px;
}
input[type="file"]{
    padding-top: 8px;
}
/*////////////     Column      */
.results {
    width: 80%;
}

.results td {
    text-align: center;
}

.note {
    color: #bbb;
    font-size: 10pt;
    float: right;
}

.form-group {
    display: flex;
    flex-direction: column;
    flex: 1 1 45%;
    margin: 0 10px;
    min-width: 220px;
}

.form-group label {
    margin-bottom: 6px;
    font-weight: 500;
    color: #666;

}

.rebar-inputs {
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.canvas-container {
    flex: 1 1 300px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 250px;
}

#canvas {
    max-width: 500px;
    max-height: 300px;
    border-radius: 8px;
}

@media (max-width: 768px) {
    .rebar-inputs {
        flex: 1 1 100%;
    }

    .form-group {
        flex: 1 1 100%;
    }

    .reinforcement-section {
        flex-direction: column;
        align-items: stretch;
    }
}