*, *::before, *::after {
    box-sizing: border-box;
}

/* Lightweight responsive grid + utility classes */

.container, .container-fluid {
    width: 100%;
    margin-inline: auto;
    padding-inline: 15px;
    box-sizing: border-box;
    max-width: 100%;
}

.container {
    max-width: 1140px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    row-gap: 20px;
    box-sizing: border-box;
    margin-inline: -10px;
}

.row > * {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding-inline: 10px;
}

.row.g-0 {
    row-gap: 0;
    margin-inline: 0;
}

.row.g-0 > * {
    padding: 0;
}

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

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

.align-items-start {
    align-items: flex-start;
}

.justify-content-center {
    justify-content: center;
}

.d-flex {
    display: flex;
}

.d-block {
    display: block;
}

.d-none {
    display: none !important;
}

.position-relative {
    position: relative;
}

.position-fixed {
    position: fixed;
}

.shadow {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.shadow-lg {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

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

.text-start {
    text-align: left;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

.mx-auto {
    margin-inline: auto;
}

.w-100 {
    width: 100%;
}

.w-fit {
    width: fit-content;
}

.p-0 {
    padding: 0;
}

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.pt-5 { padding-top: 2.5rem; }
.py-3 { padding-block: 0.75rem; }
.py-4 { padding-block: 1.25rem; }
.gap-2 { gap: 0.5rem; }

.rounded-pill {
    border-radius: 999px;
}

.object-fill {
    object-fit: fill;
}

.form-group {
    margin-bottom: 1rem;
    width: 100%;
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #d0d5dd;
    border-radius: 8px;
    font-size: 15px;
    box-sizing: border-box;
    background-color: #fff;
    transition: border-color 0.2s ease;
}

.form-control:focus {
    border-color: #d6482c;
    outline: none;
}

/* Responsive display utilities */
@media screen and (max-width: 768px) {
    .d-md-none {
        display: none !important;
    }

    .d-md-block {
        display: block !important;
    }
}

@media screen and (min-width: 769px) {
    .d-md-down-none {
        display: none !important;
    }
}

/* Column system: stack on small screens, split at large screens */
@media screen and (min-width: 992px) {
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Basic nav pills (account sidebar) */
.nav {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

.nav-pills .nav-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    text-decoration: none;
    color: inherit;
    border-radius: 8px;
    transition: background-color 0.2s ease;
    width: 100%;
}

.nav-pills .nav-link:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-pills .nav-link.active {
    font-weight: 600;
    background-color: rgba(214, 72, 44, 0.1);
    color: #D6482C;
}