/* Bootstrap 5.3.0 Custom - Solo moduli necessari */
/* Include solo: Grid, Cards, Buttons, Forms, Alerts, Accordion, Utilities */
/* Ottimizzato per ridurre dimensione da 32.3 KiB a ~8-10 KiB */

/* Grid System - Essenziale per layout responsive */
.container, .container-fluid {
    width: 100%;
    padding-right: var(--bs-gutter-x, 0.75rem);
    padding-left: var(--bs-gutter-x, 0.75rem);
    margin-right: auto;
    margin-left: auto;
}

.container { max-width: 1320px; }

@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
@media (min-width: 1400px) { .container { max-width: 1320px; } }

.row {
    --bs-gutter-x: 1.5rem;
    --bs-gutter-y: 0;
    display: flex;
    flex-wrap: wrap;
    margin-top: calc(var(--bs-gutter-y) * -1);
    margin-right: calc(var(--bs-gutter-x) * -.5);
    margin-left: calc(var(--bs-gutter-x) * -.5);
}

.row > * {
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
    padding-right: calc(var(--bs-gutter-x) * .5);
    padding-left: calc(var(--bs-gutter-x) * .5);
    margin-top: var(--bs-gutter-y);
}

.col { flex: 1 0 0%; }
.col-auto { flex: 0 0 auto; width: auto; }
.col-1 { flex: 0 0 auto; width: 8.33333333%; }
.col-2 { flex: 0 0 auto; width: 16.66666667%; }
.col-3 { flex: 0 0 auto; width: 25%; }
.col-4 { flex: 0 0 auto; width: 33.33333333%; }
.col-5 { flex: 0 0 auto; width: 41.66666667%; }
.col-6 { flex: 0 0 auto; width: 50%; }
.col-7 { flex: 0 0 auto; width: 58.33333333%; }
.col-8 { flex: 0 0 auto; width: 66.66666667%; }
.col-9 { flex: 0 0 auto; width: 75%; }
.col-10 { flex: 0 0 auto; width: 83.33333333%; }
.col-11 { flex: 0 0 auto; width: 91.66666667%; }
.col-12 { flex: 0 0 auto; width: 100%; }

@media (min-width: 576px) {
    .col-sm { flex: 1 0 0%; }
    .col-sm-auto { flex: 0 0 auto; width: auto; }
    .col-sm-1 { flex: 0 0 auto; width: 8.33333333%; }
    .col-sm-2 { flex: 0 0 auto; width: 16.66666667%; }
    .col-sm-3 { flex: 0 0 auto; width: 25%; }
    .col-sm-4 { flex: 0 0 auto; width: 33.33333333%; }
    .col-sm-5 { flex: 0 0 auto; width: 41.66666667%; }
    .col-sm-6 { flex: 0 0 auto; width: 50%; }
    .col-sm-7 { flex: 0 0 auto; width: 58.33333333%; }
    .col-sm-8 { flex: 0 0 auto; width: 66.66666667%; }
    .col-sm-9 { flex: 0 0 auto; width: 75%; }
    .col-sm-10 { flex: 0 0 auto; width: 83.33333333%; }
    .col-sm-11 { flex: 0 0 auto; width: 91.66666667%; }
    .col-sm-12 { flex: 0 0 auto; width: 100%; }
}

@media (min-width: 768px) {
    .col-md { flex: 1 0 0%; }
    .col-md-auto { flex: 0 0 auto; width: auto; }
    .col-md-1 { flex: 0 0 auto; width: 8.33333333%; }
    .col-md-2 { flex: 0 0 auto; width: 16.66666667%; }
    .col-md-3 { flex: 0 0 auto; width: 25%; }
    .col-md-4 { flex: 0 0 auto; width: 33.33333333%; }
    .col-md-5 { flex: 0 0 auto; width: 41.66666667%; }
    .col-md-6 { flex: 0 0 auto; width: 50%; }
    .col-md-7 { flex: 0 0 auto; width: 58.33333333%; }
    .col-md-8 { flex: 0 0 auto; width: 66.66666667%; }
    .col-md-9 { flex: 0 0 auto; width: 75%; }
    .col-md-10 { flex: 0 0 auto; width: 83.33333333%; }
    .col-md-11 { flex: 0 0 auto; width: 91.66666667%; }
    .col-md-12 { flex: 0 0 auto; width: 100%; }
}

@media (min-width: 992px) {
    .col-lg { flex: 1 0 0%; }
    .col-lg-auto { flex: 0 0 auto; width: auto; }
    .col-lg-1 { flex: 0 0 auto; width: 8.33333333%; }
    .col-lg-2 { flex: 0 0 auto; width: 16.66666667%; }
    .col-lg-3 { flex: 0 0 auto; width: 25%; }
    .col-lg-4 { flex: 0 0 auto; width: 33.33333333%; }
    .col-lg-5 { flex: 0 0 auto; width: 41.66666667%; }
    .col-lg-6 { flex: 0 0 auto; width: 50%; }
    .col-lg-7 { flex: 0 0 auto; width: 58.33333333%; }
    .col-lg-8 { flex: 0 0 auto; width: 66.66666667%; }
    .col-lg-9 { flex: 0 0 auto; width: 75%; }
    .col-lg-10 { flex: 0 0 auto; width: 83.33333333%; }
    .col-lg-11 { flex: 0 0 auto; width: 91.66666667%; }
    .col-lg-12 { flex: 0 0 auto; width: 100%; }
}

/* Componenti customizzati - solo quelli usati */
/* Cards */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0,0,0,.125);
    border-radius: 0.375rem;
}

.card-header {
    padding: 0.5rem 1rem;
    margin-bottom: 0;
    background-color: rgba(0,0,0,.03);
    border-bottom: 1px solid rgba(0,0,0,.125);
}

.card-body {
    flex: 1 1 auto;
    padding: 1rem 1rem;
}

.card-footer {
    padding: 0.5rem 1rem;
    background-color: rgba(0,0,0,.03);
    border-top: 1px solid rgba(0,0,0,.125);
}

.shadow {
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.075)!important;
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.375rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-outline-primary {
    color: #0d6efd;
    border-color: #0d6efd;
}

.btn-lg {
    padding: 0.5rem 1rem;
    font-size: 1.25rem;
    border-radius: 0.5rem;
}

/* Forms */
.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.form-select {
    display: block;
    width: 100%;
    padding: 0.375rem 2.25rem 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
}

.form-label {
    margin-bottom: 0.5rem;
}

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

/* Alerts */
.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.375rem;
}

.alert-info {
    color: #084298;
    background-color: #cfe2ff;
    border-color: #b6d4fe;
}

/* Accordion */
.accordion {
    --bs-accordion-color: #212529;
    --bs-accordion-bg: #fff;
    --bs-accordion-transition: color 0.15s ease-in-out,background-color 0.15s ease-in-out,border-color 0.15s ease-in-out,box-shadow 0.15s ease-in-out,border-radius 0.15s ease;
    --bs-accordion-border-color: rgba(0,0,0,.125);
    --bs-accordion-border-radius: 0.375rem;
    --bs-accordion-inner-border-radius: calc(0.375rem - 1px);
    --bs-accordion-btn-padding-x: 1.25rem;
    --bs-accordion-btn-padding-y: 1rem;
    --bs-accordion-btn-color: #212529;
    --bs-accordion-btn-bg: var(--bs-accordion-bg);
    --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    --bs-accordion-btn-icon-width: 1.25rem;
    --bs-accordion-btn-icon-transform: rotate(-180deg);
    --bs-accordion-btn-icon-transition: transform 0.2s ease-in-out;
    --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230c63e4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    --bs-accordion-btn-focus-border-color: #86b7fe;
    --bs-accordion-btn-focus-box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    --bs-accordion-body-padding-x: 1.25rem;
    --bs-accordion-body-padding-y: 1rem;
    --bs-accordion-active-color: #0c63e4;
    --bs-accordion-active-bg: #e7f1ff;
}

.accordion-item {
    color: var(--bs-accordion-color);
    background-color: var(--bs-accordion-bg);
    border: 1px solid var(--bs-accordion-border-color);
}

.accordion-header {
    margin-bottom: 0;
}

.accordion-button {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--bs-accordion-btn-padding-y) var(--bs-accordion-btn-padding-x);
    font-size: 1rem;
    color: var(--bs-accordion-btn-color);
    text-align: left;
    background-color: var(--bs-accordion-btn-bg);
    border: 0;
    border-radius: 0;
    overflow-anchor: none;
    transition: var(--bs-accordion-transition);
}

.accordion-button:not(.collapsed) {
    color: var(--bs-accordion-active-color);
    background-color: var(--bs-accordion-active-bg);
    box-shadow: inset 0 calc(-1 * 1px) 0 var(--bs-accordion-border-color);
}

.accordion-button::after {
    flex-shrink: 0;
    width: var(--bs-accordion-btn-icon-width);
    height: var(--bs-accordion-btn-icon-width);
    margin-left: auto;
    content: "";
    background-image: var(--bs-accordion-btn-icon);
    background-repeat: no-repeat;
    background-size: var(--bs-accordion-btn-icon-width);
    transition: var(--bs-accordion-btn-icon-transition);
}

.accordion-button:not(.collapsed)::after {
    background-image: var(--bs-accordion-btn-active-icon);
    transform: var(--bs-accordion-btn-icon-transform);
}

.accordion-collapse {
    transition: height 0.35s ease;
}

.accordion-collapse:not(.show) {
    display: none;
}

.accordion-body {
    padding: var(--bs-accordion-body-padding-y) var(--bs-accordion-body-padding-x);
}

/* List Group */
.list-group {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    border-radius: 0.375rem;
}

.list-group-item {
    position: relative;
    display: block;
    padding: 0.5rem 1rem;
    color: #212529;
    text-decoration: none;
    background-color: #fff;
    border: 1px solid rgba(0,0,0,.125);
}

.list-group-flush > .list-group-item {
    border-width: 0 0 1px;
}

.list-group-flush > .list-group-item:last-child {
    border-bottom-width: 0;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.375rem;
}

.bg-light {
    background-color: #f8f9fa!important;
}

.bg-primary {
    background-color: #0d6efd!important;
}

.bg-danger {
    background-color: #dc3545!important;
}

.bg-warning {
    background-color: #ffc107!important;
}

.bg-success {
    background-color: #198754!important;
}

.bg-info {
    background-color: #0dcaf0!important;
}

.bg-transparent {
    background-color: transparent!important;
}

.bg-opacity-10 {
    --bs-bg-opacity: 0.1;
    background-color: rgba(var(--bs-danger-rgb), var(--bs-bg-opacity))!important;
}

.text-white {
    color: #fff!important;
}

.text-primary {
    color: #0d6efd!important;
}

.text-secondary {
    color: #6c757d!important;
}

.text-success {
    color: #198754!important;
}

.text-danger {
    color: #dc3545!important;
}

.text-warning {
    color: #ffc107!important;
}

.text-info {
    color: #0dcaf0!important;
}

.text-muted {
    color: #6c757d!important;
}

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

.text-end {
    text-align: right!important;
}

.rounded {
    border-radius: 0.375rem!important;
}

.rounded-circle {
    border-radius: 50%!important;
}

.mt-5 {
    margin-top: 3rem!important;
}

.mb-0 {
    margin-bottom: 0!important;
}

.mb-1 {
    margin-bottom: 0.25rem!important;
}

.mb-2 {
    margin-bottom: 0.5rem!important;
}

.mb-3 {
    margin-bottom: 1rem!important;
}

.mb-4 {
    margin-bottom: 1.5rem!important;
}

.mt-2 {
    margin-top: 0.5rem!important;
}

.p-3 {
    padding: 1rem!important;
}

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

.d-flex {
    display: flex!important;
}

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

.flex-wrap {
    flex-wrap: wrap!important;
}

.gap-2 {
    gap: 0.5rem!important;
}

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

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

.w-100 {
    width: 100%!important;
}

.h-100 {
    height: 100%!important;
}

.small {
    font-size: 0.875em;
}

/* Spinner Animation */
@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

.spinner-border {
    display: inline-block;
    width: 3rem;
    height: 3rem;
    vertical-align: text-bottom;
    border: 0.3rem solid #0d6efd;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border.text-primary {
    border-color: #0d6efd;
    border-right-color: transparent;
}

.visually-hidden {
    position: absolute!important;
    width: 1px!important;
    height: 1px!important;
    padding: 0!important;
    margin: -1px!important;
    overflow: hidden!important;
    clip: rect(0,0,0,0)!important;
    white-space: nowrap!important;
    border: 0!important;
}