* {
    box-sizing: border-box;
}

.max-height-300px {
    max-height: 300px;
}

.max-height-320px {
    max-height: 320px;
}

.max-height-500px {
    max-height: 500px;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
}

    ::-webkit-scrollbar-thumb:hover {
        background: #555;
    }

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
input[type=number] {
    -moz-appearance: textfield;
}

.tree-text {
    width: auto;
    text-decoration-color: white;
    fill: white;
    color: white;
    font-size: 12px;
}

.flex-container-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-height: 100vh;
}

.responsive {
    width: 100%;
    height: auto;
    max-width: 620px
}

.bg_dark_df {
    background: #333333;
}

.big_button {
    height: auto;
    display: flex;
    flex-direction: row;
}

.big_button_content {
    width: 90%;
    max-width: 1000px;
    cursor: pointer;
    text-align: center;
    padding: 0.5rem;
}

.belt_zone {
    height: 25%;
}

.flex-container {
    flex: 1;
    display: flex;
    flex-direction: row;
    justify-content: center;
    overflow-y: scroll;
}

.flex-item {
    max-width: 25%;
    min-width: 330px;
    margin: 1ex;
}

.flex-container-2 {
    display: flex;
    flex-direction: row;
    justify-content: center;
    overflow-y: scroll;
}

.flex-item-2 {
    width: 50%;
    max-width: 40%;
    min-width: 530px;
    margin: 1ex;
}

.flex-item_auto {
    width: auto;
    margin: 1ex;
}

.image {
    display: block;
}

.drive_info {
    display: block;
}

.flex-container-main-bg {
    background-image: url(../images/Gates_bg.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.icon-item {
    height: 165px;
    width: 165px;
}

.icon-item:hover {
    background: #bc2425;
    color: #040404;
}

.form-check {
    display: flex;
    align-items: center;
}

.form-check label {
    margin-left: 10px;
    margin-top: 2px;
    font-size: 18px;
    font-weight: 500;
}

.form-check .form-check-input[type=checkbox] {
    border-radius: .25em;
    height: 20px;
    width: 20px;
}

/* Solution Summary page */
.ss-table-container {
    height: calc(100vh - 220px);
    overflow-y: auto;
    overflow-x: auto;
    border: 1px solid #dee2e6;
}

.ss-sort-header {
    cursor: pointer;
    user-select: none;
}

.ss-sort-header:hover {
    background-color: #e9ecef;
}

.ss-table-row {
    height: 24px;
}

.ss-sentinel {
    height: 1px;
    visibility: hidden;
}

.ss-table {
    border-collapse: collapse;
    font-size: 0.75rem;
}

.ss-table thead.sticky-top {
    top: 0;
}

.ss-table thead.sticky-top th {
    background-color: inherit;
    box-shadow: inset 0 -1px 0 #dee2e6;
}

.ss-table th {
    vertical-align: top;
    font-size: 0.75rem;
}

.ss-checkbox-small .form-check-label {
    font-size: 0.7rem;
}


/* ── Navbar (Gates theme) ─────────────────────────────── */
:root {
    --gates-black: #1a1a1a;
    --gates-dark: #2d2d2d;
    --gates-red: #cc0000;
    --gates-red-hover: #a30000;
}

.navbar-gates {
    background-color: var(--gates-black) !important;
    padding: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.navbar-gates .container-fluid {
    padding: 0 1.5rem;
}

.navbar-gates .navbar-brand {
    color: #ffffff !important;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 0.75rem 0;
    margin-right: 2rem;
    text-decoration: none;
}

.navbar-gates .navbar-brand:hover {
    color: var(--gates-red) !important;
}

.navbar-gates .navbar-nav {
    flex-direction: row;
    align-items: stretch;
}

.navbar-gates .navbar-nav .nav-item {
    display: flex;
    align-items: stretch;
    position: relative;
}

.navbar-gates .navbar-nav .nav-item::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: transparent;
    transition: background-color 0.2s ease;
}

.navbar-gates .navbar-nav .nav-item:hover::after {
    background-color: var(--gates-red);
}

.navbar.navbar-expand-lg.navbar-gates .navbar-nav .nav-link,
.navbar-gates .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 1rem 1.25rem !important;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
}

.navbar-gates .navbar-nav .nav-link:hover,
.navbar-gates .navbar-nav .nav-link:focus {
    color: #ffffff !important;
    background-color: transparent;
}

.navbar-gates .navbar-nav .nav-link.active {
    color: #ffffff !important;
}

.navbar-gates .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.3);
    margin: 0.5rem 0;
}

.navbar-gates .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Offcanvas (mobile menu) */
.offcanvas-gates {
    background-color: var(--gates-black) !important;
    color: #ffffff;
}

.offcanvas-gates .offcanvas-header {
    border-bottom: 3px solid var(--gates-red);
    padding: 1rem 1.25rem;
}

.offcanvas-gates .nav-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.offcanvas-gates .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 0.75rem 0 !important;
    text-decoration: none;
}

.offcanvas-gates .nav-link:hover,
.offcanvas-gates .nav-link:focus {
    color: #ffffff !important;
    padding-left: 0.5rem !important;
}

/* Red accent bar below navbar */
.navbar-accent {
    height: 3px;
    background: linear-gradient(90deg, var(--gates-red) 0%, var(--gates-red-hover) 100%);
}

/* Blue accent bar for Bicycle module */
.navbar-accent.bicycle {
    background: linear-gradient(90deg, #00263E 0%, #00263E 100%);
}

/* Navbar action buttons */
.navbar-gates .btn-nav-action {
    color: rgba(255, 255, 255, 0.85);
    border-color: rgba(255, 255, 255, 0.3);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.4rem 1rem;
    transition: all 0.2s ease;
}

.navbar-gates .btn-nav-action:hover {
    color: #ffffff;
    border-color: #ffffff;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-gates .btn-nav-logout {
    color: rgba(255, 255, 255, 0.85);
    border-color: var(--gates-red);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.4rem 1rem;
    transition: all 0.2s ease;
}

.navbar-gates .btn-nav-logout:hover {
    color: #ffffff;
    background-color: var(--gates-red);
    border-color: var(--gates-red);
}

/* Mobile menu (Blazor-managed) */
.mobile-menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
}

.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    max-width: 80vw;
    z-index: 1045;
    overflow-y: auto;
}

.mobile-menu-panel .navbar-nav {
    flex-direction: column;
    padding: 0 1.25rem;
}

.mobile-menu-panel .navbar-nav .nav-item::after {
    display: none;
}

@media (max-width: 991.98px) {
    .navbar-gates .navbar-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .navbar-gates .navbar-nav .nav-item::after {
        display: none;
    }
}

@media (max-width: 960px) {
    .flex-container {
        display: flex;
        flex-wrap: wrap;
        overflow: scroll;
    }

    .flex-item { max-width: 100%; }

    .image { display: none; }

    .drive_info { display: none; }
}