main > .container {
    padding: 70px 15px 20px;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.not-set {
    color: var(--bs-danger);
    font-style: italic;
}

/* add sorting icons to gridview sort links */
a.asc:after, a.desc:after {
    content: '';
    left: 3px;
    display: inline-block;
    width: 0;
    height: 0;
    border: solid 5px transparent;
    margin: 4px 4px 2px 4px;
    background: transparent;
}

a.asc:after {
    border-bottom: solid 7px var(--bs-body-color);
    border-top-width: 0;
}

a.desc:after {
    border-top: solid 7px var(--bs-body-color);
    border-bottom-width: 0;
}

.grid-view th {
    white-space: nowrap;
}

.hint-block {
    display: block;
    margin-top: 5px;
    color: var(--bs-secondary-color);
}

.error-summary {
    color: var(--bs-danger-text-emphasis);
    background: var(--bs-danger-bg-subtle);
    border-left: 3px solid var(--bs-danger-border-subtle);
    padding: 10px 20px;
    margin: 0 0 15px 0;
}

/* align navbar brand baseline with nav links */
.navbar > .container,
.navbar > .container-fluid {
    align-items: baseline;
}

/* align the logout "link" (button in form) of the navbar */
.nav li > form > button.logout {
    color: var(--bs-navbar-color);
}

@media (max-width: 767.98px) {
    .navbar-nav .nav-link.logout {
        display: block;
        text-align: left;
        width: 100%;
        padding: 10px 0;
    }
}

.navbar-nav .nav-link.logout:focus,
.navbar-nav .nav-link.logout:hover {
    color: var(--bs-navbar-hover-color);
}

/* footer logo: light logo by default (light bg-body-tertiary), dark logo for dark theme */
.footer-logo-dark { display: none; }

[data-bs-theme="dark"] .footer-logo-light { display: none; }
[data-bs-theme="dark"] .footer-logo-dark  { display: inline-block; }

/* login inputs: seamless icon inside input (Volt style) */
.login-split-card .input-group {
    border: var(--bs-border-width) solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
    overflow: hidden;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.login-split-card .input-group .input-group-text {
    background: transparent;
    border: 0;
    padding-left: 1rem;
    padding-right: .75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-split-card .input-group .form-control {
    border: 0;
    background: transparent;
}

.login-split-card .input-group .form-control:focus {
    box-shadow: none;
}

.login-split-card .input-group:focus-within {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 .25rem rgba(var(--bs-primary-rgb), .25);
}

/* validation styles for login split card (browsers with :has()) */
@supports selector(.input-group:has(.is-invalid)) {
    .login-split-card .input-group:has(.is-invalid) ~ .invalid-feedback {
        display: block;
        margin-top: .35rem;
        margin-bottom: .5rem;
    }

    .login-split-card .input-group:has(.is-invalid) {
        border-color: var(--bs-danger);
    }

    .login-split-card .input-group:has(.is-invalid):focus-within {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}

/* fallback validation styles for login split card (browsers without :has()) */
@supports not selector(.input-group:has(.is-invalid)) {
    .login-split-card .invalid-feedback:not(:empty) {
        display: block;
        margin-top: .35rem;
        margin-bottom: .5rem;
    }

    .login-split-card .input-group .form-control.is-invalid {
        border: var(--bs-border-width) solid var(--bs-danger);
    }

    .login-split-card .input-group .form-control.is-invalid:focus {
        box-shadow: 0 0 0 .25rem rgba(var(--bs-danger-rgb), .25);
    }
}

/* login split card */
.login-split-card {
    border-radius: 1rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, .10);
    background-color: var(--bs-gray-100);
    width: 100%;
    max-width: 900px;
}

.login-split-card-wide {
    max-width: 960px;
}

.login-brand-title {
    font-size: 1.75rem;
    line-height: 1.3;
}

.login-brand-text {
    font-size: .9rem;
}

.login-brand-panel {
    background: linear-gradient(135deg, #40B3D8 0%, #3a9cbd 40%, #83C933 100%);
    position: relative;
    min-height: 480px;
}

.login-brand-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(241, 138, 42, .25) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(131, 201, 51, .2) 0%, transparent 40%);
    pointer-events: none;
}

.login-btn {
    background: linear-gradient(135deg, #40B3D8, #3a9cbd);
    border: none;
    font-weight: 600;
    letter-spacing: .02em;
    transition: opacity .2s, transform .1s;
}

.login-btn:hover {
    opacity: .9;
    transform: translateY(-1px);
}

.login-btn:active {
    transform: translateY(0);
}

/* dark mode login card */
[data-bs-theme="dark"] .login-split-card {
    background-color: var(--bs-body-bg);
    box-shadow: 0 0 0 1px var(--bs-border-color), 0 4px 24px rgba(0, 0, 0, .4);
}

[data-bs-theme="dark"] .login-mobile-logo {
    filter: invert(1);
}

/* contact form textarea height */
.site-contact textarea.form-control {
    height: 140px;
}

/* captcha: blend with card background */
.site-contact img[src*="captcha"] {
    border-radius: var(--bs-border-radius);
    mix-blend-mode: multiply;
}

/* dark mode: invert captcha for visibility on dark background */
[data-bs-theme="dark"] .site-contact img[src*="captcha"] {
    mix-blend-mode: screen;
    filter: invert(1) hue-rotate(180deg);
}

/* Contractor app shell */
.app-shell-body {
    overscroll-behavior: none;
}

.app-shell-body #main,
.app-shell-body #main > .container-fluid {
    height: var(--contractor-app-height, 100vh);
    min-height: var(--contractor-app-height, 100vh);
    overflow: hidden;
}

@supports (height: 100dvh) {
    .app-shell-body #main,
    .app-shell-body #main > .container-fluid {
        height: var(--contractor-app-height, 100dvh);
        min-height: var(--contractor-app-height, 100dvh);
    }
}

.contractor-app {
    min-height: 100vh;
    height: var(--contractor-app-height, 100vh);
    background: #f5f7f9;
    color: #17212b;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

@supports (height: 100dvh) {
    .contractor-app {
        height: var(--contractor-app-height, 100dvh);
        min-height: var(--contractor-app-height, 100dvh);
    }
}

.contractor-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    padding: max(14px, env(safe-area-inset-top)) clamp(16px, 4vw, 32px) 14px;
    background: #ffffff;
    border-bottom: 1px solid #d8e0e7;
    flex: 0 0 auto;
}

.contractor-kicker {
    color: #5d6b78;
    font-size: .78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.contractor-topbar h1 {
    margin: 0;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    line-height: 1.2;
    font-weight: 700;
}

.contractor-topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contractor-balance {
    min-width: 104px;
    padding: 8px 10px;
    border-radius: 8px;
    background: #e7f4ed;
    color: #106b42;
    text-align: right;
    font-weight: 700;
}

.contractor-icon-button,
.contractor-panel button,
.contractor-row button,
.contractor-auth-row button,
.contractor-drawer button,
.contractor-option-list button {
    border: 1px solid #c9d4dd;
    border-radius: 8px;
    background: #ffffff;
    color: #17212b;
    font-weight: 700;
    min-height: 38px;
    padding: 8px 12px;
}

.contractor-tabs {
    position: sticky;
    top: 69px;
    z-index: 19;
    display: flex;
    gap: 4px;
    overflow-x: auto;
    padding: 8px clamp(16px, 4vw, 32px);
    background: #ffffff;
    border-bottom: 1px solid #d8e0e7;
    flex: 0 0 auto;
}

.contractor-tabs button {
    flex: 0 0 auto;
    border: 0;
    border-radius: 8px;
    background: transparent;
    min-height: 40px;
    padding: 8px 12px;
    color: #4f5d6a;
    font-weight: 700;
}

.contractor-tabs button.is-active {
    background: #0f6cbd;
    color: #ffffff;
}

.contractor-main {
    flex: 1 1 auto;
    width: 100%;
    min-height: 0;
    margin: 0 auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 16px clamp(12px, 4vw, 32px) max(28px, env(safe-area-inset-bottom));
}

.app-shell-body .contractor-topbar,
.app-shell-body .contractor-tabs {
    position: static;
}

.contractor-alert {
    margin-bottom: 12px;
    padding: 10px 12px;
    border: 1px solid #e3b341;
    border-radius: 8px;
    background: #fff7dd;
    color: #5f4600;
}

.contractor-auth,
.contractor-panel,
.contractor-drawer {
    border: 1px solid #d8e0e7;
    border-radius: 8px;
    background: #ffffff;
}

.contractor-auth {
    margin-bottom: 16px;
    padding: 18px;
}

.contractor-auth h2,
.contractor-panel h2,
.contractor-drawer h2 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.25;
}

.contractor-auth p {
    margin: 8px 0 14px;
    color: #5d6b78;
}

.contractor-auth-row {
    display: flex;
    gap: 8px;
}

.contractor-auth-row input {
    flex: 1;
    min-width: 0;
    min-height: 40px;
    border: 1px solid #c9d4dd;
    border-radius: 8px;
    padding: 8px 10px;
}

.contractor-view {
    display: none;
}

.contractor-view.is-active {
    display: block;
}

.contractor-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.contractor-metric {
    border: 1px solid #d8e0e7;
    border-radius: 8px;
    background: #ffffff;
    padding: 14px;
}

.contractor-metric span {
    display: block;
    color: #5d6b78;
    font-size: .82rem;
    font-weight: 700;
}

.contractor-metric strong {
    display: block;
    margin-top: 4px;
    font-size: 1.35rem;
}

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

.contractor-panel {
    padding: 14px;
}

.contractor-panel-head,
.contractor-drawer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.contractor-list {
    display: grid;
    gap: 8px;
}

.contractor-filters {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(140px, .55fr) minmax(130px, .45fr) auto;
    gap: 8px;
    margin-bottom: 12px;
}

.contractor-filters input,
.contractor-filters select {
    min-height: 40px;
    border: 1px solid #c9d4dd;
    border-radius: 8px;
    background: #ffffff;
    color: #17212b;
    padding: 8px 10px;
}

.contractor-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    min-height: 74px;
    padding: 12px;
    border: 1px solid #e2e8ee;
    border-radius: 8px;
    background: #fbfcfd;
}

.contractor-row strong {
    display: block;
    min-width: 0;
    overflow-wrap: anywhere;
}

.contractor-muted {
    color: #657382;
    font-size: .9rem;
}

.contractor-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 7px;
}

.contractor-tags span {
    min-height: 24px;
    padding: 3px 7px;
    border-radius: 6px;
    background: #edf2f6;
    color: #40515f;
    font-size: .78rem;
    font-weight: 700;
}

.contractor-empty {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed #c9d4dd;
    border-radius: 8px;
    color: #657382;
}

.contractor-drawer {
    margin-top: 14px;
    padding: 14px;
}

.contractor-option-list {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}

.contractor-option-list button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.contractor-contact {
    display: grid;
    gap: 6px;
    margin: 12px 0;
}

.contractor-contact a {
    color: #0f6cbd;
    font-weight: 700;
    text-decoration: none;
}

.contractor-wallet-balance {
    margin-top: 10px;
    font-size: clamp(2rem, 8vw, 3rem);
    line-height: 1;
    font-weight: 800;
}

.contractor-debt-status {
    margin-top: 14px;
    padding: 10px 12px;
    border-radius: 8px;
    background: #edf2f6;
    color: #40515f;
    font-weight: 700;
}

.contractor-debt-status.has-debt {
    background: #fff1df;
    color: #7a3d00;
}

.contractor-option-list button:disabled {
    cursor: not-allowed;
    opacity: .55;
}

.contractor-switch {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 14px;
    font-weight: 700;
}

.contractor-switch input {
    width: 22px;
    height: 22px;
}

@media (max-width: 760px) {
    .contractor-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .contractor-topbar-actions,
    .contractor-auth-row {
        width: 100%;
    }

    .contractor-balance,
    .contractor-auth-row button {
        flex: 1;
    }

    .contractor-tabs {
        top: 114px;
    }

    .contractor-metrics,
    .contractor-columns {
        grid-template-columns: 1fr;
    }

    .contractor-row {
        grid-template-columns: 1fr;
    }

    .contractor-row button {
        width: 100%;
    }

    .contractor-filters {
        grid-template-columns: 1fr;
    }
}

/* centered page layout */
.site-login,
.site-contact,
.site-index,
.site-error,
.site-about,
.site-contact-success {
    flex: 1;
}

.site-error .site-error-content,
.site-about .site-about-content,
.site-contact-success .site-contact-success-content {
    width: 100%;
    max-width: 90%;
}

@media (min-width: 576px) {
    .site-error .site-error-content,
    .site-about .site-about-content,
    .site-contact-success .site-contact-success-content {
        max-width: 80%;
    }
}

@media (min-width: 768px) {
    .site-error .site-error-content,
    .site-about .site-about-content,
    .site-contact-success .site-contact-success-content {
        max-width: 60%;
    }
}

@media (min-width: 992px) {
    .site-error .site-error-content,
    .site-about .site-about-content,
    .site-contact-success .site-contact-success-content {
        max-width: 50%;
    }
}

/* product footer */
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-links a {
    color: var(--bs-secondary-color);
    font-weight: 600;
    text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--bs-primary);
}