:root {
    --volgo-primary: #206bc4;
    --volgo-accent: #f59f00;
    --volgo-dark: #0f172a;
    --volgo-muted: #64748b;
    --volgo-bg: #f4f7fb;
    --volgo-card: rgba(255, 255, 255, .92);
    --volgo-border: rgba(15, 23, 42, .08);
    --volgo-sidebar-width: 280px;
    --volgo-sidebar-collapsed: 86px;
    --volgo-radius: 20px;
    --volgo-shadow: 0 20px 60px rgba(15, 23, 42, .08);
}

body {
    color: #172033;
    background: var(--volgo-bg);
}

.volgo-icon {
    flex: 0 0 auto;
    vertical-align: -4px;
}

.btn {
    border-radius: 12px;
    font-weight: 600;
}

.btn .volgo-icon,
.dropdown-item .volgo-icon {
    margin-right: .45rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--volgo-primary), #4f8fe8);
    border: 0;
    box-shadow: 0 12px 24px rgba(32, 107, 196, .22);
}

.btn-primary:hover {
    filter: brightness(.98);
    box-shadow: 0 16px 32px rgba(32, 107, 196, .28);
}

.text-primary {
    color: var(--volgo-primary) !important;
}

.brand-logo {
    display: block;
    max-height: 42px;
    max-width: 178px;
    width: auto;
}

.short-url-box {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    word-break: break-all;
}

.table-nowrap td,
.table-nowrap th {
    white-space: nowrap;
}

.card {
    border: 1px solid var(--volgo-border);
    border-radius: var(--volgo-radius);
    box-shadow: 0 10px 32px rgba(15, 23, 42, .045);
}

.card-header:first-child {
    border-radius: var(--volgo-radius) var(--volgo-radius) 0 0;
}

.form-control,
.form-select,
.input-group .btn {
    border-radius: 12px;
}

.input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.volgo-admin {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(32, 107, 196, .12), transparent 34rem),
        radial-gradient(circle at 85% 15%, rgba(245, 159, 0, .13), transparent 32rem),
        var(--volgo-bg);
}

.volgo-sidebar {
    position: fixed;
    z-index: 1040;
    top: 0;
    left: 0;
    width: var(--volgo-sidebar-width);
    height: 100vh;
    display: flex;
    flex-direction: column;
    color: #fff;
    background:
        linear-gradient(160deg, rgba(8, 15, 35, .96), rgba(17, 45, 92, .96)),
        linear-gradient(135deg, var(--volgo-primary), var(--volgo-accent));
    box-shadow: 18px 0 50px rgba(15, 23, 42, .16);
    transition: width .22s ease, transform .25s ease;
}

.volgo-sidebar::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 30% 10%, rgba(255, 255, 255, .16), transparent 16rem),
        radial-gradient(circle at 90% 80%, rgba(245, 159, 0, .18), transparent 18rem);
}

.volgo-sidebar > * {
    position: relative;
}

.volgo-sidebar-head {
    min-height: 86px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.35rem 1.25rem;
}

.volgo-brand {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: .8rem;
    color: #fff;
    text-decoration: none;
}

.volgo-brand:hover {
    color: #fff;
}

.volgo-brand-mark {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 42px;
    border-radius: 14px;
    color: #fff;
    font-weight: 800;
    letter-spacing: -.04em;
    background: linear-gradient(135deg, var(--volgo-primary), var(--volgo-accent));
    box-shadow: 0 12px 24px rgba(0, 0, 0, .22);
}

.volgo-brand-name {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.volgo-nav {
    flex: 1;
    padding: .5rem .85rem 1rem;
    overflow-y: auto;
}

.volgo-nav-link {
    min-height: 46px;
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: .72rem .9rem;
    margin-bottom: .28rem;
    border-radius: 14px;
    color: rgba(255, 255, 255, .78);
    text-decoration: none;
    transition: background .18s ease, color .18s ease, transform .18s ease;
}

.volgo-nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, .10);
    transform: translateX(2px);
}

.volgo-nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, .16);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.volgo-sidebar-foot {
    padding: 1rem;
}

.volgo-user-mini {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 16px;
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, .08);
}

.volgo-user-mini:hover {
    color: #fff;
    background: rgba(255, 255, 255, .12);
}

.volgo-avatar {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 38px;
    border-radius: 999px;
    color: #fff;
    font-weight: 800;
    background: linear-gradient(135deg, var(--volgo-primary), var(--volgo-accent));
}

.volgo-user-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.volgo-user-copy strong,
.volgo-user-copy small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.volgo-user-copy small {
    color: rgba(255, 255, 255, .68);
}

.volgo-main {
    min-height: 100vh;
    margin-left: var(--volgo-sidebar-width);
    transition: margin-left .22s ease;
}

.volgo-topbar {
    position: sticky;
    z-index: 1020;
    top: 0;
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(15, 23, 42, .06);
    background: rgba(244, 247, 251, .82);
    backdrop-filter: blur(16px);
}

.volgo-topbar-title {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.volgo-current {
    font-weight: 800;
    letter-spacing: -.02em;
}

.volgo-topbar-title small {
    color: var(--volgo-muted);
}

.volgo-topbar-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .7rem;
}

.volgo-profile-btn,
.volgo-menu-btn,
.volgo-icon-btn {
    border: 1px solid var(--volgo-border);
    background: rgba(255, 255, 255, .78);
    color: #172033;
    box-shadow: 0 8px 24px rgba(15, 23, 42, .055);
}

.volgo-profile-btn {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    padding: .32rem .7rem .32rem .36rem;
    border-radius: 999px;
}

.volgo-profile-btn strong,
.volgo-profile-btn small {
    display: block;
    line-height: 1.1;
}

.volgo-profile-btn small {
    color: var(--volgo-muted);
}

.volgo-menu-btn,
.volgo-icon-btn {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
}

.volgo-content {
    padding: 2rem 0 2.25rem;
}

.volgo-footer {
    padding: 0 0 1.5rem;
}

.volgo-page-header {
    margin-bottom: 1.4rem;
}

.page-header {
    margin-bottom: 1.4rem;
}

.volgo-eyebrow {
    margin-bottom: .25rem;
    color: var(--volgo-primary);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.volgo-alert {
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .06);
}

.volgo-card {
    background: var(--volgo-card);
    backdrop-filter: blur(8px);
}

.sidebar-collapsed .volgo-sidebar {
    width: var(--volgo-sidebar-collapsed);
}

.sidebar-collapsed .volgo-main {
    margin-left: var(--volgo-sidebar-collapsed);
}

.sidebar-collapsed .volgo-brand-name,
.sidebar-collapsed .volgo-nav-link span,
.sidebar-collapsed .volgo-user-copy,
.sidebar-collapsed .brand-logo {
    display: none;
}

.sidebar-collapsed .volgo-sidebar-head,
.sidebar-collapsed .volgo-nav-link,
.sidebar-collapsed .volgo-user-mini {
    justify-content: center;
}

.sidebar-collapsed .volgo-nav-link {
    padding-left: .6rem;
    padding-right: .6rem;
}

.volgo-overlay {
    display: none;
}

.volgo-auth {
    min-height: 100vh;
    overflow-x: hidden;
    background: #071020;
}

.volgo-auth-bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 15%, rgba(32, 107, 196, .55), transparent 26rem),
        radial-gradient(circle at 78% 20%, rgba(245, 159, 0, .42), transparent 24rem),
        linear-gradient(140deg, #071020, #12294f 58%, #071020);
}

.volgo-auth-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.7), transparent);
}

.volgo-login-brand {
    color: #fff;
}

.volgo-login-brand .brand-logo {
    max-height: 58px;
    max-width: 240px;
    margin: 0 auto;
    filter: drop-shadow(0 14px 30px rgba(0,0,0,.18));
}

.volgo-login-brand h1 {
    margin: .8rem 0 0;
    font-size: 1.6rem;
    font-weight: 850;
}

.volgo-login-card {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .18);
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 30px 90px rgba(0, 0, 0, .22);
    backdrop-filter: blur(16px);
}

.landing-shell {
    min-height: 100vh;
    background: linear-gradient(180deg, rgba(32, 107, 196, .08), rgba(255, 255, 255, 1));
}

.landing-card {
    max-width: 640px;
    margin: 0 auto;
}

.volgo-qr-card {
    overflow: hidden;
}

.volgo-qr-box {
    width: min(100%, 360px);
    min-height: 260px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: 18px;
    background: #fff;
    box-shadow: inset 0 0 0 1px rgba(15, 23, 42, .06);
}

.volgo-qr-box canvas,
.volgo-qr-box svg {
    max-width: 100% !important;
    height: auto !important;
}

.volgo-detail-list {
    display: grid;
    gap: .75rem;
}

.volgo-detail-row {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: .75rem;
}

.volgo-detail-row dt {
    color: var(--volgo-muted);
    font-weight: 700;
}

.volgo-detail-row dd {
    margin: 0;
    min-width: 0;
    word-break: break-word;
}

@media (max-width: 991.98px) {
    .volgo-sidebar {
        left: auto;
        right: 0;
        width: min(88vw, 340px);
        transform: translateX(105%);
    }

    .sidebar-open .volgo-sidebar {
        transform: translateX(0);
    }

    .volgo-main,
    .sidebar-collapsed .volgo-main {
        margin-left: 0;
    }

    .volgo-topbar {
        min-height: 68px;
        padding: .8rem 1rem;
    }

    .volgo-content {
        padding: 1rem 0 1.5rem;
    }

    .volgo-overlay {
        position: fixed;
        z-index: 1030;
        inset: 0;
        background: rgba(15, 23, 42, .46);
        backdrop-filter: blur(2px);
    }

    .sidebar-open .volgo-overlay {
        display: block;
    }
}

@media (max-width: 575.98px) {
    .volgo-topbar-title small {
        display: none;
    }

    .volgo-current {
        max-width: 48vw;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

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