:root {
    --bg: #09090b;
    --bg-elevated: #18181b;
    --surface: #27272a;
    --surface-hover: #3f3f46;
    --border: #3f3f46;
    --border-subtle: #27272a;
    --text: #fafafa;
    --text-muted: #a1a1aa;
    --text-faint: #71717a;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-soft: rgba(37, 99, 235, 0.12);
    --success: #22c55e;
    --success-soft: rgba(34, 197, 94, 0.12);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --sidebar-w: 17rem;
    --header-h: 3.75rem;
    --touch: 44px;
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    --font: "Segoe UI", system-ui, -apple-system, sans-serif;
    --mono: ui-monospace, "Cascadia Code", monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100dvh;
}

body.sidebar-scroll-lock { overflow: hidden; }

a { color: inherit; }

/* —— Auth pages —— */
.page-auth {
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    background: var(--bg);
}

.page-login {
    background:
        radial-gradient(ellipse 120% 80% at 50% -20%, rgba(37, 99, 235, 0.22), transparent 55%),
        radial-gradient(ellipse 70% 50% at 100% 100%, rgba(99, 102, 241, 0.14), transparent 50%),
        var(--bg);
}

.login-backdrop {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.login-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
}

.login-glow-a {
    width: min(28rem, 70vw);
    height: min(28rem, 70vw);
    top: -12%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(37, 99, 235, 0.35);
}

.login-glow-b {
    width: min(20rem, 55vw);
    height: min(20rem, 55vw);
    bottom: -8%;
    right: -5%;
    background: rgba(99, 102, 241, 0.28);
}

.login-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
}

.auth-card {
    width: min(100%, 420px);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    box-shadow: var(--shadow);
}

.login-card {
    position: relative;
    z-index: 1;
    width: min(100%, 440px);
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(24, 24, 27, 0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        0 24px 48px rgba(0, 0, 0, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.login-card-inner {
    padding: 1.75rem 1.375rem 1.5rem;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: .875rem;
    margin-bottom: 1.5rem;
}

.login-brand {
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-subtle);
}

.auth-brand .brand-mark {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.125rem;
}

.login-mark {
    width: 3.25rem;
    height: 3.25rem;
    font-size: 1.25rem;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}

.auth-card h1 {
    margin: 0 0 .25rem;
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.login-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.login-tagline {
    margin: 0;
    font-size: .875rem;
    color: var(--text-muted);
}

.login-intro {
    margin: 0 0 1rem;
    font-size: .875rem;
    line-height: 1.5;
}

.login-account {
    margin: 0 0 1rem;
    font-size: .8125rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: .375rem;
}

.login-field input {
    min-height: var(--touch);
    padding: .75rem .875rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: rgba(9, 9, 11, 0.55);
    color: var(--text);
    font: inherit;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.login-field input::placeholder {
    color: var(--text-faint);
}

.login-field input:focus {
    outline: none;
    border-color: rgba(37, 99, 235, 0.65);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18);
}

.remember-row {
    display: flex;
    align-items: flex-start;
    gap: .625rem;
    margin: .125rem 0 .25rem;
    cursor: pointer;
    user-select: none;
}

.remember-row input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    margin: .125rem 0 0;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.remember-copy {
    display: flex;
    flex-direction: column;
    gap: .125rem;
    line-height: 1.35;
}

.remember-copy strong {
    font-size: .875rem;
    font-weight: 600;
}

.remember-hint {
    font-size: .75rem;
    color: var(--text-faint);
}

.login-submit {
    min-height: var(--touch);
    font-size: .9375rem;
    font-weight: 600;
    margin-top: .25rem;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.28);
}

.login-alert {
    margin-bottom: 1rem;
}

.login-footer {
    margin: 1.25rem 0 0;
    text-align: center;
    font-size: .75rem;
}

@media (min-width: 768px) {
    .login-card-inner {
        padding: 2rem 2rem 1.75rem;
    }

    .login-brand h1 {
        font-size: 1.625rem;
    }
}

/* —— App shell —— */
.app-layout {
    min-height: 100dvh;
    display: flex;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 40;
    backdrop-filter: blur(2px);
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 50;
    width: var(--sidebar-w);
    height: 100dvh;
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform .22s ease;
    padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

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

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1.25rem 1rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--primary), #6366f1);
    color: #fff;
    font-weight: 700;
    font-size: .9375rem;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text strong {
    font-size: .9375rem;
    font-weight: 600;
}

.brand-text span {
    font-size: .75rem;
    color: var(--text-muted);
}

.sidebar-nav {
    flex: 1;
    padding: .75rem .625rem;
    display: flex;
    flex-direction: column;
    gap: .25rem;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: .75rem;
    min-height: var(--touch);
    padding: .625rem .875rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-muted);
    font-size: .9375rem;
    font-weight: 500;
    transition: background .15s, color .15s;
}

.nav-item:hover {
    background: var(--surface);
    color: var(--text);
}

.nav-item.is-active {
    background: var(--primary-soft);
    color: #93c5fd;
}

.nav-icon {
    width: 1.25rem;
    text-align: center;
    font-size: .875rem;
    opacity: .85;
}

.nav-group {
    display: flex;
    flex-direction: column;
    gap: .125rem;
}

.nav-group-head {
    display: flex;
    align-items: center;
    gap: .75rem;
    width: 100%;
    min-height: var(--touch);
    padding: .625rem .875rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: .9375rem;
    font-weight: 600;
    font-family: inherit;
    text-align: left;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background .15s, color .15s;
}

.nav-group-head:hover {
    background: var(--surface);
    color: var(--text);
}

.nav-chevron {
    flex-shrink: 0;
    width: .5rem;
    height: .5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .15s;
}

.nav-group.is-collapsed .nav-chevron {
    transform: rotate(-45deg);
}

.nav-group.is-collapsed .nav-sub {
    display: none;
}

.nav-group.is-active-group .nav-group-head {
    color: var(--text);
}

.nav-sub {
    display: flex;
    flex-direction: column;
    gap: .125rem;
    padding-left: .5rem;
    margin-left: .875rem;
    border-left: 1px solid var(--border-subtle);
}

.nav-sub-item {
    display: block;
    min-height: 2.25rem;
    padding: .5rem .75rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--text-muted);
    font-size: .8125rem;
    font-weight: 500;
    line-height: 1.3;
    transition: background .15s, color .15s;
}

.nav-sub-item:hover {
    background: var(--surface);
    color: var(--text);
}

.nav-sub-item.is-active {
    background: var(--primary-soft);
    color: #93c5fd;
}

.nav-platform-only .nav-group-head,
.nav-platform-only .nav-sub-item {
    color: #f87171;
}

.nav-platform-only .nav-group-head .nav-icon,
.nav-platform-only .nav-sub-item {
    opacity: 1;
}

.nav-platform-only .nav-sub-item:hover,
.nav-platform-only .nav-group-head:hover,
.nav-platform-only .nav-group.is-active-group .nav-group-head {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.1);
}

.nav-platform-only .nav-sub-item.is-active {
    background: rgba(239, 68, 68, 0.18);
    color: #fecaca;
}

.sidebar-footer {
    padding: .75rem .625rem 1rem;
    border-top: 1px solid var(--border-subtle);
}

.user-chip {
    padding: .75rem .875rem;
    margin-bottom: .5rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    gap: .125rem;
}

.user-chip-label {
    font-size: .6875rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-faint);
}

.user-chip strong {
    font-size: .875rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-email {
    font-size: .75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-logout { color: var(--text-faint); }
.nav-logout:hover { color: #fca5a5; background: var(--danger-soft); }

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
}

.app-header {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: .75rem;
    min-height: var(--header-h);
    padding: .75rem 1rem;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-subtle);
}

.icon-btn {
    display: grid;
    place-items: center;
    width: var(--touch);
    height: var(--touch);
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    color: var(--text);
    cursor: pointer;
    flex-shrink: 0;
}

.icon-btn .icon-bar {
    display: block;
    width: 1.125rem;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    margin: 2px 0;
}

.page-title {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.page-subtitle {
    margin: .125rem 0 0;
    font-size: .8125rem;
    color: var(--text-muted);
}

.app-content {
    flex: 1;
    padding: 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom));
}

/* —— Components —— */
.muted { color: var(--text-muted); }
.mono { font-family: var(--mono); font-size: .8125rem; color: var(--text-faint); }

.panel {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
}

.panel + .panel { margin-top: 1rem; }

.panel-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: 1rem;
}

.panel-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.panel-desc {
    margin: .25rem 0 0;
    font-size: .875rem;
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .75rem;
    margin-bottom: 1rem;
}

.stat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
}

.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.stat-label {
    font-size: .8125rem;
    color: var(--text-muted);
    margin-top: .25rem;
}

.flash {
    padding: .875rem 1rem;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.flash.ok {
    background: var(--success-soft);
    border-color: rgba(34, 197, 94, 0.25);
    color: #86efac;
}

.flash.err {
    background: var(--danger-soft);
    border-color: rgba(239, 68, 68, 0.25);
    color: #fca5a5;
}

.alert {
    background: var(--danger-soft);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #fca5a5;
    padding: .875rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: .875rem;
}

label {
    display: block;
    margin-bottom: .875rem;
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-muted);
}

label span,
label .label-text {
    display: block;
    margin-bottom: .375rem;
}

input, select, textarea {
    width: 100%;
    min-height: var(--touch);
    padding: .625rem .875rem;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color .15s, box-shadow .15s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .375rem;
    min-height: var(--touch);
    padding: .625rem 1rem;
    font-size: .9375rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text);
    background: var(--surface);
    transition: background .15s, border-color .15s, transform .1s;
}

.btn:hover { background: var(--surface-hover); }
.btn:active { transform: scale(0.98); }

.btn.primary {
    background: var(--primary);
    color: #fff;
}

.btn.primary:hover { background: var(--primary-hover); }

.btn.ghost {
    background: transparent;
    border-color: var(--border);
}

.btn.small {
    min-height: 2.25rem;
    padding: .375rem .75rem;
    font-size: .8125rem;
}

.btn.full { width: 100%; }

.toolbar {
    display: flex;
    flex-direction: column;
    gap: .625rem;
    margin-bottom: 1rem;
}

.toolbar-filters {
    display: grid;
    grid-template-columns: 1fr;
    gap: .625rem;
}

.search-wrap { position: relative; }

.search-wrap input {
    padding-left: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2371717a' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85zm-5.242 1.156a5 5 0 1 1 0-10 5 5 0 0 1 0 10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: .875rem center;
}

.client-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .625rem;
}

.client-item {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: .625rem .75rem;
    align-items: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .875rem;
    transition: border-color .15s;
}

.client-item:hover { border-color: var(--surface-hover); }

.client-item.has-action {
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto;
}

.client-item.unassigned-item {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto;
    align-items: start;
}

.status-dot {
    width: .625rem;
    height: .625rem;
    border-radius: 50%;
    flex-shrink: 0;
    align-self: center;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 0 3px var(--success-soft);
}

.status-dot.offline { background: var(--text-faint); }

.client-info {
    display: flex;
    flex-direction: column;
    gap: .125rem;
    min-width: 0;
}

.client-info strong {
    font-size: .9375rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.device-specs {
    font-size: .75rem;
    color: #93c5fd;
    line-height: 1.35;
}

.client-item .btn {
    grid-column: 1 / -1;
    justify-self: stretch;
}

.client-item.has-action .btn {
    grid-column: auto;
    justify-self: end;
    align-self: center;
}

.add-agent-form {
    display: flex;
    flex-direction: column;
    gap: .625rem;
    width: 100%;
    grid-column: 2;
}

.add-agent-form .inline-label { margin: 0; }

.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
    font-size: .9375rem;
}

.footer-note {
    text-align: center;
    padding: 1rem 0 0;
    font-size: .8125rem;
    color: var(--text-faint);
}

/* —— Admin —— */
.admin-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    align-items: stretch;
}

.admin-grid .panel {
    display: flex;
    flex-direction: column;
    margin-top: 0;
}

.admin-grid .panel + .panel {
    margin-top: 0;
}

.admin-panel .panel-header {
    flex-shrink: 0;
}

.admin-form {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 1rem;
    min-height: 0;
}

.admin-form-body {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 1;
}

.admin-form-body label {
    margin-bottom: 1rem;
}

.admin-form-body label:last-of-type {
    margin-bottom: 0;
}

.admin-form-hint {
    margin: .75rem 0 0;
    font-size: .8125rem;
    line-height: 1.45;
    min-height: 2.35rem;
}

.admin-form-hint-spacer {
    visibility: hidden;
    pointer-events: none;
    user-select: none;
}

.admin-form .btn.full {
    flex-shrink: 0;
    margin-top: auto;
}

.admin-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.admin-item {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding: .875rem;
    background: var(--bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
}

.admin-item strong { font-size: .9375rem; }

.admin-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .375rem .75rem;
    font-size: .8125rem;
    color: var(--text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: .125rem .5rem;
    border-radius: 999px;
    font-size: .6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    background: var(--surface);
    color: var(--text-muted);
}

.badge.role-super_admin { background: rgba(139, 92, 246, 0.15); color: #c4b5fd; }
.badge.role-company_admin { background: var(--primary-soft); color: #93c5fd; }
.badge.role-technician { background: var(--success-soft); color: #86efac; }

.admin-hierarchy-panel.carnet-compact {
    margin-bottom: 1rem;
}

.admin-company-tree {
    margin: .75rem 0 0;
    padding: .75rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: rgba(9, 9, 11, 0.35);
}

.admin-company-tree .create-root-group-form {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: .75rem;
}

.admin-company-tree .create-root-group-form input {
    flex: 1;
    min-width: 10rem;
}

.admin-hierarchy-move-select {
    display: none !important;
}

.admin-hierarchy-company-password-btn.is-configured,
.admin-hierarchy-client-password-btn.is-configured {
    color: var(--accent);
}

.admin-hierarchy-password-field {
    display: flex;
    flex-direction: column;
    gap: .375rem;
    margin: .75rem 0 0;
    font-size: .8125rem;
}

.admin-hierarchy-password-field input {
    width: 100%;
}

.admin-hierarchy-company-head .admin-hierarchy-company-password-btn {
    margin-left: auto;
}

.admin-hierarchy-agents-pending {
    margin-top: .75rem;
}

.admin-hierarchy-panel .tree-group-head,
.admin-hierarchy-panel .client-item.tree-client {
    border-radius: var(--radius-sm);
}

.admin-hierarchy-delete-group {
    min-width: 1.75rem;
    min-height: 1.75rem;
    padding: 0 .375rem;
}

.admin-hierarchy-panel .tree-subgroup-form,
.admin-hierarchy-subgroup-form {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    padding: .75rem;
    min-width: 14rem;
}

.admin-hierarchy-panel .tree-subgroup-form input {
    width: 100%;
}

.admin-hierarchy-company.is-collapsed .admin-company-tree {
    display: none;
}

.admin-hierarchy-company-head {
    display: flex;
    align-items: center;
    gap: .375rem;
    flex-wrap: wrap;
}

.admin-hierarchy-company-head .tree-toggle {
    flex-shrink: 0;
}

.admin-hierarchy-panel .tree-section-collapsible.is-collapsed .tree-section-body {
    display: none;
}

.admin-hierarchy-panel { margin-bottom: 1rem; }

.admin-tree {
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-tree-root > .admin-tree-node { margin: 0; }

.admin-tree-children {
    list-style: none;
    margin: 0;
    padding: 0 0 0 .75rem;
    border-left: 2px solid var(--border-subtle);
    margin-left: .625rem;
}

.admin-tree-node { margin: .375rem 0; }

.admin-tree-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .375rem .5rem;
    padding: .5rem .625rem;
    background: var(--bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    min-height: 2.5rem;
}

.admin-tree-platform-row {
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.25);
}

.admin-tree-company-row {
    background: var(--surface);
    border-color: var(--border);
}

.admin-tree-section-head {
    background: transparent;
    border-style: dashed;
    border-color: var(--border-subtle);
}

.admin-tree-group-row {
    background: rgba(99, 102, 241, 0.06);
}

.admin-tree-label {
    font-size: .875rem;
    font-weight: 600;
    flex: 1;
    min-width: 8rem;
}

.admin-tree-meta {
    font-size: .75rem;
}

.admin-tree-icon {
    flex-shrink: 0;
    font-size: .875rem;
    line-height: 1;
}

.admin-tree-empty {
    margin: .5rem 0;
    padding: .75rem;
    font-size: .8125rem;
}

.admin-tree-clients .admin-tree-row {
    min-height: 2.25rem;
    padding: .375rem .625rem;
}

.admin-tree-clients .admin-tree-label {
    font-weight: 500;
}

@media (min-width: 768px) {
    .admin-tree-children {
        padding-left: 1rem;
        margin-left: .875rem;
    }
}

/* —— Download —— */
.install-steps {
    margin: 1.25rem 0 0;
    padding-left: 1.25rem;
    color: var(--text-muted);
    font-size: .875rem;
    line-height: 1.6;
}

.actions {
    display: flex;
    flex-direction: column;
    gap: .625rem;
    margin-top: 1rem;
}

.download-hero {
    margin-bottom: 1.25rem;
}

.download-hero h2 {
    margin: 0 0 .375rem;
    font-size: 1.125rem;
}

/* —— Control —— */
.page-control .app-content { padding-bottom: 0; }

.control-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem 1rem;
    margin-bottom: 1rem;
    font-size: .875rem;
}

.control-meta .client-id-row {
    display: inline-flex;
    vertical-align: middle;
    margin-left: .25rem;
}

.control-meta code {
    font-family: var(--mono);
    background: var(--bg);
    padding: .125rem .375rem;
    border-radius: 4px;
    font-size: .8125rem;
}

.note {
    background: var(--bg);
    border: 1px solid var(--border-subtle);
    padding: .875rem;
    border-radius: var(--radius-sm);
    margin: 1rem 0;
    font-size: .875rem;
}

.control-tabs {
    display: flex;
    gap: .375rem;
    margin: 1rem 0;
    padding: .25rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.control-tabs .tab {
    flex: 1;
    min-height: 2.5rem;
    background: transparent;
    border: none;
    font-size: .875rem;
}

.control-tabs .tab.active {
    background: var(--primary);
    color: #fff;
}

.control-tab-panel.hidden { display: none; }

.control-ws-error {
    margin-bottom: .875rem;
    padding: .875rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid #f59e0b66;
    background: #78350f33;
    color: var(--text);
    font-size: .875rem;
}

.control-ws-error p {
    margin: .5rem 0 0;
}

.control-ws-error code {
    font-size: .8125rem;
    word-break: break-all;
}

.web-viewer-wrap {
    position: relative;
    width: 100%;
    height: min(65dvh, 640px);
    background: #000;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}

.web-viewer-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* —— Carnet tree —— */
.carnet-compact .panel-desc,
.carnet-compact .tree-ungrouped-hint {
    font-size: .75rem;
}

.carnet-compact .client-list {
    gap: .375rem;
}

.carnet-compact .client-item.tree-client {
    grid-template-columns: auto auto 1fr auto;
    grid-template-rows: auto;
    gap: .375rem .5rem;
    padding: .375rem .5rem;
    align-items: center;
    border-radius: var(--radius-sm);
}

.carnet-compact .client-drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.625rem;
    height: 1.625rem;
    padding: 0;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-faint);
    font-size: .875rem;
    line-height: 1;
    cursor: grab;
    touch-action: none;
    flex-shrink: 0;
}

.carnet-compact .client-drag-handle:active {
    cursor: grabbing;
    background: var(--surface);
    color: var(--text-muted);
}

.carnet-compact .status-dot {
    width: .5rem;
    height: .5rem;
    align-self: center;
}

.carnet-compact .status-dot.online {
    box-shadow: 0 0 0 2px var(--success-soft);
}

.carnet-compact .client-info {
    gap: .0625rem;
    min-width: 0;
}

.carnet-compact .client-title-row {
    display: flex;
    align-items: center;
    gap: .375rem;
    min-width: 0;
    flex-wrap: wrap;
}

.carnet-compact .client-display-name {
    font-size: .8125rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.client-rename-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.375rem;
    height: 1.375rem;
    padding: 0;
    border: none;
    border-radius: .25rem;
    background: transparent;
    color: var(--text-faint);
    cursor: pointer;
    flex-shrink: 0;
}

.client-rename-btn:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.rename-dialog-form label {
    display: block;
    margin-bottom: .75rem;
}

.rename-dialog-form input {
    width: 100%;
    min-height: var(--touch);
    margin-top: .375rem;
}

.carnet-compact .client-info strong {
    font-size: .8125rem;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.carnet-compact .client-id {
    font-size: .6875rem;
    color: var(--text-faint);
    flex-shrink: 0;
}

.client-id-row {
    display: inline-flex;
    align-items: center;
    gap: .125rem;
    flex-shrink: 0;
}

.client-copy-id-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.375rem;
    height: 1.375rem;
    padding: 0;
    border: none;
    border-radius: .25rem;
    background: transparent;
    color: var(--text-faint);
    cursor: pointer;
    flex-shrink: 0;
}

.client-copy-id-btn:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.client-copy-id-btn.is-copied {
    color: var(--success);
}

.carnet-compact .device-specs {
    font-size: .625rem;
    line-height: 1.25;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.carnet-compact .client-actions {
    flex-direction: row;
    align-items: center;
    gap: .25rem;
    grid-column: auto;
    width: auto;
}

.carnet-compact .client-control-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 1.5rem;
    min-height: 1.5rem;
    min-width: 0;
    padding: 0 .4375rem;
    font-size: .6875rem;
    line-height: 1;
    white-space: nowrap;
}

.carnet-compact .client-trash-btn,
.carnet-compact .admin-hierarchy-client-password-btn {
    width: 1.5rem;
    min-width: 1.5rem;
    height: 1.5rem;
    min-height: 1.5rem;
    padding: 0;
}

.carnet-compact .client-trash-btn svg {
    width: 13px;
    height: 13px;
}

.carnet-compact .move-client-form--fallback {
    display: none;
}

.carnet-compact .tree-group-head {
    padding: .375rem .5rem;
    gap: .25rem .375rem;
}

.carnet-compact .tree-group-name {
    font-size: .8125rem;
}

.carnet-compact .tree-count {
    font-size: .6875rem;
    padding: .0625rem .375rem;
}

.carnet-compact .tree-toggle {
    width: 1.625rem;
    height: 1.625rem;
}

.carnet-compact .tree-body {
    padding: .25rem 0 0;
}

.carnet-compact .tree-client-list {
    padding: 0 .375rem .375rem !important;
}

.carnet-compact .tree-ungrouped-hint {
    padding: .25rem .5rem 0;
    margin: 0;
}

.carnet-compact .tree-group-actions .btn.small {
    min-height: 1.625rem;
    padding: .125rem .5rem;
    font-size: .6875rem;
}

.tree-drop-zone.is-drop-target,
.tree-drop-zone.is-drop-target > .tree-group-head {
    outline: 2px dashed var(--primary);
    outline-offset: -2px;
    background: var(--primary-soft);
}

.client-item.is-dragging-source {
    opacity: 0.35;
}

.client-drag-ghost {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.92;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
    transform: translate(0, 0);
}

body.carnet-is-dragging {
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

.carnet-tree-panel .create-root-group-form {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    width: 100%;
}

.carnet-tree-panel .create-root-group-form input { flex: 1; min-width: 10rem; }

.carnet-tree-toolbar { flex-direction: column; align-items: stretch !important; }

.carnet-tree { display: flex; flex-direction: column; gap: .75rem; }

.tree-groups, .tree-root { list-style: none; margin: 0; padding: 0; }

.tree-group {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg);
    overflow: hidden;
}

.tree-group + .tree-group { margin-top: .5rem; }

.tree-groups .tree-groups {
    padding: 0 .5rem .5rem calc(.75rem + var(--tree-depth, 0) * .5rem);
}

.tree-group-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .375rem .5rem;
    padding: .625rem .75rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border-subtle);
}

.tree-toggle {
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
}

.tree-toggle:hover { background: var(--bg-elevated); color: var(--text); }

.tree-chevron {
    display: block;
    width: .5rem;
    height: .5rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin: 0 auto;
    transition: transform .15s;
}

.tree-group.is-collapsed .tree-chevron { transform: rotate(-45deg); }
.tree-group.is-collapsed .tree-body { display: none; }

.tree-folder {
    width: 1rem;
    height: .875rem;
    background: var(--primary-soft);
    border: 1px solid rgba(37, 99, 235, 0.35);
    border-radius: 3px;
}

.tree-folder.muted-folder { background: var(--surface); border-color: var(--border); }

.tree-group-name { font-weight: 600; font-size: .9375rem; flex: 1; min-width: 0; }

.tree-count {
    font-size: .75rem;
    padding: .125rem .5rem;
    background: var(--bg-elevated);
    border-radius: 999px;
}

.tree-group-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .25rem;
    margin-left: auto;
}

.tree-details summary { list-style: none; cursor: pointer; }
.tree-details summary::-webkit-details-marker { display: none; }

.tree-subgroup-form {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    padding: .75rem;
    margin-top: .5rem;
    min-width: 14rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.tree-delete-form { margin: 0; }
.danger-text { color: #fca5a5 !important; }
.tree-body { padding: .5rem 0 0; }
.tree-client-list { padding: 0 .5rem .5rem !important; }

.tree-ungrouped {
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: .75rem;
}

.tree-ungrouped-head { border-bottom: 1px dashed var(--border); }

.tree-trash {
    margin-top: .75rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    background: rgba(239, 68, 68, 0.04);
}

.tree-trash-head {
    background: rgba(39, 39, 42, 0.9);
    border-bottom: 1px dashed rgba(239, 68, 68, 0.25);
}

.trash-folder {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.35);
}

.tree-trash-badge {
    font-size: .625rem;
    text-transform: uppercase;
    background: rgba(239, 68, 68, 0.12);
    color: #fca5a5;
}

.tree-trash-empty {
    padding: .75rem 1rem;
    margin: 0;
    font-size: .75rem;
    text-align: center;
}

.tree-trash-list {
    padding: 0 .375rem .375rem !important;
}

.client-item.in-trash {
    opacity: 0.85;
    border-style: dashed;
}

.client-trash-label {
    font-size: .6875rem;
    white-space: nowrap;
}

.client-trash-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    min-width: 1.5rem;
    height: 1.5rem;
    min-height: 1.5rem;
    padding: 0;
    border-color: rgba(239, 68, 68, 0.35);
    background: var(--danger-soft);
}

.btn.icon-btn.client-trash-btn {
    width: 1.5rem;
    min-width: 1.5rem;
    height: 1.5rem;
    min-height: 1.5rem;
}

.client-trash-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
}

body.confirm-open { overflow: hidden; }

.confirm-dialog {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.confirm-dialog[hidden] {
    display: none !important;
}

.confirm-dialog-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
}

.confirm-dialog-panel {
    position: relative;
    width: min(100%, 22rem);
    padding: 1.25rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
}

.confirm-dialog-title {
    margin: 0 0 .5rem;
    font-size: 1.0625rem;
    font-weight: 600;
}

.confirm-dialog-message {
    margin: 0 0 .625rem;
    font-size: .9375rem;
    line-height: 1.45;
}

.confirm-dialog-hint {
    margin: 0 0 1rem;
    font-size: .8125rem;
    line-height: 1.4;
}

.confirm-dialog-actions {
    display: flex;
    flex-direction: column-reverse;
    gap: .5rem;
}

.confirm-dialog-actions .btn {
    min-height: var(--touch);
    justify-content: center;
}

.btn.danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

.btn.danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

@media (min-width: 480px) {
    .confirm-dialog-actions {
        flex-direction: row;
        justify-content: flex-end;
    }

    .confirm-dialog-actions .btn {
        flex: 0 1 auto;
        min-width: 7.5rem;
    }
}

.client-drag-spacer {
    width: 1.625rem;
    flex-shrink: 0;
}

.client-shared-badge {
    font-size: .625rem;
    background: rgba(99, 102, 241, 0.15);
    color: #c4b5fd;
}

.tree-shared {
    margin-top: .75rem;
    border: 1px dashed rgba(99, 102, 241, 0.35);
    border-radius: var(--radius-sm);
    background: rgba(99, 102, 241, 0.04);
}

.tree-shared-head {
    border-bottom: 1px dashed rgba(99, 102, 241, 0.25);
}

.shared-folder {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.35);
}

.tree-shared-list {
    padding: 0 .375rem .375rem !important;
}

.client-item.is-shared {
    border-style: dashed;
}

.client-share-details {
    position: relative;
}

.client-share-details summary {
    list-style: none;
    cursor: pointer;
}

.client-share-details summary::-webkit-details-marker {
    display: none;
}

.client-share-panel {
    margin-top: .375rem;
    padding: .5rem;
    background: var(--bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    min-width: min(100%, 14rem);
}

.client-share-form {
    display: flex;
    flex-direction: column;
    gap: .375rem;
}

.client-share-form select {
    min-height: 1.75rem;
    font-size: .75rem;
}

.client-share-list {
    list-style: none;
    margin: .5rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: .25rem;
}

.client-share-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .375rem;
    font-size: .75rem;
    color: var(--text-muted);
}

.client-unshare-form {
    margin: 0;
}

.tree-ungrouped-hint {
    margin: 0;
    padding: .5rem .75rem 0;
    font-size: .8125rem;
}

.public-link-box {
    margin-top: 1.25rem;
    padding: 1rem;
    background: var(--bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
}

.public-link-box .panel-title {
    margin: 0 0 .375rem;
    font-size: .9375rem;
}

.public-link-row {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-top: .625rem;
}

.public-link-row input {
    flex: 1;
    min-width: 12rem;
    font-size: .8125rem;
}

.download-public-card { width: min(100%, 480px); }

.install-password-panel {
    margin: 0 0 1.25rem;
    padding: 1rem;
    background: var(--bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
}

.install-password-panel .panel-title {
    margin: 0 0 .375rem;
    font-size: .9375rem;
}

.install-password-status {
    margin: 0 0 .75rem;
    font-size: .8125rem;
}

.install-password-form label {
    display: block;
    margin-bottom: .75rem;
}

.password-input-wrap {
    position: relative;
    display: flex;
    align-items: stretch;
    margin-top: .375rem;
}

.password-input-wrap input {
    width: 100%;
    min-height: var(--touch);
    padding-right: 2.75rem;
}

.password-toggle-btn {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    min-height: var(--touch);
    padding: 0;
    border: 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}

.password-toggle-btn:hover,
.password-toggle-btn:focus-visible {
    color: var(--text);
}

.password-toggle-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.password-toggle-icon {
    display: block;
    flex-shrink: 0;
}

.password-toggle-btn[aria-pressed="true"] .password-toggle-icon-show {
    display: none;
}

.password-toggle-btn[aria-pressed="true"] .password-toggle-icon-hide {
    display: block;
}

.password-toggle-btn[aria-pressed="false"] .password-toggle-icon-hide {
    display: none;
}

.install-password-form .password-input-wrap input {
    margin-top: 0;
}

.install-password-form input {
    width: 100%;
    min-height: var(--touch);
    margin-top: .375rem;
}

.install-password-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

@media (min-width: 640px) {
    .install-password-actions .btn.primary {
        flex: 1;
        min-width: 12rem;
    }
}

.client-actions {
    display: flex;
    flex-direction: column;
    gap: .375rem;
    grid-column: 1 / -1;
    width: 100%;
}

.move-client-form select { min-height: 2.25rem; font-size: .8125rem; }

.tree-client.has-action { grid-template-columns: auto 1fr; }

@media (min-width: 768px) {
    .admin-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .admin-panel .panel-header {
        min-height: 4.75rem;
    }
}

/* —— Responsive —— */
@media (min-width: 640px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }

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

    .client-item .btn {
        grid-column: auto;
        justify-self: end;
    }

    .client-item {
        grid-template-columns: auto 1fr auto;
        grid-template-rows: auto;
    }

    .client-item.has-action .btn {
        min-width: 7.5rem;
    }

    .carnet-compact .client-item.has-action .client-control-btn,
    .carnet-compact .client-item.has-action .client-trash-btn {
        min-width: 0;
    }

    .carnet-compact .client-item.tree-client {
        grid-template-columns: auto auto 1fr auto;
    }

    .carnet-compact .client-actions {
        flex-direction: row;
        align-items: center;
        min-width: 0;
        width: auto;
    }

    .carnet-compact .move-client-form--fallback {
        display: block;
    }

    .carnet-compact .move-client-form--fallback select {
        min-height: 1.75rem;
        font-size: .6875rem;
        max-width: 9rem;
    }

    .add-agent-form {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: flex-end;
        grid-column: 2 / -1;
    }

    .add-agent-form .inline-label { flex: 1; min-width: 10rem; }
    .add-agent-form .btn { width: auto; flex-shrink: 0; }

    .carnet-tree-toolbar { flex-direction: row; align-items: flex-start !important; }
    .carnet-tree-panel .create-root-group-form { width: auto; max-width: 22rem; }

    .client-actions {
        grid-column: auto;
        width: auto;
        min-width: 11rem;
    }

    .carnet-compact .client-actions {
        min-width: 0;
    }

    .tree-client.has-action { grid-template-columns: auto 1fr auto; }
}

@media (min-width: 1024px) {
    .sidebar {
        position: sticky;
        transform: none;
        flex-shrink: 0;
    }

    .sidebar-backdrop { display: none !important; }

    .sidebar-toggle { display: none; }

    .app-layout {
        display: grid;
        grid-template-columns: var(--sidebar-w) 1fr;
    }

    .app-main { min-height: 100dvh; }

    .app-content {
        padding: 1.5rem;
        max-width: 72rem;
    }

    .carnet-compact .client-item.tree-client {
        padding: .3125rem .625rem;
    }

    .carnet-compact .client-actions {
        flex-direction: row;
        align-items: center;
    }

    .auth-card { padding: 2rem; }
}

@media (min-width: 1280px) {
    .app-content { padding: 1.75rem 2rem; }
}