:root {
    --ink: #3f4249;
    --muted: #71767f;
    --line: #e7eaec;
    --bg: #f1f5f6;
    --card: #fff;
    --primary: #246b2b;
    --primary-dark: #195320;
    --danger: #c93434;
    --sidebar: #fff;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); font-size: 14px; }
a { color: var(--primary); text-decoration: none; }
button, input, select, textarea { font: inherit; }
.app-shell { min-height: 100vh; }
.sidebar { width: 280px; position: fixed; inset: 0 auto 0 0; background: var(--sidebar); color: var(--ink); padding: 0 24px 20px; display: flex; flex-direction: column; border-right: 1px solid #e9edef; box-shadow: 8px 0 24px rgba(42, 52, 56, .05); z-index: 20; }
.brand { min-height: 64px; display: flex; align-items: center; color: inherit; padding: 8px 0; }
.brand-logo-frame { width: 100%; max-width: 165px; padding: 0; background: transparent; }
.brand-logo { display: block; width: 100%; height: auto; }
.brand-name { display: none; font-size: 15px; font-weight: 750; letter-spacing: .01em; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; margin-top: 12px; }
.nav-label { padding: 0 0 8px; color: #245e29; font-size: 12px; font-weight: 800; letter-spacing: .04em; }
.nav-link { color: #4f535a; padding: 11px 13px; border-radius: 5px; }
.nav-link:hover { background: #f3f8f2; color: #225d28; }
.nav-link.active { background: #e6f9e3; color: #225d28; font-weight: 700; }
.nav-group-toggle { width: 100%; border: 0; background: transparent; display: flex; align-items: center; justify-content: space-between; text-align: left; cursor: pointer; font: inherit; }
.nav-chevron { transition: transform .2s ease; }
.nav-group.open > .nav-group-toggle > .nav-chevron { transform: rotate(180deg); }
.nav-submenu { display: none; padding: 4px 0 4px 16px; }
.nav-group.open > .nav-submenu { display: grid; gap: 3px; }
.nav-sublink { color: #666b72; padding: 9px 12px; border-left: 1px solid #dfe5df; border-radius: 0 5px 5px 0; }
.nav-sublink:hover, .nav-sublink.active { color: #225d28; background: #f0faee; border-left-color: #65a969; }
.sidebar-user { margin-top: auto; border-top: 1px solid #eceff0; padding: 18px 10px 0; display: grid; gap: 3px; }
.sidebar-user small { color: var(--muted); }
.link-button, .danger-link { background: none; border: 0; padding: 5px 0; color: var(--primary); cursor: pointer; text-align: left; }
.danger-link { color: var(--danger); }
.sidebar-backdrop { display: none; }
.main { margin-left: 280px; min-height: 100vh; background: var(--bg); }
.topbar { height: 64px; background: #fff; border-bottom: 1px solid #e9edef; box-shadow: 0 5px 16px rgba(35, 49, 53, .06); display: flex; align-items: center; padding: 0 30px; font-size: 20px; font-weight: 500; position: sticky; top: 0; z-index: 10; }
.menu-toggle { display: none; border: 0; background: none; font-size: 22px; margin-right: 12px; }
.content { width: 100%; min-height: calc(100vh - 64px); padding: 30px; }
.page-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.page-heading h1 { font-size: 25px; margin: 0 0 5px; }
.page-heading p, .muted { color: var(--muted); margin: 0; }
.card { background: var(--card); border: 1px solid #edf0f1; border-radius: 5px; padding: 24px; box-shadow: 0 8px 22px rgba(37, 48, 52, .09); }
.card h2 { margin-top: 0; font-size: 18px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.stat-card { min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: 13px; padding: 20px; display: grid; gap: 10px; }
.stat-card span { color: var(--muted); }
.stat-card strong { font-size: 30px; }
.steps { color: var(--muted); line-height: 2; }
.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 8px; padding: 9px 14px; font-weight: 650; cursor: pointer; }
.button.primary { background: var(--primary); color: #fff; }
.button.primary:hover { background: var(--primary-dark); }
.button.secondary { background: #fff; border-color: #d0d5dd; color: #344054; }
.stack { display: grid; gap: 22px; }
label { display: grid; gap: 7px; font-weight: 600; color: #344054; }
input, select, textarea { width: 100%; border: 1px solid #d0d5dd; border-radius: 8px; padding: 10px 11px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(36, 107, 43, .12); border-color: #72a977; }
input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--primary); }
.check-row { display: flex; align-items: center; gap: 9px; }
.field-check { align-self: end; min-height: 41px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.span-2 { grid-column: span 2; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; border-top: 1px solid var(--line); padding-top: 18px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; }
.section-heading h2 { margin: 0 0 4px; }
.section-heading p { margin: 0; color: var(--muted); }
.permission-list { display: grid; gap: 12px; }
.permission-row { display: grid; grid-template-columns: 1fr 1fr 1.3fr 38px; gap: 12px; align-items: end; background: #f8f9fc; border: 1px solid var(--line); padding: 14px; border-radius: 10px; }
.icon-button { width: 38px; height: 40px; border: 1px solid #e6baba; background: #fff1f1; color: var(--danger); border-radius: 8px; font-size: 23px; cursor: pointer; }
.table-card { padding: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; min-width: 680px; border-collapse: collapse; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); }
th { background: #f9fafb; color: #475467; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td strong, td small { display: block; }
td small { color: var(--muted); margin-top: 3px; }
.actions { display: flex; align-items: center; justify-content: flex-end; gap: 13px; white-space: nowrap; }
.actions form { display: inline; }
.badge { display: inline-flex; border-radius: 99px; padding: 4px 9px; font-size: 12px; font-weight: 650; }
.badge.green { background: #e8f8ef; color: #18794e; }
.badge.gray { background: #eef0f3; color: #596273; }
.badge.blue { background: #eaf0ff; color: #3157d5; }
.badges { display: flex; gap: 5px; flex-wrap: wrap; }
.empty { text-align: center; color: var(--muted); padding: 30px; }
.alert { padding: 13px 16px; border-radius: 9px; margin-bottom: 18px; }
.alert ul { margin: 7px 0 0; }
.alert.success { background: #e9f8ef; color: #166b46; border: 1px solid #bde7cc; }
.alert.danger { background: #fff0f0; color: #9f2727; border: 1px solid #f0c3c3; }
.access-tree { display: grid; gap: 13px; }
.access-menu-group { display: grid; gap: 10px; }
.access-menu { border: 1px solid var(--line); border-radius: 11px; overflow: hidden; }
.submenu-access-tree { display: grid; gap: 10px; margin-left: 28px; padding-left: 15px; border-left: 2px solid #d9e0f5; }
.menu-check { display: flex; align-items: center; gap: 10px; padding: 14px; background: #f8f9fc; }
.menu-check span, .role-option span, .check-row span { display: grid; }
.menu-check small, .role-option small, .check-row small { color: var(--muted); font-weight: 400; margin-top: 2px; }
.permission-checks { padding: 14px 20px 14px 48px; display: grid; gap: 12px; }
.role-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.role-option { display: flex; align-items: flex-start; gap: 10px; border: 1px solid var(--line); padding: 14px; border-radius: 10px; }
.role-option:has(input:checked) { border-color: #8ca2eb; background: #f4f6ff; }
.search-box { position: relative; max-width: 700px; }
.search-results { position: absolute; z-index: 5; top: 72px; left: 0; right: 0; max-height: 320px; overflow-y: auto; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 10px 30px rgba(16, 24, 40, .13); }
.search-result { width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 12px 14px; background: #fff; text-align: left; display: grid; gap: 3px; cursor: pointer; }
.search-result:hover { background: #f7f8fb; }
.search-result small { color: var(--muted); }
.selected-user { border: 1px solid #aab9eb; background: #f4f6ff; padding: 14px; border-radius: 10px; display: flex; justify-content: space-between; align-items: center; }
.selected-user div { display: grid; gap: 3px; }
.selected-user span { color: var(--muted); }
.hidden { display: none; }
.login-page { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(circle at top, #e9efff, #f7f8fb 50%); }
.login-card { width: min(410px, calc(100% - 32px)); background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 30px; box-shadow: 0 18px 60px rgba(31, 50, 95, .12); }
.login-brand { min-height: auto; display: grid; justify-items: center; gap: 8px; padding: 0 0 8px; text-align: center; }
.login-brand .brand-logo-frame { max-width: 200px; padding: 4px; }
.login-brand .brand-name { display: block; color: var(--ink); font-size: 20px; }
.login-card > .muted { margin-bottom: 24px; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
code { background: #f1f3f6; padding: 2px 5px; border-radius: 4px; }
.welcome-card { max-width: 720px; }
.welcome-card h1 { margin: 0 0 18px; font-size: clamp(24px, 4vw, 32px); }
.welcome-card > p { margin: 0 0 10px; }
.role-summary { margin: 0; padding-left: 22px; line-height: 1.9; }
.pagination { margin-top: 16px; display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.pagination-status { color: var(--muted); }
.button.disabled { opacity: .55; cursor: not-allowed; }

@media (max-width: 900px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .sidebar { transform: translateX(-100%); transition: transform .2s; box-shadow: none; }
    .sidebar-open { overflow: hidden; }
    .sidebar-open .sidebar { transform: none; box-shadow: 12px 0 30px rgba(0, 0, 0, .2); }
    .sidebar-backdrop { position: fixed; inset: 0; border: 0; background: rgba(11, 18, 32, .48); z-index: 19; }
    .sidebar-open .sidebar-backdrop { display: block; }
    .main { margin-left: 0; }
    .menu-toggle { display: block; min-width: 44px; min-height: 44px; cursor: pointer; }
    .content { padding: 20px; }
    .permission-row { grid-template-columns: 1fr 1fr; }
    .permission-row .icon-button { grid-column: 2; justify-self: end; }
    .role-list { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .stats-grid, .form-grid { grid-template-columns: 1fr; }
    .span-2 { grid-column: auto; }
    .page-heading { align-items: stretch; flex-direction: column; }
    .page-heading > .button { width: 100%; }
    .content { padding: 16px; }
    .card { padding: 16px; }
    .permission-row { grid-template-columns: 1fr; }
    .permission-row .icon-button { grid-column: auto; }
    .topbar { padding: 0 10px; }
    .form-actions { flex-direction: column-reverse; }
    .form-actions .button, .section-heading .button { width: 100%; }
    .section-heading { align-items: flex-start; gap: 12px; flex-direction: column; }
    .permission-checks { padding-left: 20px; }
    .submenu-access-tree { margin-left: 10px; padding-left: 10px; }
    .selected-user { align-items: flex-start; gap: 12px; flex-direction: column; }
    .pagination { justify-content: space-between; flex-wrap: wrap; }
    .pagination-status { width: 100%; order: -1; text-align: center; }
}

.nav-submenu .nav-submenu { padding-left: 12px; }
.nav-submenu .nav-group-toggle { border-left: 1px solid #dfe5df; }
.nav-subsub-link { font-size: 13px; }