:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --surface-strong: #101828;
    --text: #182230;
    --muted: #667085;
    --line: #d9e0ea;
    --accent: #087f8c;
    --accent-strong: #05616b;
    --gold: #d99a2b;
    --success: #198754;
    --shadow: 0 18px 45px rgba(16, 24, 40, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, Segoe UI, Arial, sans-serif;
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
    transition: grid-template-columns 180ms ease;
}

body.sidebar-collapsed .app-shell {
    grid-template-columns: 0 minmax(0, 1fr);
}

.sidebar {
    background: var(--surface-strong);
    color: #f8fafc;
    padding: 24px 18px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden auto;
    transition: transform 180ms ease, padding 180ms ease;
}

body.sidebar-collapsed .sidebar {
    padding-left: 0;
    padding-right: 0;
    transform: translateX(-100%);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 8px 28px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: var(--accent);
    font-weight: 800;
}

.brand-name {
    font-size: 17px;
    font-weight: 700;
}

.nav-list {
    display: grid;
    gap: 6px;
}

.nav-link,
.nav-parent {
    width: 100%;
    padding: 13px 14px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #cbd5e1;
    font: inherit;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

.nav-link:hover,
.nav-link:focus,
.nav-parent:hover,
.nav-parent:focus {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.nav-group {
    display: grid;
    gap: 4px;
}

.nav-parent::after {
    content: "▾";
    float: right;
}

.nav-group:not(.open) .nav-parent::after {
    content: "▸";
}

.nav-children {
    display: grid;
    gap: 4px;
    padding-left: 12px;
}

.nav-group:not(.open) .nav-children {
    display: none;
}

.nav-sublink {
    padding: 10px 12px;
    border-radius: 8px;
    color: #dbe4ef;
    font-size: 14px;
    font-weight: 600;
}

.nav-sublink:hover,
.nav-sublink:focus {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.main-panel {
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 92px;
    padding: 18px 32px;
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 5;
}

.topbar h1,
.hero-band h2,
.empty-state h2 {
    margin: 0;
    letter-spacing: 0;
}

.topbar h1 {
    font-size: 25px;
}

.eyebrow {
    margin: 0 0 5px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.menu-toggle {
    display: block;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 5px auto;
    background: var(--text);
}

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

.user-chip {
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    font-weight: 700;
}

.logout-link {
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--muted);
    font-weight: 700;
}

.content {
    padding: 28px 32px 48px;
}

.hero-band {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px;
    border-radius: 8px;
    background: #ffffff;
    box-shadow: var(--shadow);
}

.hero-band h2 {
    max-width: 760px;
    font-size: 32px;
    line-height: 1.15;
}

.primary-action {
    flex: 0 0 auto;
    padding: 13px 18px;
    border-radius: 8px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 800;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin: 22px 0;
}

.metric-card,
.panel,
.empty-state {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.metric-card {
    display: grid;
    gap: 8px;
    padding: 20px;
}

.metric-card span,
.panel-heading span,
.empty-state p,
.task-list span {
    color: var(--muted);
}

.metric-card strong {
    font-size: 30px;
}

.metric-card em {
    color: var(--success);
    font-style: normal;
    font-weight: 800;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.8fr);
    gap: 18px;
}

.panel {
    padding: 22px;
}

.panel-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.panel-heading h3 {
    margin: 0;
    font-size: 18px;
}

.task-list {
    display: grid;
    gap: 12px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.task-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
}

.task-list li:last-child {
    border-bottom: 0;
}

.empty-state {
    display: grid;
    place-items: start;
    gap: 8px;
    min-height: 340px;
    padding: 42px;
}

.empty-state h2 {
    font-size: 34px;
}

.empty-state p {
    max-width: 560px;
    line-height: 1.6;
}

.auth-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
    background: linear-gradient(135deg, #eef7f8 0%, #f7f9fc 48%, #fff7ea 100%);
}

.login-shell {
    width: min(100%, 460px);
}

.login-panel {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}

.login-brand h1 {
    margin: 0;
    font-size: 28px;
}

.login-form {
    display: grid;
    gap: 16px;
}

.login-form label {
    display: grid;
    gap: 8px;
    color: var(--muted);
    font-weight: 700;
}

.login-form input {
    width: 100%;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 12px;
    color: var(--text);
    font: inherit;
}

.login-form input:focus {
    border-color: var(--accent);
    outline: 3px solid rgba(8, 127, 140, 0.14);
}

.login-form .primary-action {
    border: 0;
    cursor: pointer;
}

.alert-error {
    margin-bottom: 16px;
    padding: 12px 14px;
    border: 1px solid #f0b7b7;
    border-radius: 8px;
    background: #fff1f1;
    color: #9f1f1f;
    font-weight: 700;
}

.module-grid {
    display: grid;
    grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
    gap: 18px;
    align-items: start;
}

.list-only-grid {
    grid-template-columns: 1fr;
}

.crm-form {
    display: grid;
    gap: 18px;
}

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

.form-grid label {
    display: grid;
    gap: 7px;
    min-width: 0;
    color: var(--muted);
    font-weight: 700;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 11px;
    color: var(--text);
    background: #ffffff;
    font: inherit;
}

.form-grid textarea {
    resize: vertical;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
    border-color: var(--accent);
    outline: 3px solid rgba(8, 127, 140, 0.14);
}

.span-2 {
    grid-column: span 2;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.table-filter-bar {
    margin-bottom: 14px;
}

.table-filter-bar input {
    width: min(100%, 360px);
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 12px;
    color: var(--text);
    background: #ffffff;
    font: inherit;
}

.table-filter-bar input:focus {
    border-color: var(--accent);
    outline: 3px solid rgba(8, 127, 140, 0.14);
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 16px;
}

.pagination a,
.pagination span {
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    color: var(--text);
    font-weight: 700;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}

.data-table th,
.data-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.data-table th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

.data-table strong {
    color: var(--accent-strong);
    font-weight: 900;
}

.users-grid {
    grid-template-columns: minmax(420px, 0.95fr) minmax(0, 1.05fr);
}

.form-section-title {
    padding-top: 4px;
    color: var(--text);
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
}

.permission-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.check-card {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    min-height: 58px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #ffffff;
    cursor: pointer;
}

.check-card input {
    margin-top: 4px;
}

.check-card span {
    display: grid;
    gap: 3px;
}

.check-card strong {
    color: var(--text);
}

.check-card small,
.data-table span {
    color: var(--muted);
}

.table-action {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--accent-strong);
    font-weight: 800;
}

.permission-note {
    min-height: 160px;
}

.permission-note h3 {
    margin: 0 0 8px;
}

.permission-note p {
    margin: 0;
    color: var(--muted);
    line-height: 1.5;
}

.permission-page-grid {
    grid-template-columns: minmax(280px, 0.45fr) minmax(0, 1.55fr);
}

.single-column {
    grid-template-columns: 1fr;
}

.selected-user-card {
    display: grid;
    gap: 4px;
    margin-top: 18px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
}

.selected-user-card span {
    color: var(--muted);
}

.permission-matrix {
    display: grid;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.permission-row {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 150px 180px;
    align-items: center;
    min-height: 58px;
    border-bottom: 1px solid var(--line);
}

.permission-row:last-child {
    border-bottom: 0;
}

.permission-row > span {
    display: grid;
    gap: 3px;
    padding: 12px;
}

.permission-row small {
    color: var(--muted);
}

.permission-head {
    min-height: 44px;
    background: #f8fafc;
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.matrix-check {
    display: grid;
    place-items: center;
    height: 100%;
    border-left: 1px solid var(--line);
}

.matrix-check input {
    width: 18px;
    height: 18px;
}

body.nav-open {
    overflow: hidden;
}

@media (max-width: 1080px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .module-grid {
        grid-template-columns: 1fr;
    }

    .users-grid {
        grid-template-columns: 1fr;
    }

    .permission-page-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 820px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    body.sidebar-collapsed .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: min(84vw, 320px);
        transform: translateX(-100%);
        transition: transform 180ms ease;
        z-index: 20;
    }

    body.sidebar-collapsed .sidebar {
        padding: 24px 18px;
    }

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

    .topbar {
        padding: 14px 18px;
    }

    .content {
        padding: 20px 18px 36px;
    }

    .hero-band {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-band h2 {
        font-size: 25px;
    }
}

@media (max-width: 560px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .topbar h1 {
        font-size: 20px;
    }

    .topbar-actions {
        display: none;
    }

    .primary-action {
        width: 100%;
        text-align: center;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .span-2 {
        grid-column: span 1;
    }

    .permission-grid {
        grid-template-columns: 1fr;
    }

    .permission-row {
        grid-template-columns: minmax(150px, 1fr) 92px 110px;
    }
}