:root {
    --app-sidebar: #172033;
    --app-bg: #f4f6f9;
    --app-border: #e5e7eb;
}

body {
    letter-spacing: 0;
}

.brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #0d6efd;
    color: #fff;
    font-size: 1.35rem;
}

.brand-mark.small {
    width: 32px;
    height: 32px;
    font-size: 1rem;
}

.front-hero {
    min-height: calc(100vh - 58px);
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, #ffffff 0%, #eef4ff 100%);
}

.section-kicker {
    display: inline-flex;
    color: #0d6efd;
    font-weight: 700;
    font-size: .8rem;
    text-transform: uppercase;
}

.feature-panel,
.panel,
.metric-card,
.setup-shell {
    border-radius: 8px;
    background: #fff;
    border: 1px solid var(--app-border);
    box-shadow: 0 12px 30px rgba(15, 23, 42, .06);
}

.feature-panel {
    padding: 1rem;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .85rem;
    border-bottom: 1px solid var(--app-border);
}

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

.feature-row i {
    color: #0d6efd;
    font-size: 1.25rem;
}

.login-page,
.setup-page {
    background: var(--app-bg);
}

.setup-shell {
    display: grid;
    grid-template-columns: 300px 1fr;
    overflow: hidden;
}

.setup-aside {
    background: var(--app-sidebar);
    color: #fff;
    padding: 2rem;
}

.setup-content {
    padding: 2rem;
}

.setup-step {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .65rem 0;
    color: rgba(255, 255, 255, .68);
}

.setup-step span {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .12);
}

.setup-step.active {
    color: #fff;
}

.admin-body {
    background: var(--app-bg);
}

.admin-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 260px 1fr;
}

.admin-sidebar {
    background: var(--app-sidebar);
    color: #fff;
    padding: 1rem;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    padding: .5rem;
    margin-bottom: 1rem;
}

.admin-nav {
    display: grid;
    gap: .25rem;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: rgba(255, 255, 255, .75);
    text-decoration: none;
    padding: .75rem;
    border-radius: 8px;
}

.admin-nav a.active,
.admin-nav a:hover {
    background: rgba(255, 255, 255, .1);
    color: #fff;
}

.admin-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    border-bottom: 1px solid var(--app-border);
    padding: 0 1.5rem;
}

.admin-content {
    padding: 1.5rem;
    flex: 1;
}

.admin-footer {
    display: flex;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    color: #6c757d;
    border-top: 1px solid var(--app-border);
    background: #fff;
    font-size: .875rem;
}

.metric-card {
    padding: 1rem;
    display: grid;
    gap: .25rem;
}

.metric-card i {
    color: #0d6efd;
    font-size: 1.35rem;
}

.metric-card span {
    color: #6c757d;
    font-size: .875rem;
}

.metric-card strong {
    font-size: 2rem;
    line-height: 1;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--app-border);
}

.panel-body {
    padding: 1rem;
}

.table th {
    background: #f8fafc;
    color: #64748b;
    font-size: .75rem;
    text-transform: uppercase;
}

.table-form td {
    vertical-align: top;
}

.table-actions-row td {
    background: #fbfdff;
    border-top: 0;
    padding-top: 0;
}

.empty-state {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: .5rem;
    color: #64748b;
    padding: 2rem;
}

.empty-state.compact {
    min-height: 160px;
}

.empty-state i {
    font-size: 2.25rem;
    color: #0d6efd;
}

.empty-state strong {
    color: #0f172a;
}

.code-box,
.log-box {
    background: #111827;
    color: #f9fafb;
    border-radius: 8px;
    padding: 1rem;
    white-space: pre-wrap;
    overflow-x: auto;
    font-size: .875rem;
}

@media (max-width: 900px) {
    .setup-shell,
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }
}