:root {
    --admin-bg: #efede6;
    --admin-sidebar: #303636;
    --admin-accent: #af3e40;
    --admin-text: #303636;
    --admin-muted: #495e5b;
    --admin-radius: 10px;
    --admin-font: "Segoe UI", system-ui, sans-serif;
}

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

body.admin-body {
    margin: 0;
    font-family: var(--admin-font);
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 8px;
    background: #fff;
    padding: 8px 12px;
    z-index: 20;
}
.skip-link:focus { left: 8px; }

.admin-shell { min-height: 100vh; }

.admin-topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 20px;
}

.topbar-title { display: flex; flex-direction: column; }
.topbar-title span { color: var(--admin-muted); font-size: 13px; }
.topbar-user { margin-left: auto; font-size: 14px; }

.nav-toggle {
    display: none;
    border: 1px solid #d1d5db;
    background: #fff;
    border-radius: 8px;
    padding: 8px 12px;
    cursor: pointer;
}

.admin-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: calc(100vh - 61px);
}

.admin-nav {
    background: var(--admin-sidebar);
    color: #e5e7eb;
    padding: 16px 0;
    display: flex;
    flex-direction: column;
}

.admin-nav a {
    color: inherit;
    text-decoration: none;
    padding: 12px 20px;
    font-size: 15px;
}

.admin-nav a:hover,
.admin-nav a.is-active {
    background: #af3e40;
    color: #fff;
}

.admin-nav a:focus-visible {
    outline: 2px solid #efede6;
    outline-offset: -2px;
}

.admin-main {
    padding: 28px 32px 48px;
    max-width: 1100px;
}

.admin-main h1 {
    margin: 0 0 20px;
    font-size: 28px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: #fff;
    border-radius: var(--admin-radius);
    padding: 16px 18px;
    box-shadow: 0 1px 2px rgba(0,0,0,.05);
}

.stat-card h2 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--admin-muted);
    margin: 0 0 8px;
}

.stat-card p {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
}

.button-row,
.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 10px;
    padding: 10px 16px;
    font: inherit;
    font-weight: 650;
    text-decoration: none;
    cursor: pointer;
    background: #e6ddd0;
    color: #303636;
}

.btn-primary { background: var(--admin-accent); color: #fff; }
.btn-secondary { background: #fff; border: 1px solid #c9c3b8; }
.btn-danger { background: #8b2e30; color: #fff; }
.btn-ghost { background: transparent; }
.btn-small { padding: 6px 10px; font-size: 13px; }
.btn-block { width: 100%; min-height: 44px; }
.btn:focus-visible { outline: 3px solid #af3e40; outline-offset: 2px; }

.admin-form {
    background: #fff;
    padding: 24px;
    border-radius: var(--admin-radius);
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 720px;
}

.admin-form label,
.filter-bar label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 600;
    font-size: 14px;
}

.admin-form input,
.admin-form select,
.admin-form textarea,
.filter-bar input,
.filter-bar select {
    font: inherit;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
}

.form-hint { color: var(--admin-muted); font-size: 14px; }
.radio, .check { flex-direction: row !important; align-items: center; gap: 8px !important; font-weight: 500 !important; }

.flash {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 16px;
}
.flash-success { background: #dcfce7; color: #166534; }
.flash-error { background: #fee2e2; color: #991b1b; }
.flash-warning { background: #ffedd5; color: #9a3412; }

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: end;
    margin-bottom: 16px;
}

.table-wrap { overflow: auto; background: #fff; border-radius: var(--admin-radius); }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 10px 12px; border-bottom: 1px solid #e5e7eb; text-align: left; vertical-align: top; }
.data-table th { font-size: 13px; color: var(--admin-muted); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.inline-form { display: inline; }
.detail-row td { color: #4b5563; font-size: 13px; background: #f9fafb; }

.pagination { display: flex; gap: 6px; margin-top: 16px; flex-wrap: wrap; }
.pagination a {
    min-width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
}
.pagination a.is-active { background: var(--admin-accent); color: #fff; }

.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.login-body, .install-body {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card, .install-wrap {
    width: min(480px, 100%);
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, .08);
}

.login-card h1, .install-wrap h1 { margin: 0 0 8px; }
.login-sub, .install-step { color: var(--admin-muted); margin: 0 0 20px; }

.install-progress {
    display: flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}
.install-progress li {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #e5e7eb;
    font-weight: 700;
}
.install-progress li.is-current { background: var(--admin-accent); color: #fff; }
.install-progress li.is-done { background: #16a34a; color: #fff; }
.install-summary { padding-left: 18px; }

@media (max-width: 860px) {
    .nav-toggle { display: inline-flex; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-nav { display: none; }
    .admin-nav.is-open { display: flex; }
    .admin-main { padding: 20px 16px 40px; }
}