:root {
    --navy: #0a1924;
    --accent: #b7895b;
    --bg: #f2f1ed;
    --line: #d9d8d3;
    --ink: #18252e;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 "Segoe UI", Arial, sans-serif; }
a { color: inherit; }

.admin-sidebar { position: fixed; inset: 0 auto 0 0; width: 250px; padding: 34px 26px; background: var(--navy); color: #dbe0e3; display: flex; flex-direction: column; }
.admin-brand { display: flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; letter-spacing: .18em; }
.admin-brand b { display: grid; place-items: center; width: 38px; height: 44px; border: 1px solid var(--accent); color: var(--accent); font: 26px Georgia, serif; }
.admin-brand img { width: auto; max-width: 150px; height: 48px; object-fit: contain; }
.login-brand img { max-width: 180px; }
.admin-brand small { display: block; margin-top: 5px; color: #7e8d97; font-size: 8px; }
.admin-sidebar nav { display: flex; flex-direction: column; gap: 5px; margin-top: 60px; }
.admin-sidebar nav a { padding: 12px 14px; color: #aeb9c0; text-decoration: none; border-left: 2px solid transparent; }
.admin-sidebar nav a:hover, .admin-sidebar nav a:focus-visible { color: #fff; border-color: var(--accent); background: rgba(255,255,255,.04); }
.admin-sidebar form { margin-top: auto; }
.admin-sidebar button { width: 100%; padding: 12px; color: #abb6bd; background: transparent; border: 1px solid #31404a; cursor: pointer; }

.admin-main { margin-left: 250px; padding: 45px 5vw; }
.admin-main > header { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 35px; }
.admin-main h1 { margin: 2px 0; font: 36px Georgia, serif; font-weight: 400; }
.admin-main header small { color: #87735e; letter-spacing: .18em; }
.panel, .stat { background: #fff; border: 1px solid var(--line); }
.panel { padding: 28px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 24px; }
.stat { padding: 28px; }
.stat span { color: #7b858a; font-size: 11px; text-transform: uppercase; letter-spacing: .12em; }
.stat strong { display: block; margin-top: 10px; font: 38px Georgia, serif; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 11px 16px; background: var(--navy); color: #fff; border: 0; text-decoration: none; cursor: pointer; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.danger { background: #7c2929; }

table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: #738089; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.badge { padding: 5px 8px; background: #e3eee7; color: #356345; font-size: 10px; }
.badge.off { background: #eee7e3; color: #705449; }
.actions { display: flex; gap: 8px; min-width: max-content; }
.actions form { margin: 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 11px; font-weight: 600; letter-spacing: .06em; }
.field input, .field textarea, .field select { width: 100%; min-width: 0; padding: 12px; border: 1px solid #cacac5; background: #fff; font: inherit; }
.field textarea { min-height: 120px; resize: vertical; }
.field textarea.editor { min-height: 330px; }
.checks { display: flex; flex-direction: row; gap: 25px; align-items: center; flex-wrap: wrap; }
.checks input { width: auto; }
.validation-summary-errors, .field-validation-error { color: #9a2929; }
.input-validation-error { border-color: #9a2929 !important; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 25px; }
.alert { margin-bottom: 20px; padding: 14px; background: #dfece3; color: #315c3c; }
.error-alert { background: #f2dddd; color: #812d2d; }

.login-page { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(120deg,#07141e,#122b3b); }
.login-card { width: min(430px, calc(100% - 32px)); padding: 45px; background: #fff; }
.login-card h1 { font: 38px Georgia, serif; font-weight: 400; }
.login-card .field { margin-bottom: 18px; }

@media (max-width: 800px) {
    .admin-sidebar { position: static; width: auto; min-height: 0; padding: 25px 16px; }
    .admin-sidebar nav { margin-top: 25px; flex-direction: row; flex-wrap: wrap; }
    .admin-sidebar nav a { flex: 1 1 150px; }
    .admin-sidebar form { margin-top: 20px; }
    .admin-main { margin: 0; padding: 25px 16px; }
    .admin-main > header { align-items: flex-start; }
    .admin-main h1 { font-size: 30px; }
    .stats, .form-grid { grid-template-columns: 1fr; }
    .field.full { grid-column: auto; }
    .panel { padding: 20px; }
    table { display: block; max-width: 100%; overflow-x: auto; white-space: nowrap; }
    .login-card { padding: 30px 24px; }
}