:root {
    --boss-bg: #f6f7f9;
    --boss-card: #ffffff;
    --boss-text: #111827;
    --boss-muted: #6b7280;
    --boss-border: #e5e7eb;
    --boss-primary: #111827;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--boss-text);
    background: var(--boss-bg);
    line-height: 1.45;
}

.boss-shell {
    max-width: 820px;
    margin: 48px auto;
    padding: 0 16px;
}

.boss-card {
    background: var(--boss-card);
    border: 1px solid var(--boss-border);
    border-radius: 10px;
    padding: 20px;
}

.boss-header {
    margin-bottom: 16px;
}

.boss-header h1 {
    margin: 0 0 6px 0;
    font-size: 20px;
}

.boss-header p {
    margin: 0;
    color: var(--boss-muted);
}

.boss-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: flex-end;
    margin-top: 8px;
}

.boss-link {
    color: var(--boss-primary);
    text-decoration: underline;
}

.boss-field {
    display: grid;
    gap: 6px;
    margin: 12px 0;
}

.boss-field label {
    font-size: 13px;
    color: var(--boss-muted);
}

.boss-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--boss-border);
    border-radius: 8px;
    background: #fff;
    font-size: 14px;
}

.boss-button {
    appearance: none;
    border: 0;
    border-radius: 8px;
    padding: 10px 12px;
    background: var(--boss-primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

.boss-alert {
    margin: 12px 0;
    padding: 10px 12px;
    border: 1px solid var(--boss-border);
    border-radius: 8px;
    background: #fff;
    color: var(--boss-text);
}

.boss-muted {
    color: var(--boss-muted);
}

.boss-list {
    margin: 10px 0 0 0;
    padding-left: 18px;
}


.boss-shell--with-nav {
    max-width: 1100px;
}

.boss-layout {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.boss-main {
    flex: 1;
    min-width: 0;
}

.boss-nav {
    width: 220px;
    padding: 16px;
}

.boss-nav-title {
    font-weight: 700;
    margin-bottom: 10px;
}

.boss-nav-link {
    display: block;
    padding: 8px 10px;
    border-radius: 8px;
    color: var(--boss-text);
    text-decoration: none;
}

.boss-nav-link:hover {
    background: #f3f4f6;
}

.boss-nav-link--active {
    background: #eef2ff;
    border: 1px solid var(--boss-border);
}

@media (max-width: 900px) {
    .boss-shell--with-nav {
        max-width: 820px;
    }

    .boss-layout {
        flex-direction: column;
    }

    .boss-nav {
        width: 100%;
    }
}