:root {
    --blue-900: #0b2f6b;
    --blue-800: #0f448f;
    --blue-700: #135bb8;
    --blue-600: #1769d3;
    --blue-100: #e8f1ff;
    --cyan-600: #009eb3;
    --green-600: #1faa59;
    --ink: #152033;
    --muted: #667085;
    --line: #d9e4f2;
    --soft: #f5f8fc;
    --white: #ffffff;
    --danger: #c03434;
    --warning: #a15c00;
    --radius: 8px;
    --shadow: 0 16px 40px rgba(11, 47, 107, .12);
    --font: "Poppins", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: var(--font);
    line-height: 1.5;
}
h1, h2, h3, h4, .brand, .btn, .main-nav, .admin-menu { font-weight: 600; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--blue-700);
    color: var(--white);
    font-weight: 600;
    cursor: pointer;
}
.btn.secondary { background: var(--white); color: var(--blue-800); border-color: var(--line); }
.btn.ghost { background: transparent; color: var(--blue-800); border-color: transparent; }
.btn.danger { background: var(--danger); }
.badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--blue-100);
    color: var(--blue-800);
    font-size: 12px;
    font-weight: 600;
}
.muted { color: var(--muted); }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 760px) {
    .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
    .container { width: min(100% - 24px, 1120px); }
}