:root {
    --bs-primary: #1f6feb;
}
body {
    background: #f3f5f9;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
}
.card { border-radius: 14px; border: 1px solid #e5e7eb; }
.card-header { border-radius: 14px 14px 0 0 !important; border-bottom: 1px solid #e5e7eb; }
table { font-size: 0.93rem; }
table th { white-space: nowrap; }
.actions a { margin-right: 4px; }
.code-box {
    background: #0b1021;
    color: #d2d9ff;
    padding: 14px 18px;
    border-radius: 10px;
    font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
    font-size: 0.85rem;
    white-space: pre;
    overflow-x: auto;
}
.kbd-hint { color: #6b7280; font-size: 0.85rem; }
.sticky-top.bg-primary { background: linear-gradient(90deg, #1f6feb 0%, #2c5cf2 100%) !important; }
.navbar-brand i { margin-right: 0.25rem; }
.badge-soft-warning { background:#fff5e6; color:#a06400; }
.badge-soft-success { background:#e7f7ed; color:#206b3b; }
.matrix-cell { text-align: center; }
.matrix-cell input[type=checkbox] { transform: scale(1.3); }
.empty-state { padding: 60px 20px; text-align: center; color: #9ca3af; }
.empty-state i { font-size: 3rem; display: block; margin-bottom: 0.5rem; }