/* Minimal UI helpers */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .9rem;border-radius:1rem;border:1px solid transparent}
.btn-primary{background:#2563eb;color:#fff}
.btn-ghost{background:transparent;color:inherit;border-color:#475569}
.card{border-radius:1rem;padding:1rem;background:#111827;border:1px solid #1f2937}
.card-title{font-weight:600;margin-bottom:.5rem}
.input{padding:.5rem .75rem;border-radius:.75rem;border:1px solid #334155;background:#0b1220;color:#e5e7eb;width:100%}
.table-scroll{overflow-x:auto}
.toast{position:fixed;right:1rem;bottom:1rem;background:#0f172a;color:#fff;padding:.6rem .9rem;border-radius:.75rem;box-shadow:0 10px 30px rgba(0,0,0,.4)}