/* Kraken2 Metagenomics Simulator */
.krk-wrap { max-width: 1000px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.krk-header { margin-bottom: 1.25rem; }
.krk-header-title { display: flex; align-items: center; gap: .5rem; font-size: 1.1rem; font-weight: 700; color: #e6edf3; }
.krk-header-sub { font-size: .78rem; color: #8b949e; margin-top: .2rem; }
.krk-controls { display: flex; gap: .6rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.krk-sample-select { flex: 1; min-width: 280px; padding: .45rem .75rem; background: #161b22; border: 1px solid #30363d; border-radius: 7px; color: #c9d1d9; font-size: .85rem; font-family: inherit; outline: none; }
.krk-run-btn { display: inline-flex; align-items: center; gap: .4rem; padding: .45rem 1rem; background: #f97316; color: #0d1117; border: none; border-radius: 7px; font-size: .85rem; font-weight: 700; cursor: pointer; white-space: nowrap; }
.krk-run-btn:hover { opacity: .9; }
.krk-empty { padding: 3rem 1rem; text-align: center; color: #484f58; font-size: .85rem; }
.krk-summary { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; padding: .65rem 1rem; background: #161b22; border: 1px solid #21262d; border-radius: 8px; margin-bottom: .75rem; }
.krk-stat { display: flex; flex-direction: column; gap: .1rem; }
.krk-stat-val { font-size: .95rem; font-weight: 700; color: #e6edf3; }
.krk-stat-lbl { font-size: .65rem; color: #8b949e; text-transform: uppercase; letter-spacing: .04em; }
.krk-export-btn { margin-left: auto; padding: .3rem .7rem; background: #21262d; border: 1px solid #30363d; border-radius: 5px; color: #8b949e; font-size: .72rem; cursor: pointer; font-family: inherit; }
.krk-export-btn:hover { color: #e6edf3; }
.krk-note { font-size: .78rem; color: #8b949e; background: rgba(88,166,255,.05); border: 1px solid rgba(88,166,255,.12); border-radius: 6px; padding: .5rem .75rem; margin-bottom: 1rem; line-height: 1.55; }
.krk-viz-row { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.krk-donut { flex-shrink: 0; }
.krk-legend { display: flex; flex-direction: column; gap: .35rem; padding-top: .5rem; }
.krk-legend-row { display: flex; align-items: center; gap: .45rem; font-size: .75rem; }
.krk-legend-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.krk-legend-name { color: #c9d1d9; flex: 1; }
.krk-legend-pct { color: #8b949e; min-width: 36px; text-align: right; }
.krk-table { width: 100%; border-collapse: collapse; font-size: .78rem; }
.krk-table th { padding: .4rem .6rem; background: #21262d; color: #8b949e; font-weight: 600; text-align: left; border-bottom: 1px solid #30363d; font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.krk-table td { padding: .3rem .6rem; border-bottom: 1px solid #161b22; color: #c9d1d9; }
.krk-table tr:hover td { background: rgba(255,255,255,.02); }
.krk-color-dot { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: .4rem; }
.krk-rank-badge { font-family: 'Cascadia Code','Fira Mono',monospace; font-size: .7rem; color: #8b949e; background: #21262d; padding: .1rem .35rem; border-radius: 3px; }
.krk-pct-cell { display: flex; align-items: center; gap: .5rem; }
.krk-bar-wrap { width: 60px; height: 5px; background: #21262d; border-radius: 3px; overflow: hidden; flex-shrink: 0; }
.krk-bar { height: 100%; border-radius: 3px; }
.krk-reads { color: #8b949e; text-align: right; }