/* Bearing Fault Frequency Calculator — tool-specific overrides only. Pure calculator (no mic/audio). */

.bff-warn-note {
  max-width: 840px; margin: var(--space-md) auto 0;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border); border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-sm); background: rgba(0, 255, 65, 0.04);
  color: var(--color-text-dim); font-size: 0.9rem; line-height: 1.55; text-align: left;
}
.bff-warn-note strong { color: var(--color-text); }

.bff-controls { display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: flex-start; }
.bff-field { flex: 1 1 170px; min-width: 140px; }
.bff-num {
  width: 100%; margin-top: 6px; padding: 10px 12px; background: var(--color-bg); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.95rem;
}
.bff-num:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 2px rgba(0, 255, 65, 0.18); }

.bff-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-lg); margin-top: var(--space-lg); align-items: start; }
@media (max-width: 760px) { .bff-layout { grid-template-columns: 1fr; } }
.bff-canvas { display: block; width: 100%; height: 360px; border-radius: var(--radius-sm); background: #060a08; border: 1px solid var(--color-border); }

.bff-shaft { padding: 8px 12px; margin-bottom: var(--space-sm); border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: rgba(0, 229, 255, 0.04); font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-text); }
.bff-shaft strong { color: var(--color-secondary); }

.bff-results { display: flex; flex-direction: column; gap: 8px; }
.bff-cell { padding: 8px 12px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: rgba(0, 255, 65, 0.02); }
.bff-cell__label { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-dim); }
.bff-cell__val { display: block; margin-top: 2px; font-family: var(--font-mono); font-size: 1.05rem; color: var(--color-primary); }
.bff-cell__note { display: block; margin-top: 3px; font-size: 0.78rem; color: var(--color-text-dim); line-height: 1.45; }

.bff-warn { margin-top: var(--space-md); display: flex; flex-direction: column; gap: 6px; }
.bff-warnline { padding: 8px 12px; border: 1px solid rgba(255, 180, 60, 0.35); border-left: 4px solid #ffb43c; border-radius: var(--radius-sm); background: rgba(255, 180, 60, 0.06); color: #ffd9a0; font-size: 0.82rem; line-height: 1.5; }

.bff-tablewrap { margin-top: var(--space-sm); overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.bff-table { min-width: 520px; display: flex; flex-direction: column; font-family: var(--font-mono); font-size: 0.82rem; }
.bff-trow { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; }
.bff-trow:nth-child(even) { background: rgba(255, 255, 255, 0.02); }
.bff-trow--head { background: rgba(0, 255, 65, 0.08); color: var(--color-primary); font-weight: 600; }
.bff-tcell { padding: 7px 8px; text-align: center; border-bottom: 1px solid var(--color-border); color: var(--color-text); }
.bff-tcell--name { text-align: left; }
.bff-tcell--name b { color: var(--color-primary); }
.bff-tcell--name span { display: block; font-size: 0.72rem; color: var(--color-text-dim); }
.bff-tcell--x1 { color: var(--color-primary); }

.bff-legend { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-sm); font-size: 0.78rem; color: var(--color-text-dim); }
.bff-legend span { display: inline-flex; align-items: center; gap: 6px; }
.bff-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.bff-dot--out { background: #00ff41; }
.bff-dot--in { background: #00e5ff; }
.bff-dot--ball { background: #ffb43c; }
.bff-dot--cage { background: #ff4d9d; }

.bff-rot-intro { max-width: 820px; font-size: 0.86rem; color: var(--color-text-dim); line-height: 1.55; }
.bff-rot-intro strong { color: var(--color-text); }
.bff-rot { display: flex; flex-wrap: wrap; gap: 8px; }
.bff-rot .bff-cell { flex: 1 1 220px; min-width: 200px; }

.bff-h3 { font-size: 1.0rem; margin-bottom: var(--space-xs); }
.bff-formula-list { list-style: none; padding: 0; margin: var(--space-sm) 0; display: flex; flex-direction: column; gap: 6px; }
.bff-formula-list li { padding: 8px 12px; border: 1px solid var(--color-border); border-left: 3px solid var(--color-primary); border-radius: var(--radius-sm); background: rgba(0, 255, 65, 0.02); font-family: var(--font-mono); font-size: 0.84rem; line-height: 1.5; }
.bff-formula-list strong { color: var(--color-primary); }