:root { --slacalc-accent: #4ECDC4; }

.slacalc-page { max-width: 900px; margin: 0 auto; padding: 0 1rem 3rem; }

.slacalc-tabs {
  display: flex; gap: 0.5rem; padding: 0.35rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; margin-bottom: 1.5rem;
  overflow-x: auto; scrollbar-width: none;
}
.slacalc-tab {
  background: none; border: 1px solid transparent;
  color: rgba(255,255,255,0.5); font-size: 0.85rem; font-weight: 600;
  padding: 0.6rem 1.1rem; cursor: pointer; border-radius: 8px;
  transition: all 0.2s ease; flex: 1; text-align: center; white-space: nowrap;
}
.slacalc-tab:hover { color: #fff; background: rgba(255,255,255,0.06); }
.slacalc-tab.active {
  color: #000; background: var(--slacalc-accent);
  border-color: var(--slacalc-accent);
  box-shadow: 0 2px 8px rgba(78,205,196,0.3);
}
.slacalc-panel { display: none; }
.slacalc-panel.active { display: block; }

/* Mode toggle */
.slacalc-mode-toggle {
  display: flex; gap: 0.5rem; margin-bottom: 1.5rem;
  background: rgba(255,255,255,0.03); border-radius: 10px; padding: 0.3rem;
}
.slacalc-mode {
  flex: 1; padding: 0.5rem 0.8rem; border: none; background: none;
  color: rgba(255,255,255,0.5); font-size: 0.82rem; font-weight: 600;
  border-radius: 8px; cursor: pointer; transition: all 0.2s;
}
.slacalc-mode:hover { color: #fff; }
.slacalc-mode.active { background: var(--slacalc-accent); color: #000; }

/* Inputs */
.slacalc-input-group { margin-bottom: 1rem; }
.slacalc-input-group label {
  display: block; font-size: 0.8rem; color: rgba(255,255,255,0.5);
  margin-bottom: 0.3rem; font-weight: 600;
}
.slacalc-input-group input[type="number"],
.slacalc-input-group input[type="date"],
.slacalc-input-group input[type="text"],
.slacalc-input-group select {
  width: 100%; padding: 0.6rem 0.8rem; font-size: 1.2rem; font-weight: 700;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; color: #fff; outline: none; transition: border-color 0.2s;
}
.slacalc-input-group input:focus,
.slacalc-input-group select:focus { border-color: var(--slacalc-accent); }
.slacalc-input-group input[type="range"] {
  width: 100%; margin-top: 0.5rem; accent-color: var(--slacalc-accent);
}
.slacalc-input-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

/* Presets */
.slacalc-presets { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.slacalc-preset {
  padding: 0.4rem 0.8rem; font-size: 0.8rem; font-weight: 600;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px; color: rgba(255,255,255,0.6); cursor: pointer;
  transition: all 0.2s;
}
.slacalc-preset:hover { color: #fff; border-color: rgba(255,255,255,0.2); }
.slacalc-preset.active { background: var(--slacalc-accent); color: #000; border-color: var(--slacalc-accent); }

/* Results */
.slacalc-results { margin-top: 1rem; }
.slacalc-result-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem;
}
.slacalc-result-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; padding: 1.2rem; text-align: center;
}
.slacalc-result-card .period {
  font-size: 0.75rem; color: rgba(255,255,255,0.4); text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 0.5rem;
}
.slacalc-result-card .value {
  font-size: 1.6rem; font-weight: 800; color: var(--slacalc-accent);
}
.slacalc-result-card .detail {
  font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 0.3rem;
}
.slacalc-nines-label {
  text-align: center; margin-bottom: 1.5rem; padding: 0.8rem;
  background: rgba(78,205,196,0.08); border: 1px solid rgba(78,205,196,0.2);
  border-radius: 10px; font-size: 1.1rem; color: rgba(255,255,255,0.8);
}
.slacalc-nines-label strong { color: var(--slacalc-accent); font-size: 1.3rem; }

/* Plain English context */
.slacalc-plain-english { margin-top: 1.2rem; }
.slacalc-context-card {
  display: flex; align-items: flex-start; gap: 0.8rem; padding: 1rem 1.2rem;
  background: rgba(78,205,196,0.06); border: 1px solid rgba(78,205,196,0.15);
  border-radius: 10px; font-size: 0.9rem; line-height: 1.5;
  color: rgba(255,255,255,0.75);
}
.slacalc-context-icon { font-size: 1.3rem; flex-shrink: 0; }
.slacalc-context-card strong { color: var(--slacalc-accent); }

/* Reverse results */
.slacalc-reverse-result {
  text-align: center; padding: 2rem;
  background: rgba(255,255,255,0.04); border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
}
.slacalc-reverse-result .big-pct {
  font-size: 3rem; font-weight: 800; color: var(--slacalc-accent);
}
.slacalc-reverse-result .sub { color: rgba(255,255,255,0.5); margin-top: 0.5rem; }

/* Incident impact */
.slacalc-breach-list { margin-top: 1.5rem; }
.slacalc-breach-item {
  display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1rem;
  background: rgba(255,255,255,0.03); border-radius: 8px; margin-bottom: 0.5rem;
  border-left: 3px solid transparent;
}
.slacalc-breach-item.breached { border-left-color: #EF4444; }
.slacalc-breach-item.safe { border-left-color: #10B981; }
.slacalc-breach-item .sla-name { font-weight: 700; flex: 1; }
.slacalc-breach-item .badge {
  padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.75rem; font-weight: 700;
}
.slacalc-breach-item.breached .badge { background: rgba(239,68,68,0.15); color: #EF4444; }
.slacalc-breach-item.safe .badge { background: rgba(16,185,129,0.15); color: #10B981; }

/* Table */
.slacalc-table-wrap { overflow-x: auto; }
.slacalc-table {
  width: 100%; border-collapse: collapse; font-size: 0.85rem;
}
.slacalc-table th {
  text-align: left; padding: 0.6rem 0.8rem; font-weight: 700;
  color: rgba(255,255,255,0.5); border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em;
}
.slacalc-table td {
  padding: 0.6rem 0.8rem; border-bottom: 1px solid rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.8);
}
.slacalc-table tr:hover { background: rgba(255,255,255,0.03); }
.slacalc-table .clickable { cursor: pointer; }
.slacalc-table .clickable:hover { background: rgba(78,205,196,0.08); }

/* Incident Log */
.slacalc-log-form { margin-bottom: 1.5rem; }
.slacalc-burndown {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; padding: 1.2rem; margin-bottom: 1.5rem;
}
.slacalc-burndown-bar {
  height: 10px; border-radius: 5px; background: rgba(255,255,255,0.1);
  overflow: hidden; margin: 0.8rem 0;
}
.slacalc-burndown-fill {
  height: 100%; border-radius: 5px; transition: width 0.3s;
}
.slacalc-burndown-fill.safe { background: #4ade80; }
.slacalc-burndown-fill.warning { background: #fbbf24; }
.slacalc-burndown-fill.danger { background: #ef4444; }
.slacalc-log-entry {
  display: flex; align-items: center; gap: 1rem; padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.85rem;
}
.slacalc-log-entry .date { color: rgba(255,255,255,0.5); min-width: 90px; }
.slacalc-log-entry .dur { font-weight: 700; color: var(--slacalc-accent); min-width: 60px; }
.slacalc-log-entry .svc { flex: 1; }
.slacalc-log-entry .del {
  background: none; border: none; color: rgba(255,255,255,0.3);
  cursor: pointer; font-size: 0.9rem;
}
.slacalc-log-entry .del:hover { color: #ef4444; }
.slacalc-export-btn {
  background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;
  padding: 0.5rem 1rem; font-weight: 600; cursor: pointer; font-size: 0.82rem; margin-top: 1rem;
}

/* FAQ */
.slacalc-panel details {
  margin-bottom: 1rem; padding: 1rem; background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 10px;
}
.slacalc-panel details summary { cursor: pointer; color: rgba(255,255,255,0.9); }
.slacalc-panel details div { color: rgba(255,255,255,0.7); margin-top: 0.5rem; }

@media(max-width: 640px) {
  .slacalc-input-row { grid-template-columns: 1fr; }
  .slacalc-result-grid { grid-template-columns: 1fr 1fr; }
  .slacalc-mode-toggle { flex-direction: column; }
}