/* Due Date Calculator — tool-specific */
.page { padding: 40px 20px; max-width: 720px; margin: 0 auto; }
.page h1 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.page .subtitle { color: #888; margin-bottom: 20px; font-size: 14px; }

.form-grid { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 13px; color: #aaa; font-weight: 500; }
.form-row input[type=date] {
  background: #0d0d0d; border: 1px solid #2a2a2a; color: #fff;
  padding: 10px 12px; border-radius: 6px; font-size: 14px;
  color-scheme: dark;
}

.seg { display: inline-flex; gap: 0; border: 1px solid #2a2a2a; border-radius: 6px; overflow: hidden; }
.seg-btn { background: #0d0d0d; color: #888; border: none; padding: 8px 16px; cursor: pointer; font-size: 13px; }
.seg-btn:hover { background: #1a1a1a; color: #ccc; }
.seg-btn.active { background: #ff4444; color: #fff; }

.result-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.result-block { padding: 16px; background: #0d0d0d; border: 1px solid #2a2a2a; border-radius: 8px; text-align: center; }
.result-block.highlight { border-color: #ff4444; background: rgba(255, 68, 68, 0.06); }
.result-label { font-size: 12px; color: #888; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.result-value { font-size: 22px; font-weight: 700; color: #fff; }
.result-sub { font-size: 13px; color: #aaa; margin-top: 6px; }

.progress-wrap { margin: 24px 0; }
.progress-bar { position: relative; height: 10px; background: #0d0d0d; border: 1px solid #2a2a2a; border-radius: 5px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, #ff4444, #ff8866); width: 0%; transition: width 0.4s; }
.progress-marker { position: absolute; top: -3px; bottom: -3px; width: 1px; background: #444; pointer-events: none; }
.progress-labels { display: flex; justify-content: space-between; margin-top: 8px; font-size: 11px; color: #666; font-family: 'SF Mono', monospace; }

.milestones h3 { font-size: 14px; color: #ccc; margin-bottom: 10px; }
.milestones ul { list-style: none; padding: 0; }
.milestones li { display: flex; justify-content: space-between; padding: 8px 12px; border-bottom: 1px solid #1f1f1f; font-size: 13px; color: #aaa; }
.milestones li:last-child { border-bottom: none; }
.milestones li .ms-date { color: #fff; font-family: 'SF Mono', monospace; }

.disclaimer { color: #888; font-size: 13px; border-left: 3px solid #ff4444; padding-left: 12px; margin-top: 20px; }

@media (max-width: 600px) {
  .page { padding: 24px 12px; }
  .page h1 { font-size: 22px; }
  .result-row { grid-template-columns: 1fr; }
}