html,body,#root{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#eaf4ff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root{--bg: #eaf4ff;--bg-card: #ffffff;--text: #0f2a43;--muted: #5b7a99;--primary: #3a86ff;--primary-600: #2b6fd1;--outline: #b9d6ff;--danger: #d72638}.app{max-width:720px;margin:0 auto;padding:24px;color:var(--text)}.header{text-align:center;margin-bottom:16px}.header h1{margin:0 0 4px;font-size:1.5rem}.sub{margin:0;color:var(--muted);font-size:.95rem}.card{background:var(--bg-card);border:1px solid var(--outline);border-radius:12px;padding:16px;box-shadow:0 2px 10px #3a86ff14}.rows{display:flex;flex-direction:column;gap:10px}.row{display:grid;grid-template-columns:1fr auto 1fr auto;align-items:center;gap:8px}.row-invalid .time-input{border-color:var(--danger)}.error{grid-column:1 / -1;font-size:.85rem;color:var(--danger)}.time-input{appearance:none;background:#f6fbff;border:1px solid var(--outline);border-radius:8px;padding:8px 10px;font-size:1rem;color:var(--text)}.time-group{display:inline-flex;align-items:center;gap:6px}.time-input.hour{width:72px}.time-input.minute{width:80px}.btn.ampm{background:#eef6ff;border:1px solid var(--outline);color:var(--text);padding:6px 10px}.dash{color:var(--muted);text-align:center}.actions{display:flex;gap:8px;margin-top:14px}.btn{border-radius:8px;padding:8px 12px;font-size:.95rem;cursor:pointer;border:1px solid transparent}.btn-primary{background:var(--primary);border-color:var(--primary-600);color:#fff}.btn-primary:hover{background:var(--primary-600)}.btn-outline{background:transparent;border-color:var(--outline);color:var(--text)}.btn-outline:hover{background:#f0f7ff}.btn-ghost{background:transparent;border:none;color:var(--muted);padding:6px 8px}.btn-ghost:hover{color:var(--text)}.total{display:flex;align-items:baseline;justify-content:space-between;margin-top:16px;padding-top:12px;border-top:1px dashed var(--outline)}.total-label{color:var(--muted)}.total-value{font-weight:700;font-variant-numeric:tabular-nums;font-size:1.6rem}.footer{text-align:center;color:var(--muted);font-size:.9rem;margin-top:18px}