:root{--paper: #f7f4f0;--ink: #211d2c;--ink-soft: #4a4453;--muted: #7a7280;--line: #ddd5d0;--accent: #b23a56;--accent-deep: #7a2740;--accent-soft: #f0dde2;--good: #3f7a5c;--good-soft: #e1eee6;--bad: #a6432f;--surface: #ffffff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,Segoe UI,Roboto,system-ui,sans-serif;font-size:16px;line-height:1.5}h1,h2{color:var(--ink);margin:0 0 12px}.loading-screen{padding:40px;text-align:center;color:var(--muted)}.page{max-width:480px;margin:0 auto;padding:20px 16px 90px}.navbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-around;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 4px}.navbar a{color:var(--muted);text-decoration:none;font-size:13px;padding:6px 8px;border-radius:8px}.navbar a.active{color:var(--accent-deep);background:var(--accent-soft);font-weight:600}.auth-form,.entry-form,.settings-page{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}form{display:flex;flex-direction:column;gap:14px}label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--ink-soft)}input,select,textarea,button{font:inherit}input,select,textarea{padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink)}button{cursor:pointer;padding:12px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-weight:600}button:disabled{opacity:.6;cursor:not-allowed}.button-link{display:inline-block;margin-top:16px;padding:12px 16px;border-radius:8px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;text-align:center}.form-error{color:var(--bad);font-size:14px}.form-success{color:var(--good);font-size:14px}.toggle-row{flex-direction:row;align-items:center;gap:8px}.logout-button{margin-top:24px;background:transparent;color:var(--bad);border:1px solid var(--bad)}.settings-page section{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.fertility-indicator{display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:10px;font-weight:600;margin-bottom:16px}.indicator-dot{width:10px;height:10px;border-radius:50%}.indicator-fertile{background:var(--good-soft);color:var(--good)}.indicator-fertile .indicator-dot{background:var(--good)}.indicator-not-fertile{background:var(--accent-soft);color:var(--accent-deep)}.indicator-not-fertile .indicator-dot{background:var(--muted)}.indicator-unknown{background:#eee;color:var(--muted)}.indicator-unknown .indicator-dot{background:var(--muted)}.stat-line{color:var(--ink-soft);font-size:14px}.bbt-chart{width:100%;height:auto;background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:8px}.chart-gridline{stroke:var(--line);stroke-width:1}.chart-axis-label{font-size:9px;fill:var(--muted)}.chart-fertile-band{fill:var(--good-soft);opacity:.7}.chart-flow-mark{fill:var(--accent)}.chart-line{stroke:var(--accent-deep);stroke-width:2}.chart-point{fill:var(--accent-deep)}.calendar{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:20px}.calendar-header{display:flex;justify-content:space-between;align-items:center;font-weight:600;margin-bottom:8px}.calendar-header button{background:transparent;color:var(--ink);padding:4px 10px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-weekday{text-align:center;font-size:11px;color:var(--muted);padding-bottom:4px}.calendar-cell{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);font-size:12px;gap:2px;padding:0}.calendar-cell small{font-size:9px;color:var(--muted)}.calendar-cell-empty{border:none;background:transparent}.calendar-cell-today{border-color:var(--accent-deep);border-width:2px}.calendar-cell-fertile{background:var(--good-soft)}.calendar-cell-flow{background:var(--accent-soft)}.calendar-cell-has-entry{font-weight:600}.cycle-list ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.cycle-list li{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px}.print-page table{width:100%;border-collapse:collapse;font-size:12px}.print-page th,.print-page td{border:1px solid var(--line);padding:6px 8px;text-align:left}@media print{.navbar,.no-print{display:none!important}.page{max-width:none;padding:0}}