:root{--color-primary: #7c3aed;--color-primary-light:#ede9fe;--color-menstruation: #ef4444;--color-menstruation-light: #fee2e2;--color-fertile: #8b5cf6;--color-fertile-light:#f3e8ff;--color-ovulation: #7c3aed;--color-surface: #ffffff;--color-bg: #f5f3ff;--color-text: #1e1b4b;--color-text-muted: #6b7280;--color-border: #e5e7eb;--color-card-shadow: 0 2px 12px rgba(124,58,237,.08);--radius-card: 16px;--radius-btn: 12px;--nav-height: 64px;--safe-bottom: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;max-width:480px;margin:0 auto;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.app-shell{display:flex;flex-direction:column;height:100dvh}.page-content{flex:1;overflow-y:auto;padding:16px 16px calc(var(--nav-height) + var(--safe-bottom) + 8px)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:calc(var(--nav-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--color-surface);border-top:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-around;z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 20px;border:none;background:none;color:var(--color-text-muted);font-size:11px;font-weight:500;cursor:pointer;text-decoration:none;min-width:64px;-webkit-tap-highlight-color:transparent}.nav-item.active{color:var(--color-primary)}.nav-icon{font-size:22px;line-height:1}.card{background:var(--color-surface);border-radius:var(--radius-card);padding:20px;box-shadow:var(--color-card-shadow);margin-bottom:12px}.card-row{display:flex;align-items:center;justify-content:space-between}.card-label{font-size:13px;color:var(--color-text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.card-value{font-size:22px;font-weight:700;color:var(--color-text)}.card-sub{font-size:13px;color:var(--color-text-muted);margin-top:2px}.card-accent{background:var(--color-primary-light)}.card-icon{font-size:28px;width:48px;height:48px;background:var(--color-bg);border-radius:12px;display:flex;align-items:center;justify-content:center}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px;border-radius:var(--radius-btn);border:none;font-size:16px;font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:opacity .15s}.btn:active{opacity:.8}.btn-primary{background:var(--color-primary);color:#fff}.btn-outline{background:transparent;border:2px solid var(--color-primary);color:var(--color-primary)}.btn-danger{background:var(--color-menstruation);color:#fff}.btn-sm{padding:10px 16px;font-size:14px;border-radius:10px;width:auto}.form-group{margin-bottom:16px}.form-label{display:block;font-size:14px;font-weight:600;color:var(--color-text);margin-bottom:6px}.form-input{width:100%;padding:14px 16px;border:2px solid var(--color-border);border-radius:var(--radius-btn);font-size:16px;color:var(--color-text);background:var(--color-surface);outline:none;transition:border-color .15s;-webkit-appearance:none}.form-input:focus{border-color:var(--color-primary)}.form-select{width:100%;padding:14px 16px;border:2px solid var(--color-border);border-radius:var(--radius-btn);font-size:16px;color:var(--color-text);background:var(--color-surface);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center}.form-select:focus{border-color:var(--color-primary)}.chip-group{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:8px 14px;border-radius:20px;border:2px solid var(--color-border);background:var(--color-surface);font-size:14px;font-weight:500;color:var(--color-text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent}.chip.selected{border-color:var(--color-primary);background:var(--color-primary-light);color:var(--color-primary)}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.calendar-month{font-size:18px;font-weight:700}.calendar-nav-btn{width:40px;height:40px;border-radius:10px;border:2px solid var(--color-border);background:var(--color-surface);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.calendar-weekday{text-align:center;font-size:11px;font-weight:600;color:var(--color-text-muted);padding:4px 0 8px;text-transform:uppercase}.calendar-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;position:relative;-webkit-tap-highlight-color:transparent;border:2px solid transparent}.calendar-day:empty{cursor:default}.calendar-day.today{border-color:var(--color-primary);font-weight:700}.calendar-day.menstruation{background:var(--color-menstruation-light);color:var(--color-menstruation)}.calendar-day.fertile{background:var(--color-fertile-light);color:var(--color-fertile)}.calendar-day.ovulation{background:var(--color-primary);color:#fff}.calendar-day.has-log:after{content:"";position:absolute;bottom:3px;width:4px;height:4px;border-radius:50%;background:var(--color-primary)}.calendar-day.ovulation.has-log:after{background:#fff}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-title{font-size:24px;font-weight:800;color:var(--color-text)}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-purple{background:var(--color-primary-light);color:var(--color-primary)}.badge-red{background:var(--color-menstruation-light);color:var(--color-menstruation)}.auth-screen{display:flex;flex-direction:column;justify-content:center;min-height:100dvh;padding:32px 24px;background:var(--color-bg)}.auth-logo{font-size:40px;text-align:center;margin-bottom:8px}.auth-title{font-size:28px;font-weight:800;text-align:center;color:var(--color-text);margin-bottom:4px}.auth-subtitle{font-size:14px;color:var(--color-text-muted);text-align:center;margin-bottom:36px}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-error{background:var(--color-menstruation-light);color:var(--color-menstruation);border-radius:10px;padding:12px 16px;font-size:14px;font-weight:500}.otp-input{text-align:center;font-size:28px;font-weight:700;letter-spacing:.2em}.section-title{font-size:13px;font-weight:700;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;margin:20px 0 10px}.spacer{height:8px}.skeleton{background:linear-gradient(90deg,#e5e7eb 25%,#f3f4f6,#e5e7eb 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:8px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}