:root{--stamp-green: #4f7b63;--stamp-green-light: #7ea58f;--stamp-red: #c86f66;--stamp-red-light: #e5b0ab;--stamp-white: #fffdfb;--stamp-yellow: #dfc26b;--stamp-yellow-light: #f3e3a8;--surface: #fbf9f7;--surface-low: #f5f3f1;--surface-mid: #efeeeb;--surface-high: #e9e8e6;--surface-top: #e3e3e0;--surface-float: rgba(255, 255, 255, .82);--text-primary: #313331;--text-secondary: #5e5f5d;--text-muted: #7a7b79;--text-on-dark: #fff7f6;--accent: #7b5556;--accent-dark: #6b4747;--accent-soft: #f7c5c5;--accent-ghost: rgba(123, 85, 86, .12);--secondary: #4b6559;--secondary-soft: #daf8e8;--tertiary-soft: #f3e9de;--danger: #aa371c;--danger-soft: #fa7150;--outline-soft: rgba(178, 178, 176, .2);--bg-primary: var(--surface);--bg-secondary: var(--surface-low);--bg-card: #ffffff;--border-color: var(--outline-soft);--shadow-sm: 0 12px 24px rgba(123, 85, 86, .05);--shadow-md: 0 22px 46px rgba(123, 85, 86, .08);--shadow-lg: 0 30px 60px rgba(123, 85, 86, .12);--radius-sm: 14px;--radius-md: 24px;--radius-lg: 32px;--radius-xl: 40px;--radius-full: 999px;--nav-height: 92px;--header-height: 56px;--font-family: "Be Vietnam Pro", sans-serif;--font-display: "Plus Jakarta Sans", sans-serif}[data-theme=dark]{--surface: #1e1f1d;--surface-low: #272826;--surface-mid: #313330;--surface-high: #3a3c39;--surface-top: #444643;--surface-float: rgba(44, 46, 43, .84);--text-primary: #f2efec;--text-secondary: #cbc7c1;--text-muted: #a7a39d;--text-on-dark: #fff7f6;--accent: #efc1c1;--accent-dark: #dca9aa;--accent-soft: rgba(239, 193, 193, .16);--accent-ghost: rgba(239, 193, 193, .14);--secondary: #b7ddc8;--secondary-soft: rgba(183, 221, 200, .14);--tertiary-soft: rgba(243, 233, 222, .14);--danger: #ff9f86;--danger-soft: rgba(250, 113, 80, .18);--outline-soft: rgba(255, 255, 255, .08);--bg-card: #262826;--shadow-sm: 0 12px 24px rgba(0, 0, 0, .18);--shadow-md: 0 22px 46px rgba(0, 0, 0, .24);--shadow-lg: 0 30px 60px rgba(0, 0, 0, .32)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--surface: #1e1f1d;--surface-low: #272826;--surface-mid: #313330;--surface-high: #3a3c39;--surface-top: #444643;--surface-float: rgba(44, 46, 43, .84);--text-primary: #f2efec;--text-secondary: #cbc7c1;--text-muted: #a7a39d;--text-on-dark: #fff7f6;--accent: #efc1c1;--accent-dark: #dca9aa;--accent-soft: rgba(239, 193, 193, .16);--accent-ghost: rgba(239, 193, 193, .14);--secondary: #b7ddc8;--secondary-soft: rgba(183, 221, 200, .14);--tertiary-soft: rgba(243, 233, 222, .14);--danger: #ff9f86;--danger-soft: rgba(250, 113, 80, .18);--outline-soft: rgba(255, 255, 255, .08);--bg-card: #262826;--shadow-sm: 0 12px 24px rgba(0, 0, 0, .18);--shadow-md: 0 22px 46px rgba(0, 0, 0, .24);--shadow-lg: 0 30px 60px rgba(0, 0, 0, .32)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;background:var(--surface)}body{font-family:var(--font-family);background:radial-gradient(circle at top left,rgba(247,197,197,.22),transparent 28%),radial-gradient(circle at top right,rgba(218,248,232,.3),transparent 30%),linear-gradient(180deg,var(--surface) 0%,var(--surface-low) 100%);color:var(--text-primary);line-height:1.5;min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button{color:inherit}#app{display:flex;flex-direction:column;min-height:100dvh}.header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:var(--header-height);padding:10px 20px;background:var(--surface-float);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.header-brand{display:flex;align-items:center;gap:14px;min-width:0}.header-mark{width:48px;height:48px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,var(--accent) 0%,var(--accent-soft) 100%);color:var(--text-on-dark);box-shadow:var(--shadow-sm);flex-shrink:0}.header-mark svg{width:24px;height:24px;fill:currentColor}.header-copy{min-width:0}.header h1{font-family:var(--font-display);font-size:1.35rem;font-weight:800;letter-spacing:-.04em;line-height:1.05}.header-action{width:46px;height:46px;border:none;border-radius:50%;background:var(--bg-card);box-shadow:var(--shadow-sm);color:var(--accent);display:grid;place-items:center;flex-shrink:0}.header-action svg{width:22px;height:22px;fill:currentColor}.content{flex:1;width:min(960px,100%);margin:0 auto;padding:12px 18px calc(var(--nav-height) + 48px)}.content--chart{width:100%;max-width:none;padding-left:12px;padding-right:12px}.bottom-nav{position:fixed;left:12px;right:12px;bottom:12px;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:var(--nav-height);padding:14px 12px calc(14px + env(safe-area-inset-bottom,0px));background:var(--surface-float);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:32px;box-shadow:var(--shadow-md)}.nav-item{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;min-height:52px;padding:0 10px;min-width:0;overflow:hidden;border:none;border-radius:var(--radius-full);background:transparent;color:var(--text-muted);cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease;-webkit-tap-highlight-color:transparent}.nav-item.active{color:var(--accent);background:var(--accent-ghost)}.nav-item:active{transform:scale(.98)}.nav-item svg{width:22px;height:22px;fill:currentColor;flex-shrink:0}.nav-item span{font-size:.82rem;font-weight:600;letter-spacing:.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fab{position:fixed;right:18px;bottom:calc(var(--nav-height) + 22px + env(safe-area-inset-bottom,0px));z-index:90;width:62px;height:62px;border:none;border-radius:50%;background:linear-gradient(145deg,var(--accent) 0%,var(--accent-dark) 100%);color:var(--text-on-dark);cursor:pointer;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;transition:transform .18s ease,opacity .18s ease;-webkit-tap-highlight-color:transparent}.fab svg{width:26px;height:26px;fill:currentColor}.fab:active{transform:scale(.94)}.card{background:var(--bg-card);border-radius:var(--radius-md);padding:18px;box-shadow:var(--shadow-sm);margin-bottom:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:14px 24px;border:none;border-radius:var(--radius-full);font-size:.95rem;font-weight:600;cursor:pointer;transition:transform .18s ease,opacity .18s ease,background .18s ease;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.985)}.btn-primary{background:linear-gradient(145deg,var(--accent) 0%,var(--accent-dark) 100%);color:var(--text-on-dark);box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--surface-mid);color:var(--text-primary)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-block{width:100%}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-loading{position:relative;color:transparent!important;pointer-events:none}.btn-loading:after{content:"";position:absolute;width:18px;height:18px;top:50%;left:50%;margin:-9px 0 0 -9px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.btn-secondary.btn-loading:after,.btn-danger.btn-loading:after{border-color:#31333126;border-top-color:var(--text-primary)}@keyframes spin{to{transform:rotate(360deg)}}.loading-spinner{display:flex;align-items:center;justify-content:center;padding:48px}.loading-spinner:after{content:"";width:32px;height:32px;border:3px solid var(--outline-soft);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}.toggle-group{display:flex;flex-wrap:wrap;gap:10px}.toggle-btn{min-height:46px;padding:11px 16px;border:none;border-radius:18px;background:var(--surface-mid);color:var(--text-primary);font-size:.875rem;cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease;-webkit-tap-highlight-color:transparent}.toggle-btn.active{background:var(--accent);color:var(--text-on-dark)}[data-theme=dark] .toggle-btn.active{color:#1e1f1d}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .toggle-btn.active{color:#1e1f1d}}.toggle-btn:active{transform:scale(.98)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#31333147;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:flex-end;justify-content:center}.modal-content{width:100%;max-width:560px;max-height:92dvh;background:var(--surface);border-radius:34px 34px 0 0;padding:24px 18px calc(24px + env(safe-area-inset-bottom,0px));overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .22s ease-out}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.section-label{font-size:.75rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.12em;margin-bottom:10px;margin-top:22px}.section-label:first-child{margin-top:0}input[type=text],input[type=email],input[type=password],input[type=date],textarea{width:100%;background:var(--surface-high);color:var(--text-primary);border:none;border-radius:20px;padding:13px 15px;font-size:.95rem}input[type=text]:focus,input[type=email]:focus,input[type=password]:focus,input[type=date]:focus,textarea:focus{outline:none;box-shadow:0 0 0 2px var(--accent-ghost)}textarea{resize:vertical;min-height:96px}.disclaimer{font-size:.78rem;color:var(--text-secondary);line-height:1.5;padding:14px 16px;background:var(--surface-low);border-radius:18px;margin-top:16px}.cookie-banner{position:fixed;bottom:calc(var(--nav-height) + 16px);left:12px;right:12px;z-index:250;background:var(--surface);border-radius:24px;padding:18px 20px;box-shadow:var(--shadow-lg);font-size:.84rem;line-height:1.55;color:var(--text-secondary);max-width:480px;margin:0 auto}.cookie-banner p{margin:0 0 14px}.cookie-banner-actions{display:flex;gap:10px}.cookie-banner-actions .btn{flex:1}.empty-state{text-align:center;padding:72px 24px 48px;color:var(--text-secondary)}.empty-state h2{font-family:var(--font-display);font-size:1.55rem;line-height:1.1;margin-bottom:10px;color:var(--text-primary)}.empty-state p{max-width:28rem;margin:0 auto;font-size:.95rem}@media(min-width:768px){.header,.content{padding-left:24px;padding-right:24px}.content--chart{width:min(100vw,1760px);padding-left:20px;padding-right:20px}.bottom-nav{left:50%;right:auto;width:min(560px,calc(100vw - 24px));transform:translate(-50%)}}.stamp{display:flex;flex-direction:column;align-items:center;gap:2px;width:100%}.stamp-circle{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;position:relative;border:2px solid transparent;transition:transform .1s}.stamp-circle:active{transform:scale(.9)}.stamp-green .stamp-circle,.stamp-greenBaby .stamp-circle{background:var(--stamp-green);color:var(--text-on-dark)}.stamp-red .stamp-circle{background:var(--stamp-red);color:var(--text-on-dark)}.stamp-white .stamp-circle,.stamp-whiteBaby .stamp-circle,.stamp-whiteBabyP .stamp-circle,.stamp-whiteBaby1 .stamp-circle,.stamp-whiteBaby2 .stamp-circle,.stamp-whiteBaby3 .stamp-circle{background:var(--stamp-white);border-color:#bdbdbd;color:var(--text-primary)}.stamp-greenBaby1 .stamp-circle,.stamp-greenBaby2 .stamp-circle,.stamp-greenBaby3 .stamp-circle{background:var(--stamp-green);color:var(--text-on-dark)}.stamp-yellow .stamp-circle,.stamp-yellowBaby .stamp-circle{background:var(--stamp-yellow);color:var(--text-primary)}.stamp-baby-dot{position:absolute;bottom:-1px;right:-1px;width:12px;height:12px;border-radius:50%;background:#ff9800;border:1.5px solid var(--bg-card);display:none}.stamp-greenBaby .stamp-baby-dot,.stamp-whiteBaby .stamp-baby-dot,.stamp-whiteBabyP .stamp-baby-dot,.stamp-whiteBaby1 .stamp-baby-dot,.stamp-whiteBaby2 .stamp-baby-dot,.stamp-whiteBaby3 .stamp-baby-dot,.stamp-greenBaby1 .stamp-baby-dot,.stamp-greenBaby2 .stamp-baby-dot,.stamp-greenBaby3 .stamp-baby-dot,.stamp-yellowBaby .stamp-baby-dot{display:block}.stamp-whiteBaby1 .stamp-circle:before,.stamp-whiteBaby2 .stamp-circle:before,.stamp-whiteBaby3 .stamp-circle:before,.stamp-greenBaby1 .stamp-circle:before,.stamp-greenBaby2 .stamp-circle:before,.stamp-greenBaby3 .stamp-circle:before{content:"🐣";position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:1.1em;font-weight:400;opacity:.35;pointer-events:none}.stamp-code{font-size:.5625rem;color:var(--text-secondary);white-space:nowrap;max-width:44px;overflow:hidden;text-overflow:ellipsis;text-align:center}.stamp-day{font-size:.625rem;color:var(--text-secondary)}.stamp-intercourse{position:absolute;top:-2px;left:-2px;width:10px;height:10px;border-radius:50%;background:#7b1fa2;border:1.5px solid var(--bg-card);display:none}.has-intercourse .stamp-intercourse{display:block}.stamp-lg .stamp-circle{width:56px;height:56px;font-size:1.25rem}.stamp-lg .stamp-baby-dot{width:16px;height:16px}.stamp-lg .stamp-code{font-size:.8125rem;max-width:80px}.chart-container{overflow-x:auto;-webkit-overflow-scrolling:touch;padding:10px;margin-top:8px;background:var(--surface-low);border-radius:28px}.chart-table{border-collapse:separate;border-spacing:0 10px;min-width:100%}.chart-header{position:sticky;top:0;z-index:10}.chart-header th{background:var(--surface);color:var(--text-secondary);font-size:.68rem;font-weight:700;letter-spacing:.03em;padding:10px 4px;text-align:center;min-width:46px}.chart-header th:first-child{position:sticky;left:0;z-index:11;min-width:82px;border-radius:18px 0 0 18px;text-align:left;padding-left:14px}.chart-header th:last-child{border-radius:0 18px 18px 0}.cycle-row td{padding:8px 4px;text-align:center;vertical-align:top;min-width:46px;background:var(--bg-card)}.cycle-row td:first-child{position:sticky;left:0;z-index:5;min-width:82px;text-align:left;padding-left:14px;border-radius:20px 0 0 20px;box-shadow:8px 0 14px #f5f3f1f2}[data-theme=dark] .cycle-row td:first-child{box-shadow:8px 0 14px #272826f2}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .cycle-row td:first-child{box-shadow:8px 0 14px #272826f2}}.cycle-row td:last-child{border-radius:0 20px 20px 0}.cycle-label{display:flex;flex-direction:column;gap:3px}.cycle-label-num{font-family:var(--font-display);font-size:.9rem;font-weight:700;color:var(--text-primary)}.cycle-label-date,.cycle-label-len{font-size:.66rem;color:var(--text-secondary)}.chart-empty{background:var(--surface-mid)}.chart-peak-col{background:color-mix(in srgb,var(--secondary-soft) 45%,var(--bg-card))}.chart-legend{display:flex;flex-wrap:wrap;gap:10px;padding:8px 0 4px}.legend-item{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:var(--surface-low);font-size:.76rem;color:var(--text-secondary)}.legend-dot{width:16px;height:16px;border-radius:50%;flex-shrink:0}.legend-dot-green{background:var(--stamp-green)}.legend-dot-red{background:var(--stamp-red)}.legend-dot-white{background:var(--stamp-white);box-shadow:inset 0 0 0 1px #7a7b7947}.legend-dot-yellow{background:var(--stamp-yellow)}.sample-banner{margin-bottom:10px;padding:18px;border-radius:28px;background:linear-gradient(135deg,#7b55561f,#daf8e8a6);color:var(--text-primary);box-shadow:var(--shadow-sm);line-height:1.55}.sample-banner strong{display:block;margin-bottom:4px;font-family:var(--font-display);font-size:1.05rem}.sample-banner p{margin:0;font-size:.88rem;color:var(--text-secondary)}@media print{.header,.bottom-nav,.fab,.sample-banner,.disclaimer{display:none!important}body,.content,.chart-container{background:#fff!important;color:#000!important;padding:0!important;margin:0!important;box-shadow:none!important}.chart-container{overflow:visible!important;border-radius:0!important}.chart-table{border-spacing:0 4px;page-break-inside:auto}.cycle-row{page-break-inside:avoid}.cycle-row td:first-child,.chart-header th:first-child{position:static!important;box-shadow:none!important}.stamp-circle,.legend-dot,.chart-peak-col,.chart-empty{-webkit-print-color-adjust:exact;print-color-adjust:exact}@page{size:landscape;margin:12mm}}