:root{color:var(--ink);color-scheme:light;background:var(--canvas);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #1c2430;--muted: #6c7484;--paper: #fffdf9;--line: #e6ded4;--coral: #ff6b6b;--teal: #2ec4b6;--yellow: #ffd166;--blue: #4361ee;--rose: #ef476f;--green: #06d6a0;--canvas: #fff8f0;--canvas-end: #f4fbf8;--surface: rgba(255, 253, 249, .94);--field-bg: #ffffff;--button-bg: #ffffff;--mark-ink: #1c2430;--shadow-ink: #1c2430;--panel-shadow: 0 20px 48px rgba(36, 42, 56, .12);--card-shadow: 0 16px 36px rgba(36, 42, 56, .1);--brand-shadow: 6px 6px 0 #1c2430;--field-shadow: 4px 4px 0 rgba(28, 36, 48, .14);--button-shadow: 3px 3px 0 rgba(28, 36, 48, .18);--small-button-shadow: 3px 3px 0 rgba(28, 36, 48, .16);--switch-shadow: 3px 3px 0 rgba(28, 36, 48, .14);--focus-shadow: 4px 4px 0 rgba(67, 97, 238, .24);--danger-text: #7d1230;--danger-bg: #ffe1e8;--good-text: #06483d;--good-bg: #d8fff3;--panel-pattern-coral: rgba(255, 107, 107, .12);--panel-pattern-teal: rgba(46, 196, 182, .1);--progress-panel-bg: #ffffff;--progress-bg: #fff2be}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--ink: #f4efe7;--muted: #b8b0a6;--paper: #1f211c;--line: #3f4238;--canvas: #161711;--canvas-end: #10231f;--surface: rgba(30, 32, 27, .94);--field-bg: #12140f;--button-bg: #25271f;--shadow-ink: #050604;--panel-shadow: 0 22px 52px rgba(0, 0, 0, .36);--card-shadow: 0 18px 40px rgba(0, 0, 0, .3);--brand-shadow: 6px 6px 0 rgba(0, 0, 0, .62);--field-shadow: 4px 4px 0 rgba(0, 0, 0, .32);--button-shadow: 3px 3px 0 rgba(0, 0, 0, .38);--small-button-shadow: 3px 3px 0 rgba(0, 0, 0, .34);--switch-shadow: 3px 3px 0 rgba(0, 0, 0, .32);--focus-shadow: 4px 4px 0 rgba(67, 97, 238, .38);--danger-text: #ffd2dc;--danger-bg: #542030;--good-text: #b8ffe9;--good-bg: #133f36;--panel-pattern-coral: rgba(255, 107, 107, .08);--panel-pattern-teal: rgba(46, 196, 182, .08);--progress-panel-bg: #1a1c16;--progress-bg: #2c2a1a}}:root[data-theme=dark]{color-scheme:dark;--ink: #f4efe7;--muted: #b8b0a6;--paper: #1f211c;--line: #3f4238;--canvas: #161711;--canvas-end: #10231f;--surface: rgba(30, 32, 27, .94);--field-bg: #12140f;--button-bg: #25271f;--shadow-ink: #050604;--panel-shadow: 0 22px 52px rgba(0, 0, 0, .36);--card-shadow: 0 18px 40px rgba(0, 0, 0, .3);--brand-shadow: 6px 6px 0 rgba(0, 0, 0, .62);--field-shadow: 4px 4px 0 rgba(0, 0, 0, .32);--button-shadow: 3px 3px 0 rgba(0, 0, 0, .38);--small-button-shadow: 3px 3px 0 rgba(0, 0, 0, .34);--switch-shadow: 3px 3px 0 rgba(0, 0, 0, .32);--focus-shadow: 4px 4px 0 rgba(67, 97, 238, .38);--danger-text: #ffd2dc;--danger-bg: #542030;--good-text: #b8ffe9;--good-bg: #133f36;--panel-pattern-coral: rgba(255, 107, 107, .08);--panel-pattern-teal: rgba(46, 196, 182, .08);--progress-panel-bg: #1a1c16;--progress-bg: #2c2a1a}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;padding:32px;background:linear-gradient(180deg,var(--canvas) 0%,var(--canvas-end) 100%)}.tracker-layout{display:grid;grid-template-columns:minmax(300px,.82fr) minmax(360px,1.18fr);gap:20px;width:min(1120px,100%);margin:0 auto;align-items:stretch}.tracker-layout-selected{grid-template-columns:minmax(0,1fr)}.tracker-layout-picker-only{grid-template-columns:minmax(300px,760px);justify-content:center}.control-panel,.age-panel{border:1px solid var(--line);border-radius:8px;background:var(--surface);box-shadow:var(--panel-shadow)}.control-panel{display:flex;flex-direction:column;gap:24px;padding:28px}.brand-row{display:flex;align-items:center;gap:14px}.brand-row>div:nth-child(2){min-width:0}.brand-mark{display:grid;width:48px;height:48px;place-items:center;border:2px solid var(--ink);border-radius:8px;color:var(--mark-ink);background:var(--yellow);box-shadow:var(--brand-shadow)}.brand-row p,.age-panel-header p,.stat-label{margin:0;color:var(--muted);font-size:.82rem;font-weight:800;letter-spacing:0;text-transform:uppercase}.brand-row h1{margin:4px 0 0;max-width:9em;color:var(--ink);font-size:2.5rem;line-height:.98;letter-spacing:0}.panel-action{display:grid;width:42px;height:42px;min-height:42px;place-items:center;border:1px solid color-mix(in srgb,var(--ink) 34%,transparent);border-radius:8px;padding:0;color:var(--ink);background:color-mix(in srgb,var(--button-bg) 88%,transparent);box-shadow:0 10px 24px #0506041a;transition:background-color .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.panel-action svg{stroke-width:2.35}.panel-action:hover{border-color:color-mix(in srgb,var(--ink) 58%,transparent);background:var(--button-bg);transform:translateY(-1px)}.panel-action:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.input-grid{display:grid;gap:14px}.birthdate-focus{display:grid;gap:16px;border-left:6px solid var(--yellow);border-radius:8px;padding:16px;background:color-mix(in srgb,var(--yellow) 18%,var(--surface))}.input-field{display:grid;gap:8px}.input-field span,.switch-control{display:flex;align-items:center;gap:8px;color:var(--ink);font-size:.94rem;font-weight:800}.birthdate-focus .input-field>span{font-size:1.16rem}.input-field input{width:100%;min-height:48px;border:2px solid var(--ink);border-radius:8px;padding:10px 12px;color:var(--ink);background:var(--field-bg);box-shadow:var(--field-shadow);outline:none}.input-field-featured input{min-height:66px;border-width:3px;padding:14px 16px;font-size:1.28rem;font-weight:850}.input-field input:focus{border-color:var(--blue);box-shadow:var(--focus-shadow)}.input-field-disabled{opacity:.58}.milestone-editor{display:grid;gap:12px}.optional-divider{display:flex;align-items:center;gap:14px;color:var(--teal);font-size:1.04rem;font-weight:950}.optional-divider:before,.optional-divider:after{height:1px;flex:1 1 auto;background:var(--line);content:""}.optional-section{display:grid;gap:16px}.calculate-date-field{width:min(100%,360px)}.milestone-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:10px;align-items:end}.milestone-add,.milestone-remove{width:40px;min-height:40px;justify-content:center;padding:0}.milestone-add{justify-self:end}.milestone-remove{align-self:end;min-height:48px}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.switch-control{min-height:40px;cursor:pointer}.switch-control input{position:absolute;opacity:0;pointer-events:none}.switch-control span{position:relative;width:48px;height:28px;flex:0 0 auto;border:2px solid var(--ink);border-radius:999px;background:var(--button-bg);box-shadow:var(--switch-shadow)}.switch-control span:after{position:absolute;top:4px;left:4px;width:16px;height:16px;border-radius:50%;background:var(--coral);transition:transform .18s ease,background-color .18s ease;content:""}.switch-control input:checked+span:after{transform:translate(20px);background:var(--teal)}.icon-button{display:inline-flex;align-items:center;gap:8px;min-height:40px;border:2px solid var(--ink);border-radius:8px;padding:0 12px;color:var(--ink);background:var(--button-bg);box-shadow:var(--button-shadow)}.icon-button:hover{transform:translateY(-1px)}.icon-button:disabled{cursor:not-allowed;opacity:.56;transform:none}.picker-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.validation-message{min-height:44px;margin:0;border:2px solid var(--ink);border-radius:8px;padding:10px 12px;color:var(--danger-text);background:var(--danger-bg);font-weight:800}.small-action{display:inline-flex;align-items:center;gap:6px;min-height:34px;border:2px solid var(--ink);border-radius:8px;padding:0 10px;color:var(--ink);background:var(--button-bg);box-shadow:var(--small-button-shadow);font-size:.88rem;font-weight:900}.small-action:hover{transform:translateY(-1px)}.age-panel{position:relative;overflow:hidden;padding:26px}.age-panel:before{position:absolute;top:0;right:0;bottom:0;left:0;background:repeating-linear-gradient(135deg,var(--panel-pattern-coral) 0 10px,transparent 10px 28px),repeating-linear-gradient(45deg,transparent 0 22px,var(--panel-pattern-teal) 22px 34px);content:"";pointer-events:none}.age-panel>*{position:relative}.age-panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.age-panel-header h2{margin:5px 0 0;font-size:3.4rem;line-height:1;letter-spacing:0}.age-panel-tools{display:inline-flex;align-items:center;gap:8px}.age-grid{display:grid;grid-template-columns:repeat(3,minmax(120px,1fr));gap:12px}.age-unit{display:grid;min-height:128px;align-content:center;justify-items:center;border:2px solid var(--ink);border-radius:8px;background:var(--field-bg);box-shadow:6px 6px color-mix(in srgb,var(--accent) 60%,var(--shadow-ink))}.age-value{color:var(--ink);font-variant-numeric:tabular-nums;font-size:2.72rem;font-weight:950;line-height:1;letter-spacing:0}.age-label{margin-top:9px;color:var(--muted);font-size:.8rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.progress-block{margin-top:24px;border:2px solid var(--ink);border-radius:8px;padding:14px;background:var(--progress-panel-bg)}.progress-copy{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.progress-copy span{color:var(--muted);font-weight:800}.progress-copy strong{color:var(--ink);font-variant-numeric:tabular-nums}.progress-track{height:16px;overflow:hidden;border:2px solid var(--ink);border-radius:999px;background:var(--progress-bg)}.progress-fill{height:100%;min-width:0;border-right:2px solid var(--ink);background:linear-gradient(90deg,var(--teal),var(--yellow),var(--coral));transition:width .28s ease}.notification-panel{display:grid;gap:14px;margin-top:20px;border-top:2px solid var(--ink);padding-top:16px}.notification-panel-header,.notification-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.notification-panel-header{align-items:center}.notification-panel-header strong{display:block;margin-top:4px;color:var(--ink);font-size:1.08rem;line-height:1.15}.notification-panel-header .small-action{width:38px;min-height:38px;justify-content:center;padding:0}.notification-period{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:8px}.notification-period-option{min-height:44px;border:2px solid var(--ink);border-radius:8px;padding:0 10px;color:var(--ink);background:var(--button-bg);box-shadow:var(--small-button-shadow);font-size:.88rem;font-weight:900;white-space:nowrap}.notification-period-option:hover{transform:translateY(-1px)}.notification-period-option-selected{background:var(--yellow)}.notification-row .input-field{flex:1 1 220px}.notification-save{min-height:48px}.notification-status{min-height:22px;margin:0;color:var(--muted);font-size:.92rem;font-weight:800}.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;width:min(1120px,100%);margin:20px auto 0}.milestone-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;width:min(1120px,100%);margin:20px auto 0}.stat-card{display:flex;min-height:132px;align-items:center;gap:14px;border:1px solid var(--line);border-radius:8px;padding:18px;background:var(--surface);box-shadow:var(--card-shadow)}.stat-icon{display:grid;width:46px;height:46px;flex:0 0 auto;place-items:center;border:2px solid var(--ink);border-radius:8px;color:var(--mark-ink);background:var(--yellow)}.stat-card strong,.stat-card span{display:block}.stat-card strong{margin-top:5px;color:var(--ink);font-size:1.45rem;line-height:1.08}.stat-card span{margin-top:4px;color:var(--muted);font-size:.92rem;font-weight:700}@media(max-width:880px){.app-shell{padding:20px}.tracker-layout,.stats-grid{grid-template-columns:1fr}.brand-row h1{max-width:none;font-size:2.1rem}}@media(max-width:560px){.app-shell{padding:14px}.control-panel,.age-panel{padding:18px}.brand-row{align-items:flex-start}.switch-row{align-items:stretch;flex-direction:column}.milestone-row{grid-template-columns:1fr}.milestone-add,.milestone-remove{width:100%}.picker-actions{justify-content:stretch}.icon-button{justify-content:center}.age-panel-header{align-items:center}.age-panel-tools{align-items:center;flex-direction:row}.age-panel-header h2{font-size:2.4rem}.age-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.age-unit{min-height:108px;box-shadow:4px 4px color-mix(in srgb,var(--accent) 60%,var(--shadow-ink))}.age-value{font-size:2.1rem}.notification-row{align-items:stretch;flex-direction:column}.notification-save{justify-content:center;width:100%}}