:root{color-scheme:light;--color-white: #ffffff;--color-surface: #fefeff;--color-surface-muted: #f5f5fa;--color-page-muted: #f5f6f8;--color-panel-muted: #f9fafb;--color-control-muted: #f3f4f6;--color-primary-soft: #eff6ff;--color-border-light: #eef0f3;--color-border: #e5e7eb;--color-border-strong: #d8d8d8;--color-border-control: #d1d5db;--color-text: #1f2937;--color-text-strong: #111827;--color-text-muted: #6b7280;--color-text-light: #9ca3af;--color-text-subtle: #4b5563;--color-label: #374151;--color-success: #22c55e;--color-warning: #f07a20;--color-primary: #3b82f6;--color-info: #76a8f9;--color-danger: #ef4444;--color-page-bg-start: #fafafa;--color-page-bg-end: #edeef1;--color-splash-bg: #ffffff;--color-status-due-later: var(--color-text-muted);--color-status-due-soon: var(--color-primary);--color-status-due-today: var(--color-warning);--color-status-overdue: var(--color-danger);--color-row-hover: rgba(31, 41, 55, .04);--habit-blue-soft: #dbeafe;--habit-green-soft: #d1fae5;--habit-teal-soft: #c9f8fa;--habit-orange-soft: #ffedd5;--habit-purple-soft: #ede9fe;--habit-red-soft: #fee2e2;--header-color: var(--color-primary)}html.theme-light{color-scheme:light}html.theme-dark{color-scheme:dark;--color-white: #0f172a;--color-surface: #111827;--color-surface-muted: #111827;--color-page-muted: #0b1121;--color-panel-muted: #111827;--color-control-muted: #1c273f;--color-primary-soft: #1b2b4f;--color-border-light: #2c3a59;--color-border: #374151;--color-border-strong: #4b5563;--color-border-control: #334155;--color-text: #e2e8f0;--color-text-strong: #f8fafc;--color-text-muted: #94a3b8;--color-text-light: #cbd5e1;--color-text-subtle: #cbd5e1;--color-label: #cbd5e1;--color-success: #4ade80;--color-warning: #f59e0b;--color-primary: #60a5fa;--color-info: #7dd3fc;--color-danger: #f87171;--color-page-bg-start: #020617;--color-page-bg-end: #111827;--color-splash-bg: #0f172a;--color-status-due-later: var(--color-text-light);--color-status-due-soon: var(--color-primary);--color-status-due-today: var(--color-warning);--color-status-overdue: var(--color-danger);--color-row-hover: rgba(255, 255, 255, .08);--habit-blue-soft: #132c71;--habit-green-soft: #064e3b;--habit-teal-soft: #0c4a6e;--habit-orange-soft: #662610;--habit-purple-soft: #46166c;--habit-red-soft: #6a0d0d;--header-color: var(--color-text)}*,*:before,*:after{transition:background-color .22s ease}html{min-height:100%;background:linear-gradient(180deg,var(--color-page-bg-start),var(--color-page-bg-end))}body{margin:0;min-height:100%;font-family:ui-rounded,SF Pro Rounded,Segoe UI Round,Segoe UI,Roboto,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(180deg,var(--color-page-bg-start),var(--color-page-bg-end));color:var(--color-text);overflow-x:hidden;-webkit-overflow-scrolling:touch}*{box-sizing:border-box}.m-bottom-0{margin-bottom:0!important}.card{background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:14px;box-shadow:0 2px 8px #0f172a0f;overflow:hidden}.image-card{padding:12px!important;display:grid;place-items:center}h2{color:var(--header-color)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.main-padded{flex:1;padding-top:40px;padding-bottom:calc(104px + env(safe-area-inset-bottom,0px))}.placeholder-screen{max-width:700px;margin:0 auto;padding:48px 16px;text-align:center;color:var(--color-text-muted);font-size:16px}.container{max-width:700px;margin:20px auto 40px;padding:0 16px}.header{margin-bottom:24px}.header.with-button{display:flex;justify-content:space-between;align-items:center}.header .logo{width:32px;vertical-align:bottom;margin-right:10px}.header h1{line-height:38px;margin:0;font-size:28px;color:var(--header-color)}.splash-screen{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;min-height:100vh;background:var(--color-splash-bg);opacity:1;transition:opacity .4s ease}.splash-screen--exiting{opacity:0}.splash-screen__icon{display:block;width:clamp(104px,24vw,152px);aspect-ratio:685/724;object-fit:contain}.splash-screen__spinner{width:28px;height:28px;border:3px solid rgba(59,130,246,.2);border-top-color:var(--color-primary);border-radius:50%;animation:splash-spin .8s linear infinite}@keyframes splash-spin{to{transform:rotate(360deg)}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--color-white);border-top:1px solid var(--color-border);box-shadow:0 -4px 12px #0000000f;padding-bottom:calc(env(safe-area-inset-bottom,0px) + 10px);min-height:70px;z-index:10}.tab-button{flex:1;border:none;background:transparent;padding:0 8px 8px;font-size:12px;font-weight:500;font-family:inherit;color:var(--color-text-muted);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px}.tab-button-icon{font-size:18px}.tab-button-label{line-height:1}.tab-button--active{color:var(--color-primary);font-weight:600}.settings-screen{max-width:700px;margin:0 auto;padding:20px 16px 40px}.settings-actions{display:flex;flex-direction:column;gap:16px}.settings-panel{background:var(--color-white);border:1px solid var(--color-border);border-radius:8px;padding:16px;display:flex;align-items:center;justify-content:space-between;gap:16px}.settings-panel h3{margin:0 0 6px;font-size:16px}.settings-panel p{margin:0;color:var(--color-text-muted);font-size:14px}.settings-panel--stacked{align-items:stretch;flex-direction:column}.settings-error{color:var(--color-danger)!important;margin-top:8px!important}.settings-secondary-btn{background:var(--color-primary);color:var(--color-white);border:none;padding:10px 14px;border-radius:8px;font-weight:600;font-size:14px;font-family:inherit;cursor:pointer;white-space:nowrap}.settings-secondary-btn:disabled{opacity:.55;cursor:not-allowed}.settings-secondary-btn--muted{background:var(--color-control-muted);color:var(--color-label)}.bug-report-form{display:flex;flex-direction:column;gap:12px}.bug-report-field{display:flex;flex-direction:column;gap:8px}.bug-report-label{color:var(--color-label);font-size:14px;font-weight:600}.bug-report-textarea{width:100%;min-height:112px;resize:vertical;border:1px solid var(--color-border-control);border-radius:8px;background:var(--color-white);color:var(--color-text);font-family:inherit;font-size:16px;line-height:1.45;padding:10px 12px}.bug-report-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f633}.bug-report-textarea:disabled{opacity:.65;cursor:not-allowed}.bug-report-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.settings-select-label{display:flex;align-items:center;gap:10px;color:var(--color-label);font-size:14px;font-weight:600;white-space:nowrap}.settings-select{min-width:76px;border:1px solid var(--color-border-control);border-radius:8px;background:var(--color-white);color:var(--color-text);font-family:inherit;font-size:15px;font-weight:600;padding:9px 10px}.settings-select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f633}.settings-select:disabled{opacity:.55;cursor:not-allowed}.theme-toggle{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.theme-toggle__option{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:9999px;border:1px solid var(--color-border-control);background:var(--color-surface);color:var(--color-text);cursor:pointer;font-size:14px;font-weight:600;font-family:inherit;transition:background-color .18s ease,color .18s ease,border-color .18s ease}.theme-toggle__option--active{border-color:var(--color-primary);background:var(--color-primary);color:var(--color-white)}.theme-toggle__icon{font-size:1rem}.theme-toggle__label{display:inline-block}.clear-data-btn{background:var(--color-danger);color:var(--color-white);border:none;padding:12px 20px;border-radius:8px;font-weight:600;font-size:15px;font-family:inherit;cursor:pointer}@media (max-width: 520px){.settings-panel{align-items:stretch;flex-direction:column}.settings-secondary-btn{width:100%}.bug-report-actions{flex-direction:column-reverse}.settings-select-label{justify-content:space-between;width:100%}}.add-btn{background:var(--color-primary);color:var(--color-white);border:none;padding:10px 16px;border-radius:8px;font-weight:600;cursor:pointer;font-family:inherit;font-size:14px}.habit-card{position:relative;display:flex;align-items:stretch;justify-content:space-between;padding:0;margin-bottom:16px}.habit-card .habit-rail-icon svg{width:1em;height:1em}.habit-card-menu{position:relative;flex:0 0 auto;z-index:3}.habit-card-menu-trigger{height:32px;border:none;background:transparent;color:var(--color-label);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}.habit-card-menu-trigger:hover,.habit-card-menu-trigger:focus-visible{background:transparent;outline:none}.habit-rail{width:42px;display:flex;align-items:center;justify-content:center;border-radius:14px 0 0 14px}.habit-rail-icon{width:26px;height:26px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:16px}.habit-content{flex:1;display:flex;flex-direction:column;justify-content:center;padding:14px 12px}.habit-content h3{margin:0;font-size:1.65rem;color:var(--color-text-strong);font-weight:600;line-height:1.1}.habit-details{display:flex;align-items:stretch;justify-content:space-between;gap:12px;margin-top:12px}.habit-left{display:flex;align-items:center;gap:10px;padding:0;min-width:0;flex:1}.habit-right{text-align:right;display:flex;flex-direction:column;justify-content:center;gap:8px;padding:0}.habit-content .frequency{font-size:1.25rem;font-weight:500;margin:0}.habit-content .status{font-size:1.15rem;margin:0;border-radius:10px;padding:4px 10px;text-align:center;font-weight:600}.habit-content .status.due-later{background:color-mix(in srgb,var(--color-status-due-later),transparent 82%);color:var(--color-text-light)}.habit-content .status.due-soon{background:color-mix(in srgb,var(--color-status-due-soon),transparent 82%);color:var(--color-primary)}.habit-content .status.due-today{background:color-mix(in srgb,var(--color-status-due-today),transparent 82%);color:var(--color-warning)}.habit-content .status.overdue{background:color-mix(in srgb,var(--color-status-overdue),transparent 82%);color:var(--color-danger)}.habit-action{position:relative;width:42px;display:flex;align-items:center;justify-content:center;border-radius:0 14px 14px 0;border-left:1px solid var(--color-border);color:var(--color-text-muted);overflow:hidden;isolation:isolate}.habit-action:before{content:"";position:absolute;top:50%;left:50%;width:220%;aspect-ratio:1;background:var(--color-success);border-radius:50%;transform:translate(-50%,-50%) scale(0);transform-origin:center;transition:transform .3s ease-out;z-index:-1}.habit-action button{position:relative;z-index:1;height:100%;width:100%;background:unset;border:unset;font-size:16px;color:inherit;opacity:.2;transition:transform .16s ease-out}.habit-action.done{color:var(--color-white)}.habit-action.done:before{transform:translate(-50%,-50%) scale(1.7)}.habit-action.done button{opacity:1;transform:scale(1.08)}@media (prefers-reduced-motion: reduce){.habit-action:before,.habit-action button{transition:none}.habit-action.done button{transform:none}}.buttons{display:flex;gap:8px;justify-content:flex-end}.btn{border:none;padding:7px 14px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit;line-height:1.1}.done-btn{color:var(--color-white);border:1px solid transparent}.done-btn:disabled{opacity:.55;cursor:not-allowed}.blue{color:#3b82f6}.blue .habit-rail{background:var(--habit-blue-soft)}.blue .habit-rail-icon{color:#3b82f6}.green{color:#10b981}.green .habit-rail{background:var(--habit-green-soft)}.green .habit-rail-icon{color:#10b981}.teal{color:#10abb9}.teal .habit-rail{background:var(--habit-teal-soft)}.teal .habit-rail-icon{color:#10abb9}.orange{color:#f97316}.orange .habit-rail{background:var(--habit-orange-soft)}.orange .habit-rail-icon{color:#f97316}.purple{color:#8b5cf6}.purple .habit-rail{background:var(--habit-purple-soft)}.purple .habit-rail-icon{color:#8b5cf6}.red{color:#ef4444}.red .habit-rail{background:var(--habit-red-soft)}.red .habit-rail-icon{color:#ef4444}@media (max-width: 560px){.habit-card{align-items:stretch}.habit-content h3{font-size:1.35rem}.habit-content .frequency,.habit-content .status{font-size:1rem}.days{font-size:.95rem}.days strong{font-size:1.3rem}.status{font-size:.95rem;padding:4px 8px}.btn{padding:6px 10px;font-size:13px}}.habits-empty{text-align:center;color:var(--color-text-muted);font-size:15px;margin:32px 0}.habit-form-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(15,23,42,.45);z-index:100;display:flex;align-items:flex-end;justify-content:center;padding:0}@media (min-width: 480px){.habit-form-backdrop{align-items:center;padding:16px}}.habit-form-modal{background:var(--color-white);width:100%;max-width:520px;max-height:min(92vh,720px);overflow-y:auto;border-radius:16px 16px 0 0;padding:20px 18px 24px;box-shadow:0 -8px 32px #0000001f}@media (max-width: 479.98px){.habit-form-modal{animation:habit-form-slide-in .2s ease-out}.habit-form-modal--closing{animation:habit-form-slide-out .2s ease-in forwards}}@media (min-width: 480px){.habit-form-modal{border-radius:16px}}@media (prefers-reduced-motion: reduce){.habit-form-modal{animation:none}}@keyframes habit-form-slide-in{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes habit-form-slide-out{0%{transform:translateY(0)}to{transform:translateY(100%)}}.habit-form-heading{margin:0 0 18px;font-size:22px}.habit-form{display:flex;flex-direction:column;gap:16px}.habit-form-field{display:flex;flex-direction:column;gap:6px}.habit-form-label{font-size:13px;font-weight:600;color:var(--color-label)}.habit-form-input{border:1px solid var(--color-border-control);border-radius:8px;padding:10px 12px;font-size:16px;font-family:inherit;color:var(--color-text)}.habit-form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f633}.habit-swatch-row{display:flex;flex-wrap:wrap;gap:10px}.habit-swatch{width:40px;height:40px;border-radius:50%;border:2px solid transparent;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center;background:var(--color-control-muted)}.habit-swatch--active{border-color:var(--color-text);box-shadow:0 0 0 2px var(--color-white),0 0 0 4px var(--color-primary)}.habit-swatch-dot{width:22px;height:22px;border-radius:50%;display:block}.habit-icon-picker{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:8px;max-height:200px;overflow-y:auto;padding:4px;border:1px solid var(--color-border);border-radius:10px;background:var(--color-panel-muted)}.habit-icon-option{width:44px;height:44px;border:1px solid var(--color-border);border-radius:10px;background:var(--color-white);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--color-label);padding:0}.habit-icon-option--active{border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary)}.habit-form-hint{margin:0;font-size:13px;color:var(--color-warning)}.habit-form-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:8px}.habit-form-actions-end{display:flex;gap:10px;margin-left:auto}.habit-form-btn{border:none;border-radius:8px;padding:10px 18px;font-weight:600;font-size:14px;font-family:inherit;cursor:pointer}.habit-form-btn--secondary{background:var(--color-control-muted);color:var(--color-label)}.habit-form-btn--primary{background:var(--color-primary);color:var(--color-white)}.habit-form-btn--primary:disabled{opacity:.5;cursor:not-allowed}.habit-form-btn--danger{background:var(--color-danger);color:var(--color-white)}.habit-form-btn--danger:hover{filter:brightness(.95)}.history-screen{max-width:700px;margin:0 auto;padding:20px 16px 32px}.history-group-switch{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 0 18px;padding:4px;border:1px solid var(--color-border-control);border-radius:8px;background:var(--color-border)}.history-group-switch-btn{min-height:28px;border:none;border-radius:6px;background:transparent;color:var(--color-text-subtle);cursor:pointer;font-family:inherit;font-size:14px;font-weight:700}.history-group-switch-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.history-group-switch-btn--active{background:var(--color-white);color:var(--color-text);box-shadow:0 1px 3px #0f172a1f}.history-empty{color:var(--color-text-muted)}.history-habit{background:var(--color-white);border:1px solid var(--color-border-strong);border-radius:12px;padding:14px 16px;margin-bottom:12px;box-shadow:0 4px 12px #0000000d}.history-habit h3{margin:0 0 8px;font-size:16px;font-weight:700}.history-habit-title{display:flex;align-items:center;gap:8px}.history-habit-icon{font-size:14px}.history-list{margin:0;padding:0;list-style:none;color:var(--color-label);display:flex;flex-direction:column;gap:8px}.history-row{margin:0;border-radius:10px;background:var(--color-surface-muted);border:1px solid var(--color-border);line-height:1.2;overflow:hidden}.history-row-button{display:flex;align-items:center;width:100%;padding:10px 12px;margin:0;border:none;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer;gap:6px}.history-row-button:hover,.history-row-button:focus-visible{outline:none;background:var(--color-row-hover)}.history-date-group{background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:12px;padding:14px 16px;margin-bottom:12px;box-shadow:0 4px 12px #0000000d}.history-date-group h3{margin:0 0 8px;font-size:16px;font-weight:700}.history-date-group .history-row{display:flex;align-items:center;gap:8px;font-weight:600}.history-habit--blue h3,.history-row--blue{color:#3b82f6}.history-habit--green h3,.history-row--green{color:#10b981}.history-habit--teal h3,.history-row--teal{color:#10abb9}.history-habit--orange h3,.history-row--orange{color:#f97316}.history-habit--purple h3,.history-row--purple{color:#8b5cf6}.history-habit--red h3,.history-row--red{color:#ef4444}.today-screen{display:flex;flex-direction:column}.today-summary{margin:6px 0 0;color:var(--color-text-subtle);max-width:36rem}.today-card{padding:12px!important;display:grid;place-items:center}.today-donut{position:relative;width:220px;height:220px}.today-donut-svg{width:100%;height:100%;transform:rotate(-90deg)}.donut-circle{fill:none;stroke-width:20;stroke-linecap:round;transition:stroke-dasharray .3s ease,stroke-dashoffset .3s ease}.donut-circle--track{stroke:var(--color-border-strong);opacity:.4}.donut-circle--due-today{stroke:var(--color-status-due-today)}.donut-circle--done{stroke:var(--color-success)}.donut-circle--overdue{stroke:var(--color-status-overdue)}.today-donut-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;line-height:1.1}.today-donut-count{display:block;font-size:2.4rem;font-weight:700;color:var(--color-text-strong)}.today-donut-text{display:block;margin-top:4px;color:var(--color-text-subtle);font-size:1rem}.today-section{display:grid}.today-section-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:16px 0}.today-section-header h2{margin:0;font-size:1.4rem}.today-count{color:var(--color-text-subtle);font-size:.95rem;white-space:nowrap}.today-empty{margin:0;color:var(--color-text-subtle);padding:16px 0}@media (max-width: 560px){.today-card{padding:18px}.today-donut{width:180px;height:180px}.today-header,.today-section-header{flex-direction:column;align-items:flex-start}}.today-no-habits{text-align:center}.center-image{max-width:400px;width:60%;margin:68px auto 30px;opacity:.4}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--color-page-muted)}.login-form{background:var(--color-white);padding:40px;border-radius:12px;box-shadow:0 4px 12px #0000001a;width:100%;max-width:400px}.login-form h1{text-align:center;margin:0 0 24px;font-size:24px;color:var(--color-text)}.login-form h1 .logo{width:32px;vertical-align:bottom;margin-right:10px}.login-form button[type=submit]{width:100%;background:var(--color-primary);color:var(--color-white);border:none;padding:12px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;margin-bottom:16px}.login-form button[type=submit]:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:4px;font-weight:500;color:var(--color-label)}.form-group input{width:100%;padding:12px;border:1px solid var(--color-border-control);border-radius:8px;font-size:16px;font-family:inherit}.form-group input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.toggle-mode{width:100%;background:transparent;border:none;color:var(--color-primary);cursor:pointer;font-size:14px;text-decoration:underline}.error-message{color:var(--color-danger);font-size:14px;margin-bottom:16px;text-align:center}