*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8f9ff;--surface:#fff;--surface-2:#f1f3fb;--border:#e4e7f0;--text:#374151;--text-muted:#6b7280;--text-heading:#111827;--shadow-sm:0 1px 3px #00000014, 0 1px 2px #0000000d;--shadow-md:0 4px 12px #0000001a, 0 2px 4px #0000000f;--shadow-lg:0 10px 30px #0000001f, 0 4px 8px #0000000f;--radius:14px;--radius-sm:8px;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0f1117;--surface:#1a1d27;--surface-2:#222535;--border:#2d3148;--text:#c4c9d8;--text-muted:#6b7280;--text-heading:#f0f2ff;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 10px 30px #00000080}}body{margin:0}#root{min-height:100svh}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input{font-family:inherit}.app{background:var(--bg);min-height:100svh}.main{max-width:720px;margin:0 auto;padding:0 16px 48px}.header{background:var(--surface);border-bottom:1px solid var(--border);margin-bottom:24px;padding:24px 24px 20px}.header-top{justify-content:space-between;align-items:center;gap:16px;max-width:720px;margin:0 auto;display:flex}.greeting{color:var(--text-muted);margin-bottom:4px;font-size:14px}.header-title{color:var(--text-heading);letter-spacing:-.5px;margin-bottom:4px;font-size:28px;font-weight:700}.header-date{color:var(--text-muted);font-size:14px}.header-stats{flex-direction:column;align-items:center;gap:4px;display:flex}.progress-ring-container{width:72px;height:72px;position:relative}.progress-ring{transform:rotate(-90deg)}.progress-ring-bg{stroke:var(--border)}.progress-ring-fill{stroke:#6366f1;stroke-linecap:round;transition:stroke-dashoffset .5s}.progress-ring-text{justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.progress-pct{color:var(--text-heading);font-size:14px;font-weight:700}.progress-label{color:var(--text-muted);font-size:12px}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.filter-tabs{background:var(--surface);border:1px solid var(--border);border-radius:10px;gap:6px;padding:4px;display:flex}.filter-tab{color:var(--text-muted);border-radius:7px;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.filter-tab:hover{color:var(--text-heading)}.filter-tab--active{background:var(--bg);color:var(--text-heading);box-shadow:var(--shadow-sm)}.tab-count{background:var(--surface-2);border-radius:20px;padding:1px 7px;font-size:11px;font-weight:600}.filter-tab--active .tab-count{color:#fff;background:#6366f1}.add-btn{color:#fff;background:#6366f1;border-radius:10px;padding:8px 18px;font-size:14px;font-weight:600;transition:transform .1s,box-shadow .1s;box-shadow:0 2px 8px #6366f159}.add-btn:hover{transform:translateY(-1px);box-shadow:0 4px 14px #6366f173}.add-btn:active{transform:translateY(0)}.habit-list{flex-direction:column;gap:14px;display:flex}.habit-card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .2s;display:flex;overflow:hidden}.habit-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.habit-card--done{border-color:color-mix(in srgb, var(--habit-color) 30%, transparent)}.habit-card-accent{background:var(--habit-color,#6366f1);flex-shrink:0;width:4px}.habit-card-body{flex:1;min-width:0;padding:16px}.habit-card-top{align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.habit-emoji-btn{background:color-mix(in srgb, var(--habit-color,#6366f1) 12%, transparent);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;transition:background .15s;display:flex}.habit-emoji-btn:hover{background:color-mix(in srgb, var(--habit-color,#6366f1) 20%, transparent)}.habit-emoji{font-size:22px}.habit-info{padding-top:2px}.habit-name{color:var(--text-heading);margin-bottom:4px;font-size:15px;font-weight:600}.streak-badge{color:var(--text-muted);background:var(--surface-2);border-radius:20px;padding:2px 8px;font-size:12px;display:inline-block}.habit-actions{flex-shrink:0;gap:4px;margin-left:auto;display:flex}.action-btn{opacity:.5;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;transition:background .15s;display:flex}.action-btn:hover{opacity:1;background:var(--surface-2)}.date-nav{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;margin-bottom:16px;padding:10px 8px;display:flex}.date-nav-arrow{width:36px;height:36px;color:var(--text-muted);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;font-size:22px;transition:background .15s,color .15s;display:flex}.date-nav-arrow:hover:not(:disabled){background:var(--surface-2);color:var(--text-heading)}.date-nav-arrow:disabled{opacity:.25;cursor:default}.date-nav-center{flex-direction:column;flex:1;align-items:center;gap:4px;display:flex}.date-nav-label{color:var(--text-heading);letter-spacing:-.2px;font-size:16px;font-weight:700}.date-nav-today-btn{color:#6366f1;background:#6366f11a;border-radius:20px;padding:2px 10px;font-size:11px;font-weight:600;transition:background .15s}.date-nav-today-btn:hover{background:#6366f12e}.complete-btn{border:1.5px solid var(--border);width:100%;color:var(--text-muted);background:var(--surface-2);border-radius:10px;padding:9px;font-size:13px;font-weight:600;transition:all .15s}.complete-btn:hover{border-color:var(--habit-color,#6366f1);color:var(--habit-color,#6366f1);background:color-mix(in srgb, var(--habit-color,#6366f1) 8%, transparent)}.complete-btn--done{background:color-mix(in srgb, var(--habit-color,#6366f1) 12%, transparent);border-color:var(--habit-color,#6366f1);color:var(--habit-color,#6366f1)}.empty-state{text-align:center;background:var(--surface);border-radius:var(--radius);border:1px dashed var(--border);padding:64px 24px}.empty-icon{margin-bottom:16px;font-size:48px}.empty-state h3{color:var(--text-heading);margin-bottom:8px;font-size:18px;font-weight:600}.empty-state p{color:var(--text-muted);margin-bottom:24px;font-size:14px}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:flex-end;padding:16px;display:flex;position:fixed;inset:0}@media (width>=600px){.modal-overlay{align-items:center}}.modal{background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;width:100%;max-width:480px;box-shadow:var(--shadow-lg);max-height:90svh;animation:.25s slideUp;overflow-y:auto}@media (width>=600px){.modal{border-radius:var(--radius);animation:.2s fadeScale}}@keyframes slideUp{0%{opacity:0;transform:translateY(60px)}to{opacity:1;transform:none}}@keyframes fadeScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:none}}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;padding:20px 20px 0;display:flex}.modal-header h2{color:var(--text-heading);font-size:18px;font-weight:700}.modal-close{width:32px;height:32px;color:var(--text-muted);border-radius:8px;justify-content:center;align-items:center;font-size:14px;transition:background .15s;display:flex}.modal-close:hover{background:var(--surface-2);color:var(--text-heading)}.modal-form{flex-direction:column;gap:18px;padding:0 20px 20px;display:flex}.form-group{flex-direction:column;gap:8px;display:flex}.form-group label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:13px;font-weight:600}.form-group input{border:1.5px solid var(--border);background:var(--surface-2);color:var(--text-heading);border-radius:10px;outline:none;padding:10px 14px;font-size:15px;transition:border-color .15s}.form-group input:focus{border-color:#6366f1}.emoji-grid{flex-wrap:wrap;gap:6px;display:flex}.emoji-option{border:1.5px solid var(--border);background:var(--surface-2);border-radius:10px;justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;transition:all .12s;display:flex}.emoji-option:hover{border-color:#6366f1;transform:scale(1.1)}.emoji-option--selected{background:#6366f11f;border-color:#6366f1;transform:scale(1.05)}.color-grid{flex-wrap:wrap;gap:8px;display:flex}.color-option{border:3px solid #0000;border-radius:50%;width:32px;height:32px;transition:transform .12s,border-color .12s}.color-option:hover{transform:scale(1.15)}.color-option--selected{border-color:var(--text-heading);transform:scale(1.15)}.modal-preview{justify-content:center;padding:12px 0;display:flex}.preview-badge{color:#fff;border-radius:30px;align-items:center;gap:10px;padding:10px 18px;font-size:14px;font-weight:600;display:flex}.preview-name{text-overflow:ellipsis;white-space:nowrap;max-width:180px;overflow:hidden}.modal-actions{justify-content:flex-end;gap:10px;display:flex}.btn{border-radius:10px;padding:9px 20px;font-size:14px;font-weight:600;transition:all .15s}.btn--primary{color:#fff;background:#6366f1;box-shadow:0 2px 8px #6366f14d}.btn--primary:hover{background:#5558e8}.btn--primary:disabled{opacity:.4;cursor:not-allowed}.btn--secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn--secondary:hover{background:var(--border)}.modal--progress{max-width:560px}.progress-habit-title{align-items:center;gap:10px;display:flex}.progress-habit-emoji{font-size:26px}.progress-habit-title h2{color:var(--text-heading);font-size:18px;font-weight:700}.progress-stats-row{grid-template-columns:repeat(2,1fr);gap:10px;padding:0 20px 20px;display:grid}.stat-card{background:color-mix(in srgb, var(--card-color,#6366f1) 10%, var(--surface-2));border:1px solid color-mix(in srgb, var(--card-color,#6366f1) 20%, transparent);border-radius:var(--radius-sm);text-align:center;padding:14px}.stat-value{color:var(--text-heading);margin-bottom:4px;font-size:22px;font-weight:700}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:500}.progress-section{padding:0 20px 20px}.progress-section h3{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;font-size:14px;font-weight:600}.calendar-grid{grid-template-columns:repeat(10,1fr);gap:5px;margin-bottom:10px;display:grid}.cal-dot{aspect-ratio:1;background:var(--surface-2);border:1.5px solid var(--border);border-radius:6px;justify-content:center;align-items:center;transition:all .12s;display:flex;position:relative}.cal-dot:hover{border-color:var(--text-muted);transform:scale(1.1)}.cal-dot--today{outline-offset:1px;outline:2px solid #6366f1}.cal-dot--done{border-color:#0000}.cal-dot-label{color:#ffffffb3;font-size:9px;font-weight:600}.cal-dot:not(.cal-dot--done) .cal-dot-label{color:var(--text-muted)}.calendar-legend{color:var(--text-muted);justify-content:flex-end;align-items:center;gap:6px;font-size:12px;display:flex}.legend-empty,.legend-done{border-radius:4px;width:14px;height:14px;display:inline-block}.legend-empty{background:var(--surface-2);border:1px solid var(--border)}@media (width<=480px){.filter-tabs{flex-wrap:wrap}.progress-stats-row{grid-template-columns:repeat(2,1fr)}.calendar-grid{grid-template-columns:repeat(6,1fr)}}.header-right{flex-direction:column;align-items:flex-end;gap:10px;display:flex}.header-user{align-items:center;gap:8px;display:flex}.user-avatar{object-fit:cover;border:2px solid var(--border);border-radius:50%;width:30px;height:30px}.signout-btn{color:var(--text-muted);border:1px solid var(--border);background:var(--surface-2);border-radius:8px;padding:4px 10px;font-size:12px;font-weight:600;transition:all .15s}.signout-btn:hover{color:var(--text-heading);border-color:var(--text-muted)}.app-loader{background:var(--bg);justify-content:center;align-items:center;min-height:100svh;display:flex}.app-loader-spinner{border:3px solid var(--border);border-top-color:#6366f1;border-radius:50%;width:40px;height:40px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.login-page{background:var(--bg);justify-content:center;align-items:center;min-height:100svh;padding:24px;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);text-align:center;width:100%;max-width:380px;box-shadow:var(--shadow-lg);border-radius:20px;padding:48px 40px}.login-icon{margin-bottom:16px;font-size:52px}.login-title{color:var(--text-heading);letter-spacing:-.5px;margin-bottom:10px;font-size:28px;font-weight:700}.login-subtitle{color:var(--text-muted);margin-bottom:32px;font-size:14px;line-height:1.6}.google-btn{border:1.5px solid var(--border);background:var(--surface);width:100%;color:var(--text-heading);box-shadow:var(--shadow-sm);border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:12px 20px;font-size:15px;font-weight:600;transition:all .15s;display:flex}.google-btn:hover{box-shadow:var(--shadow-md);border-color:#6366f1;transform:translateY(-1px)}.google-btn:active{transform:none}.google-logo{flex-shrink:0}