*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0a0a0a;--card: #161616;--text: #e5e5e5;--text-secondary: #888888;--text-muted: #555555;--border: #262626;--primary: #f97316;--primary-light: rgba(249, 115, 22, .1);--success: #22c55e;--success-light: rgba(34, 197, 94, .1);--danger: #ef4444;--radius: 6px;--radius-sm: 4px;--shadow: 0 1px 2px rgba(0, 0, 0, .3);--shadow-lg: 0 4px 12px rgba(0, 0, 0, .4);--font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;--safe-bottom: env(safe-area-inset-bottom, 0px)}html{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}body{min-height:100dvh;background:var(--bg)}.app{max-width:600px;margin:0 auto;padding-bottom:calc(72px + var(--safe-bottom))}.main{padding:16px;padding-top:max(16px,env(safe-area-inset-top,16px))}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100dvh}.loading-dot{width:12px;height:12px;border-radius:50%;background:var(--primary);animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.login-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;padding:24px}.login-logo{font-size:48px;margin-bottom:8px}.login-title{font-size:28px;font-weight:700;margin-bottom:4px;letter-spacing:-.5px}.login-subtitle{color:var(--text-secondary);font-size:15px;margin-bottom:32px}.login-form{width:100%;max-width:320px;display:flex;flex-direction:column;gap:12px}.input{width:100%;padding:14px 16px;font-size:16px;font-family:var(--font);border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--card);color:var(--text);outline:none;transition:border-color .2s}.input:focus{border-color:var(--primary)}.btn{padding:14px 24px;font-size:16px;font-weight:600;font-family:var(--font);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:transform .1s,opacity .2s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--text)}.btn-outline{background:#222;border:2px solid var(--border);color:var(--text)}.error-text{color:var(--danger);font-size:14px;text-align:center}.header{margin-bottom:24px}.header-date{font-size:14px;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.header-title{font-size:32px;font-weight:700;letter-spacing:-.5px}.progress-section{display:flex;align-items:center;gap:20px;background:var(--card);border-radius:var(--radius);padding:20px;margin-bottom:24px;box-shadow:var(--shadow)}.progress-ring-container{position:relative;width:72px;height:72px;flex-shrink:0}.progress-ring{transform:rotate(-90deg)}.progress-ring-bg{fill:none;stroke:var(--border);stroke-width:5}.progress-ring-fill{fill:none;stroke:var(--primary);stroke-width:5;stroke-linecap:round;transition:stroke-dashoffset .6s ease}.progress-ring-text{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}.progress-info h3{font-size:18px;font-weight:600;margin-bottom:2px}.progress-info p{font-size:14px;color:var(--text-secondary)}.habit-list{display:flex;flex-direction:column;gap:10px}.habit-card{display:flex;align-items:center;gap:14px;background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:transform .15s,box-shadow .15s;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.habit-card:active{transform:scale(.98)}.habit-card.completed{background:var(--success-light)}.habit-check{width:40px;height:40px;border-radius:50%;border:2.5px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s ease;font-size:18px}.habit-card.completed .habit-check{border-color:var(--success);background:var(--success);animation:checkPop .3s ease}@keyframes checkPop{0%{transform:scale(1)}50%{transform:scale(1.2)}to{transform:scale(1)}}.check-icon{opacity:0;color:#fff;font-size:20px;font-weight:700;transition:opacity .2s}.habit-card.completed .check-icon{opacity:1}.habit-icon{font-size:20px;transition:opacity .2s}.habit-card.completed .habit-icon{opacity:0;position:absolute}.habit-info{flex:1;min-width:0}.habit-name{font-size:16px;font-weight:600;margin-bottom:2px}.habit-streak{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:4px}.streak-fire{font-size:12px}.habit-color-dot{width:4px;height:32px;border-radius:2px;flex-shrink:0}.nav{position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--border);display:flex;justify-content:center;padding-bottom:var(--safe-bottom);z-index:100}.nav-inner{display:flex;width:100%;max-width:600px}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 0 8px;background:none;border:none;font-family:var(--font);font-size:11px;font-weight:500;color:var(--text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;transition:color .2s}.nav-item.active{color:var(--primary)}.nav-icon{font-size:22px;line-height:1}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.calendar-nav-btn{width:36px;height:36px;border-radius:var(--radius);border:1px solid var(--border);background:#222;color:var(--text);cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.calendar-month{font-size:18px;font-weight:600}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:24px}.calendar-day-label{text-align:center;font-size:12px;color:var(--text-muted);font-weight:500;padding:4px 0}.calendar-day{aspect-ratio:1;border-radius:var(--radius-sm);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:14px;position:relative;cursor:pointer;-webkit-tap-highlight-color:transparent}.calendar-day.today{font-weight:700;background:var(--primary-light)}.calendar-day.empty{cursor:default}.calendar-dots{display:flex;gap:2px;margin-top:2px}.calendar-dot{width:5px;height:5px;border-radius:50%}.calendar-day-detail{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.calendar-day-detail h3{font-size:16px;margin-bottom:12px}.calendar-detail-item{display:flex;align-items:center;gap:10px;padding:8px 0}.calendar-detail-check{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff}.settings-section{margin-bottom:32px}.settings-section h2{font-size:14px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:12px}.settings-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.settings-item{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border)}.settings-item:last-child{border-bottom:none}.settings-item-icon{font-size:20px;width:32px;text-align:center}.settings-item-info{flex:1;min-width:0}.settings-item-name{font-size:16px;font-weight:500}.settings-item-cat{font-size:13px;color:var(--text-muted)}.settings-item-actions{display:flex;gap:8px}.icon-btn{width:32px;height:32px;border-radius:var(--radius);border:1px solid var(--border);background:#222;color:var(--text);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:200;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--card);border-radius:var(--radius-sm) var(--radius-sm) 0 0;width:100%;max-width:600px;padding:24px;padding-bottom:calc(24px + var(--safe-bottom));animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal h2{font-size:20px;font-weight:700;margin-bottom:20px}.modal-field{margin-bottom:16px}.modal-field label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.color-picker{display:flex;gap:8px;flex-wrap:wrap}.color-option{width:36px;height:36px;border-radius:var(--radius);border:3px solid transparent;cursor:pointer;transition:transform .15s;-webkit-tap-highlight-color:transparent}.color-option:active{transform:scale(.9)}.color-option.selected{border-color:var(--text)}.modal-actions{display:flex;gap:10px;margin-top:24px}.modal-actions .btn{flex:1}.date-nav{display:flex;align-items:center;gap:12px;margin-bottom:20px}.date-nav-btn{width:32px;height:32px;border-radius:var(--radius);border:1px solid var(--border);background:#222;color:var(--text);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}.date-nav-label{font-size:15px;font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state-icon{font-size:48px;margin-bottom:12px}.empty-state p{font-size:15px;margin-bottom:20px}.reminder-row{display:flex;align-items:center;gap:12px}.toggle-label{display:flex;align-items:center;gap:8px;cursor:pointer;-webkit-tap-highlight-color:transparent}.toggle-input{display:none}.toggle-switch{width:44px;height:24px;border-radius:12px;background:var(--border);position:relative;transition:background .2s;flex-shrink:0}.toggle-switch:after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--text-muted);transition:transform .2s,background .2s}.toggle-input:checked+.toggle-switch{background:var(--primary)}.toggle-input:checked+.toggle-switch:after{transform:translate(20px);background:#fff}.toggle-text{font-size:14px;color:var(--text-secondary)}.time-input{width:120px;padding:10px 12px;font-size:15px}@media(min-width:500px){.main{padding:24px}}