:root{--bg-color: #1a1a1a;--surface-color: #262626;--text-primary: #ffffff;--text-secondary: #aaaaaa;--accent-secondary: #80cbc4;--accent-blue: #2196f3;--accent-orange: #ff9800;--accent-green: #8bc34a;--accent-purple: #9c27b0;--accent-red: #f44336;--accent-yellow: #ffeb3b;--accent-cyan: #00e5ff;--accent-pink: #ec407a}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}input,textarea{user-select:text;-webkit-user-select:text}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-primary);overflow-x:hidden;-webkit-user-select:none;user-select:none}h1,h2,h3{font-weight:300;letter-spacing:.5px}.app-container{max-width:500px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;position:relative}.header{padding:40px 20px 20px;display:flex;justify-content:space-between;align-items:center}.header h1{font-size:42px}.header-actions{display:flex;gap:12px;align-self:center}.icon-btn{background:var(--surface-color);border:none;color:var(--accent-cyan);width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.icon-btn:active{transform:scale(.9);background-color:#ffffff1a}.menu-btn{background:none;border:none;color:var(--accent-cyan);font-size:18px;cursor:pointer;text-decoration:underline}.activity-list{padding:10px 0}.empty-state{padding:40px 20px;text-align:center;font-size:16px;line-height:1.5;color:var(--text-secondary)}.backup-banner{display:flex;align-items:center;gap:12px;margin:4px 20px 12px;padding:12px 14px;border-radius:12px;background-color:#ff98001f;border:1px solid rgba(255,152,0,.35);font-size:14px;line-height:1.4;color:var(--text-primary)}.backup-banner span{flex:1}.backup-banner-btn{flex-shrink:0;background-color:var(--accent-orange);color:#1a1a1a;border:none;border-radius:8px;padding:8px 14px;font-size:14px;font-weight:600;cursor:pointer}.backup-banner-btn:active{transform:scale(.95)}.activity-list *::selection{background:transparent}.activity-item-container{transition:background-color .3s ease}.activity-item{display:flex;align-items:center;padding:20px;position:relative;cursor:default;touch-action:pan-y;user-select:none;-webkit-user-select:none;-webkit-user-drag:none}.activity-icon{margin-right:20px;font-size:32px}.activity-content{flex:1}.activity-title{font-size:24px;margin-bottom:4px}.activity-meta{font-size:14px;color:var(--text-secondary);display:flex;flex-direction:column}.progress-bar{height:4px;width:100px;background-color:#ffffff1a;border-radius:2px;margin:8px 0;overflow:hidden}.progress-fill{height:100%;border-radius:2px;transition:width .5s ease-out}.modal-backdrop{position:fixed;inset:0;background-color:#000000a6;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:100;display:flex;align-items:flex-end;justify-content:center}.modal-sheet{width:100%;max-width:500px;max-height:90vh;background-color:#202020;border-top-left-radius:24px;border-top-right-radius:24px;border:1px solid rgba(255,255,255,.08);border-bottom:none;box-shadow:0 -10px 40px #0009;display:flex;flex-direction:column;overflow:hidden}.modal-handle{width:40px;height:5px;border-radius:3px;background-color:#fff3;margin:12px auto 0;flex-shrink:0}.modal-header{padding:16px 20px 14px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.06);flex-shrink:0}.modal-header h1{font-size:24px;font-weight:500}.modal-body{padding:20px;overflow-y:auto;flex:1}.category-list{margin-top:20px;padding:0 20px}.category-item{display:flex;align-items:center;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.05);cursor:pointer}.category-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;margin-right:15px}.category-name{font-size:22px;flex:1}.chevron{color:var(--text-secondary)}.sub-header{font-size:16px;color:var(--text-secondary);text-align:center;margin:30px 0 10px}.selection-btn{cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.selection-btn:active{transform:scale(.9)}.settings-btn:hover{opacity:.8;transform:scale(1.1)}.settings-btn:active{transform:scale(.9)}