@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components,utilities;*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #10b981;--primary-dark: #059669;--danger-color: #ef4444;--danger-dark: #dc2626;--bg-color: #f3f4f6;--card-bg: #ffffff;--text-primary: #1f2937;--text-secondary: #6b7280;--border-color: #e5e7eb;--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-left: env(safe-area-inset-left, 0px);--safe-area-right: env(safe-area-inset-right, 0px)}html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg-color);color:var(--text-primary);line-height:1.5;min-height:100%;padding:var(--safe-area-top) var(--safe-area-right) var(--safe-area-bottom) var(--safe-area-left)}.app-container{max-width:480px;margin:0 auto;min-height:100vh;padding-bottom:calc(20px + var(--safe-area-bottom))}.app-header{background:var(--primary-color);color:#fff;padding:16px;padding-top:calc(16px + var(--safe-area-top));text-align:center;position:sticky;top:0;margin-top:calc(-1 * var(--safe-area-top));z-index:100;display:flex;align-items:center;justify-content:center;gap:8px;position:relative}.app-header h1{font-size:18px;font-weight:600;margin:0}.settings-btn{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:#fff3;border:none;font-size:20px;padding:8px;border-radius:50%;cursor:pointer;transition:background .2s;margin-top:var(--safe-area-top)}.settings-btn:active{background:#ffffff4d}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.empty-icon{font-size:64px;margin-bottom:16px}.empty-state h2{font-size:18px;color:var(--text-primary);margin-bottom:8px}.empty-state p{font-size:14px;color:var(--text-secondary)}.btn{padding:12px 20px;border:none;border-radius:12px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:6px}.btn:active{transform:scale(.98)}.btn-icon{font-size:18px}.btn-add{background:var(--primary-color);color:#fff;flex:1}.btn-add:active{background:var(--primary-dark)}.btn-subtract{background:var(--danger-color);color:#fff;flex:1}.btn-subtract:active{background:var(--danger-dark)}.btn-cancel{background:var(--border-color);color:var(--text-primary)}.btn-confirm{flex:1}.btn-confirm:disabled{opacity:.5;cursor:not-allowed}@media(max-width:480px){.app-container{max-width:100%}}.loading-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;color:var(--text-secondary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}.kid-selector{padding:16px;background:var(--card-bg);margin-bottom:12px}.selector-label{font-size:13px;color:var(--text-secondary);margin-bottom:12px;font-weight:500}.kid-tabs{display:flex;gap:10px}.kid-tab{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:12px;border:2px solid var(--border-color);background:var(--card-bg);cursor:pointer;transition:all .2s ease;flex:1;justify-content:center}.kid-tab.active{border-color:var(--primary-color);background:#10b98114}.kid-avatar{font-size:24px}.kid-name{font-size:15px;font-weight:600;color:var(--text-primary)}.kid-tab.active .kid-name{color:var(--primary-color)}.score-card{background:var(--card-bg);padding:24px 16px;margin:0 0 12px;text-align:center}.score-display{margin-bottom:24px}.score-label{font-size:14px;color:var(--text-secondary);margin-bottom:8px;font-weight:500}.score-value{font-size:72px;font-weight:800;color:var(--primary-color);line-height:1;letter-spacing:-2px}.score-actions{display:flex;gap:12px;padding:0 8px}.history-list{background:var(--card-bg);margin:0 0 12px}.history-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--border-color)}.history-title{font-size:16px;font-weight:600;color:var(--text-primary)}.history-count{font-size:13px;color:var(--text-secondary);background:var(--bg-color);padding:4px 10px;border-radius:12px}.history-empty{padding:40px 20px;text-align:center;color:var(--text-secondary)}.empty-icon{font-size:48px;margin-bottom:12px;opacity:.5}.history-items{padding:8px 0}.history-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border-color)}.history-item:last-child{border-bottom:none}.item-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.positive .item-icon{background:#10b98126}.negative .item-icon{background:#ef444426}.item-content{flex:1;min-width:0}.item-reason{font-size:15px;color:var(--text-primary);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-time{font-size:12px;color:var(--text-secondary)}.item-amount{font-size:18px;font-weight:700;flex-shrink:0}.item-amount.plus{color:var(--primary-color)}.item-amount.minus{color:var(--danger-color)}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:flex-end;justify-content:center;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--card-bg);width:100%;max-width:480px;max-height:90vh;border-radius:24px 24px 0 0;overflow:hidden;animation:slideUp .3s ease;padding-bottom:var(--safe-area-bottom, 0px)}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border-color)}.modal-header h3{font-size:18px;font-weight:600;display:flex;align-items:center;gap:8px}.kid-name{font-size:14px;color:var(--text-secondary);background:var(--bg-color);padding:4px 10px;border-radius:12px}.modal-body{padding:20px;overflow-y:auto;max-height:calc(90vh - 140px)}.input-group{margin-bottom:20px}.input-group label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:10px}.amount-selector{display:flex;gap:8px;flex-wrap:wrap}.amount-btn{flex:1;min-width:50px;padding:12px 8px;border:2px solid var(--border-color);background:var(--card-bg);border-radius:12px;font-size:16px;font-weight:600;color:var(--text-primary);cursor:pointer;transition:all .2s ease}.amount-btn.active{border-color:var(--primary-color);background:#10b9811a;color:var(--primary-color)}.reason-input{width:100%;padding:14px 16px;border:2px solid var(--border-color);border-radius:12px;font-size:16px;background:var(--card-bg);color:var(--text-primary);outline:none;transition:border-color .2s ease}.reason-input:focus{border-color:var(--primary-color)}.reason-input::placeholder{color:var(--text-secondary)}.quick-reasons{display:flex;flex-wrap:wrap;gap:8px}.quick-btn{display:flex;align-items:center;gap:6px;padding:10px 14px;border:2px solid var(--border-color);background:var(--card-bg);border-radius:20px;cursor:pointer;transition:all .2s ease}.quick-btn.active{border-color:var(--primary-color);background:#10b9811a}.quick-icon{font-size:18px}.quick-text{font-size:14px;color:var(--text-primary);white-space:nowrap}.modal-footer{display:flex;gap:12px;padding:16px 20px;border-top:1px solid var(--border-color);background:var(--card-bg)}.modal-footer .btn{flex:1}.score-display{text-align:center;padding:24px 20px;background:var(--bg-color);border-radius:16px;margin-bottom:20px}.score-label{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.score-value{font-size:56px;font-weight:700;line-height:1.2;margin-bottom:4px}.score-value.positive{color:var(--primary-color)}.score-value.negative{color:var(--danger-color)}.click-count{font-size:13px;color:var(--text-secondary)}.score-actions{display:flex;gap:12px;margin-bottom:20px}.score-btn{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 20px;border:none;border-radius:16px;cursor:pointer;transition:all .2s ease;min-height:100px}.score-btn.add-btn{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.score-btn.add-btn:active{transform:scale(.98);background:linear-gradient(135deg,#059669,#047857)}.score-btn.subtract-btn{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.score-btn.subtract-btn:active{transform:scale(.98);background:linear-gradient(135deg,#dc2626,#b91c1c)}.score-btn-icon{font-size:28px;margin-bottom:4px}.score-btn-text{font-size:32px;font-weight:700}.reset-btn{padding:0 20px;background:var(--bg-color);border:2px solid var(--border-color);border-radius:16px;font-size:16px;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.reset-btn:active{background:var(--border-color)}.reset-btn:disabled{opacity:.5;cursor:not-allowed}.pin-notice{background:#10b9811a;color:var(--primary-color);padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:16px;text-align:center}.modal-error{background:#ef44441a;color:var(--danger-color);padding:12px 16px;border-radius:10px;font-size:14px;margin-top:16px;text-align:center}.pin-hint{background:#10b9811a;color:var(--primary-color);padding:12px 16px;border-radius:12px;font-size:14px;margin-bottom:16px;text-align:center}.modal-error{background:#ef44441a;color:var(--danger-color);padding:12px 16px;border-radius:12px;font-size:14px;margin-top:8px;text-align:center}.pin-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease}.pin-modal{background:var(--card-bg);width:90%;max-width:360px;border-radius:20px;overflow:hidden;animation:scaleIn .3s ease;margin-bottom:var(--safe-area-bottom, 0px)}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.pin-header{display:flex;justify-content:space-between;align-items:center;padding:20px 20px 16px;border-bottom:1px solid var(--border-color)}.pin-header h3{font-size:18px;font-weight:600;color:var(--text-primary)}.pin-close{width:32px;height:32px;border:none;background:var(--bg-color);border-radius:50%;font-size:16px;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center}.pin-close:active{background:var(--border-color)}.pin-form{padding:24px 20px}.pin-input-group{margin-bottom:20px}.pin-input-group label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.pin-input-group input{width:100%;padding:16px;border:2px solid var(--border-color);border-radius:12px;font-size:20px;font-weight:600;text-align:center;letter-spacing:8px;background:var(--card-bg);color:var(--text-primary);outline:none;transition:border-color .2s ease}.pin-input-group input:focus{border-color:var(--primary-color)}.pin-input-group input::placeholder{color:var(--text-secondary);letter-spacing:0;font-size:14px;font-weight:400}.pin-error{background:#ef44441a;color:var(--danger-color);padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:16px;text-align:center}.pin-actions{display:flex;gap:12px;margin-top:8px}.pin-actions .btn{flex:1}.pin-hint{text-align:center;padding:16px 20px 20px;font-size:13px;color:var(--text-secondary);background:var(--bg-color)}