:root{--ink:#17212b;--muted:#72808a;--line:#dce2e5;--paper:#fbfcfc;--teal:#087a73;--teal-dark:#05645e;--orange:#ef7353;--panel:#fff}*{box-sizing:border-box}body{margin:0;background:#f4f6f6;color:var(--ink);font-family:"Noto Sans SC",Arial,sans-serif}.topbar{height:74px;padding:0 max(28px,calc((100vw - 1440px)/2));display:flex;align-items:center;gap:22px;background:var(--paper);border-bottom:1px solid var(--line)}.brand{color:var(--ink);font-size:18px;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:10px}.brand-mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;color:#fff;background:var(--teal)}.brand-mark svg{width:19px}.privacy{margin-left:auto;color:var(--muted);font-size:13px;display:flex;align-items:center;gap:7px}.privacy svg{width:16px;color:var(--teal)}.icon-btn{width:36px;height:36px;border:1px solid var(--line);border-radius:6px;background:#fff;color:#52616b;display:grid;place-items:center;cursor:pointer}.icon-btn:hover{border-color:var(--teal);color:var(--teal)}.icon-btn svg{width:17px}.workspace{max-width:1440px;margin:auto;padding:36px 28px;display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:26px;min-height:calc(100vh - 74px)}.canvas-panel,.controls{background:var(--panel);border:1px solid var(--line);border-radius:8px}.canvas-panel{padding:27px;display:flex;flex-direction:column;min-height:660px}.canvas-head,.control-head{display:flex;justify-content:space-between;align-items:flex-start}.eyebrow{font:500 11px "DM Mono",monospace;color:var(--teal);letter-spacing:1.2px;margin:0 0 7px}.canvas-head h1{font-size:21px;margin:0;font-weight:700}.size-readout{font:12px "DM Mono",monospace;color:var(--muted);background:#f3f6f6;padding:7px 9px;border-radius:4px}.canvas-stage{position:relative;display:grid;place-items:center;overflow:hidden;flex:1;min-height:480px;margin:22px 0 15px;border:1px dashed #b9c7c9;border-radius:6px;background-color:#f4f7f7;background-image:linear-gradient(45deg,#edf1f1 25%,transparent 25%),linear-gradient(-45deg,#edf1f1 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#edf1f1 75%),linear-gradient(-45deg,transparent 75%,#edf1f1 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.canvas-stage.dragging{border-color:var(--teal);background-color:#e8f4f2}.empty-state{text-align:center}.upload-icon{display:grid;place-items:center;width:52px;height:52px;margin:0 auto 14px;background:#e2f2f0;color:var(--teal);border-radius:50%}.upload-icon svg{width:25px}.empty-state h2{margin:0;font-size:17px}.empty-state p{margin:7px 0 19px;color:var(--muted);font-size:13px}.primary-btn,.download-btn{border:0;border-radius:5px;background:var(--teal);color:#fff;font:600 14px "Noto Sans SC";display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.primary-btn{height:40px;padding:0 17px}.primary-btn:hover,.download-btn:hover{background:var(--teal-dark)}.primary-btn svg{width:17px}canvas{display:none;max-width:100%;max-height:100%;cursor:grab}.canvas-hint{display:none;position:absolute;right:12px;bottom:12px;padding:5px 8px;background:#17212bce;border-radius:4px;color:#fff;font-size:11px}.canvas-footer{border-top:1px solid #edf0f1;padding-top:14px;display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.zoom{display:flex;gap:5px;align-items:center}.zoom svg{width:14px}.controls{padding:25px;height:max-content}.control-head h2{font-size:19px;margin:0}.step{font:500 12px "DM Mono",monospace;color:#91a0a7}.type-switch{display:grid;grid-template-columns:1fr 1fr;margin:24px 0 19px;padding:3px;background:#eef2f2;border-radius:6px}.type-switch button{border:0;background:transparent;border-radius:4px;padding:9px 3px;color:#708087;font:500 13px "Noto Sans SC";cursor:pointer}.type-switch button.active{background:#fff;color:var(--ink);box-shadow:0 1px 3px #17212b1a}.type-switch svg{width:14px;vertical-align:-2px;margin-right:4px}.field-label{display:block;color:#53626c;font-size:12px;font-weight:600;margin:14px 0 7px}textarea,select{width:100%;border:1px solid #ccd6d8;border-radius:5px;background:#fff;color:var(--ink);font:14px "Noto Sans SC";outline:none}textarea{height:64px;resize:none;padding:10px 11px}textarea:focus,select:focus{border-color:var(--teal);box-shadow:0 0 0 3px #087a7314}select{height:37px;padding:0 9px}.two-col{display:grid;grid-template-columns:1.3fr .7fr;gap:12px}.color-control{height:37px;border:1px solid #ccd6d8;border-radius:5px;display:flex;align-items:center;gap:7px;padding:4px 7px;font:12px "DM Mono",monospace}.color-control input{padding:0;border:0;width:24px;height:24px;background:transparent;cursor:pointer}.image-upload{height:64px;border:1px dashed #b8c5c7;border-radius:5px;display:flex;align-items:center;justify-content:center;gap:8px;color:#65747c;font-size:12px;cursor:pointer}.image-upload:hover{border-color:var(--teal);color:var(--teal)}.image-upload svg{width:16px}.divider{height:1px;background:#e8edee;margin:21px 0}.control-row{display:flex;justify-content:space-between;align-items:center;margin:14px 0 7px;font-size:13px;color:#53626c}.control-row output{font:12px "DM Mono",monospace;color:var(--teal)}input[type=range]{width:100%;accent-color:var(--teal);height:4px;cursor:pointer}.position-title{font-size:13px;color:#53626c;display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.position-title button{border:0;background:transparent;color:#74838a;display:grid;place-items:center;cursor:pointer}.position-title svg{width:16px}.position-grid{width:114px;display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.position-grid button{width:34px;height:28px;border:1px solid #d4dcde;border-radius:4px;background:#fff;position:relative;cursor:pointer}.position-grid button:after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:#a6b3b7;top:50%;left:50%;transform:translate(-50%,-50%)}.position-grid button:hover{border-color:#6eb7b1}.position-grid button.selected{background:#e5f3f1;border-color:var(--teal)}.position-grid button.selected:after{background:var(--teal)}.export-area{margin-top:28px;border-top:1px solid #e8edee;padding-top:20px;text-align:center}.download-btn{width:100%;height:45px}.download-btn:disabled{background:#b8c4c5;cursor:not-allowed}.download-btn svg{width:17px}.download-btn span{font:500 10px "DM Mono",monospace;color:#b4e1dd;border-left:1px solid #ffffff55;padding-left:9px}.export-area p{margin:9px 0 0;color:#91a0a7;font-size:11px}.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);opacity:0;visibility:hidden;background:#17212b;color:#fff;padding:10px 14px;border-radius:5px;font-size:13px;transition:.2s}.toast.show{transform:translate(-50%,0);opacity:1;visibility:visible}@media(max-width:850px){.workspace{grid-template-columns:1fr;padding:18px;gap:18px}.canvas-panel{min-height:500px;padding:18px}.canvas-stage{min-height:360px}.controls{height:auto}.privacy{display:none}}@media(max-width:480px){.topbar{padding:0 16px}.workspace{padding:12px}.canvas-panel{padding:14px}.canvas-head h1{font-size:17px}.size-readout{display:none}.canvas-stage{min-height:330px}.two-col{grid-template-columns:1fr 1fr}}
.tile-toggle{margin:14px 0 1px;padding:11px 12px;border:1px solid #e0e7e8;border-radius:5px;display:flex;align-items:center;justify-content:space-between;cursor:pointer}.tile-toggle strong{display:block;font-size:13px;font-weight:600;color:#40505a}.tile-toggle small{display:block;margin-top:2px;color:#89969c;font-size:11px}.tile-toggle input{position:absolute;opacity:0}.switch{width:34px;height:19px;border-radius:99px;background:#c8d2d4;position:relative;transition:.2s}.switch:after{content:'';position:absolute;top:3px;left:3px;width:13px;height:13px;border-radius:50%;background:#fff;box-shadow:0 1px 2px #17212b33;transition:.2s}.tile-toggle input:checked+.switch{background:var(--teal)}.tile-toggle input:checked+.switch:after{transform:translateX(15px)}.layers-heading{display:flex;justify-content:space-between;align-items:center;margin:20px 0 8px;color:#53626c;font-size:13px}.layers-heading small{color:#91a0a7;font-size:10px}.layer-list{display:grid;gap:6px;max-height:152px;overflow:auto}.layer-row{display:flex;align-items:center;min-height:36px;border:1px solid #dce4e6;border-radius:5px;background:#fff}.layer-row.selected{border-color:var(--teal);box-shadow:0 0 0 2px #087a7314}.layer-select{min-width:0;flex:1;padding:8px 9px;border:0;background:transparent;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#506069;font:12px "Noto Sans SC",sans-serif;cursor:pointer}.layer-row.selected .layer-select{color:var(--teal);font-weight:600}.layer-actions{display:flex;padding-right:3px}.layer-actions button{width:25px;height:25px;padding:0;border:0;background:transparent;color:#7e8c92;display:grid;place-items:center;cursor:pointer}.layer-actions button:hover{color:var(--teal)}.layer-actions button:disabled{opacity:.3;cursor:not-allowed}.layer-actions svg{width:14px}.layer-add button{font-size:12px}.layer-add button:hover{color:var(--teal)}.site-nav{display:flex;align-items:center;gap:5px;margin-left:auto}.site-nav a{padding:7px 9px;border-radius:4px;color:#617078;text-decoration:none;font-size:13px}.site-nav a:hover,.site-nav a.active{background:#e7f2f1;color:var(--teal)}.site-nav b{font:500 11px "DM Mono",monospace;margin-left:3px}.account-page{background:#f4f6f6}.account-main{width:min(560px,calc(100% - 36px));margin:42px auto}.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:18px;color:#65747c;text-decoration:none;font-size:13px}.back-link svg{width:15px}.account-surface{padding:30px;background:#fff;border:1px solid var(--line);border-radius:8px}.account-surface h1{margin:0;font-size:24px}.account-intro{margin:8px 0 25px;color:var(--muted);font-size:14px}.balance-strip{display:flex;justify-content:space-between;align-items:center;padding:15px 16px;background:#edf6f5;border-radius:5px;color:#55706e;font-size:13px}.balance-strip strong{font:500 21px "DM Mono",monospace;color:var(--teal)}.amount-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:18px 0}.amount-grid button{height:70px;border:1px solid #d7e0e2;border-radius:5px;background:#fff;color:#33444d;font:600 17px "DM Mono",monospace;cursor:pointer}.amount-grid small{display:block;margin-top:5px;color:#8c999e;font:11px "Noto Sans SC"}.amount-grid button.selected,.amount-grid button:hover{border-color:var(--teal);background:#eef8f7;color:var(--teal)}.account-note{margin:10px 0 0;text-align:center;color:#8c999e;font-size:11px}.wallet-balance{padding:25px;background:#087a73;color:#fff;border-radius:6px}.wallet-balance span,.wallet-balance a{display:block;font-size:12px}.wallet-balance strong{display:block;margin:6px 0 16px;font:500 34px "DM Mono",monospace}.wallet-balance a{color:#dcf4f1;text-decoration:none}.wallet-balance svg{width:14px;vertical-align:-2px}.history-head{display:flex;justify-content:space-between;align-items:center;margin-top:27px}.history-head h2{margin:0;font-size:16px}.history-head span{color:#97a3a8;font-size:11px}.history-list{margin-top:11px;border-top:1px solid #e7ecec}.history-row{display:flex;justify-content:space-between;align-items:center;padding:13px 2px;border-bottom:1px solid #e7ecec}.history-row strong{display:block;font-size:13px}.history-row small{display:block;margin-top:3px;color:#8d9aa0;font-size:11px}.history-row b{font:500 13px "DM Mono",monospace}.income{color:var(--teal)}.expense{color:#d05f47}.empty-history{padding:25px 0;text-align:center;color:#98a3a8;font-size:13px}@media(max-width:650px){.topbar{gap:10px}.site-nav{gap:1px}.site-nav a{padding:6px;font-size:12px}.privacy{display:none}.account-main{margin:25px auto}.account-surface{padding:22px}}.nav-logout{border:0;background:transparent;color:#617078;font:13px "Noto Sans SC";cursor:pointer;padding:7px}.nav-logout:hover{color:#d05f47}.login-main{width:min(460px,calc(100% - 36px));margin:84px auto}.login-main>.brand{justify-content:center;margin-bottom:22px}.login-surface input{width:100%;height:39px;padding:0 10px;border:1px solid #ccd6d8;border-radius:5px;font:14px "Noto Sans SC"}.form-error{min-height:18px;margin:10px 0;color:#c54f40;font-size:12px}.payment-code{margin:18px 0;display:flex;align-items:center;gap:17px;padding:14px;border:1px solid #dce5e6;border-radius:6px;background:#fbfdfd}.payment-code img{width:118px;height:118px;object-fit:cover;border-radius:3px}.payment-code strong{display:block;color:#314149;font-size:15px}.payment-code span{display:block;margin-top:6px;color:var(--teal);font:500 18px monospace}@media(max-width:420px){.payment-code img{width:96px;height:96px}}.signup-prompt{margin:15px 0 0;text-align:center;color:#78868c;font-size:12px}.signup-prompt button{border:0;background:transparent;padding:0;color:var(--teal);font:600 12px "Noto Sans SC";cursor:pointer}.modal-open{overflow:hidden}.balance-modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:18px;background:#17212b70}.balance-modal[hidden]{display:none}.balance-dialog{position:relative;width:min(390px,100%);padding:30px;background:#fff;border-radius:8px;text-align:center;box-shadow:0 16px 48px #17212b35}.modal-close{position:absolute;top:12px;right:12px;width:30px;height:30px;border:0;background:transparent;color:#809096;display:grid;place-items:center;cursor:pointer}.modal-close svg{width:17px}.balance-icon{width:48px;height:48px;margin:0 auto 14px;display:grid;place-items:center;border-radius:50%;background:#fff0ea;color:#d96548}.balance-icon svg{width:23px}.balance-dialog h2{margin:0;font-size:20px}.balance-dialog p{margin:8px 0 23px;color:#6e7d84;font-size:13px}.modal-actions{display:flex;gap:9px}.modal-actions>*{flex:1;height:41px}.secondary-btn{border:1px solid #d4dfe1;border-radius:5px;background:#fff;color:#63727a;font:600 13px "Noto Sans SC";cursor:pointer}.modal-actions .primary-btn{font-size:13px;text-decoration:none}.admin-main{max-width:900px;margin:50px auto;padding:20px}.admin-table-wrap{margin-top:20px;background:#fff;border:1px solid #dce2e5;border-radius:6px;overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:12px;border-bottom:1px solid #e7ecec;text-align:left;font-size:13px}td button{margin-right:6px;padding:5px 8px;border:0;border-radius:4px;cursor:pointer}.request-history{margin-top:20px}.request-history div{padding:10px 0;border-bottom:1px solid #e7ecec;display:flex;justify-content:space-between}.admin-section{margin-top:35px}.admin-section h1{font-size:20px;margin:0}.admin-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:12px}.admin-heading p{margin:4px 0 0;color:#89969c;font-size:12px}.admin-state{min-height:20px;margin:14px 0;color:#a46710;font-size:13px}.admin-state:empty{display:none}