:root{color:#172033;font-synthesis:none;text-rendering:geometricprecision;background:#f5f8f6;font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,Arial,sans-serif}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{border:0}.app-shell{background:linear-gradient(135deg,#ceded675,#0000 34%),linear-gradient(315deg,#dbcdb22e,#0000 26%),#f7f8f5;min-height:100vh;padding:22px}.app-header,.workbench{width:min(1680px,100%);margin:0 auto}.app-header{justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px;display:flex}.brand-block{align-items:center;gap:14px;display:flex}.brand-mark{color:#fff;background:linear-gradient(135deg,#ffffff2e,#0000 45%),#172033;border-radius:8px;place-items:center;width:44px;height:44px;font-size:.78rem;font-weight:900;display:grid}.kicker,.section-label{color:#4b8277;letter-spacing:0;text-transform:uppercase;margin:0;font-size:.76rem;font-weight:800}.app-header h1{color:#172033;margin:2px 0 0;font-size:clamp(1.35rem,2.4vw,2.1rem);line-height:1.15}.header-badges{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.header-badges span,.state-pill{color:#566272;background:#ffffff94;border:1px solid #1720331a;border-radius:999px;min-height:30px;padding:7px 10px;font-size:.84rem;font-weight:700}.state-pill{color:#346f63;background:#e6f3ef}.workbench{grid-template-columns:330px minmax(0,1fr) 320px;align-items:start;gap:18px;display:grid}.control-panel,.preview-panel,.source-card,.palette-card{background:#ffffffdb;border:1px solid #17203317;border-radius:8px;box-shadow:0 18px 42px #1c2a340e}.modal-layer{z-index:30;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:radial-gradient(circle at 24% 18%,#76999038,#0000 30%),radial-gradient(circle at 78% 80%,#b78e5b2e,#0000 28%),#141c232e;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.size-modal{-webkit-backdrop-filter:blur(26px)saturate(130%);backdrop-filter:blur(26px)saturate(130%);background:linear-gradient(145deg,#ffffffc7,#f8faf785),#ffffff80;border:1px solid #ffffff8a;border-radius:18px;gap:20px;width:min(920px,100%);padding:26px;display:grid;position:relative;box-shadow:0 38px 110px #1a232b38}.card-modal{-webkit-backdrop-filter:blur(26px)saturate(130%);backdrop-filter:blur(26px)saturate(130%);background:linear-gradient(145deg,#ffffffdb,#f8faf7b8),#fff9;border:1px solid #ffffff8a;border-radius:18px;gap:18px;width:min(560px,100%);padding:24px;display:grid;position:relative;box-shadow:0 38px 110px #1a232b38}.card-modal .modal-copy h2{font-size:clamp(2rem,5vw,3.4rem)}.card-modal-form{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px;display:grid}.card-modal-form label{color:#5d6978;gap:8px;font-size:.78rem;font-weight:850;display:grid}.card-modal-form input{color:#172033;letter-spacing:0;background:#ffffffe0;border:1px solid #1720332e;border-radius:10px;min-width:0;min-height:48px;padding:0 14px;font-weight:900}.card-modal-form button{color:#fff;cursor:pointer;background:#172033;border-radius:10px;min-height:48px;padding:0 18px;font-weight:900}.card-modal-form button:disabled{cursor:progress;opacity:.72}.card-modal-message{color:#667085;margin:0;font-size:.88rem;line-height:1.6}.modal-copy{max-width:560px}.modal-copy h2{color:#151e2f;margin:6px 0 8px;font-size:clamp(2rem,5vw,4.6rem);line-height:.92}.modal-copy p:last-child{color:#5d6978;margin:0;font-size:1rem;line-height:1.7}.size-preset-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;display:grid}.size-card{color:#18212f;text-align:left;cursor:pointer;background:linear-gradient(160deg,#ffffffd1,#f3f7f494),#ffffff6b;border:1px solid #1720331a;border-radius:14px;gap:10px;min-height:178px;padding:14px;transition:border-color .16s,box-shadow .16s,transform .16s;display:grid}.size-card:hover,.size-card.active{border-color:#4e846d7a;transform:translateY(-2px);box-shadow:0 18px 40px #374e4e1f}.size-card strong{align-self:end;font-size:1.12rem}.size-card small{color:#687486;font-size:.82rem;font-weight:700}.size-symbol{background-color:#f9fbf9db;background-image:linear-gradient(90deg,#1720330f 1px,#0000 1px),linear-gradient(#1720330f 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:13px 13px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;border-radius:12px;width:100%;height:86px;display:grid;position:relative;overflow:hidden}.size-symbol i{background:#4e846d38;border:1px solid #17203333;border-radius:7px;display:block;position:absolute}.size-symbol.single i:first-child{inset:18px 28px}.size-symbol.quad i:first-child{width:24px;height:24px;top:16px;left:26px}.size-symbol.quad i:nth-child(2){width:24px;height:24px;top:16px;right:26px}.size-symbol.quad i:nth-child(3){width:24px;height:24px;bottom:16px;left:26px}.size-symbol.quad i:nth-child(4){width:24px;height:24px;bottom:16px;right:26px}.size-symbol.soft i:first-child{background:#a0c0b652;border-radius:50%;inset:15px 22px}.size-symbol.frame i:first-child{background:0 0;inset:12px 18px}.size-symbol.frame i:nth-child(2){background:#17203314;inset:26px 34px}.size-symbol.wide i:first-child{height:34px;top:25px;left:12px;right:12px}.custom-size-panel{background:#ffffff70;border:1px solid #17203317;border-radius:14px;grid-template-columns:minmax(0,1fr) auto auto;align-items:end;gap:16px;padding:16px;display:grid}.custom-size-panel h3{color:#172033;margin:4px 0 0;font-size:1.22rem}.modal-dimensions{grid-template-columns:98px auto 98px;align-items:end;gap:10px;display:grid}.modal-dimensions label{color:#5d6978;gap:6px;font-size:.78rem;font-weight:800;display:grid}.modal-dimensions input{color:#172033;background:#ffffffc7;border:1px solid #17203329;border-radius:10px;width:100%;min-height:44px;padding:0 12px;font-weight:900}.modal-dimensions>span{color:#778292;padding-bottom:12px;font-weight:900}.modal-primary{color:#fff;cursor:pointer;background:#172033;border-radius:10px;min-height:44px;padding:0 18px;font-weight:900}.modal-close{color:#172033;cursor:pointer;background:#ffffff7a;border:1px solid #1720331a;border-radius:999px;width:36px;height:36px;font-size:1.35rem;line-height:1;position:absolute;top:14px;right:14px}.control-panel{gap:16px;display:grid;position:sticky;top:18px}.panel-title,.panel-heading{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.panel-title h2,.panel-heading h2{color:#172033;margin:4px 0 0;font-size:1.35rem;line-height:1.2}.panel-title.compact h2{font-size:1.08rem}.upload-zone{cursor:pointer;background:linear-gradient(135deg,#e6f6f1c7,#fffc),#fbfdfb;border:1px dashed #87ada3;border-radius:8px;gap:7px;min-height:118px;padding:18px;transition:border-color .16s,box-shadow .16s,transform .16s;display:grid}.upload-zone:hover,.upload-zone.is-dragging{border-color:#3f7f72;transform:translateY(-1px);box-shadow:0 12px 26px #3f7f721f}.upload-zone input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.upload-title{color:#172033;text-overflow:ellipsis;white-space:nowrap;font-size:1rem;font-weight:850;overflow:hidden}.upload-copy,.muted{color:#6a7482;font-size:.9rem;line-height:1.55}.preset-row{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.compact-presets{grid-template-columns:repeat(3,1fr)}.preset-button,.segment-button,.ghost-action,.secondary-action{color:#172033;cursor:pointer;background:#fff;border:1px solid #1720331f;border-radius:8px;font-weight:800}.preset-button.active,.segment-button.active{color:#2f6f63;background:#e9f5f1;border-color:#4f8f8061}.settings-grid{gap:14px;display:grid}.board-size-button{color:#172033;text-align:left;cursor:pointer;background:linear-gradient(135deg,#fffc,#eaf2ee9e),#fff;border:1px solid #1720331a;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;min-height:70px;padding:14px;display:flex}.board-size-button small{color:#6a7482;margin-bottom:5px;font-size:.78rem;font-weight:800;display:block}.board-size-button strong{font-size:1.35rem;display:block}.board-size-button b{color:#fff;background:#172033;border-radius:999px;padding:7px 10px;font-size:.78rem}.field{color:#283447;grid-template-columns:1fr auto;align-items:center;gap:10px;font-size:.94rem;font-weight:800;display:grid}.field input{accent-color:#4f8f80;grid-column:1/-1;width:100%}.field output{color:#516173;font-size:.9rem}.segmented-control{gap:8px;display:grid}.segment-button{text-align:left;gap:3px;min-height:58px;padding:10px 12px;display:grid}.segment-button span{color:#6a7482;font-size:.8rem;font-weight:600}.fit-row,.detail-mode-grid{gap:8px;display:grid}.fit-row{grid-template-columns:repeat(3,1fr)}.fit-button,.detail-button{color:#172033;cursor:pointer;background:#fff;border:1px solid #1720331f;border-radius:8px;font-weight:850}.fit-button{min-height:38px;font-size:.85rem}.detail-button{text-align:left;gap:3px;min-height:58px;padding:10px 12px;display:grid}.detail-button span{color:#6a7482;font-size:.8rem;font-weight:650}.fit-button.active,.detail-button.active{color:#2f6f63;background:#e9f5f1;border-color:#4f8f8061}.form-actions{grid-template-columns:minmax(0,1fr) 86px;gap:10px;display:grid}.primary-action,.ghost-action,.secondary-action{border-radius:8px;min-height:44px;padding:0 14px}.primary-action{color:#fff;cursor:pointer;background:#172033;font-weight:900}.primary-action:disabled{cursor:progress;opacity:.72}.secondary-action:disabled{cursor:not-allowed;opacity:.52}.error-message{color:#ad3e2e;background:#fff2ef;border-radius:8px;margin:0;padding:10px 12px;font-size:.9rem;line-height:1.5}.preview-panel{min-width:0;padding:16px}.panel-heading{margin-bottom:14px}.sheet-tools{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.toggle-control,.zoom-control{color:#4a596b;background:#fbfdfb;border:1px solid #1720331f;border-radius:8px;align-items:center;min-height:40px;font-size:.86rem;font-weight:800;display:grid}.toggle-control{grid-template-columns:auto auto;gap:7px;padding:0 10px}.toggle-control input{accent-color:#4f8f80;width:16px;height:16px}.zoom-control{grid-template-columns:auto 110px auto;gap:8px;padding:0 10px}.zoom-control input{accent-color:#4f8f80;width:110px}.zoom-control output{color:#172033;text-align:right;min-width:34px}.summary-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:14px;display:grid}.summary-strip div{background:#fbfcfb;border:1px solid #17203314;border-radius:8px;min-height:64px;padding:10px 12px}.summary-strip span{color:#6a7482;margin-bottom:6px;font-size:.78rem;font-weight:800;display:block}.summary-strip strong{color:#172033;text-overflow:ellipsis;white-space:nowrap;font-size:1.15rem;display:block;overflow:hidden}.pattern-stage{background-color:#fff;background-image:linear-gradient(90deg,#17203309 1px,#0000 1px),linear-gradient(#17203309 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:20px 20px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;border:1px solid #17203314;border-radius:8px;height:calc(100vh - 245px);min-height:560px;display:block;overflow:auto}.pattern-sheet{--cell-size:24px;grid-template-rows:30px max-content 30px;grid-template-columns:30px max-content 30px;width:max-content;min-width:100%;padding:18px;display:grid}.axis{color:#445164;text-align:center;font-size:.72rem;line-height:1;display:grid}.axis span{place-items:center;display:grid}.top-axis{grid-area:1/2}.bottom-axis{grid-area:3/2}.side-axis{grid-auto-rows:var(--cell-size)}.left-axis{grid-area:2/1}.right-axis{grid-area:2/3}.bead-grid{background:#fff;border:1px solid #18212f29;display:grid;overflow:hidden}.demo-grid{aspect-ratio:1;grid-template-columns:repeat(18,minmax(0,1fr));width:min(70vw,420px)}.coded-grid{border-color:#c58d6280;grid-area:2/2;width:max-content;overflow:visible}.bead-cell{aspect-ratio:1;border:.5px solid #18212f1f}.coded-cell{width:var(--cell-size);min-width:var(--cell-size);height:var(--cell-size);font-size:clamp(.46rem, calc(var(--cell-size) * .34), .84rem);text-align:center;text-shadow:0 1px 2px #fff3;border-color:#1f293729;place-items:center;font-weight:900;line-height:1;display:grid;overflow:hidden}.coded-cell:nth-child(10n){border-right-color:#c58d62d9}.blank-cell{background-image:linear-gradient(45deg,#17203309 25%,#0000 25%),linear-gradient(-45deg,#17203309 25%,#0000 25%);background-size:8px 8px}.hide-codes .coded-cell{text-shadow:none;color:#0000!important}.empty-state{color:#657284;text-align:center;place-items:center;gap:18px;min-height:100%;padding:42px;display:grid}.empty-state p{margin:0}.details-panel{align-content:start;gap:18px;display:grid;position:sticky;top:18px}.source-card img,.image-placeholder{aspect-ratio:4/3;object-fit:cover;background:#eef4f2;border-radius:8px;width:100%;margin-top:12px}.image-placeholder{color:#6a7482;place-items:center;display:grid}.meta-list{gap:8px;margin:12px 0 0;display:grid}.meta-list div{color:#5f6b7a;justify-content:space-between;gap:12px;font-size:.86rem;display:flex}.meta-list dt,.meta-list dd{margin:0}.meta-list dd{color:#172033;font-weight:800}.top-color-strip{grid-template-columns:repeat(5,1fr);gap:6px;margin:12px 0;display:grid}.top-color-strip span{border-radius:7px;place-items:center;min-height:32px;font-size:.78rem;font-weight:900;display:grid}.palette-list{gap:10px;min-height:120px;max-height:calc(100vh - 470px);padding-right:3px;display:grid;overflow:auto}.palette-row{color:#2a3443;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:50px;padding:6px 0 8px;font-size:.92rem;display:grid;position:relative;overflow:hidden}.swatch{border:1px solid #18212f29;border-radius:8px;width:34px;height:34px}.color-main{gap:2px;min-width:0;display:grid}.color-main strong{color:#18212f;text-overflow:ellipsis;white-space:nowrap;font-size:1.02rem;overflow:hidden}.color-main small{color:#697584;text-overflow:ellipsis;white-space:nowrap;font-family:SFMono-Regular,Consolas,monospace;font-size:.78rem;overflow:hidden}.color-count{color:#5d6978;font-weight:850}.usage-bar{opacity:.72;background:#5b9588;border-radius:999px;height:3px;position:absolute;bottom:0;left:auto;right:0}@media (width<=1280px){.workbench{grid-template-columns:310px minmax(0,1fr)}.details-panel{grid-column:1/-1;grid-template-columns:320px minmax(0,1fr);position:static}.palette-list{max-height:360px}}@media (width<=920px){.app-shell{padding:16px}.app-header,.workbench,.details-panel{grid-template-columns:1fr}.app-header{flex-direction:column;align-items:flex-start}.header-badges{justify-content:flex-start}.control-panel,.details-panel{position:static}.panel-heading{flex-direction:column}.sheet-tools{justify-content:flex-start;width:100%}.summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.pattern-stage{height:560px;min-height:420px}.modal-layer{align-items:start;overflow:auto}.size-modal{margin:24px 0}.size-preset-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.custom-size-panel{grid-template-columns:1fr}}@media (width<=560px){.app-shell{padding:12px}.brand-mark{display:none}.control-panel,.preview-panel,.source-card,.palette-card{padding:12px}.form-actions,.summary-strip{grid-template-columns:1fr}.sheet-tools,.zoom-control,.toggle-control,.secondary-action{width:100%}.zoom-control{grid-template-columns:1fr;padding:10px}.zoom-control input{width:100%}.pattern-sheet,.modal-layer{padding:12px}.size-modal{border-radius:14px;padding:18px}.modal-copy h2{font-size:2.35rem}.size-preset-grid{grid-template-columns:1fr}.size-card{min-height:132px}.size-symbol{height:58px}.modal-dimensions{grid-template-columns:1fr auto 1fr}}.workbench{width:min(1880px,100%);height:calc(100vh - 86px);display:block;position:relative}.preview-panel{grid-template-rows:auto auto minmax(0,1fr);height:100%;min-height:0;padding:16px;display:grid}.pattern-stage{height:100%;min-height:0}.floating-panel{z-index:20;-webkit-backdrop-filter:blur(22px)saturate(125%);backdrop-filter:blur(22px)saturate(125%);background:linear-gradient(145deg,#ffffffc7,#f9fbf894),#ffffffa8;border-color:#ffffff8c;max-height:calc(100vh - 114px);position:fixed;top:92px;overflow:auto;box-shadow:0 26px 82px #1a232b26}.details-panel{align-content:start;gap:18px;display:grid}.dock-tab{z-index:2;color:#172033;cursor:pointer;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffb8;border:1px solid #1720331f;border-radius:999px;justify-self:end;min-height:34px;padding:0 11px;font-size:.78rem;font-weight:900;position:sticky;top:0}.floating-panel.collapsed{width:64px;min-height:64px;padding:10px;overflow:hidden}.floating-panel.collapsed>:not(.dock-tab){display:none}.floating-panel.collapsed .dock-tab{writing-mode:vertical-rl;text-orientation:mixed;border-radius:12px;width:44px;height:44px;padding:0}@media (width<=920px){.workbench{height:auto}.preview-panel{min-height:620px}.floating-panel{width:auto;max-height:none;margin-bottom:14px;position:static}.floating-panel.collapsed{width:100%}}.app-shell{height:100vh;padding:14px;overflow:hidden}.app-header{height:58px;margin-bottom:12px;padding:0 2px}.brand-block{gap:10px}.brand-mark{border-radius:7px;width:36px;height:36px}.header-badges span{background:#ffffffb3;min-height:34px;padding:7px 14px}.workbench{max-width:none;height:calc(100vh - 84px)}.preview-panel{background:#ffffffb8;border-radius:10px;padding:0;position:relative;overflow:hidden}.panel-heading{z-index:12;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffc7;border:1px solid #1720331a;border-radius:10px;align-items:center;margin:0;padding:10px;position:absolute;top:14px;left:50%;right:14px;box-shadow:0 18px 44px #1f293714}.panel-heading h2{font-size:1.1rem}.summary-strip{z-index:11;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;position:absolute;top:92px;left:50%;right:14px}.summary-strip div{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffbd;min-height:54px;padding:8px 10px}.pattern-stage{border:0;border-radius:0;height:100%;padding:126px 390px 28px;scroll-padding:126px 390px 28px}.pattern-sheet{width:max-content;min-width:max-content;margin:0 auto}.empty-state{place-content:center;gap:14px;min-height:100%;padding:0}.empty-mark{background-color:#fff9;background-image:linear-gradient(90deg,#1720330f 1px,#0000 1px),linear-gradient(#1720330f 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:14px 14px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;border:1px solid #1720331f;border-radius:18px;width:116px;height:116px}.empty-state p{color:#6a7482;max-width:320px;font-size:.95rem}.floating-panel{border-radius:10px;max-height:calc(100vh - 112px);top:92px}.left-panel{width:300px;left:14px}.right-panel{width:300px;right:14px}.control-panel,.source-card,.palette-card{padding:14px}.panel-title h2{font-size:1.18rem}.palette-list{max-height:310px}.floating-panel.collapsed{width:48px;min-height:48px;padding:7px}.floating-panel.collapsed .dock-tab{border-radius:9px;width:34px;height:34px}@media (width<=1280px){.panel-heading,.summary-strip{left:360px}.pattern-stage{padding-left:340px;padding-right:340px;scroll-padding-left:340px;scroll-padding-right:340px}}@media (width<=920px){.app-shell{height:auto;overflow:visible}.workbench{height:auto}.panel-heading,.summary-strip{margin:12px;position:static}.pattern-stage{height:560px;padding:16px;scroll-padding:16px}.floating-panel{border-radius:10px}}.app-header{max-width:1280px;height:auto;margin-bottom:14px}.step-nav{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffff9e;border:1px solid #17203317;border-radius:12px;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;width:min(1280px,100%);margin:0 auto 14px;padding:6px;display:grid;box-shadow:0 18px 42px #1c2a340e}.step-nav button{color:#4d5a6b;text-align:left;cursor:pointer;background:0 0;border-radius:9px;gap:3px;min-height:54px;padding:8px 12px;font-weight:900;display:grid}.step-nav button span{color:#4b8277;text-transform:uppercase;font-size:.74rem;font-weight:900}.step-nav button.active{color:#fff;background:#172033}.step-nav button.active span{color:#a9cfc5}.workbench{width:min(1280px,100%);max-width:1280px;height:auto;margin:0 auto;display:block}.step-panel{display:none!important}.step-panel.active{display:grid!important}.control-panel.step-panel.active{width:min(760px,100%);max-height:none;margin:0 auto;padding:22px;position:static;overflow:visible}.control-panel .panel-title h2{font-size:1.55rem}.preview-panel.step-panel.active{grid-template-rows:auto auto minmax(0,1fr);min-height:calc(100vh - 170px);padding:16px;position:relative;overflow:hidden}.preview-panel .panel-heading{box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:0;align-items:center;margin:0 0 12px;padding:0;position:static}.preview-panel .panel-heading h2{font-size:1.45rem}.preview-panel .summary-strip{grid-template-columns:repeat(4,minmax(0,1fr));margin:0 0 12px;position:static}.preview-panel .summary-strip div{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fbfcfb}.preview-panel .pattern-stage{border:1px solid #17203314;border-radius:8px;height:calc(100vh - 342px);min-height:500px;padding:18px;scroll-padding:18px}.details-panel.step-panel.active{grid-template-columns:360px minmax(0,1fr);gap:16px;width:min(1080px,100%);max-height:none;margin:0 auto;position:static;overflow:visible}.export-card{background:#ffffffdb;border:1px solid #17203317;border-radius:8px;grid-column:1/-1;justify-content:space-between;align-items:center;gap:16px;padding:18px;display:flex;box-shadow:0 18px 42px #1c2a340e}.export-card h2{color:#172033;margin:4px 0 0;font-size:1.35rem}.export-actions{flex-wrap:wrap;gap:10px;display:flex}.export-actions .primary-action,.export-actions .secondary-action{min-width:150px}@media (width<=920px){.step-nav{grid-template-columns:1fr}.preview-panel.step-panel.active{min-height:auto}.preview-panel .panel-heading{align-items:flex-start}.preview-panel .summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.details-panel.step-panel.active{grid-template-columns:1fr}.export-card{flex-direction:column;align-items:stretch}}.app-shell{height:auto;min-height:100vh;padding:22px;overflow:auto}.app-header,.workbench{width:min(1680px,100%);max-width:1680px}.app-header{height:auto;margin-bottom:18px}.app-header h1{font-size:clamp(1.35rem,2.4vw,2.1rem)}.step-nav{display:none}.workbench{grid-template-columns:330px minmax(0,1fr) 320px;align-items:start;gap:18px;height:auto;margin:0 auto;display:grid}.control-panel{gap:16px;width:auto;max-height:none;margin:0;padding:16px;display:grid;position:sticky;top:18px;overflow:visible}.preview-panel{min-width:0;min-height:0;padding:16px;display:block;position:static;overflow:visible}.panel-heading,.preview-panel .panel-heading{box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:0;align-items:center;margin:0 0 14px;padding:0;position:static}.panel-heading h2,.preview-panel .panel-heading h2{font-size:1.35rem}.summary-strip,.preview-panel .summary-strip{grid-template-columns:repeat(4,minmax(0,1fr));margin:0 0 14px;position:static}.summary-strip div,.preview-panel .summary-strip div{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fbfcfb;min-height:64px;padding:10px 12px}.summary-strip strong{font-size:1.15rem}.pattern-stage,.preview-panel .pattern-stage{border:1px solid #17203314;border-radius:8px;height:calc(100vh - 245px);min-height:560px;padding:0;scroll-padding:0;display:block;overflow:auto}.pattern-sheet{width:max-content;min-width:100%;margin:0;padding:18px}.details-panel{grid-template-columns:1fr;align-content:start;gap:18px;width:auto;max-height:none;margin:0;display:grid;position:sticky;top:18px;overflow:visible}.panel-title h2,.control-panel .panel-title h2{font-size:1.35rem}.preset-button{min-height:36px;font-size:.82rem}.segment-button,.detail-button{min-height:58px;padding:10px 12px}.form-actions{grid-template-columns:minmax(0,1fr) 86px}@media (width<=1280px){.workbench{grid-template-columns:310px minmax(0,1fr)}.details-panel{grid-column:1/-1;grid-template-columns:320px minmax(0,1fr);position:static}.details-panel .palette-list{max-height:360px}}@media (width<=920px){.workbench,.details-panel{grid-template-columns:1fr}.control-panel{position:static}.panel-heading{flex-direction:column;align-items:flex-start}.summary-strip,.preview-panel .summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.pattern-stage,.preview-panel .pattern-stage{height:560px;min-height:420px}}.fullscreen-preview-layer{z-index:80;-webkit-backdrop-filter:blur(18px)saturate(1.05);backdrop-filter:blur(18px)saturate(1.05);background:linear-gradient(135deg,#eff7f3e6,#ffffffc7),#f8faf9c7;grid-template-rows:auto minmax(0,1fr);gap:14px;padding:18px;display:grid;position:fixed;inset:0}.fullscreen-preview-toolbar{background:#ffffffdb;border:1px solid #1720331a;border-radius:12px;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;display:flex;box-shadow:0 18px 48px #1720331f}.fullscreen-preview-toolbar h2{color:#101827;letter-spacing:0;margin:4px 0 0;font-size:clamp(1.25rem,2vw,1.8rem)}.fullscreen-tools{justify-content:flex-end}.fullscreen-preview-stage{background-color:#ffffffd1;background-image:linear-gradient(#1720330b 1px,#0000 1px),linear-gradient(90deg,#1720330b 1px,#0000 1px);background-size:24px 24px;border:1px solid #1720331a;border-radius:12px;min-height:0;overflow:auto;box-shadow:inset 0 0 0 1px #ffffffb8}.fullscreen-preview-stage .pattern-sheet{min-width:max-content;margin:0 auto;padding:28px}.fullscreen-pattern-sheet{transform-origin:top}@media (width<=920px){.fullscreen-preview-layer{padding:12px}.fullscreen-preview-toolbar{flex-direction:column;align-items:stretch}.fullscreen-tools,.fullscreen-preview-toolbar .sheet-tools{justify-content:stretch;width:100%}}.app-header{justify-content:flex-start;align-items:center}.control-panel{gap:14px}.control-panel .panel-title{margin-bottom:0}.preview-panel .panel-heading{grid-template-columns:minmax(120px,auto) minmax(0,1fr);gap:14px;display:grid}.preview-panel .sheet-tools{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.preview-panel .toggle-control,.preview-panel .zoom-control,.preview-panel .secondary-action{border-radius:8px;min-height:40px}.preview-panel .toggle-control{padding:0 12px}.preview-panel .zoom-control{min-width:190px;padding:0 12px}.canvas-summary{color:#667085;letter-spacing:0;margin:-4px 0 12px;font-size:.9rem;font-weight:700}.source-card .meta-list{margin-top:12px}.source-card .meta-list div{background:0 0;border:0;min-height:34px;padding:0}.palette-card .top-color-strip{margin-bottom:12px}@media (width<=1400px){.preview-panel .panel-heading{grid-template-columns:1fr}.preview-panel .sheet-tools{justify-content:flex-start}}.workbench{grid-template-columns:280px minmax(0,1fr) 270px;gap:14px;width:min(1760px,100%);max-width:1760px}.control-panel,.preview-panel,.source-card,.palette-card{border-radius:8px;padding:14px}.panel-title h2,.control-panel .panel-title h2,.panel-heading h2,.preview-panel .panel-heading h2{font-size:1.18rem}.section-label,.kicker{font-size:.7rem}.upload-zone{min-height:96px;padding:14px}.upload-title{font-size:.92rem}.upload-copy,.muted{font-size:.82rem}.access-card{background:linear-gradient(135deg,#f5faf7f5,#ffffffe6);border:1px solid #1720331a;border-radius:8px;gap:10px;padding:12px;display:grid}.access-card.active{background:#edf7f3;border-color:#4f8f8070}.access-heading{justify-content:space-between;align-items:center;gap:10px;display:flex}.access-heading small{color:#6a7482;margin-bottom:3px;font-size:.72rem;font-weight:800;display:block}.access-heading strong{color:#172033;font-size:.98rem;line-height:1.2;display:block}.access-heading button,.card-key-row button{color:#172033;cursor:pointer;background:#fff;border:1px solid #17203324;border-radius:8px;min-height:34px;padding:0 10px;font-weight:850}.card-key-row{grid-template-columns:minmax(0,1fr) auto;gap:8px;display:grid}.card-key-row input{color:#172033;background:#fff;border:1px solid #17203329;border-radius:8px;min-width:0;min-height:38px;padding:0 10px;font-weight:800}.access-card p{color:#667085;margin:0;font-size:.78rem;line-height:1.45}.board-size-button{min-height:58px;padding:12px}.board-size-button strong{font-size:1.12rem}.compact-presets{gap:6px}.preset-button{min-height:34px;padding:0 8px}.settings-grid{gap:10px}.field{font-size:.86rem}.form-actions{grid-template-columns:minmax(0,1fr) 74px;gap:8px}.primary-action,.ghost-action,.secondary-action{min-height:40px}.preview-panel .panel-heading{gap:10px}.preview-panel .sheet-tools{gap:7px}.preview-panel .zoom-control{min-width:176px}.preview-panel .secondary-action{min-width:92px;padding:0 12px}.preview-panel .pattern-stage{height:calc(100vh - 196px)}.source-card img,.image-placeholder{margin-top:10px}.details-panel{gap:14px}.details-panel .palette-list{max-height:calc(100vh - 430px)}.palette-row{grid-template-columns:30px minmax(0,1fr) auto;gap:8px;min-height:46px}.swatch{width:30px;height:30px}.color-main strong{font-size:.92rem}.color-count{font-size:.82rem}@media (width<=1280px){.workbench,.details-panel{grid-template-columns:260px minmax(0,1fr)}}.admin-shell{background:linear-gradient(135deg,#ceded675,#0000 34%),linear-gradient(315deg,#dbcdb22e,#0000 26%),#f7f8f5;place-items:center;min-height:100vh;padding:24px;display:grid}.admin-panel{background:#ffffffdb;border:1px solid #17203317;border-radius:10px;gap:18px;width:min(760px,100%);padding:22px;display:grid;box-shadow:0 24px 68px #1c2a341f}.admin-heading{justify-content:space-between;align-items:center;gap:16px;display:flex}.admin-heading h1{color:#172033;margin:4px 0 0;font-size:clamp(1.8rem,4vw,3rem);line-height:1}.admin-heading a{color:#172033;border:1px solid #17203329;border-radius:999px;place-items:center;min-height:40px;padding:0 14px;font-weight:850;text-decoration:none;display:inline-grid}.admin-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.admin-actions button{color:#172033;cursor:pointer;text-align:left;background:linear-gradient(145deg,#fffffff2,#edf7f3c7);border:1px solid #1720331f;border-radius:10px;align-content:center;gap:8px;min-height:112px;padding:14px;display:grid}.admin-actions button:disabled{cursor:progress;opacity:.72}.admin-actions strong{font-size:1.45rem;line-height:1}.admin-actions span{color:#667085;font-size:.84rem;line-height:1.4}.admin-message{color:#4b8277;background:#edf7f3;border-radius:8px;align-items:center;min-height:40px;margin:0;padding:10px 12px;font-size:.9rem;font-weight:800;display:flex}.admin-card-list{gap:8px;display:grid}.admin-card-row,.admin-empty{background:#fff;border:1px solid #1720331a;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;min-height:64px;padding:12px;display:flex}.admin-card-row div{gap:4px;min-width:0;display:grid}.admin-card-row strong{color:#172033;overflow-wrap:anywhere;font-family:SFMono-Regular,Consolas,monospace;font-size:1rem}.admin-card-row span,.admin-empty{color:#667085;font-size:.86rem;font-weight:750}.admin-card-row button{color:#fff;cursor:pointer;background:#172033;border:1px solid #17203324;border-radius:8px;min-height:38px;padding:0 14px;font-weight:900}@media (width<=680px){.admin-heading,.admin-card-row,.admin-empty{flex-direction:column;align-items:stretch}.admin-actions{grid-template-columns:1fr}}