@font-face{font-family:SuwitSolid;src:url(/assets/SW%20SuwitUPC-CZe2M3nt.otf) format("opentype")}@font-face{font-family:SuwitDot;src:url(/assets/SW%20Suwit_DotUPC-Cl56pZ0u.otf) format("opentype")}:root{color:#17202a;background:#f4f7fa;font-family:Tahoma,Noto Sans Thai,Leelawadee UI,sans-serif;font-synthesis:none;text-rendering:geometricPrecision}*{box-sizing:border-box}html{width:100%;max-width:100%;overflow-x:hidden;overscroll-behavior-x:none}html,body,#root{width:100%;max-width:100%;min-height:100%;overflow-x:hidden}body{margin:0;min-width:0;min-height:100vh;position:relative;touch-action:pan-y;overflow-x:hidden;background:linear-gradient(90deg,rgba(32,95,86,.06) 1px,transparent 1px),linear-gradient(rgba(20,33,61,.045) 1px,transparent 1px),#f4f7fa;background-size:36px 36px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.56}.app-shell{position:relative;width:min(1180px,calc(100% - 24px));max-width:calc(100vw - 24px);margin:0 auto;padding:10px 0 40px;overflow-x:clip}.table-section,.modal,.confirm-dialog{border:1px solid #d7dee6;background:#fffffff5;box-shadow:0 14px 40px #3741511f}.motion-letter-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none;width:100vw;max-width:100vw;contain:paint;clip-path:inset(0)}.floating-letter{position:absolute;color:#1f6f6429;font-family:SuwitDot,Tahoma,sans-serif;font-size:clamp(4.5rem,9vw,9rem);line-height:1;animation:floatLetter var(--duration, 24s) ease-in-out infinite alternate;animation-delay:var(--delay, 0s)}.floating-letter:nth-child(1){top:10%;left:4%;--duration: 24s;--delay: -4s;--move-x: 22vw;--move-y: 14vh;--spin: 18deg}.floating-letter:nth-child(2){top:20%;left:72%;--duration: 28s;--delay: -10s;--move-x: -20vw;--move-y: 22vh;--spin: -24deg}.floating-letter:nth-child(3){top:48%;left:12%;--duration: 26s;--delay: -8s;--move-x: 18vw;--move-y: -20vh;--spin: 30deg}.floating-letter:nth-child(4){top:70%;left:66%;--duration: 30s;--delay: -14s;--move-x: -24vw;--move-y: -18vh;--spin: 26deg}.floating-letter:nth-child(5){top:5%;left:42%;--duration: 32s;--delay: -6s;--move-x: 16vw;--move-y: 26vh;--spin: -18deg}.floating-letter:nth-child(6){top:78%;left:8%;--duration: 29s;--delay: -18s;--move-x: 32vw;--move-y: -24vh;--spin: 20deg}.floating-letter:nth-child(7){top:40%;left:84%;--duration: 27s;--delay: -12s;--move-x: -28vw;--move-y: 12vh;--spin: -32deg}.floating-letter:nth-child(8){top:88%;left:40%;--duration: 34s;--delay: -22s;--move-x: 18vw;--move-y: -30vh;--spin: 28deg}.floating-letter:nth-child(9){top:32%;left:34%;--duration: 25s;--delay: -16s;--move-x: 24vw;--move-y: 18vh;--spin: -20deg}.floating-letter:nth-child(10){top:62%;left:90%;--duration: 31s;--delay: -24s;--move-x: -36vw;--move-y: -10vh;--spin: 34deg}.floating-letter:nth-child(11){top:14%;left:92%;--duration: 30s;--delay: -20s;--move-x: -30vw;--move-y: 28vh;--spin: -26deg}.floating-letter:nth-child(12){top:82%;left:74%;--duration: 33s;--delay: -28s;--move-x: -22vw;--move-y: -24vh;--spin: 22deg}@keyframes floatLetter{0%{transform:translateZ(0) rotate(0)}to{transform:translate3d(var(--move-x),var(--move-y),0) rotate(var(--spin))}}.brand-hero{position:relative;z-index:1;display:grid;max-width:100%;min-height:230px;overflow:hidden;place-items:center}.brand-hero h1{font-family:SuwitDot,Tahoma,sans-serif;width:100%;max-width:100%;overflow:hidden;font-size:clamp(5.5rem,17vw,15rem);font-weight:900;line-height:.82;color:#10233a;text-align:center}.developer-credit{position:absolute;right:6px;bottom:16px;max-width:100%;overflow:hidden;color:#0f5a51;font-family:SuwitDot,SuwitSolid,Tahoma,sans-serif;font-size:1.28rem;font-weight:900;letter-spacing:0;text-shadow:0 0 0 currentColor,.25px 0 currentColor,0 .25px currentColor}.eyebrow{margin:0 0 4px;color:#27665f;font-size:.88rem;font-weight:700}h1,h2{margin:0;color:#14213d}h1{font-family:SuwitSolid,Tahoma,sans-serif;font-size:3.5rem;line-height:.95}h2{font-size:1.2rem}.primary-button,.secondary-button,.danger-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:0 16px;border-radius:8px;border:1px solid transparent;font-weight:700;white-space:nowrap}.primary-button{background:#1f6f64;color:#fff;border-color:#1a5f56}.primary-button:hover:not(:disabled){background:#185a52}.secondary-button{background:#f7f9fb;color:#20343f;border-color:#cbd5df}.secondary-button:hover:not(:disabled){background:#edf2f6}.danger-button{background:#b3292f;color:#fff;border-color:#9e2228}.danger-button:hover:not(:disabled){background:#921b21}.table-section{position:relative;z-index:1;max-width:100%;margin-top:8px;border-radius:8px;overflow:hidden}.section-header{display:flex;min-width:0;max-width:100%;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid #dde5ee}.section-header span{color:#5b6572;font-size:.94rem}.section-title-block{display:grid;min-width:0;gap:4px}.section-controls{display:flex;min-width:0;max-width:100%;align-items:center;gap:10px}.view-toggle{display:inline-grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:3px;border:1px solid #cbd5df;border-radius:8px;background:#eef4f7}.view-toggle button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:0 11px;border:0;border-radius:6px;background:transparent;color:#40505f;font-weight:800}.view-toggle button.active{background:#fff;color:#14213d;box-shadow:0 1px 5px #3741511f}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;max-width:100%;padding:18px;overflow:hidden}.exercise-card{display:flex;min-width:0;max-width:100%;flex-direction:column;gap:12px;align-items:stretch;overflow:visible;padding:14px;border:1px solid #dbe4ed;border-radius:8px;background:#fff;box-shadow:0 8px 24px #37415114}.exercise-card-clickable,.table-item-clickable{cursor:pointer}.exercise-card-clickable:hover,.table-item-clickable:hover{background:#fbfdff}.template-example-card{border-color:#d7c5a7;background:#f3ead4;box-shadow:0 10px 22px #7e57001a}.template-example-card.exercise-card-clickable:hover{background:#efe2c3}.template-example-heading{display:grid;min-width:0;gap:4px;text-align:center}.template-example-heading span{color:#74511a;font-size:.8rem;font-weight:900}.template-example-heading h3{margin:0}.template-example-heading small{color:#6d5630;font-size:.82rem;line-height:1.35}.template-use-button,.template-table-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;border:1px solid #c7a76a;border-radius:8px;background:#ffffffad;color:#14213d;font-weight:900}.template-use-button:hover,.template-table-button:hover{background:#fff}.template-table-row td{background:#f8f1e2}.template-table-item{background:#f3ead4}.template-table-item.table-item-clickable:hover{background:#efe2c3}.template-table-button{flex:0 0 auto;padding:0 13px}.exercise-card-clickable:focus-visible,.table-item-clickable:focus-visible{outline:3px solid rgba(31,111,100,.22);outline-offset:2px}.exercise-card-preview{position:relative;width:min(100%,320px);aspect-ratio:210 / 297;align-self:center;container-type:inline-size;overflow:hidden;border:1px solid #d7dee6;background:#fff;box-shadow:0 10px 24px #3741511f}.exercise-preview-wrap{position:relative;width:min(100%,320px);align-self:center}.exercise-preview-wrap .exercise-card-preview{width:100%}.preview-lock-button{position:absolute;top:8px;right:8px;z-index:2;width:34px;height:34px;background:#ffffffeb;box-shadow:0 8px 18px #37415124}.exercise-card h3{margin:0;overflow:hidden;color:#14213d;font-size:1.05rem;font-weight:800;text-align:center;text-overflow:ellipsis;white-space:nowrap}.exercise-card .row-actions{display:flex;min-width:0;max-width:100%;justify-content:center;padding-top:2px}.card-empty{grid-column:1 / -1;border:1px dashed #cbd5df;border-radius:8px;background:#fbfdff}.card-paper-title{position:absolute;top:5.5%;right:4.7%;left:15.5%;overflow:hidden;color:#14213d;font-family:SuwitSolid,Tahoma,sans-serif;font-size:9.35cqw;line-height:1;text-align:center;text-overflow:ellipsis;white-space:nowrap}.card-red-margin{position:absolute;top:0;bottom:5%;left:12%;width:1px;background:red}.card-example-line,.card-copy-row,.card-name-line{position:absolute;right:0;left:0;border-top:1px solid #b7d3ff;border-bottom:1px solid #b7d3ff}.card-example-line{top:18%;height:5.6%}.card-example-line span{position:absolute;left:15.5%;max-width:79.8%;overflow:hidden;color:#14213d;font-family:SuwitSolid,Tahoma,sans-serif;font-size:9.35cqw;line-height:.92;text-overflow:ellipsis;white-space:pre}.card-copy-lines{position:absolute;top:27%;right:0;bottom:14%;left:0}.card-write-lines{position:absolute;top:18%;right:0;bottom:14%;left:0}.card-copy-row{height:8.8%}.card-copy-row:nth-child(1){top:0}.card-copy-row:nth-child(2){top:10%}.card-copy-row:nth-child(3){top:20%}.card-copy-row:nth-child(4){top:30%}.card-copy-row:nth-child(5){top:40%}.card-copy-row:nth-child(6){top:50%}.card-copy-row:nth-child(7){top:60%}.card-copy-row:nth-child(8){top:70%}.card-copy-row:nth-child(9){top:80%}.card-copy-row:nth-child(10){top:90%}.card-row-number{position:absolute;left:2.7%;color:#14213d;font-family:SuwitSolid,Tahoma,sans-serif;font-size:7.8cqw;line-height:1}.card-row-text{position:absolute;left:15.5%;max-width:79.8%;overflow:hidden;color:#14213db8;font-family:SuwitDot,Tahoma,sans-serif;font-size:9.35cqw;font-weight:900;line-height:.92;text-shadow:0 0 0 currentColor,.18px 0 currentColor;text-overflow:ellipsis;white-space:pre}.card-word-text{position:absolute;right:4.7%;left:15.5%;display:flex;overflow:hidden;white-space:nowrap}.write-word-preview-half .card-word-text{right:28%}.card-word-solid{flex:0 0 auto;margin-right:2.1cqw;color:#14213d;font-family:SuwitSolid,Tahoma,sans-serif;font-size:9.35cqw;line-height:.92;white-space:pre}.card-word-dots{min-width:0;overflow:hidden;color:#14213db8;font-family:SuwitDot,Tahoma,sans-serif;font-size:9.35cqw;font-weight:900;line-height:.92;text-shadow:0 0 0 currentColor,.18px 0 currentColor;white-space:pre}.card-name-line{top:88%;height:5.6%;padding-left:15.5%;color:#14213d;font-family:SuwitSolid,Tahoma,sans-serif;font-size:9.35cqw;line-height:.95}.table-wrap{overflow-x:auto;max-width:100%}.compact-table-wrap{max-width:100%;overflow-x:hidden}table{width:100%;border-collapse:collapse;min-width:760px}.compact-table{width:100%;max-width:100%;min-width:0;table-layout:fixed}th,td{padding:15px 18px;text-align:left;border-bottom:1px solid #e5ebf1;vertical-align:middle}th{color:#52606b;background:#f6f8fb;font-size:.88rem;font-weight:700}td strong{display:block;color:#14213d;font-weight:800}td small{display:block;width:min(420px,60vw);margin-top:4px;overflow:hidden;color:#66727f;text-overflow:ellipsis;white-space:nowrap}.compact-table td{padding:0}.table-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;padding:15px 18px}.table-item-copy{min-width:0}.table-item-copy strong{display:block}.table-item-copy small{width:100%;max-width:640px;color:#66727f;font-size:.78rem;line-height:1.35;white-space:normal}.table-item-copy span{display:block;margin-top:7px;color:#64707d;font-size:.84rem;font-weight:700}tr:last-child td{border-bottom:0}.actions-column{width:230px}.row-actions,.header-actions,.confirm-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid #cbd5df;border-radius:8px;background:#f7f9fb;color:#20343f}.icon-button:hover{background:#edf2f6}.icon-button.lock-button{color:#1f6f64;border-color:#9ccbc3;background:#eef8f6}.icon-button.lock-button:hover{background:#ddf0ed}.icon-button.lock-button.is-locked{color:#ab1f27;border-color:#efb3b7;background:#fff2f3}.icon-button.lock-button.is-locked:hover{background:#ffe5e7}.icon-button.danger{color:#ab1f27}.empty-row{height:210px;color:#697482;text-align:center}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10;display:grid;place-items:center;padding:22px;background:#121c2680}.modal{display:flex;width:min(1120px,100%);max-height:min(860px,calc(100vh - 44px));flex-direction:column;border-radius:8px;overflow:hidden}.view-modal{height:min(860px,calc(100vh - 44px))}.view-preview-body,.desktop-pdf-preview{display:flex;min-height:0;flex:1}.mobile-pdf-preview{display:none}.mobile-preview-page{display:grid;gap:10px;justify-items:center}.mobile-preview-page>span{color:#52606b;font-size:.86rem;font-weight:800}.mobile-sheet-preview{position:relative;width:min(100%,360px);aspect-ratio:210 / 297;container-type:inline-size;overflow:hidden;border:1px solid #d7dee6;background:#fff;box-shadow:0 10px 24px #3741511f}.confirm-dialog{width:min(440px,100%);padding:20px;border-radius:8px}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:18px 20px;border-bottom:1px solid #dde5ee;background:#f7f9fb}.modal-body{display:grid;grid-template-columns:minmax(320px,390px) minmax(0,1fr);min-height:0}.form-panel{display:flex;min-height:0;flex-direction:column;gap:14px;padding:18px;border-right:1px solid #dde5ee;overflow-y:auto}.field{display:grid;gap:7px}.line-count-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.field.grow{flex:1;min-height:94px}.field span{color:#344250;font-size:.92rem;font-weight:700}input,select,textarea{width:100%;border:1px solid #cbd5df;border-radius:8px;background:#fff;color:#14213d;outline:none}input,select{height:42px;padding:0 12px}textarea{min-height:86px;resize:vertical;padding:12px;line-height:1.55}input:focus,select:focus,textarea:focus{border-color:#1f6f64;box-shadow:0 0 0 3px #1f6f6429}.validation{display:flex;min-height:22px;flex-wrap:wrap;gap:8px}.copy-list{display:grid;gap:10px}.word-template-panel,.word-list{display:grid;gap:8px}.write-line-mode-field{gap:7px}.write-line-mode-toggle{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:3px;border:1px solid #cbd5df;border-radius:8px;background:#eef4f7}.write-line-mode-toggle button{min-height:34px;padding:0 8px;border:0;border-radius:6px;background:transparent;color:#40505f;font-weight:800}.write-line-mode-toggle button.active{background:#fff;color:#14213d;box-shadow:0 1px 5px #3741511f}.word-item{display:grid;grid-template-columns:30px minmax(0,1fr);gap:8px;align-items:center}.word-index{color:#344250;font-weight:800;text-align:right}.copy-list-header,.copy-item-title{display:flex;align-items:center;justify-content:space-between;gap:10px}.copy-list-header>span,.copy-item-label{color:#344250;font-size:.92rem;font-weight:700}.copy-list-header .compact-button{min-height:34px;padding:0 12px;font-size:.9rem}.copy-item{display:grid;gap:8px;padding:8px 10px 10px;border:1px solid #dde5ee;border-radius:8px;background:#fbfdff}.copy-item.is-dragging{border-style:dashed;opacity:.64;-webkit-user-select:none;user-select:none}.copy-item-title{justify-content:flex-start}.copy-item-label{flex:1}.copy-item input{height:42px}.drag-handle{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;border:1px solid transparent;border-radius:8px;background:transparent;color:#52606b;cursor:grab;touch-action:none}.drag-handle:active{cursor:grabbing}.drag-handle:hover{background:#eef4f7;border-color:#d7e1ea}.remove-copy-button{width:30px;height:30px;color:#ab1f27}.validation span{color:#9a3412;font-size:.86rem}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.preview-panel{min-height:0;padding:18px;background:#eef4f7}.pdf-frame,.preview-placeholder{width:100%;height:100%;min-height:560px;border:1px solid #cbd5d9;border-radius:8px;background:#fff}.preview-placeholder{display:grid;place-items:center;color:#5f6e77;font-weight:700}.exercise-card-preview.preview-placeholder{min-height:238px;border:0;border-radius:0}.confirm-copy{margin:18px 0 22px;color:#4b5563}.lock-form{display:grid;gap:14px;padding-top:18px}.lock-error{margin:0;color:#ab1f27;font-size:.9rem;font-weight:800}.confirm-actions{justify-content:flex-end}.install-invite{position:fixed;right:18px;bottom:18px;z-index:20;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;width:min(460px,calc(100vw - 32px));padding:12px;border:1px solid #d7dee6;border-radius:8px;background:#fffffffa;box-shadow:0 18px 44px #202b3638}.install-icon{display:grid;width:48px;height:48px;place-items:center;border-radius:12px;background:#f3ead4;color:#111;font-family:Arial,Helvetica,sans-serif;font-size:1.1rem;font-weight:900}.install-copy{display:grid;min-width:0;gap:3px}.install-copy strong{color:#14213d;font-weight:900}.install-copy span{color:#52606b;font-size:.88rem;line-height:1.35}.install-actions{display:flex;align-items:center;gap:8px}.install-button{min-height:36px;padding:0 14px}@media(max-width:820px){.modal-body{align-content:start;grid-auto-rows:max-content;grid-template-columns:1fr;overflow-y:auto}.form-panel{overflow:visible;border-right:0;border-bottom:1px solid #dde5ee}.preview-panel{min-height:520px}.view-modal .desktop-pdf-preview{display:none}.view-modal .mobile-pdf-preview{display:grid;flex:1;gap:18px;min-height:0;overflow-y:auto;padding:14px;background:#eef4f7}}@media(max-width:520px){html,body,#root{width:100%;max-width:100vw;overflow-x:hidden}body{overscroll-behavior-x:none}.app-shell{width:calc(100vw - 16px);max-width:calc(100vw - 16px);padding-top:8px;overflow-x:clip}.motion-letter-layer{width:100vw;max-width:100vw;overflow:hidden;clip-path:inset(0)}.floating-letter{max-width:100vw;font-size:clamp(4rem,24vw,6.35rem)}.brand-hero{min-height:190px;overflow:hidden}.brand-hero h1{font-size:clamp(4.75rem,27vw,6.35rem)}.developer-credit{right:2px;bottom:10px;font-size:1.18rem}.section-header,.modal-header{min-width:0;max-width:100%;align-items:stretch;flex-direction:column}.section-header{padding:16px}.section-controls{width:100%;align-items:stretch;flex-direction:column}.view-toggle,.section-controls .primary-button{width:100%}.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:10px;overflow:hidden}.exercise-card{gap:8px;min-width:0;max-width:100%;padding:9px;overflow:hidden}.exercise-card-preview{width:100%;min-height:0}.exercise-preview-wrap{width:100%}.preview-lock-button{top:5px;right:5px;width:30px;height:30px}.exercise-card h3{font-size:clamp(.8rem,3.4vw,.98rem)}.exercise-card .row-actions{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));justify-content:center;gap:3px;overflow:hidden;width:100%}.exercise-card .icon-button{width:100%;min-width:0;height:28px;padding:0;border-radius:7px}.exercise-card .icon-button svg{width:14px;height:14px}.table-section{max-width:100%;overflow:hidden}table{width:100%;max-width:100%;min-width:0;table-layout:fixed}th,td{padding:12px 14px;max-width:100%;overflow:hidden}.table-item{display:block;max-width:100%;overflow:hidden;padding:14px}.table-item-copy small{max-width:none;font-size:.76rem}.table-item .row-actions{margin-top:10px}.table-item .icon-button{width:34px;height:34px}.header-actions{justify-content:flex-end}.modal-actions,.confirm-actions{flex-direction:column}.modal-actions button,.confirm-actions button{width:100%}.modal-backdrop{align-items:stretch;padding:8px}.modal{width:100%;max-height:calc(100vh - 16px)}.view-modal{height:calc(100vh - 16px)}.modal-header{gap:10px;padding:14px 16px}.form-panel{padding:16px}.line-count-fields{grid-template-columns:1fr 1fr;gap:8px}.copy-list-header{align-items:stretch;flex-direction:column}.copy-list-header .compact-button{width:100%}.preview-panel{min-height:min(520px,72vh);padding:12px}.pdf-frame,.preview-placeholder{min-height:min(500px,68vh)}.mobile-sheet-preview{width:min(100%,310px)}.install-invite{right:8px;bottom:8px;left:8px;grid-template-columns:auto minmax(0,1fr);width:auto}.install-actions{grid-column:1 / -1;justify-content:stretch}.install-actions .install-button{flex:1}}@media(max-width:380px){.exercise-card-preview{width:100%;min-height:0}.exercise-card h3{font-size:.78rem}.exercise-card .icon-button{height:26px}}