:root{--color-bg-main: #fff;--color-bg-secondary: #fafafa;--color-bg-tertiary: #fbfbfb;--color-bg-muted: #f7f7f7;--color-bg-soft: #f3f5f8;--color-bg-soft-hover: #eceff4;--color-bg-selected: #eef4ff;--color-bg-accent-soft: #f4f6ff;--color-border-main: #e5e5e5;--color-border-light: #eee;--color-border-input: #dcdcdc;--color-border-muted: #d8d8d8;--color-border-strong: #d7dbe3;--color-border-slider: #d9dce1;--color-border-image: #e6e6e6;--color-border-dashed: #cfcfcf;--color-text-main: #333;--color-text-secondary: #444;--color-text-muted: #555;--color-text-soft: #666;--color-text-icon: #596273;--color-text-close: #7b818c;--color-text-button: #394150;--color-accent: #1f6feb;--color-accent-soft: #7ea7df;--color-accent-contrast: #fff;--color-danger-border: #f3c6c6;--color-danger-bg: #fff5f5;--color-danger-text: #8a1f1f;--shadow-shell: 0 .625rem 1.875rem rgba(0, 0, 0, .06);--shadow-thumb: 0 .125rem .375rem rgba(35, 41, 52, .18);--shadow-button: 0 .0625rem .125rem rgba(16, 24, 40, .04);--shadow-button-hover: 0 .375rem 1rem rgba(16, 24, 40, .08);--shadow-button-primary: 0 .5rem 1.25rem rgba(31, 111, 235, .24);--shadow-input-inset: inset 0 .0625rem .125rem rgba(0, 0, 0, .05)}html,body{min-height:100%}body{margin:0;font-family:Inter,sans-serif;background:radial-gradient(circle at top,rgba(126,167,223,.16),transparent 30%),linear-gradient(180deg,#edf2f8,#e6ecf3)}.app-shell{min-height:100vh;padding:2rem}.app-hero{max-width:32rem;padding:1.5rem;border:.0625rem solid rgba(215,219,227,.9);border-radius:1rem;background:#ffffffc7;box-shadow:0 1rem 2.5rem #202c401f;backdrop-filter:blur(.5rem)}.app-hero h1{margin:0 0 .5rem;font-size:1.75rem;color:#223046}.app-hero p{margin:0 0 1rem;color:#566273}.app-open-btn{height:2.75rem;padding:0 1.25rem;border:.0625rem solid #1f6feb;border-radius:.875rem;background:linear-gradient(180deg,#4b8df1,#1f6feb);color:#fff;box-shadow:0 .75rem 1.5rem #1f6feb3d;cursor:pointer}.modal-backdrop{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:1.5rem;background:#151d2957;backdrop-filter:blur(.35rem)}.modal-dialog{width:min(100%,42rem);max-height:calc(100vh - 3rem);overflow:auto;transform-origin:center}.modal-dialog-shake{animation:modal-shake .42s ease}@keyframes modal-shake{0%{transform:translate(0)}20%{transform:translate(-.5rem)}40%{transform:translate(.45rem)}60%{transform:translate(-.3rem)}80%{transform:translate(.2rem)}to{transform:translate(0)}}.scanner-shell{position:relative;max-width:36rem;margin:1.5rem auto;border:.0625rem solid var(--color-border-main);border-radius:.625rem;background:var(--color-bg-main);overflow:hidden;box-shadow:var(--shadow-shell);font-family:Inter,sans-serif}.scanner-shell button{font-family:Inter,sans-serif}.twain-overlay{position:absolute;inset:0;z-index:20;display:grid;place-items:center;padding:1.5rem;background:#f5f7fad1;backdrop-filter:blur(.25rem)}.twain-modal{position:relative;width:min(100%,28rem);padding:2rem 1.5rem 1.5rem;border-radius:1.25rem;background:#fff;box-shadow:0 1.5rem 3rem #1b273829;text-align:center}.twain-loading-overlay{z-index:21}.twain-loading-card{display:grid;justify-items:center;gap:1rem;width:min(100%,18rem);padding:2rem 1.5rem;border-radius:1.25rem;background:#fffffff5;box-shadow:0 1.5rem 3rem #1b273829}.twain-spinner{width:3rem;height:3rem;border:.25rem solid rgba(31,111,235,.16);border-top-color:var(--color-accent);border-radius:50%;animation:twain-spin .8s linear infinite}.twain-loading-text{font-size:.95rem;font-weight:600;color:var(--color-text-main);text-align:center}@keyframes twain-spin{to{transform:rotate(360deg)}}.twain-title{margin-bottom:2rem;font-size:1.25rem;font-weight:700}.twain-error{margin:-1rem 0 1.25rem;color:#b42318;font-size:.9375rem;line-height:1.5;min-height:2.8125rem}.twain-error-hidden{visibility:hidden}.twain-steps{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-bottom:2rem}.twain-steps:before{content:"";position:absolute;top:2rem;inset-inline-start:calc(16.6666666667% + 1.5rem);inset-inline-end:calc(16.6666666667% + 1.5rem);height:1px;background:var(--color-accent-soft);opacity:.6}.twain-step{position:relative;display:grid;gap:.625rem;justify-items:center;z-index:1}.twain-icon-circle{display:grid;place-items:center;width:4rem;height:4rem;border-radius:50%;background:linear-gradient(180deg,var(--color-bg-main) 0%,var(--color-bg-accent-soft) 100%);color:var(--color-accent);box-shadow:inset 0 0 0 .0625rem #1f6feb2e}.twain-icon-circle .icon{width:2rem;height:2rem}.twain-label{font-size:.9375rem;font-weight:500}.download-verify-container{display:flex;flex-direction:row;align-items:center;justify-content:space-around;margin-bottom:2rem}.download-verify-container p{margin:unset;font-size:.875rem;max-width:5rem}.twain-verfy-btn{min-width:8rem;height:2.5rem;border:1px solid var(--color-accent-soft);background:linear-gradient(180deg,var(--color-bg-main) 0%,var(--color-bg-accent-soft) 100%);color:var(--color-accent);font-size:1rem;font-weight:700;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease,transform .15s ease}.twain-verfy-btn:hover{border:1px solid var(--color-accent-soft);background:linear-gradient(180deg,var(--color-bg-main) 0%,var(--color-bg-accent-soft) 100%);color:var(--color-accent);box-shadow:var(--shadow-button-hover)}.twain-download-btn{min-width:8rem;height:2.5rem;border:1px solid var(--color-accent);background:var(--color-accent);color:var(--color-accent-contrast);font-weight:700;cursor:pointer;font-size:1rem;box-shadow:var(--shadow-button-primary);transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease,transform .15s ease}.twain-download-btn:hover{border:1px solid var(--color-accent);background:var(--color-accent-soft);color:var(--color-accent-contrast);box-shadow:var(--shadow-button-primary)}.twain-note{margin:0;color:#667085;font-size:.875rem;line-height:1.5}.twain-note a{color:var(--color-accent)}.twain-note a:hover{text-decoration:underline}.header{padding:.875rem 1rem;border-bottom:.0625rem solid var(--color-border-light);background:var(--color-bg-secondary)}.header .header-top{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.625rem}.header .title{font-size:1.125rem;font-weight:700}.header .header-close{display:grid;place-items:center;width:2rem;height:2rem;padding:0;border:0;background:transparent;color:var(--color-text-close);font-size:1.375rem;line-height:1;cursor:pointer}.header .header-close:disabled{opacity:.4;cursor:not-allowed}.header .header-close svg{width:1rem;height:1rem;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.header .error{margin-bottom:.625rem;padding:.625rem .75rem;border:.0625rem solid var(--color-danger-border);border-radius:.625rem;background:var(--color-danger-bg);color:var(--color-danger-text);font-size:.875rem}.header .scanner-row{display:grid;grid-template-columns:5.625rem 1fr;gap:.625rem;align-items:center}.header .scanner-row label{font-size:.8125rem;color:var(--color-text-secondary)}.header .scanner-select{display:grid;grid-template-columns:1fr 2.5rem;gap:.5rem;align-items:center}.header .scanner-select select{width:100%;height:2.125rem;padding:0 .625rem;border:.0625rem solid var(--color-border-input);border-radius:.5rem;background:var(--color-bg-main)}.header .scanner-select .icon-btn{display:grid;place-items:center;height:2.125rem;border:.0625rem solid var(--color-border-input);border-radius:.5rem;background:var(--color-bg-main);cursor:pointer}.header .scanner-select .icon-btn:disabled{opacity:.5;cursor:not-allowed}.header .scanner-select .icon-btn svg{width:1rem;height:1rem;stroke:var(--color-text-icon);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.content{display:grid;grid-template-columns:17rem 1fr;align-items:stretch}.panel{padding:.875rem 1rem;border-right:.0625rem solid var(--color-border-light);min-height:0}.panel .field{display:grid;gap:.375rem;margin-bottom:.75rem}.panel .field label{font-size:.75rem;color:var(--color-text-muted)}.panel .field select,.panel .field input{height:2.125rem;padding:0 .625rem;border:.0625rem solid var(--color-border-input);border-radius:.5rem;outline:none;background:var(--color-bg-main)}.panel .field:last-child{margin-bottom:unset}.range-row{display:grid;grid-template-columns:1rem 1fr 3.75rem;gap:.75rem;align-items:center}.range-icon{width:1.125rem;height:1.125rem;display:flex;align-items:center;justify-content:center}.range-icon svg{width:1.125rem;height:1.125rem;stroke:var(--color-text-icon);stroke-width:2;fill:none}.contrast-icon{width:.875rem;height:.875rem;border-radius:50%;border:.125rem solid var(--color-text-icon);background:linear-gradient(to right,var(--color-text-icon) 50%,transparent 50%)}.range-slider{min-width:0;height:1.125rem;padding:0;border:0;appearance:none;background:transparent;outline:none;box-shadow:none;--range-fill: 50%}.panel .field input.range-slider{border:unset;padding:0}.range-slider::-webkit-slider-runnable-track{height:.375rem;border:.0625rem solid var(--color-border-slider);border-radius:999px;background:linear-gradient(90deg,var(--color-accent-soft) 0%,var(--color-accent-soft) var(--range-fill),#eef0f3 var(--range-fill),#eef0f3 100%)}.range-slider::-webkit-slider-thumb{appearance:none;width:1.125rem;height:1.125rem;margin-top:-.375rem;border-radius:50%;background:linear-gradient(180deg,#d7dce2,#bcc3cb);border:.0625rem solid #b7bec7;box-shadow:var(--shadow-thumb);cursor:pointer}.range-slider::-moz-range-track{height:.375rem;border:.0625rem solid var(--color-border-slider);border-radius:999px;background:#eef0f3}.range-slider::-moz-range-progress{height:.375rem;border-radius:999px;background:var(--color-accent-soft)}.range-slider::-moz-range-thumb{width:1.125rem;height:1.125rem;border-radius:50%;background:linear-gradient(180deg,#d7dce2,#bcc3cb);border:.0625rem solid #b7bec7;box-shadow:var(--shadow-thumb);cursor:pointer}.range-number{height:2.25rem;border:.0625rem solid var(--color-border-muted);border-radius:.625rem;background:var(--color-bg-muted);text-align:center;font-size:.9375rem;color:var(--color-text-main);outline:none;padding:0;box-shadow:var(--shadow-input-inset)}.range-number:focus{border-color:var(--color-accent);background:var(--color-bg-main)}.range-number::-webkit-outer-spin-button,.range-number::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.range-number[type=number]{-moz-appearance:textfield}.checkbox-field{margin-top:.25rem}.checkbox{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;color:var(--color-text-secondary)}.preview{display:grid;grid-template-rows:1fr auto;min-height:0;overflow:hidden;background:var(--color-bg-tertiary)}.preview-main{display:grid;grid-template-rows:minmax(0,1fr) auto;align-items:center;justify-items:center;padding:.625rem;min-height:0;overflow:hidden}.preview-main img{display:block;width:auto;max-width:100%;max-height:100%;object-fit:contain;border:.0625rem solid var(--color-border-image);background:var(--color-bg-main)}.preview-main .empty{padding:1.125rem;border:.0625rem dashed var(--color-border-dashed);background:var(--color-bg-main);color:var(--color-text-soft);font-size:.875rem;text-align:center}.pdf-frame{display:block;width:100%;height:100%;border:.0625rem solid var(--color-border-image);background:var(--color-bg-main);overflow:hidden}.img-preview{min-height:0;position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%}.img-preview img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.pdf-actions{display:flex;gap:.5rem;justify-content:flex-end}.pdf-actions button{height:2.25rem;padding:0 .75rem;border:.0625rem solid var(--color-border-input);border-radius:.625rem;background:var(--color-bg-main);cursor:pointer}.counter{padding-top:.625rem;color:var(--color-text-secondary);font-size:.8125rem;width:100%}.thumb-action-btn{display:inline-flex;align-items:center;justify-content:center;color:var(--color-text-icon);cursor:pointer;transition:border-color .15s ease,background-color .15s ease,color .15s ease;border:unset;padding:unset;width:unset;height:unset;background:unset}.thumb-action-btn svg{width:1rem;height:1rem;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}.thumb-action-btn:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-bg-selected);color:var(--color-accent)}.thumb-action-btn:disabled{opacity:.5;cursor:not-allowed}.thumb-inline-actions{display:flex;justify-content:space-evenly;gap:.375rem}.thumbs{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(80px,min(30%,120px));gap:.625rem;overflow-x:auto;overflow-y:hidden;align-self:end;padding:.625rem;border-top:.0625rem solid var(--color-border-light)}.thumb{display:grid;gap:.5rem;padding:.5rem;border:.0625rem solid var(--color-border-image);border-radius:.625rem;background:var(--color-bg-main);text-align:left;cursor:pointer}.thumb.active{border-color:var(--color-accent);box-shadow:0 0 0 .125rem #1f6feb26}.thumb img{width:100%;height:4rem;object-fit:contain;border:.0625rem solid var(--color-border-light);border-radius:.5rem}.thumb .thumb-name{overflow:hidden;color:var(--color-text-main);font-size:.625rem;text-overflow:ellipsis;white-space:nowrap}.thumb-pdf{display:grid;place-items:center;width:100%;height:4rem;border:.0625rem solid var(--color-border-light);border-radius:.5rem;background:var(--color-bg-accent-soft)}.thumb-pdf-badge{color:var(--color-accent);font-size:.875rem;font-weight:700;letter-spacing:.08em}.scanner-footer{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem;border-top:.0625rem solid var(--color-border-light);background:linear-gradient(180deg,var(--color-bg-main) 0%,var(--color-bg-muted) 100%)}.scanner-footer .footer-group{display:flex;gap:.75rem;align-items:center}.scanner-footer button{height:2.5rem;padding:0 1rem;border:.0625rem solid var(--color-border-strong);border-radius:.75rem;background:linear-gradient(180deg,var(--color-bg-main) 0%,var(--color-bg-soft) 100%);color:var(--color-text-button);box-shadow:var(--shadow-button);cursor:pointer;transition:background-color .15s ease,border-color .15s ease,box-shadow .15s ease,transform .15s ease}.scanner-footer button:hover:not(:disabled){border-color:var(--color-accent-soft);background:linear-gradient(180deg,var(--color-bg-main) 0%,var(--color-bg-accent-soft) 100%);color:var(--color-accent);box-shadow:var(--shadow-button-hover)}.scanner-footer button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.scanner-footer .btn.primary,.scanner-footer .primary{border-color:var(--color-accent);background:var(--color-accent);color:var(--color-accent-contrast);box-shadow:var(--shadow-button-primary)}.scanner-footer .btn.primary:hover:not(:disabled),.scanner-footer .primary:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-accent-soft);color:var(--color-accent-contrast);box-shadow:var(--shadow-button-primary)}.scanner-footer .btn.save-btn{font-weight:900}.scanner-footer .footer-group-right{justify-content:flex-end}.scanner-shell.rtl .twain-steps{direction:rtl}.scanner-shell.rtl .download-verify-container{flex-direction:row-reverse}.scanner-shell.rtl .twain-note,.scanner-shell.rtl .twain-error{text-align:right}.scanner-shell.rtl .content{grid-template-columns:1fr 20rem}.scanner-shell.rtl .panel{border-right:none;border-left:.0625rem solid var(--color-border-light)}.scanner-shell.rtl .header .scanner-row label,.scanner-shell.rtl .panel .field label,.scanner-shell.rtl .counter{text-align:right}.scanner-shell.rtl .panel .field:last-child{margin-bottom:unset}.scanner-shell.rtl .scanner-footer{justify-content:space-between}@media (max-width: 520px){.content{grid-template-columns:250px 1fr}}@media (max-width: 450px){.content{grid-template-columns:200px 1fr}.panel,.scanner-footer,.header{padding:.625rem}.range-row{gap:.25rem}}@media (max-width: 390px){.content{grid-template-columns:1fr}.img-preview img{position:unset}.scanner-footer .footer-group{gap:.375rem}.scanner-footer button{padding:.625rem;height:unset}.header .scanner-row{grid-template-columns:3.5rem 1fr}}