.convert-workbench { width: min(100%, 1680px); margin: 0 auto; padding: 24px; color: #172238; }
.convert-workbench [hidden] { display: none !important; }
.convert-workbench-intro { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 20px; }
.convert-workbench h1, .convert-workbench h2 { margin: 0; font-family: var(--font-heading); }
.convert-workbench h1 { font-size: clamp(1.35rem, 2vw, 1.8rem); }
.convert-workbench h2 { font-size: 1.2rem; }
.convert-workbench p { margin: 6px 0 0; line-height: 1.6; }
.convert-workbench-intro p, .convert-viewer-head p { color: #536579; }
.convert-workbench-grid { display: grid; grid-template-columns: minmax(290px, 350px) minmax(0, 1fr); gap: 20px; align-items: start; }
.convert-settings, .convert-viewer { min-width: 0; background: #fff; border: 1px solid #d7e2ee; border-radius: 8px; padding: 20px; }
.convert-settings form, .convert-option-group { display: grid; gap: 16px; }
.convert-settings label { display: grid; gap: 7px; font-size: .92rem; font-weight: 700; min-width: 0; }
.convert-workbench select, .convert-workbench input[type="number"] { width: 100%; min-width: 0; min-height: 44px; padding: 9px 10px; border: 1px solid #cbd7e5; border-radius: 8px; background: #fff; color: #172238; font: inherit; }
.convert-workbench input[type="range"] { width: 100%; accent-color: #256fd9; }
.convert-workbench input[type="color"] { width: 100%; height: 42px; border: 1px solid #cbd7e5; border-radius: 8px; background: #fff; }
.convert-workbench :focus-visible { outline: 3px solid #256fd9; outline-offset: 3px; }
.convert-field-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.convert-settings .convert-drop { position: relative; border: 1.5px dashed #8badde; border-radius: 8px; padding: 20px 12px; background: #f4f8ff; text-align: center; cursor: pointer; }
.convert-drop.is-dragover { background: #e7f0ff; border-color: #256fd9; }
.convert-drop input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.convert-drop:focus-within { outline: 3px solid #256fd9; outline-offset: 3px; }
.convert-drop strong { overflow-wrap: anywhere; }
.convert-drop span:last-child { font-size: .79rem; font-weight: 500; color: #536579; }
.convert-drop-symbol { color: #256fd9; font: 700 28px/1 system-ui; }
.convert-source-meta { color: #536579; font-size: .83rem; line-height: 1.6; overflow-wrap: anywhere; }
.convert-setting-note, .convert-quota-note, .convert-viewer-note { font-size: .8rem; color: #536579; }
.convert-settings .convert-checkbox { display: flex; align-items: flex-start; gap: 9px; line-height: 1.5; font-size: .84rem; }
.convert-checkbox input { width: 17px; height: 17px; margin-top: 2px; flex-shrink: 0; accent-color: #256fd9; }
.convert-preview-consent { color: #84520b; }
.convert-run-row { display: flex; gap: 8px; }
.convert-run-row .convert-primary { flex: 1; }
.convert-workbench .convert-primary, .convert-workbench .convert-secondary { min-height: 44px; border-radius: 8px; padding: 10px 16px; font-family: inherit; font-size: .91rem; line-height: 1.35; font-weight: 700; cursor: pointer; }
.convert-workbench .convert-primary { border: 1px solid #256fd9; background: #256fd9; color: #fff; box-shadow: none; }
.convert-workbench .convert-secondary { border: 1px solid #cbd7e5; background: #fff; color: #24538f; box-shadow: none; }
.convert-workbench button:disabled { opacity: .5; cursor: default; }
.convert-viewer { display: grid; gap: 16px; }
.convert-viewer-head { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.convert-viewer-head p { font-size: .85rem; }
.convert-zoom { flex-shrink: 0; display: grid; gap: 5px; font-size: .75rem; color: #536579; }
.convert-zoom select { min-height: 38px; padding: 6px 8px; font-size: .8rem; }
.convert-viewport { display: flex; align-items: flex-start; justify-content: flex-start; min-height: 420px; max-height: 68vh; overflow: auto; padding: 20px; border: 1px solid #d7e2ee; border-radius: 8px; background-color: #f8fafc; background-image: conic-gradient(#e8edf3 25%, transparent 0 50%, #e8edf3 0 75%, transparent 0); background-size: 20px 20px; }
.convert-viewport canvas { flex-shrink: 0; display: block; margin: auto; max-width: none; box-shadow: 0 3px 16px #17223820; }
.convert-start { margin: auto; text-align: center; max-width: 360px; color: #536579; }
.convert-start > span { display: block; font-size: 58px; color: #8badde; margin-bottom: 10px; }
.convert-start strong { color: #354c65; }
.convert-start p { font-size: .85rem; }
.convert-notice { margin: 0 !important; padding: 10px 12px; background: #fff8e8; color: #7b4d08; border-left: 3px solid #dc9b2c; border-radius: 4px; font-size: .86rem; overflow-wrap: anywhere; }
.convert-notice.is-error { background: #fff0f0; color: #a52b2b; border-color: #c94b4b; }
.convert-result-summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.convert-result-summary p { font-size: .82rem; color: #536579; overflow-wrap: anywhere; }
.convert-result-summary > span { flex-shrink: 0; padding: 5px 9px; border-radius: 5px; background: #e7f5ed; color: #237144; font-size: .76rem; font-weight: 700; }
.convert-download-row { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 10px; }
.convert-help { margin-bottom: 20px; padding: 16px 20px; border-left: 3px solid #256fd9; background: #fff; border-radius: 8px; color: #354c65; font-size: .88rem; }
.convert-help p:first-child { margin-top: 0; }
@media (max-width: 900px) { .convert-workbench { padding: 18px 14px; } .convert-workbench-grid { grid-template-columns: minmax(250px, 300px) minmax(0, 1fr); gap: 14px; } .convert-settings, .convert-viewer { padding: 15px; } .convert-viewer-head { flex-wrap: wrap; } .convert-viewport { padding: 12px; min-height: 340px; } }
@media (max-width: 680px) { .convert-workbench-grid { grid-template-columns: 1fr; } .convert-workbench-intro { align-items: flex-start; flex-direction: column; gap: 12px; } .convert-workbench-intro p { font-size: .86rem; } .convert-viewport { min-height: 260px; max-height: 55vh; } .convert-settings form { gap: 14px; } .convert-viewer-head { gap: 10px; } .convert-zoom { width: 100%; grid-template-columns: auto minmax(0, 160px); align-items: center; } .convert-download-row { gap: 6px; grid-template-columns: 1.1fr 1fr 1fr; } .convert-workbench .convert-download-row button { padding: 9px 5px; font-size: .8rem; } }