/*! CSS Portal — Data URI Generator */
.du { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.du [hidden] { display: none !important; }
.du .gt-card__head { flex-wrap: wrap; gap: 8px 14px; }
.du .gt-card__head h2 { margin: 0; }
.du-check { background-color: #fff; background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%, transparent 75%, #e2e8f0 75%), linear-gradient(45deg, #e2e8f0 25%, transparent 25%, transparent 75%, #e2e8f0 75%); background-size: 16px 16px; background-position: 0 0, 8px 8px; }

/* drop zone + settings */
.du-in { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; padding: 16px; }
@media (max-width: 860px) { .du-in { grid-template-columns: minmax(0, 1fr); } }
.du-drop { display: grid; place-items: center; gap: 6px; min-height: 190px; margin: 0; padding: 24px 16px; text-align: center; color: var(--ct-text); background: var(--ct-surface); border: 2px dashed var(--ct-border-strong); border-radius: 14px; cursor: pointer; transition: border-color .15s, background .15s; }
.du-drop:hover, .du-drop.is-over, .du-drop:focus-within { border-color: var(--ct-accent); background: var(--ct-accent-soft); }
.du-drop i { font-size: 40px; color: var(--ct-accent); }
.du-drop strong { font-size: 16px; }
.du-drop strong span { color: var(--ct-accent); text-decoration: underline; }
.du-drop small { font-size: 13px; color: var(--ct-muted); }
.du-settings { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; align-content: start; }
.du-field { display: grid; gap: 6px; margin: 0; min-width: 0; font-size: 13px; font-weight: 600; color: var(--ct-text); }
.du-field--wide { grid-column: 1 / -1; }
.du-field > span { display: flex; justify-content: space-between; padding: 0; }
.du-field output { font: 600 12.5px/1.4 var(--ct-mono); color: var(--ct-accent); }
.du-field small { font-weight: 400; color: var(--ct-muted); }
.du select, .du input[type="number"] { box-sizing: border-box; width: 100%; height: 36px; margin: 0; padding: 0 10px; font: inherit; font-size: 13.5px; font-weight: 500; color: var(--ct-text); background: var(--ct-bg); border: 1px solid var(--ct-border); border-radius: 8px; outline: none; }
.du select:focus-visible, .du input[type="number"]:focus { border-color: var(--ct-accent); box-shadow: 0 0 0 3px var(--ct-accent-soft); }
.du input[type="range"] { width: 100%; margin: 0; accent-color: var(--ct-accent); }
.du-msg { margin: 0 16px 16px; padding: 10px 12px; font-size: 13.5px; color: var(--ct-err); background: color-mix(in srgb, var(--ct-err) 10%, transparent); border-radius: 8px; }

/* results */
.du-listhead { display: flex; justify-content: flex-end; }
.du-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.du-item { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 16px; padding: 14px; }
@media (max-width: 640px) { .du-item { grid-template-columns: minmax(0, 1fr); } }
.du-thumb { display: grid; place-items: center; min-height: 120px; max-height: 220px; overflow: hidden; border-radius: 10px; box-shadow: inset 0 0 0 1px var(--ct-border); }
.du-thumb img { display: block; max-width: 100%; max-height: 220px; object-fit: contain; }
.du-thumb i { font-size: 44px; color: var(--ct-muted); }
.du-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; min-width: 0; }
.du-head { display: flex; align-items: center; gap: 8px; }
.du .du-head h3 { flex: 1; min-width: 0; margin: 0; overflow: hidden; font-size: 15px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; color: var(--ct-text); }
.du .du-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.du .du-meta li { margin: 0; padding: 2px 9px; font-size: 12px; font-weight: 500; line-height: 1.6; color: var(--ct-muted); background: var(--ct-surface-2); border-radius: 999px; }
.du .du-meta li.is-warn { color: var(--ct-warn); background: color-mix(in srgb, var(--ct-warn) 12%, transparent); }
.du .du-note { display: flex; gap: 6px; margin: 0; font-size: 12.5px; line-height: 1.5; color: var(--ct-muted); }
.du .du-note i { flex: none; margin-top: 2px; }
.du .du-note.is-warn { color: var(--ct-warn); }
.du .du-note.is-error { color: var(--ct-err); font-size: 13.5px; }
.du-tabs { display: flex; flex-wrap: wrap; gap: 2px; padding: 3px; background: var(--ct-surface-2); border-radius: 9px; justify-self: start; max-width: 100%; }
.du .du-tab { height: 28px; margin: 0; padding: 0 10px; font: inherit; font-size: 12.5px; font-weight: 600; color: var(--ct-muted); background: none; border: 0; border-radius: 7px; cursor: pointer; }
.du .du-tab.is-active { color: var(--ct-text); background: var(--ct-bg); box-shadow: 0 1px 2px rgba(15, 23, 42, .1); }
.du .du-out { box-sizing: border-box; display: block; width: 100%; height: 96px; margin: 0; padding: 8px 10px; font: 12px/1.5 var(--ct-mono); color: var(--ct-text); word-break: break-all; white-space: pre-wrap; background: var(--ct-surface); border: 1px solid var(--ct-border); border-radius: 8px; outline: none; resize: vertical; letter-spacing: normal; }
.du .du-out:focus { border-color: var(--ct-accent); }
.du-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.du-len { font-size: 12px; color: var(--ct-muted); }
.du-actions .ct-tool { margin-left: auto; }
.du-loading { margin: 0; padding: 16px; font-size: 14px; color: var(--ct-muted); }
.du-loading.is-error { color: var(--ct-err); }

/* decoder */
.du-dec { display: grid; gap: 10px; padding: 16px; }
.du .du-dec textarea { box-sizing: border-box; width: 100%; height: 90px; margin: 0; padding: 8px 10px; font: 12px/1.5 var(--ct-mono); color: var(--ct-text); word-break: break-all; background: var(--ct-bg); border: 1px solid var(--ct-border); border-radius: 8px; outline: none; resize: vertical; }
.du .du-dec textarea:focus { border-color: var(--ct-accent); box-shadow: 0 0 0 3px var(--ct-accent-soft); }
.du-decoded { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 16px; align-items: start; }
.du-decoded > div:last-child { display: grid; gap: 10px; justify-items: start; }
@media (max-width: 560px) { .du-decoded { grid-template-columns: minmax(0, 1fr); } }