:root {
  color-scheme: dark;
  --bg: #020c08;
  --panel: #06150e;
  --panel-2: #091c13;
  --green: #6df58a;
  --mint: #c8f7d5;
  --cyan: #69e6d6;
  --text: #d8eee0;
  --muted: #83a790;
  --faint: #52705d;
  --line: rgba(109, 245, 138, .2);
  --line-strong: rgba(109, 245, 138, .52);
  --danger: #ff8b91;
  --sidebar: 340px;
  --bayer: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8' shape-rendering='crispEdges'%3E%3Cpath d='M1 1h1v1H1zM5 1h1v1H5zM3 3h1v1H3zM7 3h1v1H7zM1 5h1v1H1zM5 5h1v1H5zM3 7h1v1H3zM7 7h1v1H7z' fill='%236df58a' fill-opacity='.18'/%3E%3C/svg%3E");
  font-family: "JetBrains Mono", "CaskaydiaCove Nerd Font", "DejaVu Sans Mono", monospace;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body { min-height: 100vh; margin: 0; color: var(--text); background: radial-gradient(circle at 82% 12%, rgba(36, 117, 68, .12), transparent 36rem), var(--bg); }
button, input { font: inherit; }
button, a, label { -webkit-tap-highlight-color: transparent; }
button { appearance: none; border: 0; }
a { color: inherit; text-decoration: none; }
.noise { position: fixed; inset: 0; z-index: -1; pointer-events: none; background-image: var(--bayer); opacity: .56; }

.topbar { position: sticky; top: 0; z-index: 20; height: 76px; padding: 0 clamp(18px, 4vw, 64px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background-color: rgba(2, 12, 8, .97); background-image: var(--bayer); }
.brand { font-weight: 850; letter-spacing: -.03em; }
.brand span { color: var(--green); margin-right: 8px; }
.service-state { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; }
.service-state span { width: 8px; height: 8px; border-radius: 50%; background: #e4b95c; }
.service-state.is-online span { background: var(--green); box-shadow: 0 0 0 4px rgba(109,245,138,.08); }
.service-state.is-offline span { background: var(--danger); }

main { width: min(1440px, 100%); margin: 0 auto; padding: 0 clamp(18px, 4vw, 64px) 54px; }
.hero { padding: clamp(54px, 8vw, 112px) 0 clamp(42px, 6vw, 78px); }
.eyebrow { margin: 0 0 12px; color: var(--green); font-size: 11px; font-weight: 850; letter-spacing: .18em; }
.hero h1 { max-width: 1020px; margin: 0; font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: clamp(48px, 7.7vw, 116px); line-height: .91; letter-spacing: -.075em; }
.hero h1 em { color: var(--muted); font-style: normal; }
.intro { max-width: 680px; margin: 34px 0 0; color: var(--muted); font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: clamp(16px, 1.8vw, 20px); line-height: 1.55; }

.workspace { display: grid; grid-template-columns: var(--sidebar) minmax(0, 1fr); border: 1px solid var(--line-strong); background: rgba(2, 13, 8, .82); }
.operations { min-width: 0; border-right: 1px solid var(--line); background-color: rgba(4, 19, 12, .96); background-image: var(--bayer); }
.section-heading { min-height: 76px; padding: 19px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.section-heading > div { display: flex; align-items: baseline; gap: 10px; }
.section-heading span { color: var(--green); font-size: 10px; }
.section-heading h2 { margin: 0; font-size: 14px; }
.section-heading > b { color: var(--faint); font-size: 10px; font-weight: 600; }
.tool-list { padding: 8px; display: grid; gap: 3px; }
.tool-button { width: 100%; min-height: 63px; padding: 10px 12px; display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; gap: 8px; align-items: center; border: 1px solid transparent; color: var(--muted); background: transparent; text-align: left; cursor: pointer; }
.tool-button:hover { color: var(--text); border-color: var(--line); background: rgba(109,245,138,.045); }
.tool-button.is-active { color: var(--text); border-color: var(--line-strong); background: rgba(109,245,138,.105); }
.tool-button:focus-visible, button:focus-visible, label:has(input:focus-visible) { outline: 2px solid var(--cyan); outline-offset: 2px; }
.tool-icon { color: var(--green); font-size: 18px; font-weight: 800; text-align: center; }
.tool-copy { min-width: 0; }
.tool-copy strong, .tool-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool-copy strong { color: inherit; font-size: 12px; }
.tool-copy span { margin-top: 4px; color: var(--faint); font-size: 9px; }
.tool-arrow { color: var(--faint); }
.tool-button.is-active .tool-arrow { color: var(--green); }

.converter-panel { min-width: 0; padding: clamp(22px, 4vw, 54px); }
.selected-tool { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.selected-tool h2 { margin: 0; font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: clamp(28px, 4vw, 54px); letter-spacing: -.055em; }
.selected-tool p:last-child { margin: 10px 0 0; color: var(--muted); font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
.selected-code { padding: 8px 10px; border: 1px solid var(--line); color: var(--cyan); background: rgba(105,230,214,.04); font-size: 10px; white-space: nowrap; }

.tool-settings { margin: -4px 0 24px; padding: 15px 17px; display: grid; grid-template-columns: minmax(180px, .45fr) minmax(220px, 1fr); gap: 20px; align-items: center; border: 1px solid var(--line); background: rgba(109,245,138,.045); }
.tool-settings > div span, .tool-settings > div strong { display: block; }
.tool-settings > div span { color: var(--faint); font-size: 9px; letter-spacing: .12em; }
.tool-settings > div strong { margin-top: 5px; font-size: 12px; }
.tool-settings > div b { color: var(--green); }
.tool-settings input[type="range"] { width: 100%; accent-color: var(--green); cursor: pointer; }

.dropzone { min-height: clamp(270px, 32vw, 430px); padding: 34px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px dashed var(--line-strong); background-color: rgba(6, 24, 15, .76); background-image: var(--bayer); cursor: pointer; text-align: center; transition: border-color .15s ease, background-color .15s ease; }
.dropzone:hover, .dropzone.is-dragging { border-color: var(--green); background-color: rgba(10, 39, 23, .88); }
.dropzone input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.drop-icon { width: 62px; height: 62px; margin-bottom: 22px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--green); font-size: 30px; }
.dropzone > strong { font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: clamp(23px, 3vw, 38px); letter-spacing: -.04em; }
.dropzone > span:not(.drop-icon) { margin-top: 10px; color: var(--muted); font-size: 11px; }
.chosen-file { max-width: 100%; margin-top: 22px; padding: 12px 15px; border: 1px solid var(--line); background: rgba(2,12,8,.74); }
.chosen-file b, .chosen-file span { display: block; max-width: min(500px, 70vw); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chosen-file b { color: var(--mint); font-size: 12px; }
.chosen-file span { margin-top: 4px; color: var(--faint); font-size: 9px; }

.convert-row { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.convert-row p { margin: 0; color: var(--faint); font-size: 10px; }
.convert-button { min-width: 220px; min-height: 48px; padding: 0 16px 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #001007; background: var(--green); font-weight: 850; cursor: pointer; }
.convert-button:hover:not(:disabled) { background: #9affae; }
.convert-button:disabled { color: var(--faint); background: #10281a; cursor: not-allowed; }

.progress { padding: 18px 0 24px; }
.progress > div:first-child { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; }
.progress-track { height: 4px; margin-top: 10px; background: #10261a; overflow: hidden; }
.progress-track i { display: block; width: 0; height: 100%; background: var(--green); transition: width .2s ease; }
.results { margin-top: 18px; border: 1px solid var(--line); }
.results-heading button { color: var(--muted); background: transparent; font-size: 10px; cursor: pointer; }
.results-heading button:hover { color: var(--green); }
.result-list { display: grid; }
.result-row { min-width: 0; padding: 14px 16px; display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 12px; border-top: 1px solid var(--line); }
.result-row:first-child { border-top: 0; }
.result-name { min-width: 0; }
.result-name strong, .result-name span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-name strong { font-size: 11px; }
.result-name span { margin-top: 4px; color: var(--faint); font-size: 9px; }
.result-download, .result-delete { min-height: 36px; padding: 0 12px; display: grid; place-items: center; border: 1px solid var(--line); color: var(--mint); background: transparent; font-size: 10px; cursor: pointer; }
.result-download:hover { border-color: var(--green); color: var(--green); }
.result-delete:hover { border-color: rgba(255,139,145,.5); color: var(--danger); }
.empty-results { padding: 26px; color: var(--muted); text-align: center; font-size: 11px; }

.webdav-card { margin-top: clamp(52px, 8vw, 108px); padding: clamp(24px, 5vw, 62px); display: grid; grid-template-columns: minmax(0, .9fr) minmax(380px, 1.1fr); gap: clamp(28px, 6vw, 88px); border: 1px solid var(--line-strong); background-color: rgba(5, 23, 14, .94); background-image: var(--bayer); }
.webdav-copy h2 { max-width: 600px; margin: 0; font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: clamp(30px, 4vw, 56px); line-height: 1; letter-spacing: -.06em; }
.webdav-copy > p:last-child { max-width: 610px; margin: 24px 0 0; color: var(--muted); font-family: Inter, ui-sans-serif, system-ui, sans-serif; line-height: 1.6; }
.webdav-copy code { color: var(--cyan); font-family: inherit; }
.address-stack { align-self: center; display: grid; gap: 10px; }
.address-box { min-width: 0; padding: 14px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 9px 14px; border: 1px solid var(--line-strong); background: rgba(1, 12, 7, .9); }
.address-box > span { grid-column: 1 / -1; color: var(--faint); font-size: 9px; text-transform: uppercase; letter-spacing: .12em; }
.address-box code { min-width: 0; overflow: hidden; color: var(--cyan); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.address-box button { min-height: 36px; padding: 0 13px; border: 1px solid var(--line); color: var(--green); background: rgba(109,245,138,.06); cursor: pointer; font-size: 10px; }
.address-box button:hover { border-color: var(--green); }
.address-box.secondary { opacity: .78; }

footer { padding: 25px 0 0; display: flex; justify-content: space-between; gap: 20px; color: var(--faint); font-size: 9px; }
footer a:hover { color: var(--green); }
.toast { position: fixed; right: 18px; bottom: 18px; z-index: 50; max-width: min(420px, calc(100vw - 36px)); padding: 13px 16px; border: 1px solid var(--line-strong); color: var(--mint); background-color: #06160e; background-image: var(--bayer); font-size: 11px; opacity: 0; transform: translateY(10px); pointer-events: none; transition: opacity .15s ease, transform .15s ease; }
.toast.is-visible { opacity: 1; transform: none; }
.toast.is-error { border-color: rgba(255,139,145,.55); color: var(--danger); }

[hidden] { display: none !important; }
::selection { color: #001007; background: var(--green); }

@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .operations { border-right: 0; border-bottom: 1px solid var(--line); }
  .tool-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .webdav-card { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .topbar { height: 64px; padding: 0 14px; }
  .service-state b { display: none; }
  main { padding-inline: 12px; }
  .hero { padding-top: 54px; }
  .hero h1 { font-size: clamp(43px, 15vw, 68px); }
  .intro { margin-top: 24px; }
  .tool-list { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .tool-list::-webkit-scrollbar { display: none; }
  .tool-button { flex: 0 0 228px; scroll-snap-align: start; }
  .converter-panel { padding: 20px 14px; }
  .selected-tool { display: block; }
  .selected-code { display: inline-block; margin-top: 14px; }
  .tool-settings { grid-template-columns: 1fr; }
  .dropzone { min-height: 300px; padding: 24px 16px; }
  .convert-row { padding: 18px 0; display: grid; }
  .convert-button { width: 100%; min-width: 0; }
  .result-row { grid-template-columns: minmax(0, 1fr) auto; }
  .result-delete { grid-column: 1 / -1; }
  .webdav-card { padding: 26px 16px; }
  .address-box { grid-template-columns: 1fr; }
  .address-box button { width: 100%; }
  footer { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

.setting-preview { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0 0 20px; }
.setting-preview figure { margin: 0; min-width: 0; }
.setting-preview figcaption { font-size: 12px; margin-bottom: 7px; }
.setting-preview img { display: block; width: 100%; aspect-ratio: 1600 / 1287; object-fit: contain; border-radius: 8px; background: #fff; image-rendering: auto; }
.setting-preview p { grid-column: 1 / -1; font-size: 12px; line-height: 1.5; margin: 0; opacity: .75; }
.tool-settings label { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.tool-settings select { padding: 8px; border-radius: 6px; }
[hidden] { display: none !important; }
@media (max-width: 480px) { .setting-preview { grid-template-columns: 1fr; } }

.setting-preview a { display: block; cursor: zoom-in; }
.tool-settings { flex-wrap: wrap; }