:root {
  color-scheme:light;
  --bg:#d8efff;
  --ink:#101c24;
  --text:#23394d;
  --muted:#52677d;
  --primary:#0866f5;
  --border:#8193a8;
  --error:#b42318;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  font-synthesis:none;
}
* {
  box-sizing:border-box;
}
[hidden] {
  display:none!important;
}
body {
  margin:0;
  padding:28px 32px 48px;
}
.brand {
  display:inline-block;
  position:relative;
  font-size:34px;
  line-height:41px;
  letter-spacing:-.03em;
  font-weight:800;
  color:var(--ink);
  margin-left:8px;
}
.brand span:before,.brand span:after {
  content:"";
  position:absolute;
  height:4px;
  background:var(--primary);
  border-radius:8px;
  width:12px;
  right:-15px;
  top:2px;
  transform:rotate(-48deg);
}
.brand span:after {
  width:10px;
  right:-22px;
  top:14px;
  transform:rotate(-12deg);
}
main {
  max-width:1080px;
  margin:0 auto;
}
.heading {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:16px;
  margin:18px 0 32px;
  min-height:84px;
}
h1 {
  font-size:30px;
  line-height:38px;
  letter-spacing:-.02em;
  color:var(--ink);
  margin:0;
  font-weight:700;
}
.clapper {
  width:84px;
  height:auto;
  flex-shrink:0;
  pointer-events:none;
}
.card-wrap {
  position:relative;
}
.cloud {
  position:absolute;
  right:24px;
  width:100px;
  top:-40px;
  pointer-events:none;
}
.card {
  position:relative;
  background:white;
  padding:40px;
  border-radius:24px;
  box-shadow:0 12px 36px rgba(35,85,120,.06);
}
nav {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,160px));
  gap:8px;
  justify-content:center;
  margin-bottom:32px;
}
button,input,textarea,select {
  font:inherit;
}
button {
  cursor:pointer;
  border:0;
  transition:background-color 140ms,color 140ms;
  min-height:44px;
}
nav button {
  height:48px;
  background:#edf6fb;
  border-radius:15px;
  color:var(--muted);
  font-weight:600;
  padding:0 10px;
}
nav button[aria-selected=true],.primary {
  background:var(--primary);
  color:#fff;
}
.primary:hover,nav button[aria-selected=true]:hover {
  background:#0757d1;
}
.primary:active {
  background:#0647ad;
}
nav button:hover {
  background:#dcebf5;
}
:focus-visible {
  outline:2px solid #0647ad;
  outline-offset:2px;
}
.primary:focus-visible {
  box-shadow:0 0 0 2px white;
}
.fields {
  display:grid;
  gap:24px;
  align-items:start;
  margin-bottom:24px;
}
.reformat-fields,.calculate-fields {
  grid-template-columns:minmax(0,1fr) 184px;
}
.round-fields {
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr) minmax(0,1fr) minmax(0,.9fr);
}
.duration-fields {
  grid-template-columns:minmax(0,1.5fr) minmax(0,1.5fr) minmax(0,.9fr);
}
.field,.fps-slot,fieldset {
  min-width:0;
}
.field>label,.label-help>label,legend,h2 {
  display:block;
  font-size:15px;
  line-height:22px;
  font-weight:600;
  color:var(--muted);
  margin:0 0 8px;
}
.label-help {
  position:relative;
  display:flex;
  align-items:center;
  height:30px;
}
.label-help>label {
  margin:0 0 8px;
}
.label-help .help-button {
  position:absolute;
  right:0;
  top:-10px;
}
input[type=text],textarea,select {
  width:100%;
  height:56px;
  border:1px solid var(--border);
  border-radius:8px;
  background:#fff;
  color:var(--ink);
  padding:10px 16px;
}
input[type=text],textarea {
  font-family:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-variant-numeric:tabular-nums;
  font-variant-ligatures:none;
  font-size:24px;
  line-height:32px;
}
.time-input {
  font-size:28px!important;
  line-height:36px!important;
}
select {
  font-size:16px;
  padding-right:8px;
}
.hint,.interpreted,.error,.help-text,.feedback {
  font-size:14px;
  line-height:20px;
  margin:8px 0 0;
  overflow-wrap:anywhere;
}
.hint,.interpreted,.help-text,.feedback {
  color:var(--muted);
}
.interpreted {
  font-variant-numeric:tabular-nums;
}
.interpreted:empty,.error:empty,.feedback:empty,#copy-status:empty {
  display:none;
}
.focus-help {
  display:none;
  margin-top:4px;
}
.field:focus-within .focus-help {
  display:block;
}
.example {
  display:none;
  margin-top:4px;
}
.field:focus-within .example,.field:has(input:placeholder-shown) .example {
  display:block;
}
.error {
  color:var(--error);
}
[aria-invalid=true] {
  border-color:var(--error)!important;
}
.help-button {
  width:44px;
  min-width:44px;
  background:transparent;
  color:var(--muted);
  font-size:14px;
  vertical-align:middle;
  border-radius:8px;
}
.help-button:hover {
  background:#edf6fb;
}
.help-text {
  margin:4px 0 8px;
}
fieldset {
  border:0;
  padding:0;
  margin:0 0 24px;
}
legend {
  padding:0;
}
.directions,.modes {
  display:flex;
  gap:32px;
  align-items:center;
  flex-wrap:wrap;
}
.directions label,.modes label,.check {
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  cursor:pointer;
  font-size:16px;
}
.direction-option {
  position:relative;
}
.direction-help {
  display:none;
  position:absolute;
  z-index:3;
  top:calc(100% + 4px);
  left:0;
  width:260px;
  padding:10px 12px;
  border:1px solid #d4dfea;
  border-radius:8px;
  background:var(--ink);
  color:white;
  box-shadow:0 8px 20px rgba(16,28,36,.18);
  font-size:14px;
  line-height:20px;
  cursor:default;
}
.direction-option:hover .direction-help,.direction-option:focus-within .direction-help {
  display:block;
}
.modes {
  gap:24px;
}
.calculate-fields fieldset {
  margin:0;
}
input[type=radio],input[type=checkbox] {
  appearance:none;
  display:inline-grid;
  place-content:center;
  flex-shrink:0;
  width:22px;
  height:22px;
  margin:0;
  border:2px solid var(--border);
  background:white;
  cursor:pointer;
}
input[type=radio] {
  border-radius:50%;
}
input[type=checkbox] {
  border-radius:5px;
}
input[type=radio]:checked {
  border-color:var(--primary);
}
input[type=radio]:checked:before {
  content:"";
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--primary);
}
input[type=checkbox]:checked {
  background:var(--primary);
  border-color:var(--primary);
}
input[type=checkbox]:checked:before {
  content:"";
  width:9px;
  height:5px;
  border:solid white;
  border-width:0 0 2px 2px;
  transform:rotate(-45deg) translateY(-1px);
}
.duration-options {
  display:flex;
  align-items:start;
  gap:24px;
  margin-bottom:24px;
}
.submit-row {
  display:flex;
  align-items:center;
  gap:24px;
  margin:24px 0;
}
.submit-row>.primary {
  flex:1;
}
.primary {
  height:56px;
  border-radius:14px;
  font-size:18px;
  font-weight:600;
  padding:0 20px;
}
.submit-row .check {
  font-size:14px;
  color:var(--muted);
}
button:disabled,input:disabled {
  background:#e8eef3;
  color:#526373;
  cursor:default;
}
.result {
  display:grid;
  grid-template-columns:minmax(0,1fr) 144px 224px;
  gap:0 24px;
  align-items:center;
  background:#ddf3fd;
  border-radius:16px;
  padding:24px 28px;
}
.result-main {
  min-width:0;
}
.result-scroll {
  overflow-x:auto;
  max-width:100%;
}
#result {
  display:block;
  white-space:pre;
  font:600 48px/58px ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-variant-numeric:tabular-nums;
  font-variant-ligatures:none;
  color:var(--ink);
  width:max-content;
  user-select:text;
}
.batch-result #result {
  font-size:30px;
  line-height:42px;
}
.batch-result .result-scroll {
  max-height:336px;
  overflow:auto;
}
.batch-input {
  height:220px;
}
#copy {
  align-self:center;
}
#copy-status {
  grid-column:1/-1;
  font-size:14px;
  line-height:20px;
  margin:12px 0 0;
  color:var(--muted);
}
.result.long-result {
  grid-template-columns:minmax(0,1fr) 224px;
}
.result.long-result .result-main {
  grid-column:1/-1;
  margin-bottom:16px;
}
.result.long-result #copy {
  width:144px;
}
.output-field {
  min-width:0;
}
textarea {
  height:180px;
  min-height:120px;
  resize:vertical;
  font-size:22px;
  line-height:30px;
  padding:16px;
}
#expression {
  font-size:24px;
  line-height:32px;
}
#items-preview {
  margin-top:16px;
  border-top:1px solid #d4dfea;
  padding-top:16px;
}
#preview-scroll {
  max-height:240px;
  overflow:auto;
}
table {
  border-collapse:collapse;
  width:100%;
  table-layout:fixed;
  font-size:14px;
}
th {
  text-align:left;
  font-weight:500;
  color:var(--muted);
  padding:4px 8px 8px;
}
th:first-child {
  width:64px;
}
th:nth-child(2) {
  width:100px;
}
td {
  border-top:1px solid #d4dfea;
  padding:8px;
  font:16px/24px ui-monospace,monospace;
  vertical-align:top;
  overflow-wrap:anywhere;
}
td .cell-scroll {
  display:block;
  max-width:100%;
  overflow:auto;
  white-space:nowrap;
}
.text-button,.error-link {
  background:transparent;
  border-radius:6px;
  color:#0757d1;
  text-align:left;
  padding:8px;
  min-height:44px;
}
.error-link {
  color:var(--error);
  display:block;
  max-width:100%;
  overflow-wrap:anywhere;
}
.text-button:hover,.error-link:hover {
  background:#edf6fb;
}
#calc-errors {
  margin-top:8px;
}
noscript {
  display:block;
  text-align:center;
  padding:24px;
}
@media(min-width:1100px) {
  .round-fields .time-input {
    font-size:24px!important;
    padding-left:12px;
    padding-right:10px;
  }
}
@media(max-width:1099px) {
  body {
    padding:28px 24px 40px;
  }
  .card {
    padding:24px;
  }
  .round-fields {
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .duration-fields {
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .duration-fields .fps-slot {
    width:184px;
  }
  .result,.result.long-result {
    grid-template-columns:minmax(0,1fr) 224px;
  }
  .result-main {
    grid-column:1/-1;
    margin-bottom:16px;
  }
  #copy {
    width:144px;
  }
  .result {
    padding:24px;
  }
  .brand {
    margin-left:0;
  }
}
@media(max-width:699px) {
  body {
    padding:20px 16px 32px;
  }
  .brand {
    font-size:24px;
    line-height:30px;
  }
  .heading {
    gap:12px;
    margin:24px 0 36px;
    min-height:56px;
  }
  .heading h1 {
    font-size:22px;
    line-height:28px;
    max-width:280px;
  }
  .clapper {
    width:52px;
  }
  .cloud {
    width:64px;
    right:20px;
    top:-27px;
  }
  .card {
    padding:20px;
  }
  nav {
    grid-template-columns:repeat(2,minmax(0,1fr));
    margin-bottom:24px;
  }
  nav button {
    height:46px;
    font-size:15px;
  }
  .fields,.reformat-fields,.round-fields,.duration-fields,.calculate-fields {
    grid-template-columns:minmax(0,1fr);
    gap:16px;
  }
  .duration-fields .fps-slot {
    width:auto;
  }
  input[type=text],.time-input {
    font-size:22px!important;
    line-height:30px!important;
  }
  .directions {
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:0 16px;
  }
  .direction-help {
    width:min(240px,calc(100vw - 72px));
  }
  .direction-option:nth-child(even) .direction-help {
    right:0;
    left:auto;
  }
  .duration-options {
    display:block;
  }
  .duration-options>div+div {
    margin-top:12px;
  }
  .modes {
    gap:8px 20px;
  }
  .submit-row {
    flex-direction:column;
    align-items:stretch;
    gap:8px;
  }
  .submit-row>.primary {
    flex:auto;
    width:100%;
  }
  .result,.result.long-result {
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:16px;
    padding:20px;
  }
  .result-main,.result.long-result .result-main {
    margin-bottom:0;
  }
  #result {
    font-size:clamp(24px,7vw,36px);
    line-height:1.25;
  }
  .output-field {
    order:2;
  }
  #copy,.result.long-result #copy {
    order:3;
    width:100%;
  }
  #copy-status {
    order:4;
    margin:0;
  }
  #expression,textarea {
    font-size:18px!important;
    line-height:28px!important;
  }
  table,tbody,tr,td {
    display:block;
  }
  thead {
    display:none;
  }
  tr {
    padding:8px 0;
    border-top:1px solid #d4dfea;
  }
  td {
    border:0;
    padding:2px 0;
  }
  td:before {
    content:attr(data-label) ": ";
    font:500 13px/20px system-ui;
    color:var(--muted);
  }
  td .cell-scroll {
    display:block;
  }
  td:nth-child(1),td:nth-child(2) {
    display:inline-block;
    margin-right:12px;
  }
  .result h2 {
    margin-bottom:8px;
  }
}
@media(prefers-reduced-motion:reduce) {
  * {
    transition:none!important;
  }
}

.editing-hint:empty { display: none; }

.neutral-error { color: var(--muted); }