.pg-main { padding-bottom: 32px; }
.pg-main > h1 { text-align: center; font-size: clamp(2rem,4vw,2.8rem); margin: 0 0 10px; }
.pg-main > .pg-intro { text-align: center; max-width: 680px; margin: 0 auto 18px; color: inherit; opacity: .82; }
.pg-tool { --pg-accent: #167b91; --pg-border: #dce5eb; color: #243448; min-width: 0; }
.pg-tool * { box-sizing: border-box; }
.pg-settings, .pg-results { border: 1px solid var(--pg-border); border-radius: 16px; background: #fff; padding: 20px 24px; box-shadow: 0 8px 28px #203b5b06; min-width: 0; }
.pg-settings { background: linear-gradient(135deg,#f1f8f9,#fafbfe); }
.pg-tool .pg-settings h2 { color: #243448; font-size: 1.25rem; margin: 0 0 12px; }
.pg-tool fieldset { margin: 0 0 14px; border: 0; padding: 0; min-width: 0; }
.pg-tool legend { font-weight: 650; margin-bottom: 8px; }
.pg-types { display: flex; flex-wrap: wrap; gap: 8px; }
.pg-types label { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border: 1px solid var(--pg-border); background: white; border-radius: 9px; cursor: pointer; min-height: 44px; font-size: .9rem; }
.pg-tool input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--pg-accent); margin: 0; flex-shrink: 0; }
.pg-control-grid { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 24px; margin-bottom: 14px; }
.pg-symbol-group, .pg-difficulty-group { min-width: 0; }
.pg-symbol-label { display: block; font-weight: 650; margin-bottom: 8px; }
.pg-symbol-controls { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.pg-tool .pg-symbols { font-family: ui-monospace,Menlo,monospace; flex: 1 1 100%; min-width: 0; width: 100%; padding: 9px 10px; border: 1px solid #aabfc9; border-radius: 8px; background: white; font-size: 16px; min-height: 44px; }
.pg-difficulty-header { display: flex; justify-content: space-between; align-items: center; font-weight: 650; min-height: 30px; }
.pg-difficulty-value { background: #deedf0; border-radius: 7px; padding: 2px 10px; min-width: 40px; text-align: center; }
.pg-tool input[type=range] { width: 100%; accent-color: var(--pg-accent); height: 28px; margin: 6px 0 0; cursor: pointer; padding: 0; }
.pg-difficulty-ticks { display: grid; grid-template-columns: repeat(10,minmax(0,1fr)); font-size: .72rem; color: #536478; line-height: 1.4; padding-inline: 8px; }
.pg-difficulty-ticks span { grid-row: 1; text-align: center; white-space: nowrap; }
.pg-difficulty-ticks span:first-child { grid-column: 1; text-align: left; }
.pg-difficulty-ticks span:nth-child(2) { grid-column: 2 / 4; }
.pg-difficulty-ticks span:nth-child(3) { grid-column: 4 / 6; }
.pg-difficulty-ticks span:nth-child(4) { grid-column: 6 / 8; }
.pg-difficulty-ticks span:nth-child(5) { grid-column: 8 / 10; }
.pg-difficulty-ticks span:last-child { grid-column: 10; text-align: right; }
.pg-rules { font-size: .8rem; line-height: 1.55; color: #536478; }
.pg-tool .pg-rules { margin: 6px 0 0; min-height: 0; }
.pg-tool button { font: inherit; border: 1px solid #c3d3dd; border-radius: 8px; background: #fff; color: #24425c; min-height: 44px; padding: 8px 12px; cursor: pointer; line-height: 1.3; white-space: nowrap; }
.pg-tool button:hover { background: #eaf4f6; }
.pg-tool button:disabled { opacity: .5; cursor: not-allowed; }
.pg-tool .pg-generate { background: #176f83; color: white; border-color: #176f83; width: 100%; font-weight: 650; padding: 11px; }
.pg-tool .pg-generate:hover { background: #125a6b; }
.pg-tool .pg-status { color: #186a51; margin: 10px 0 0; line-height: 1.5; font-size: .85rem; }
.pg-tool .pg-status:empty { display: none; }
.pg-status.pg-error { color: #a42e38; }
.pg-results { margin-bottom: 14px; }
.pg-tool .pg-generate { margin-bottom: 20px; }
.pg-results > .pg-generate { margin-bottom: 18px; }
.pg-tool .pg-settings > .pg-generate { margin-bottom: 14px; }
.pg-settings .pg-control-grid { margin-bottom: 0; }
.pg-columns { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1.5fr) minmax(0,1.8fr) minmax(0,2.5fr); gap: 16px 20px; }
.pg-row { display: grid; grid-template-rows: subgrid; grid-row: span 3; row-gap: 0; min-width: 0; }
.pg-row-title { position: relative; min-height: 0; margin: 0 0 18px; display: flex; align-items: center; align-content: center; flex-wrap: wrap; gap: 4px; font-weight: 650; font-size: .95rem; }
.pg-title-text { display: inline-flex; flex-wrap: nowrap; align-items: baseline; gap: 0 4px; line-height: 1.5; min-width: 0; }
.pg-title-text > span { white-space: nowrap; }
.pg-recommend-mobile { display: none; }
.pg-tool[lang="en"] .pg-title-text { font-size: 15px; }
.pg-tool[lang="en"] .pg-row-title small { font-size: 12px; }
.pg-row-title small { font-size: .7rem; font-weight: 400; color: #64748b; line-height: 1.5; margin: 0; }
.pg-row[data-manual] .pg-row-title { align-items: center; align-content: center; flex-wrap: nowrap; gap: 8px; }
.pg-row[data-manual] .pg-row-title > div { display: flex; align-items: center; gap: 8px; }
.pg-items { display: grid; gap: 10px; min-width: 0; }
.pg-result { position: relative; min-width: 0; }
.pg-password-line { min-width: 0; position: relative; }
.pg-tool .pg-password { display: block; width: 100%; min-width: 0; font: 16px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; letter-spacing: .02em; color: #193e53; border: 1px solid #c9dce4; border-radius: 8px; background: #f6fafc; padding: 9px 44px 9px 10px; min-height: 44px; cursor: pointer; white-space: nowrap; overflow-x: auto; text-overflow: clip; }
.pg-column-meta { padding-block: 10px 6px; display: flex; flex-wrap: nowrap; align-items: center; align-content: flex-start; gap: 0 8px; font-size: .7rem; line-height: 1.5; overflow-wrap: anywhere; }
.pg-copy-status:empty { display: none; }
.pg-copy-status.pg-error { white-space: normal; flex-shrink: 1; overflow-wrap: anywhere; color: #a42e38; }
.pg-visually-hidden, .pg-tool legend.pg-visually-hidden, .pg-tool .pg-settings h2.pg-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.pg-strength { flex-shrink: 0; white-space: nowrap; color: #56687b; }
.pg-strength[data-level="0"] { color: #ab3434; }
.pg-strength[data-level="1"] { color: #916000; }
.pg-strength[data-level="2"], .pg-strength[data-level="3"] { color: #237356; }
.pg-strength[data-level="4"] { color: #216bc0; }
.pg-copy-status { white-space: nowrap; flex-shrink: 0; min-width: 0; max-width: 100%; color: #186a51; }
.pg-tool .pg-row .pg-length-range { flex: 1 1 0; width: 100%; min-width: 0; max-width: 100%; margin: 0; }
.pg-row[data-manual] .pg-row-title > div { flex: 0 0 76px; }
.pg-tool .pg-length { width: 76px; font-size: 16px; padding: 5px 7px; min-height: 36px; border: 1px solid #aabfc9; border-radius: 7px; background: white; }
.pg-manual-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.pg-tool :is(button,input,a):focus-visible { outline: 3px solid #428eb7; outline-offset: 0px; }
@media (max-width: 999px) {
  .pg-columns { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
}
@media(max-width: 699px) {
  .pg-main { padding-bottom: 24px; }
  .pg-settings, .pg-results { padding: 16px; border-radius: 14px; }
  .pg-columns { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px 12px; }
  .pg-control-grid { grid-template-columns: minmax(0,1fr); gap: 14px; }
  .pg-types label { flex: 1 1 135px; }
  .pg-row-title { align-content: center; overflow-wrap: anywhere; }
  .pg-title-text { gap: 0 2px; }
  .pg-row[data-manual] .pg-row-title { align-content: center; justify-content: center; flex-direction: column; align-items: flex-start; }
  .pg-row[data-manual] .pg-row-title > div { flex-basis: auto; }
  .pg-tool .pg-row .pg-length-range { flex: 0 0 auto; }
  .pg-column-meta { font-size: 12px; column-gap: 6px; }
  .pg-recommend-desktop { display: none; }
  .pg-recommend-mobile { display: inline; }
}

/* A fixed trailing control leaves the readonly text horizontally scrollable. */
.pg-tool .pg-copy { position: absolute; inset-block: 1px; inset-inline-end: 1px; width: 38px; min-height: 0; padding: 0; border: 0; border-radius: 0 7px 7px 0; background: #f6fafc; color: #667078; display: grid; place-items: center; }
.pg-tool .pg-copy:hover { background: #f6fafc; }
.pg-copy svg { width: 18px; height: 18px; grid-area: 1 / 1; pointer-events: none; }
.pg-copy .pg-check-icon { display: none; }
.pg-copy[data-copied="true"] .pg-copy-icon { display: none; }
.pg-copy[data-copied="true"] .pg-check-icon { display: block; color: #237356; }
@media (pointer: coarse) { .pg-tool .pg-copy { width: 42px; } .pg-tool .pg-password { padding-inline-end: 48px; } }

/* Copy success is independent from the persistent keyboard focus indicator. */
.pg-tool .pg-password.is-copied { outline: 3px solid #428eb7; outline-offset: 0px; }