/* Password Generator: dark theme, mobile first. */

:root {
  color-scheme: dark;
  --bg: #0f172a;
  --surface: #1e293b;
  --raised: #273449;
  --field: #0f172a;
  --line: #334155;
  --line-soft: rgb(148 163 184 / 0.12);
  --text: #e2e8f0;
  --text-soft: #cbd5e1;
  --muted: #94a3b8;
  --accent: #34d399;
  --accent-hover: #6ee7b7;
  --accent-ink: #052e22;
  --digit: #7dd3fc;
  --symbol: #fbbf24;
  --s0: #f87171;
  --s1: #fb923c;
  --s2: #facc15;
  --s3: #a3e635;
  --s4: #34d399;
  --score-color: var(--accent);
  --radius: 12px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgb(2 6 23 / 0.35), 0 12px 32px -14px rgb(2 6 23 / 0.7);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image: radial-gradient(900px 420px at 12% -8%, rgb(52 211 153 / 0.1), transparent 70%);
  background-repeat: no-repeat;
  color: var(--text);
  font: 16px/1.5 var(--font);
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.icon {
  width: 18px;
  height: 18px;
  flex: none;
}

.icon-small {
  width: 14px;
  height: 14px;
}

/* ---- page frame ---- */

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo {
  flex: none;
  border-radius: 9px;
  box-shadow: 0 8px 20px -8px rgb(52 211 153 / 0.65);
}

h1 {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.tagline {
  display: none;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.topbar-actions {
  display: flex;
  flex: none;
  gap: 8px;
}

.notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 16px;
  padding: 10px 14px;
  border: 1px solid rgb(52 211 153 / 0.25);
  border-radius: var(--radius);
  background: rgb(52 211 153 / 0.07);
  color: var(--text-soft);
  font-size: 0.875rem;
  line-height: 1.45;
}

.notice .icon {
  margin-top: 1px;
  color: var(--accent);
}

.footer {
  padding: 24px 0 32px;
  text-align: center;
  font-size: 0.875rem;
}

.footer a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer a:hover {
  color: var(--accent);
}

/* ---- layout ---- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 650;
}

.card h3 {
  margin: 16px 0 2px;
  font-size: 0.9rem;
  font-weight: 650;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.card-head h2 {
  margin: 0;
}

.hint {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.45;
}

kbd {
  padding: 0 5px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--field);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
}

/* ---- buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 44px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--raised);
  font-size: 0.9375rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s, transform 0.15s;
}

.btn:hover {
  border-color: #475569;
  background: #2f3e57;
}

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
}

.btn-small {
  min-height: 40px;
  padding: 0 12px;
  font-size: 0.875rem;
}

.btn-lang {
  padding: 0 12px;
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.btn .icon-check {
  display: none;
}

.btn.is-done .icon-copy {
  display: none;
}

.btn.is-done .icon-check {
  display: block;
}

.icon-btn {
  display: inline-grid;
  flex: none;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 0.15s, color 0.15s;
}

.icon-btn:hover {
  background: var(--raised);
  color: var(--text);
}

/* ---- generator card ---- */

.output-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  margin-bottom: 14px;
}

.tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
}

.tab {
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
}

.tab:hover {
  color: var(--text);
}

.tab[aria-selected="true"] {
  background: var(--raised);
  color: var(--text);
  box-shadow: 0 2px 8px rgb(2 6 23 / 0.45);
}

.demo-badge {
  padding: 2px 10px;
  border: 1px solid rgb(250 204 21 / 0.35);
  border-radius: 999px;
  background: rgb(250 204 21 / 0.08);
  color: var(--s2);
  font-size: 0.75rem;
  font-weight: 600;
}

.value-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.value,
.value-error {
  min-height: 64px;
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--field);
}

.value {
  font-family: var(--mono);
  font-size: clamp(1.25rem, 0.9rem + 1.6vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: 0.04em;
  overflow-wrap: anywhere;
  word-break: break-all;
  cursor: text;
  user-select: all;
  -webkit-user-select: all;
  touch-action: pan-y;
}

/* Passphrases wrap between words where they can; passwords wrap anywhere. */
.card-output[data-mode="passphrase"] .value {
  word-break: normal;
}

.value[data-size="lg"] {
  font-size: clamp(1.1rem, 0.85rem + 1vw, 1.6rem);
}

.value[data-size="md"] {
  font-size: clamp(1rem, 0.85rem + 0.6vw, 1.3rem);
}

.value[data-size="sm"] {
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.value-error {
  display: flex;
  align-items: center;
  color: var(--s1);
  font-weight: 600;
}

.ch-digit {
  color: var(--digit);
}

.ch-symbol {
  color: var(--symbol);
}

.value.is-animated .ch {
  animation: ch-in 0.22s var(--ease) both;
}

@keyframes ch-in {
  from {
    opacity: 0;
    color: var(--accent);
  }
}

.output-actions {
  display: flex;
  gap: 8px;
}

.output-actions .btn {
  flex: 1;
}

.output-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 16px;
  margin-top: 12px;
}

.output-foot .hint {
  margin: 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--score-color);
  font-size: 0.875rem;
  font-weight: 650;
}

.pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--score-color);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--score-color) 22%, transparent);
}

.pill-bits {
  color: var(--muted);
  font-weight: 500;
}

.hint-touch {
  display: none;
}

@media (hover: none) and (pointer: coarse) {
  .hint-keys {
    display: none;
  }

  .hint-touch {
    display: block;
  }
}

/* ---- options ---- */

.field {
  min-width: 0;
  margin: 0 0 14px;
  padding: 0;
  border: 0;
}

.field > label,
.field > legend,
.field-head > label {
  display: block;
  margin-bottom: 6px;
  padding: 0;
  color: var(--text-soft);
  font-size: 0.875rem;
  font-weight: 600;
}

.field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.field-head > label {
  margin: 0;
}

.input {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--field);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(52 211 153 / 0.2);
}

.input::placeholder {
  color: #64748b;
}

.input-number {
  width: 84px;
  font-family: var(--mono);
  font-weight: 600;
  text-align: center;
}

.input-mono {
  font-family: var(--mono);
}

select.input {
  padding-right: 34px;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 19px) 50%, calc(100% - 14px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.range {
  display: block;
  width: 100%;
  height: 40px;
  margin: 0;
  background: transparent;
  accent-color: var(--accent);
  cursor: pointer;
}

.chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 48px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--field);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: border-color 0.15s, background-color 0.15s;
}

.chip:hover {
  border-color: #475569;
}

.chip:has(input:checked) {
  border-color: rgb(52 211 153 / 0.55);
  background: rgb(52 211 153 / 0.08);
}

.chip input {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.chip-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
  font-size: 0.9rem;
  font-weight: 600;
}

.sample {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
}

.chip-wide {
  margin-bottom: 14px;
}

.chip-field {
  align-self: end;
  min-height: 44px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* The two selects sit side by side only where their longest option fits. */
.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0 12px;
}

.field-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 12px;
}

/* ---- strength meter ---- */

.card-output,
.card-meter,
.check-result {
  --score-color: var(--accent);
}

[data-score="0"] {
  --score-color: var(--s0);
}

[data-score="1"] {
  --score-color: var(--s1);
}

[data-score="2"] {
  --score-color: var(--s2);
}

[data-score="3"] {
  --score-color: var(--s3);
}

[data-score="4"] {
  --score-color: var(--s4);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid color-mix(in srgb, var(--score-color) 38%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--score-color) 14%, transparent);
  color: var(--score-color);
  font-size: 0.8125rem;
  font-weight: 700;
  white-space: nowrap;
}

.bits-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  margin: 0 0 10px;
}

.bits {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.bits-unit {
  color: var(--muted);
  font-size: 0.875rem;
}

.meter {
  position: relative;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--field);
}

.meter-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill, 0%);
  border-radius: inherit;
  background: var(--score-color);
  box-shadow: 0 0 12px color-mix(in srgb, var(--score-color) 55%, transparent);
  transition: width 0.25s var(--ease), background-color 0.25s;
}

.meter::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(90deg, transparent 0 calc(20% - 2px), var(--surface) calc(20% - 2px) 20%);
}

.source {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 0.875rem;
  font-weight: 600;
}

.crack-list {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.crack-row {
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--field);
}

.crack-main {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 12px;
}

.crack-name {
  font-size: 0.875rem;
  font-weight: 600;
}

.crack-time {
  margin-left: auto;
  font-size: 0.875rem;
  font-weight: 700;
  text-align: right;
}

.crack-note {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.4;
}

.time-bad {
  color: var(--s0);
}

.time-fair {
  color: var(--s2);
}

.time-good {
  color: var(--accent);
}

.crack-compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.crack-compact .crack-row {
  padding: 8px 10px;
}

.crack-compact .crack-main {
  flex-direction: column;
  align-items: flex-start;
}

.crack-compact .crack-name {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.3;
}

.crack-compact .crack-time {
  margin: 2px 0 0;
  text-align: left;
}

/* ---- checker ---- */

.check-row {
  display: flex;
  gap: 8px;
}

.check-row .input {
  flex: 1;
  min-width: 0;
}

.hint-lock {
  display: flex;
  align-items: center;
  gap: 6px;
}

.check-empty {
  margin-top: 14px;
}

.check-result {
  margin-top: 14px;
}

.check-result .card-head {
  margin-bottom: 8px;
}

.check-bits {
  color: var(--muted);
  font-size: 0.875rem;
}

.feedback {
  display: grid;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.feedback-item {
  position: relative;
  padding-left: 18px;
  font-size: 0.875rem;
  line-height: 1.4;
}

.feedback-item::before {
  content: "";
  position: absolute;
  top: 0.45em;
  left: 2px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tone, var(--muted));
}

.fb-warn {
  --tone: var(--s1);
}

.fb-tip {
  --tone: var(--digit);
}

.fb-good {
  --tone: var(--accent);
}

/* ---- history ---- */

.history-list {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: item;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 2px 2px 2px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--field);
  counter-increment: item;
}

.history-item::before {
  content: counter(item);
  min-width: 1.4em;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.history-value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- toast, clipboard fallback, no-script ---- */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 10;
  max-width: calc(100vw - 32px);
  padding: 10px 18px;
  border: 1px solid rgb(52 211 153 / 0.4);
  border-radius: 999px;
  background: #0b1222;
  box-shadow: var(--shadow);
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s, transform 0.2s var(--ease);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.clipboard-buffer {
  position: fixed;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.noscript {
  max-width: 600px;
  margin: 16px auto;
  padding: 12px 16px;
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

/* ---- wider screens ---- */

@media (max-width: 419px) {
  .topbar .btn-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .topbar .btn {
    padding: 0 10px;
  }
}

@media (min-width: 600px) {
  .tagline {
    display: block;
  }

  h1 {
    font-size: 1.3rem;
  }
}

@media (min-width: 720px) {
  .card {
    padding: 18px 20px;
  }

  .layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "output output"
      "options meter"
      "checker history";
  }

  .card-output {
    grid-area: output;
  }

  .card-options {
    grid-area: options;
  }

  .card-meter {
    grid-area: meter;
  }

  .card-checker {
    grid-area: checker;
  }

  .card-history {
    grid-area: history;
  }

  .value-row {
    flex-direction: row;
    align-items: stretch;
  }

  .value,
  .value-error {
    flex: 1;
    min-width: 0;
  }

  .output-actions .btn {
    flex: none;
  }
}

@media (min-width: 1080px) {
  .layout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-areas:
      "output output meter"
      "options checker meter"
      "history history history";
  }

  .history-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}