/**
 * cryptogram.css — Victorian newspaper cryptogram.
 * Parchment, serif masthead, typewriter puzzle face. Mobile-first.
 */

:root {
  --parchment: #FFFCF0; /* Flexoki paper */
  --parchment-deep: #F2F0E5; /* Flexoki base-50 */
  --ink: #100F0F; /* Flexoki black */
  --ink-soft: #403E3C; /* Flexoki base-800 */
  --ink-faint: #6F6E69; /* Flexoki base-600 */
  --rule: #282726; /* Flexoki base-900 */
  --rule-soft: rgba(40, 39, 38, 0.2);
  --highlight: #BC5215; /* Flexoki orange-600 */
  --highlight-soft: rgba(188, 82, 21, 0.14);
  --correct: #66800B; /* Flexoki green-600 */
  --correct-soft: rgba(102, 128, 11, 0.12);
  --claimed: #575653; /* Flexoki base-700 */
  --paper-grain: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  --font-display: "Playfair Display", "Times New Roman", Georgia, serif;
  --font-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-cipher: "Special Elite", "Courier New", Courier, monospace;
  --font-blackletter: "UnifrakturMaguntia", "Playfair Display", serif;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --max: 72rem;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--parchment);
  background-image:
    linear-gradient(180deg, rgba(255, 252, 240, 0.94), rgba(242, 240, 229, 0.96)),
    var(--paper-grain),
    radial-gradient(ellipse at 20% 0%, rgba(255, 252, 240, 0.6), transparent 55%),
    radial-gradient(ellipse at 90% 40%, rgba(206, 205, 195, 0.25), transparent 50%);
  background-attachment: fixed;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.5rem 0.85rem;
  background: var(--ink);
  color: var(--parchment);
  text-decoration: none;
  font-family: var(--font-body);
}
.skip-link:focus {
  top: 0.75rem;
}

/* —— Ads (MONETIZE placeholders) —————————————— */

.ad-slot {
  display: flex;
  justify-content: center;
  padding: 0.65rem 1rem;
}

.ad-placeholder {
  width: min(100%, 728px);
  min-height: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  border: 1px dashed var(--rule-soft);
  background: rgba(255, 250, 240, 0.35);
  color: var(--ink-faint);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ad-placeholder-tall {
  width: 100%;
  min-height: 200px;
}

.ad-label {
  font-weight: 600;
}

.ad-header {
  border-bottom: 1px solid var(--rule-soft);
}

/* —— Masthead ———————————————————————————————— */

.masthead {
  text-align: center;
  padding: 1.25rem 1.25rem 1.5rem;
  border-bottom: 3px double var(--rule);
  animation: masthead-settle 0.7s ease-out both;
}

.masthead-ornament {
  margin: 0 0 0.35rem;
  color: var(--ink-faint);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
}

.masthead-kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.masthead-title {
  margin: 0.35rem 0 0.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 6vw, 3.15rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.masthead-title .blackletter {
  display: inline-block;
  margin-right: 0.2em;
  font-family: var(--font-blackletter);
  font-weight: 400;
  font-size: 0.85em;
  color: var(--ink-soft);
  vertical-align: baseline;
}

.masthead-date {
  margin: 0.15rem 0 0.5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.masthead-dek {
  margin: 0 auto;
  max-width: 34rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.site-nav {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.35rem 0.55rem;
}

.nav-settings {
  appearance: none;
  border: 1px solid var(--rule-soft);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.65rem;
  cursor: pointer;
  border-radius: 999px;
}

.nav-settings:hover,
.nav-settings:focus-visible {
  border-color: var(--highlight);
  outline: none;
}

.site-nav a {
  color: var(--ink);
  text-underline-offset: 0.2em;
}

.site-nav a[aria-current="page"] {
  font-weight: 600;
  text-decoration: none;
  pointer-events: none;
}

@keyframes masthead-settle {
  from {
    opacity: 0;
    transform: translateY(-0.4rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* —— Layout —————————————————————————————————— */

.page-shell {
  width: min(100% - 1.5rem, var(--max));
  margin: 0 auto;
  padding: 1.25rem 0 calc(2.5rem + var(--safe-bottom));
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .page-shell {
    grid-template-columns: minmax(0, 1fr) 16.5rem;
    align-items: start;
    gap: 1.75rem;
  }

  .page-shell.page-shell-single {
    grid-template-columns: minmax(0, 42rem);
    justify-content: center;
  }
}

.main {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  min-width: 0;
}

.howto {
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 0.85rem;
}

.howto p {
  margin: 0;
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.panel-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.panel-subtitle {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.puzzle-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  margin-bottom: 0.75rem;
}

.puzzle-toolbar .panel-title {
  margin: 0;
}

.puzzle-status {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.puzzle-status.is-solved {
  color: var(--correct);
  font-weight: 600;
}

/* —— Puzzle face ————————————————————————————— */

.puzzle {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.12rem;
  padding: 0.85rem 0.15rem 1rem;
  font-family: var(--font-cipher);
  font-size: clamp(1.2rem, 3.8vw, 1.55rem);
  line-height: 1.85;
  outline: none;
  animation: puzzle-ink 0.55s ease-out 0.15s both;
}

.puzzle:focus-visible {
  box-shadow: inset 0 0 0 2px var(--ink);
}

@keyframes puzzle-ink {
  from {
    opacity: 0;
    filter: blur(1px);
  }
  to {
    opacity: 1;
    filter: none;
  }
}

.cipher-word {
  display: inline-flex;
  margin-right: 0.65rem;
  margin-bottom: 0.35rem;
}

.cipher-cell {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  min-width: 1.35em;
  padding: 0 0.08em;
  border: 0;
  background: transparent;
  font: inherit;
  color: inherit;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.15s ease, transform 0.12s ease;
}

.cipher-cell:hover {
  background: var(--highlight-soft);
}

.cipher-cell:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

.cipher-cell.is-active {
  background: var(--highlight-soft);
  box-shadow: inset 0 -2px 0 var(--highlight);
}

.cipher-cell.is-solved-letter .guess-letter {
  color: var(--correct);
}

.cipher-face {
  font-size: 0.72em;
  line-height: 1;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
}

.guess-letter {
  min-height: 1.15em;
  font-size: 1em;
  line-height: 1.15;
  border-bottom: 1.5px solid var(--rule);
  min-width: 0.9em;
  text-align: center;
  text-transform: uppercase;
}

.cipher-punct {
  display: inline-flex;
  align-items: flex-end;
  padding-bottom: 0.15em;
  margin-right: 0.08rem;
  color: var(--ink);
}

.attribution {
  margin: 0.25rem 0 0;
  font-style: italic;
  color: var(--ink-soft);
  animation: reveal-attr 0.45s ease-out both;
}

@keyframes reveal-attr {
  from {
    opacity: 0;
    transform: translateY(0.25rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* —— Mapping grid ———————————————————————————— */

.mapping-wrap {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--rule-soft);
}

.mapping-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr));
  gap: 0.4rem;
}

.mapping-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.mapping-cipher {
  font-family: var(--font-cipher);
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.mapping-input {
  width: 100%;
  max-width: 2.6rem;
  aspect-ratio: 1;
  text-align: center;
  text-transform: uppercase;
  font-family: var(--font-cipher);
  font-size: 1.15rem;
  border: 1.5px solid var(--rule);
  background: rgba(255, 250, 240, 0.55);
  color: var(--ink);
  border-radius: 2px;
  caret-color: var(--highlight);
}

.mapping-input:focus {
  outline: 2px solid var(--highlight);
  outline-offset: 1px;
  background: #fffaf0;
}

.mapping-input.is-hinted {
  border-color: var(--correct);
  background: var(--correct-soft);
}

.mapping-input:disabled {
  opacity: 0.85;
  cursor: default;
}

.hint-line {
  min-height: 1.35em;
  margin: 0.65rem 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* —— Actions ————————————————————————————————— */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.btn {
  appearance: none;
  border: 1.5px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.btn:hover {
  background: rgba(26, 21, 16, 0.06);
}

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

.btn:focus-visible {
  outline: 2px solid var(--highlight);
  outline-offset: 2px;
}

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

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

.btn-ink:hover {
  background: var(--ink-soft);
  color: var(--parchment);
}

.btn-sm {
  font-size: 0.8rem;
  padding: 0.3rem 0.55rem;
}

.btn-meta {
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  opacity: 0.8;
}

.premium-tag {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--highlight);
  opacity: 1;
}

.btn-ink .premium-tag {
  color: #f0c9a8;
}

/* —— Email / teaser / ledger ————————————————— */

.email-gate,
.teaser,
.ledger {
  padding-top: 0.25rem;
  border-top: 1px solid var(--rule-soft);
}

.email-gate p,
.teaser-body {
  margin: 0 0 0.75rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.email-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.email-form input {
  flex: 1 1 12rem;
  min-width: 0;
  padding: 0.5rem 0.65rem;
  border: 1.5px solid var(--rule);
  background: rgba(255, 250, 240, 0.55);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  border-radius: 2px;
}

.email-form input:focus {
  outline: 2px solid var(--highlight);
  outline-offset: 1px;
}

.email-success {
  margin: 0.65rem 0 0;
  color: var(--correct);
  font-style: italic;
}

.teaser-snippet {
  margin: 0;
  font-family: var(--font-cipher);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  opacity: 0.75;
  user-select: none;
  filter: blur(0.4px);
}

.ledger-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.5rem, 1fr));
  gap: 0.65rem 1rem;
  margin: 0;
}

.ledger-grid > div {
  border-left: 2px solid var(--rule);
  padding-left: 0.55rem;
}

.ledger-grid dt {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ledger-grid dd {
  margin: 0.1rem 0 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

/* —— Sidebar frequency ——————————————————————— */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.freq-panel {
  padding: 0.85rem 0.9rem 1rem;
  border: 1px solid var(--rule);
  background: rgba(255, 250, 240, 0.4);
}

.freq-note {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.freq-chart {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.freq-row {
  display: grid;
  grid-template-columns: 1.4rem 1fr 2.2rem;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
}

.freq-row.is-top .freq-letter {
  color: var(--highlight);
  font-weight: 700;
}

.freq-row.is-mapped .freq-bar-fill {
  background: var(--claimed);
}

.freq-letter {
  font-family: var(--font-cipher);
  font-weight: 600;
}

.freq-bar {
  height: 0.55rem;
  background: rgba(42, 36, 28, 0.1);
  border-radius: 1px;
  overflow: hidden;
}

.freq-bar-fill {
  height: 100%;
  background: var(--ink);
  width: 0;
  transition: width 0.25s ease;
}

.freq-count {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink-faint);
}

.freq-english {
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--rule-soft);
  position: relative;
}

.freq-english.is-locked {
  min-height: 5rem;
}

.lock-banner {
  margin: 0;
  padding: 0.75rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-soft);
  background: rgba(232, 220, 196, 0.85);
  border: 1px dashed var(--rule-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.freq-english:not(.is-locked) .lock-banner {
  display: none;
}

.claimed-list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.claimed-list li {
  font-family: var(--font-cipher);
  font-size: 0.78rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--rule-soft);
  background: rgba(255, 250, 240, 0.5);
}

.claimed-list li mark {
  background: transparent;
  color: var(--highlight);
  font-weight: 700;
}

/* —— Capital dialog —————————————————————————— */

.capital-dialog {
  border: 2px solid var(--rule);
  padding: 0;
  max-width: min(92vw, 26rem);
  background: var(--parchment);
  color: var(--ink);
  box-shadow: 0 18px 40px rgba(26, 21, 16, 0.28);
}

.capital-dialog::backdrop {
  background: rgba(26, 21, 16, 0.45);
}

.capital-card {
  margin: 0;
  padding: 1.25rem 1.35rem 1.35rem;
}

.capital-card h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.capital-card p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.capital-actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

/* —— Footer —————————————————————————————————— */

.colophon {
  text-align: center;
  padding: 1rem 1.25rem calc(1.5rem + var(--safe-bottom));
  border-top: 1px solid var(--rule-soft);
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.colophon a {
  color: var(--ink-soft);
}

@media (max-width: 899px) {
  .ad-sidebar {
    display: none;
  }

  .sidebar {
    order: 2;
  }
}

/* —— Dark theme (shared with Doublets and Anagram via data-theme) —— */

[data-theme="dark"] {
  --parchment: #100f0f;
  --parchment-deep: #1c1b1a;
  --ink: #cecdc3;
  --ink-soft: #b7b5ac;
  --ink-faint: #878580;
  --rule: #cecdc3;
  --rule-soft: rgba(206, 205, 195, 0.22);
  --highlight: #da702c;
  --highlight-soft: rgba(218, 112, 44, 0.18);
  --correct: #879a39;
  --correct-soft: rgba(135, 154, 57, 0.16);
  --claimed: #878580;
  color-scheme: dark;
}

[data-theme="dark"] body {
  background-image:
    linear-gradient(180deg, rgba(16, 15, 15, 0.94), rgba(28, 27, 26, 0.96)),
    var(--paper-grain),
    radial-gradient(ellipse at 20% 0%, rgba(28, 27, 26, 0.8), transparent 55%),
    radial-gradient(ellipse at 90% 40%, rgba(40, 39, 38, 0.45), transparent 50%);
}

[data-theme="dark"] .btn:hover {
  background: rgba(206, 205, 195, 0.08);
}

[data-theme="dark"] .email-form input,
[data-theme="dark"] .mapping-input,
[data-theme="dark"] .freq-panel,
[data-theme="dark"] .claimed-list li {
  background: rgba(28, 27, 26, 0.72);
}

[data-theme="dark"] .mapping-input:focus {
  background: #1c1b1a;
}

[data-theme="dark"] .lock-banner {
  background: rgba(40, 39, 38, 0.92);
}

[data-theme="dark"] .capital-dialog {
  background: var(--parchment);
  color: var(--ink);
}

[data-theme="dark"] .freq-bar {
  background: rgba(206, 205, 195, 0.12);
}

[data-theme="dark"] .ad-placeholder {
  background: rgba(28, 27, 26, 0.45);
}