:root {
  color-scheme: light;
  font:
    1rem/1.5 Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #193b2b;
  background: #e8efe9;
  --accent: #176b3a;
  --accent-hover: #10532d;
  --forest: #123d29;
  --ink: #193b2b;
  --line: #cbd9ce;
  --muted: #607668;
  --surface: #fbfdfb;
}

* {
  box-sizing: border-box;
}

body {
  max-width: 1120px;
  min-height: 100vh;
  margin: 0 auto;
  background: var(--surface);
  box-shadow: 0 0 48px #123d2910;
}

a {
  color: var(--accent);
}

nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  background: var(--forest);
  color: #fff;
}

nav h1 {
  flex: auto;
  margin: 0;
  font-size: 1.2rem;
}
nav h1 a {
  color: inherit;
  text-decoration: none;
}
nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav ul li a,
nav ul li span {
  display: block;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
}

.action {
  display: inline-block;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
}
.nav-actions {
  position: absolute;
  left: 50%;
  display: flex;
  gap: 0.5rem;
  transform: translateX(-50%);
}
nav ul li a {
  color: #fff;
  text-decoration: none;
}
nav ul li a:hover,
nav ul li a:focus-visible {
  background: #ffffff20;
}
.nav-form {
  margin: 0;
}
.nav-form button {
  padding: 0.55rem 0.8rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #fff;
  font: inherit;
  cursor: pointer;
}
.nav-form button:hover,
.nav-form button:focus-visible {
  background: #ffffff20;
}

.content {
  padding: 0 clamp(1rem, 4vw, 2.5rem) 2.5rem;
}
.content > header {
  padding: 1.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
}
.content > header h1 {
  margin: 0;
  color: var(--ink);
  font-size: 1.3rem;
}
.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.page-heading h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.045em;
}
.page-heading .eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-heading .intro {
  max-width: 38rem;
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.action,
input[type="submit"] {
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
}

.action:hover,
input[type="submit"]:hover {
  background: var(--accent-hover);
}
.flash {
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  border: 1px solid #b8d5bf;
  border-radius: 0.75rem;
  background: #edf6ee;
  color: #245b38;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.6rem, 2.5vw, 1.5rem);
  padding-top: 1.25rem;
}

.language-headings {
  padding-top: 0;
}
.language-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}
.language-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 1.3rem;
}
.post h3 {
  margin: 0.6rem 0 0;
  font-size: 1.35rem;
  overflow-wrap: anywhere;
}
.empty-state {
  margin: 2rem 0;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px dashed #abc3b0;
  border-radius: 1rem;
  background: #f0f6f1;
  text-align: center;
}
.empty-state h2 {
  margin-top: 0;
}

.column {
  min-width: 0;
}
.post {
  margin-bottom: 0.85rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--surface);
  box-shadow: 0 4px 14px #123d290c;
}

.post > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
}
.post > header > div:first-of-type {
  flex: auto;
  min-width: 0;
}
.post > header .edit-placeholder {
  visibility: hidden;
}
.post > header h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.25rem;
  overflow-wrap: anywhere;
}

.post .about {
  color: var(--muted);
  font-size: 0.8rem;
}
.post .body {
  margin: 0.75rem 0;
  white-space: pre-line;
  overflow-wrap: anywhere;
}
.post .translation {
  margin: 0.4rem 0 0.75rem;
  color: var(--muted);
  white-space: pre-line;
  overflow-wrap: anywhere;
}
hr {
  border: 0;
  border-top: 1px solid var(--line);
}

.content form {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-width: 34rem;
  margin: 1.25rem 0;
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--surface);
}

.content label {
  font-weight: 650;
}
.content input:not([type="submit"]),
.content textarea,
.content select {
  width: 100%;
  min-height: 2.8rem;
  margin-bottom: 0.6rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #bfd0c2;
  border-radius: 0.55rem;
  background: #fff;
  color: inherit;
  font: inherit;
}

.content textarea {
  min-height: 12em;
  resize: vertical;
}
.form-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.form-actions input[type="submit"] {
  align-self: auto;
}
.action.secondary {
  padding: 0.7rem 1rem;
  border: 1px solid var(--line);
  background: #edf3ee;
  color: #294b35;
}
.action.secondary:hover {
  background: #e1ece3;
}
.content input:focus-visible,
.content textarea:focus-visible,
.content select:focus-visible,
a:focus-visible,
input[type="submit"]:focus-visible {
  outline: 3px solid #82bd91;
  outline-offset: 2px;
}

input.danger,
button.danger {
  background: #a73b37;
  color: #fff;
}
button.danger {
  min-width: 8rem;
  padding: 0.7rem 1rem;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
button.danger:hover {
  background: #872f2c;
}
input[type="submit"] {
  align-self: start;
  min-width: 8rem;
  padding: 0.7rem 1rem;
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.mode-card,
.training-card {
  padding: clamp(1rem, 3vw, 1.5rem);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: var(--surface);
}
.mode-card {
  display: block;
  color: inherit;
  text-decoration: none;
}
.mode-card {
  text-decoration: none;
}
.mode-card:hover {
  border-color: var(--accent);
}
.mode-card h2 {
  margin: 0 0 0.5rem;
  color: var(--accent);
}
.mode-card p,
.training-card p {
  margin: 0;
}
.training-card {
  max-width: 38rem;
  margin: 1.25rem auto;
}
.training-card .word-label {
  color: var(--muted);
  font-size: 0.85rem;
}
.training-card .word {
  margin: 0.3rem 0 1.2rem;
  font-size: 1.25rem;
  overflow-wrap: anywhere;
}
.training-card .answer {
  margin: 0 0 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}
.training-card > .action {
  display: block;
  width: 100%;
  text-align: center;
}
.content form.training-form {
  max-width: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}
.training-form .action {
  padding: 0.7rem 1rem;
}
.practice-actions {
  flex-wrap: wrap;
  margin-top: 1rem;
}
.practice-actions .action {
  text-align: center;
}

@media (max-width: 700px) {
  nav {
    align-items: flex-start;
    flex-direction: column;
  }
  nav .nav-actions {
    position: static;
    align-self: center;
    transform: none;
  }
  nav ul {
    width: 100%;
    justify-content: flex-start;
  }
  .page-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .content > header {
    padding-top: 1rem;
  }
  .language-heading h2,
  .content > header h1,
  .post > header h3 {
    font-size: 1rem;
  }
  .column .post {
    padding: 0.75rem;
  }
  .two-column {
    grid-template-columns: 1fr;
    padding-top: 0.5rem;
  }
  .mode-grid {
    grid-template-columns: 1fr;
  }
}