:root {
  --paper: #F5F1E8;
  --ink: #23221E;
  --ink-soft: #5B584F;
  --accent: #33517E;
  --accent-deep: #22385C;
  --accent-soft: #E1E7F0;
  --rule: #D9D2BE;
  --moss: #5E7A52;
  --error: #9C3B3B;
  --radius: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
  font-family: "Vazirmatn", "Inter", system-ui, sans-serif;
}

body {
  font-size: 16px;
  line-height: 1.6;
}

.serif, h1, .word-headline {
  font-family: "Source Serif 4", "Vazirmatn", serif;
}

.app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
}

.spine {
  background: var(--accent-deep);
  color: #EFE9DA;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.spine-title {
  font-family: "Source Serif 4", serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.spine-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-btn {
  background: none;
  border: none;
  color: #C9D3E2;
  text-align: right;
  padding: 10px 12px;
  border-radius: var(--radius);
  font-size: 15px;
  cursor: pointer;
  font-family: inherit;
}

.nav-btn:hover { background: rgba(255,255,255,0.06); }
.nav-btn.active { background: rgba(255,255,255,0.12); color: #fff; font-weight: 500; }

.spine-user {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: #B7C1D1;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 16px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  padding: 0;
  text-align: right;
}

.spine .link-btn { color: #C9D3E2; text-align: right; }

.content {
  padding: 48px 56px;
  max-width: 720px;
}

.view-header h1 {
  margin: 0 0 4px;
  font-size: 26px;
  font-weight: 600;
}

.hint {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* Auth */

.auth-card {
  max-width: 380px;
  margin-top: 40px;
}

.auth-card h1 {
  font-size: 24px;
  margin-bottom: 24px;
}

#authForm {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--ink-soft);
}

input[type="email"], input[type="password"], input[type="text"] {
  border: 1px solid var(--rule);
  background: #fff;
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
}

input:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button[type="submit"] {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 11px 16px;
  font-size: 15px;
  font-family: inherit;
  cursor: pointer;
  margin-top: 4px;
}

button[type="submit"]:hover { background: var(--accent-deep); }

.form-error {
  color: var(--error);
  font-size: 13px;
  margin: 0;
}

#authToggle {
  margin-top: 18px;
}

/* Word list, notebook-line style */

.word-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.word-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.word-item:first-child { border-top: 1px solid var(--rule); }

.word-main { flex: 1; }

.word-headline {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 19px;
  font-weight: 600;
}

.word-headline[dir="ltr"] { direction: ltr; text-align: left; }

.phonetic {
  font-family: "Source Serif 4", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  font-size: 15px;
}

.meaning { margin: 6px 0 0; color: var(--ink); }
.meaning-fa { margin: 6px 0 0; color: var(--accent-deep); font-weight: 500; }
.word-fa-headline { font-size: 17px; margin-top: 2px; }
.example { margin: 4px 0 0; color: var(--ink-soft); font-size: 14px; }

.word-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 13px;
  text-decoration: underline;
  font-family: inherit;
  padding: 0;
}

.icon-btn.danger { color: var(--error); }

.empty-hint {
  color: var(--ink-soft);
  font-size: 14px;
  padding: 20px 0;
}

/* Dictionary search */

.search-form {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
}

.search-form input {
  flex: 1;
}

.search-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0 20px;
  font-family: inherit;
  font-size: 15px;
  cursor: pointer;
}

.search-form button:hover { background: var(--accent-deep); }

.result-card {
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}

.audio-btn {
  background: var(--accent-soft);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  color: var(--accent-deep);
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.meaning-block {
  margin: 14px 0;
  padding-inline-start: 14px;
  border-inline-start: 2px solid var(--rule);
}

.pos {
  color: var(--moss);
  font-size: 13px;
  font-weight: 600;
  text-transform: lowercase;
}

.save-btn {
  margin-top: 16px;
  background: var(--moss);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}

.save-btn:hover { opacity: 0.9; }
.save-btn:disabled { opacity: 0.5; cursor: default; }

.status-msg {
  font-size: 14px;
  color: var(--ink-soft);
  padding: 8px 0;
}

.status-msg.error { color: var(--error); }

@media (max-width: 640px) {
  .app { grid-template-columns: 1fr; }
  .spine { flex-direction: row; align-items: center; padding: 16px 20px; gap: 20px; }
  .spine-nav { flex-direction: row; }
  .spine-user { margin-top: 0; margin-inline-start: auto; border: none; padding: 0; flex-direction: row; align-items: center; }
  .content { padding: 28px 20px; }
}