/* Nord palette mapped to Pico CSS variables */
:root {
  --pico-background-color: #2e3440;
  --pico-color: #eceff4;
  --pico-font-family: "Poppins", sans-serif;

  --pico-primary: #88c0d0;
  --pico-primary-hover: #5e81ac;
  --pico-primary-focus: rgba(136, 192, 208, 0.25);
  --pico-primary-inverse: #2e3440;

  --pico-secondary: #4c566a;
  --pico-secondary-hover: #5e81ac;
  --pico-secondary-inverse: #eceff4;

  --pico-form-element-background-color: #3b4252;
  --pico-form-element-border-color: #4c566a;
  --pico-form-element-color: #eceff4;
  --pico-form-element-placeholder-color: #4c566a;
  --pico-form-element-focus-color: #88c0d0;

  --pico-border-color: #4c566a;
  --pico-muted-color: #d8dee9;
  --pico-muted-border-color: #4c566a;

  --pico-card-background-color: #3b4252;
  --pico-card-border-color: #4c566a;
}

/* Font variants — sentence display only */
body[data-font="serif"] #sentence {
  font-family: 'EB Garamond', Georgia, serif;
}
body[data-font="mono"] #sentence {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
}

/* Layout */
body {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 1rem;
  text-align: center;
}

#app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: 90%;
  max-width: 600px;
  padding-top: 2rem;
}

h1 {
  color: var(--pico-primary);
  margin-bottom: 0;
}

h1 a {
  color: inherit;
  text-decoration: none;
}

h1 a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

/* Sentence display */
#sentence-container {
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#sentence {
  font-size: 1.3rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
  text-align: left;
}

#counter {
  color: var(--pico-muted-color);
  font-size: 0.9rem;
}

/* Shared button shape */
button {
  border-radius: 999px !important;
}

/* Nav controls (prev / next / new-text) */
.controls {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.controls button {
  padding: 0.5rem 1.5rem;
  font-size: 1.5rem;
  background-color: #434c5e;
  border-color: #434c5e;
  color: #eceff4;
}

.controls button:hover {
  background-color: #4c566a;
  border-color: #4c566a;
}

#new-text {
  background-color: #ebcb8b;
  border-color: #ebcb8b;
  color: #2e3440;
  font-size: 1rem;
}

#new-text:hover {
  background-color: #d9b96e;
  border-color: #d9b96e;
}

/* Input area */
#input-group {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Settings row: lang select + font toggle */
.input-settings {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

#lang-select {
  flex: 1;
  font-size: 0.95rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background-color: #3b4252;
  border: 1px solid #4c566a;
  color: #eceff4;
  cursor: pointer;
  margin: 0;
}

#lang-select:focus {
  outline: none;
  border-color: var(--pico-primary);
}

/* Font toggle */
.font-toggle {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.font-btn {
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  background-color: #3b4252;
  border: 1px solid #4c566a;
  color: #d8dee9;
  cursor: pointer;
}

.font-btn:hover {
  background-color: #434c5e;
  border-color: #4c566a;
}

.font-btn.active {
  background-color: var(--pico-primary) !important;
  border-color: var(--pico-primary) !important;
  color: #2e3440 !important;
}

.font-btn[data-font="sans"] { font-family: 'Poppins', sans-serif; }
.font-btn[data-font="serif"] { font-family: 'EB Garamond', Georgia, serif; font-size: 1rem; }
.font-btn[data-font="mono"] { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; }

.input-btns {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  align-items: stretch;
}

/* Split buttons — Nord Frost blue */
#accept,
#accept-paragraphs {
  background-color: #5e81ac;
  border-color: #5e81ac;
  color: #eceff4;
  font-weight: 600;
}

#accept:hover,
#accept-paragraphs:hover {
  background-color: #4c6f99;
  border-color: #4c6f99;
}

/* Trash button — Nord Aurora red, icon only */
#refresh {
  background-color: #bf616a;
  border-color: #bf616a;
  color: #eceff4;
  padding-left: 0.85rem;
  padding-right: 0.85rem;
  align-self: stretch;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#refresh:hover {
  background-color: #a8545c;
  border-color: #a8545c;
}

/* Utility */
.hidden {
  display: none !important;
}

/* Progress bar */
#progress-bar-wrap {
  width: 100%;
  height: 4px;
  background-color: #3b4252;
  border-radius: 999px;
  overflow: hidden;
}

#progress-bar {
  height: 100%;
  width: 0%;
  background-color: var(--pico-primary);
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* Word list */
#word-list-container {
  width: 100%;
  border-top: 1px solid var(--pico-border-color);
  padding-top: 1.25rem;
}

.word-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.word-list-header h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#word-count {
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--pico-primary);
  color: #2e3440;
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  line-height: 1.6;
}

.export-btns {
  display: flex;
  gap: 0.5rem;
}

#export-anki,
#copy-words {
  font-size: 0.8rem;
  padding: 0.3rem 0.85rem;
  background-color: #434c5e;
  border-color: #434c5e;
  color: #eceff4;
}

#export-anki:hover,
#copy-words:hover {
  background-color: #4c566a;
  border-color: #4c566a;
}

#word-list-container table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

#word-list-container th {
  color: var(--pico-muted-color);
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-bottom: 1px solid var(--pico-border-color);
}

#word-list-container td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--pico-muted-border-color);
  vertical-align: middle;
}

#word-list-container td input {
  width: 100%;
  margin: 0;
  padding: 0.3rem 0.5rem;
  font-size: 0.85rem;
}

.word-cell {
  cursor: pointer;
  font-weight: 600;
  white-space: nowrap;
  color: var(--pico-primary);
  transition: color 0.2s;
}

.word-cell:hover {
  color: #bf616a;
  text-decoration: line-through;
}

/* Clickable words in sentence */
.clickable-word {
  cursor: pointer;
  display: inline-block;
  margin: 0 2px;
  transition: color 0.2s;
}

.clickable-word:hover {
  color: var(--pico-primary);
}

.underlined-group {
  color: var(--pico-primary);
}

.underlined-group .clickable-word:hover {
  opacity: 0.7;
}

#word-list-container td strong {
  text-decoration: underline;
  text-decoration-color: var(--pico-primary);
}

/* ── About section ─────────────────────────────────────────────────────────── */
#about {
  width: 90%;
  max-width: 600px;
  margin-top: 3rem;
  margin-bottom: 3rem;
  text-align: left;
  border-top: 1px solid var(--pico-border-color);
  padding-top: 2rem;
}

.about-desc {
  color: var(--pico-muted-color);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* FAQ accordion */
.faq details {
  border-bottom: 1px solid var(--pico-border-color);
}

.faq details:first-child {
  border-top: 1px solid var(--pico-border-color);
}

.faq summary {
  padding: 0.85rem 0;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--pico-color);
  user-select: none;
  text-decoration: none;
}

.faq summary:focus {
  outline: none;
  box-shadow: none;
}

.faq details p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--pico-muted-color);
  margin: 0 0 1rem 0;
  padding-right: 1rem;
}

.faq details p code {
  background-color: #3b4252;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

.faq details p strong {
  color: var(--pico-color);
}