/*
  styles.css

  This stylesheet provides the look and feel for the Best Digital Tool Word
  Counter.  Colours are defined as CSS variables so that themes (light/dark)
  can be switched easily.  Layout uses flexbox and grid to produce a
  responsive SaaS‑like interface.  Cards feature subtle shadows and rounded
  corners.  Mobile breakpoints add a sticky mini‑stats bar for quick
  reference when the main statistics would otherwise scroll off screen.
*/

/* Root variables for light theme */
:root {
  --background-color: #f9fafb;
  --surface-color: #ffffff;
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --text-color: #212529;
  --muted-text: #6c757d;
  --card-border-radius: 8px;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --sticky-background: rgba(255, 255, 255, 0.9);
  /* Semantic colours for statuses */
  --success-color: #2ca85c;
  --warning-color: #e0a800;
  --danger-color: #d9534f;
  /* Gradient accent colours */
  --gradient-start: #00c6ff;
  --gradient-end: #0072ff;
}

/* Dark theme overrides */
.dark-mode {
  --background-color: #1e1e1e;
  --surface-color: #2a2a2a;
  --primary-color: #2996e4;
  --secondary-color: #8a949e;
  --text-color: #e5e5e5;
  --muted-text: #9aa4b1;
  --border-color: #3a3a3a;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --sticky-background: rgba(34, 34, 34, 0.9);
  --success-color: #45c163;
  --warning-color: #d7a937;
  --danger-color: #e46060;
  --gradient-start: #00c6ff;
  --gradient-end: #0072ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

header {
  background-color: var(--surface-color);
  box-shadow: 0 1px 3px var(--shadow-color);
  padding: 1.25rem 0;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.header-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  margin: 0;
  font-size: 2rem;
  color: var(--primary-color);
}

.tagline {
  margin: 0.25rem 0 0;
  color: var(--secondary-color);
  max-width: 700px;
  font-size: 0.95rem;
  line-height: 1.4;
}

.header-right {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.toggle-btn {
  background-color: var(--primary-color);
  color: #fff;
  border: none;
  padding: 0.45rem 0.9rem;
  border-radius: calc(var(--card-border-radius) * 1.5);
  cursor: pointer;
  font-size: 0.85rem;
  transition: filter 0.2s;
}

.toggle-btn:hover {
  filter: brightness(0.9);
}

/* Theme select for light/dark/system */
.theme-label {
  font-size: 0.85rem;
  color: var(--secondary-color);
  margin-right: 0.25rem;
  align-self: center;
}
.theme-select {
  background-color: var(--surface-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  padding: 0.3rem 0.6rem;
  border-radius: var(--card-border-radius);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
  appearance: none;
}
.theme-select option {
  background-color: var(--surface-color);
  color: var(--text-color);
}

main {
  /* Add vertical margins so the tool can sit comfortably between surrounding content or advertising banners */
  margin: 1.5rem 0;
  padding-bottom: 4rem;
}

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.toolbar-btn {
  background-color: var(--secondary-color);
  color: #fff;
  border: none;
  padding: 0.45rem 0.9rem;
  border-radius: calc(var(--card-border-radius) * 1.5);
  cursor: pointer;
  font-size: 0.8rem;
  line-height: 1;
  transition: filter 0.2s;
}

.toolbar-btn:hover {
  filter: brightness(0.9);
}

/* Dropdown styles */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropbtn {
  display: flex;
  align-items: center;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--surface-color);
  min-width: 160px;
  box-shadow: 0 1px 6px var(--shadow-color);
  border: 1px solid var(--border-color);
  border-radius: var(--card-border-radius);
  z-index: 1000;
  overflow: hidden;
}

.dropdown-content button {
  width: 100%;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-color);
}

.dropdown-content button:hover {
  background-color: var(--background-color);
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* Textarea */
#inputText {
  width: 100%;
  /* Increase default height for a more spacious editing experience */
  min-height: 300px;
  padding: 0.85rem;
  font-size: 1.05rem;
  border: 1px solid var(--border-color);
  border-radius: var(--card-border-radius);
  resize: vertical;
  background-color: var(--surface-color);
  color: var(--text-color);
}

#inputText:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.25);
}

.privacy-note {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted-text);
  font-style: italic;
}

/* Sticky stats bar for small screens */
.sticky-stats {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.5rem 1rem;
  background-color: var(--sticky-background);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -2px 4px var(--shadow-color);
  display: none;
  justify-content: space-between;
  font-size: 0.85rem;
  z-index: 100;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.stat-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--card-border-radius);
  padding: 1rem 0.75rem 0.75rem;
  box-shadow: 0 1px 3px var(--shadow-color);
  text-align: center;
  position: relative;
  overflow: hidden;
  /* Remove solid border; the accent is drawn with a gradient pseudo-element */
  /* border-top removed in favour of ::before accent */
}

.stat-card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  color: var(--secondary-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card p {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--primary-color);
}

/* Gradient accent bar for stat and analysis cards */
.stat-card::before,
.analysis-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
  border-top-left-radius: var(--card-border-radius);
  border-top-right-radius: var(--card-border-radius);
}

/* Analysis section */
.analysis-section {
  margin-top: 2rem;
}

.analysis-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.analysis-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--card-border-radius);
  padding: 1rem;
  box-shadow: 0 1px 3px var(--shadow-color);
  min-height: 160px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.analysis-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.analysis-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  flex-grow: 1;
  overflow-y: auto;
}

/* Readability detail line in the readability card */
.readability-detail {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-style: italic;
  color: var(--secondary-color);
}

.analysis-card li {
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
}

/* Keyword density layout */
.keyword-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  line-height: 1.2;
}
.keyword-word {
  flex: 0 0 30%;
  font-weight: 500;
  color: var(--text-color);
  text-transform: lowercase;
}
.keyword-bar-wrapper {
  flex: 1;
  background-color: var(--border-color);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.keyword-bar {
  display: block;
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 3px;
}
.keyword-count {
  flex: 0 0 auto;
  min-width: 80px;
  font-size: 0.75rem;
  color: var(--muted-text);
  text-align: right;
}

/* Limit rows used for SEO, social and ad copy sections */
.limit-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
}
.limit-row[data-status="over"] {
  color: var(--danger-color);
}
.limit-row[data-status="within"] {
  color: var(--success-color);
}
.limit-name {
  flex: 1;
  font-weight: 500;
}
.limit-count {
  min-width: 80px;
  text-align: right;
}
.limit-info {
  min-width: 70px;
  text-align: right;
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

/* Empty state within analysis */
.empty-state {
  background-color: var(--surface-color);
  border: 1px dashed var(--border-color);
  border-radius: var(--card-border-radius);
  padding: 1rem;
  margin: 1rem 0;
  text-align: center;
  color: var(--muted-text);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Upsell section */
.upsell-section {
  margin-top: 2rem;
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--card-border-radius);
  padding: 1rem 1.5rem;
  box-shadow: 0 1px 3px var(--shadow-color);
}
.upsell-section h2 {
  margin-top: 0;
  font-size: 1.1rem;
  color: var(--primary-color);
}
.upsell-section .coming-soon {
  font-size: 0.8rem;
  color: var(--muted-text);
}
.upsell-list {
  list-style: none;
  padding-left: 1rem;
  margin: 0.5rem 0;
}
.upsell-list li {
  margin-bottom: 0.4rem;
  position: relative;
  padding-left: 1rem;
  font-size: 0.9rem;
  color: var(--text-color);
}
.upsell-list li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  top: 0.1rem;
}

/* Recommended writing tools */
.recommended-section {
  margin-top: 2rem;
}
.recommended-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.recommended-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--card-border-radius);
  padding: 1rem;
  box-shadow: 0 1px 3px var(--shadow-color);
}
.recommended-card h4 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: var(--primary-color);
}
.recommended-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted-text);
}

.warnings {
  font-size: 0.85rem;
  line-height: 1.3;
  color: var(--text-color);
}

.warnings span {
  display: block;
  margin-bottom: 0.25rem;
}

/* Overused words list */
.overused-words {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--danger-color);
}

/* Longest sentence display */
.longest-sentence {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--secondary-color);
}

/* FAQ accordion */
.faq-section {
  margin-top: 2rem;
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
}

.accordion-header {
  width: 100%;
  background-color: var(--surface-color);
  color: var(--primary-color);
  cursor: pointer;
  padding: 0.75rem;
  border: none;
  text-align: left;
  outline: none;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
}

.accordion-header::after {
  content: '+';
  margin-left: auto;
  font-weight: bold;
}

.accordion-header.active::after {
  content: '–';
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
  padding: 0 0.75rem;
}

.accordion-body p {
  margin: 0.5rem 0;
  font-size: 0.85rem;
  color: var(--text-color);
}

/* Related tools */
.related-section {
  margin-top: 2rem;
}

.related-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.related-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--card-border-radius);
  padding: 1rem;
  box-shadow: 0 1px 3px var(--shadow-color);
}

.related-card h4 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: var(--primary-color);
}

.related-card p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted-text);
}

/* Footer */
footer {
  background-color: var(--surface-color);
  border-top: 1px solid var(--border-color);
  padding: 1rem 0;
  text-align: center;
  color: var(--muted-text);
  font-size: 0.85rem;
}

/* Compact view: reduce margins and hide some analysis for a condensed experience */
.compact-view .analysis-card {
  display: none;
}
.compact-view .stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
}
.compact-view .stat-card p {
  font-size: 1rem;
}
.compact-view .toolbar-btn,
.compact-view .toggle-btn {
  padding: 0.3rem 0.6rem;
  font-size: 0.7rem;
}

/* Responsive rules */
@media (max-width: 600px) {
  .site-title {
    font-size: 1.5rem;
  }
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.5rem;
  }
  .sticky-stats {
    display: flex;
    align-items: center;
  }
  main {
    padding-bottom: 4rem;
  }
}