/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
  --primary:       #673ab7;
  --primary-light: #9c6fe4;
  --primary-dark:  #4527a0;
  --primary-bg:    #ede7f6;
  --secondary:     #ff9800;
  --text-primary:  #1a1a1a;
  --text-muted:    #5f6368;
  --bg:            #f5f5f5;
  --surface:       #ffffff;
  --border:        #e0e0e0;
  --radius:        10px;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.10);
  --shadow-md:     0 4px 12px rgba(0,0,0,.12);
  --transition:    0.2s ease;
}

/* Dark mode via data attribute (JS toggle) */
[data-theme="dark"] {
  --primary:      #9c6fe4;
  --primary-dark: #7b1fa2;
  --primary-bg:   #1e1340;
  --text-primary: #e8e8e8;
  --text-muted:   #9e9e9e;
  --bg:           #121212;
  --surface:      #1e1e1e;
  --border:       #383838;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.5);
  --shadow-md:    0 4px 12px rgba(0,0,0,.6);
}

/* Honour OS preference when no manual toggle has been set */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --primary:      #9c6fe4;
    --primary-dark: #7b1fa2;
    --primary-bg:   #1e1340;
    --text-primary: #e8e8e8;
    --text-muted:   #9e9e9e;
    --bg:           #121212;
    --surface:      #1e1e1e;
    --border:       #383838;
    --shadow-sm:    0 1px 3px rgba(0,0,0,.5);
    --shadow-md:    0 4px 12px rgba(0,0,0,.6);
  }
}

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

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: "Poppins", system-ui, sans-serif;
  line-height: 1.65;
  padding-top: 16px;
  transition: background var(--transition), color var(--transition);
}

/* ── Navigation ────────────────────────────────────────────────────────── */
.navbar {
  background: var(--primary) !important;
  box-shadow: var(--shadow-md);
}
.navbar-brand {
  font-weight: 600;
  color: #fff !important;
  letter-spacing: -0.3px;
  font-size: 1.2rem;
}
.nav-link          { color: rgba(255,255,255,.88) !important; }
.nav-link:hover,
.nav-link.active   { color: #fff !important; }
.dropdown-menu     { background: var(--surface); border-color: var(--border); }
.dropdown-item     { color: var(--text-primary); }
.dropdown-item:hover { background: var(--primary-bg); color: var(--primary); }

/* Dark mode toggle button in navbar */
#darkModeToggle {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.5);
  color: #fff;
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  padding: 0;
  line-height: 1;
}
#darkModeToggle:hover { border-color: #fff; background: rgba(255,255,255,.15); }
#darkModeToggle .material-icons { font-size: 18px; }

/* ── Cards ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  color: var(--text-primary);
}
.card-header {
  background: var(--primary);
  color: #fff;
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0 !important;
  padding: 13px 20px;
  font-weight: 500;
  font-size: .95rem;
}
.card-body { background: var(--surface); color: var(--text-primary); }

/* ── Textarea ──────────────────────────────────────────────────────────── */
#inputText {
  background: var(--surface);
  color: var(--text-primary);
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  resize: vertical;
  min-height: 140px;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}
#inputText:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(103,58,183,.15);
  outline: none;
}

/* ── Stats bar (char / word counter + autosave) ────────────────────────── */
.stats-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .78rem;
  color: var(--text-muted);
  padding: 3px 1px;
  flex-wrap: wrap;
}
.stats-bar strong { color: var(--primary); font-weight: 600; }

.autosave-indicator {
  margin-left: auto;
  font-size: .72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  transition: opacity .4s;
}
.autosave-indicator.show { opacity: 1; }
.autosave-indicator .material-icons { font-size: 14px; color: #43a047; }

/* ── Suggestion Box (pill-style) ───────────────────────────────────────── */
.suggestion-box {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  margin: 8px 0;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 100;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 10px;
}
.suggestion-box:empty { display: none; }

.suggestion-item {
  padding: 4px 14px;
  cursor: pointer;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-primary);
  font-size: .88rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  user-select: none;
}
.suggestion-item:hover,
.suggestion-item.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn { font-weight: 500; }
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-secondary {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #fff;
}
.btn-secondary:hover { background: #e65100; border-color: #e65100; color: #fff; }

/* ── Typing example block ───────────────────────────────────────────────── */
.typing-example {
  background: var(--primary-bg);
  border-left: 4px solid var(--primary);
  padding: 13px 16px;
  margin: 14px 0;
  border-radius: 0 8px 8px 0;
  color: var(--text-primary);
}

/* ── SEO / article content ──────────────────────────────────────────────── */
.seo-content {
  background: var(--surface);
  color: var(--text-primary);
  padding: 22px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* ── Bootstrap overrides for dark mode ──────────────────────────────────── */
.list-group-item       { background: var(--surface); color: var(--text-primary); border-color: var(--border); }
.accordion-item        { background: var(--surface); border-color: var(--border); }
.accordion-button      { background: var(--surface); color: var(--text-primary); }
.accordion-button:not(.collapsed) { background: var(--primary-bg); color: var(--primary); box-shadow: none; }
.accordion-body        { background: var(--surface); color: var(--text-primary); }
.alert-info            { background: var(--primary-bg); border-color: var(--primary); color: var(--text-primary); }

/* ── Material Icons (self-hosted, no CDN dependency for icon font) ───────── */
.material-icons {
  font-family: "Material Icons", sans-serif;
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  vertical-align: middle;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
footer {
  background: var(--primary-dark);
  color: #fff;
  padding: 30px 0;
  margin-top: 48px;
}
footer a              { color: rgba(255,255,255,.8); text-decoration: none; }
footer a:hover        { color: #fff; text-decoration: underline; }

/* ── Back to Top ─────────────────────────────────────────────────────────── */
#backToTopBtn {
  position: fixed;
  bottom: 80px; /* sit above mobile anchor ad */
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s, transform .3s, visibility .3s;
  z-index: 900;
}
#backToTopBtn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#backToTopBtn i { font-size: 1rem; }

/* ── Mobile sticky anchor ad wrapper ────────────────────────────────────── */
.mobile-anchor-ad {
  position: fixed;
  bottom: 0; left: 0;
  width: 100%;
  background: var(--surface);
  border-top: 1px solid var(--border);
  text-align: center;
  z-index: 800;
  padding: 3px 0 2px;
}
@media (min-width: 768px) { .mobile-anchor-ad { display: none !important; } }

/* ── Alphabets image ─────────────────────────────────────────────────────── */
.alphabetsWrapper img {
  border-radius: var(--radius);
  max-width: 100%;
  height: auto;
}

/* ── Toast notification ──────────────────────────────────────────────────── */
#btToast {
  position: fixed;
  bottom: 90px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(20,20,20,.92);
  color: #fff;
  padding: 9px 22px;
  border-radius: 24px;
  font-size: .85rem;
  z-index: 3000;
  pointer-events: none;
  opacity: 0;
  transition: opacity .3s;
  white-space: nowrap;
}

/* ── Share dialog ────────────────────────────────────────────────────────── */
.share-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
}
.share-content {
  background: var(--surface);
  color: var(--text-primary);
  border-radius: var(--radius);
  max-width: 480px;
  width: 92%;
  padding: 24px;
  box-shadow: var(--shadow-md);
  animation: fadeUp .22s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  body       { padding-top: 8px; }
  .seo-content { padding: 16px; }
}