:root{
  --bg: #f4f7fa;
  --panel: #ffffff;
  --text: #222;
  --primary: #007bff;
  --primary-hover: #0056b3;
  --muted: #666;
}

/* base */
* { box-sizing: border-box; margin: 0; padding: 0; }
html,body { height: 100%; }

body {
  font-family: "Segoe UI", Roboto, system-ui, -apple-system, "Helvetica Neue", Arial;
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
  transition: background-color .25s ease, color .25s ease;
}

/* Main container */
.container {
  width: 100%;
  max-width: 960px;
  background: var(--panel);
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(18, 38, 63, 0.08);
  padding: 20px 22px;
}

/* top bar */
.topbar { display:flex; gap:12px; align-items:center; justify-content:space-between; margin-bottom:14px; }
.topbar h1 { font-size:1.25rem; color:var(--text); }

/* text area */
#inputText {
  width: 100%;
  min-height: 220px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #d9dfee;
  font-size: 16px;
  line-height:1.45;
  resize: vertical;
  color: var(--text);
  background: transparent;
  margin-bottom: 14px;
  transition: background-color .3s ease, color .3s ease, border-color .3s ease;
}

/* Word & Character Counter */
/* ---------- Counter Styling (paste into your CSS file) ---------- */
#counter-container{
  margin-top: 15px;
  margin-bottom: 18px;
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  background: #ffffff;        /* light mode bg */
  color: #000000;             /* light mode text */
  padding: 8px 18px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.06);
  display: inline-block;
  transition: background-color .28s ease, color .28s ease, box-shadow .28s ease;
}

/* thin separator */
#counter-container .counter-sep {
  margin: 0 10px;
  color: rgba(0,0,0,0.35);
}

/* Dark-mode support — covers common dark class names used in examples */
.dark-mode #counter-container,
.dark-theme #counter-container,
body.dark #counter-container {
  background: #0f1213;  /* requested dark background */
  color: #ffffff;       /* white text */
  box-shadow: 0 3px 10px rgba(255,255,255,0.03);
}

.dark-mode #counter-container .counter-sep,
.dark-theme #counter-container .counter-sep,
body.dark #counter-container .counter-sep {
  color: rgba(255,255,255,0.22);
}

/* responsive tweak: full width on small screens */
@media (max-width: 520px) {
  #counter-container { width: calc(100% - 40px); box-sizing: border-box; display: block; }
}

/* controls */
.controls { display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.controls button { padding:10px 14px; border-radius:8px; border:none; background:var(--primary); color:#fff; cursor:pointer; font-size:14px; transition: background-color .18s ease, transform .1s ease, box-shadow .12s ease; }
.controls button:hover { background:var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.06); }

/* theme toggle */
.theme-toggle { background: linear-gradient(90deg,#6c5ce7,#3b82f6); border:none; color:#fff; padding:8px 12px; border-radius:8px; cursor:pointer; }
.theme-toggle:focus { outline: 2px solid rgba(0,0,0,.08); }

/* footer */
.footer-note { margin-top: 12px; text-align:center; color:var(--muted); font-size:13px; }

/* responsive */
@media (max-width:720px) {
  .controls button { flex:1 1 calc(50% - 10px); min-width:120px; }
  .topbar { flex-direction:column; gap:8px; align-items:stretch; }
}

/* Dark mode overrides */
body.dark-mode {
  --bg: #0f1112;
  --panel: #0f1213;
  --text: #e9eef6;
  --primary: #4f8bf9;
  --primary-hover: #2c6ef3;
  --muted: #9aa4b2;
  background-color:#0b0c0d;
}
body.dark-mode #inputText { border-color:#2a2a2a; background-color: rgba(255,255,255,0.02); }
body.dark-mode .container { box-shadow: 0 6px 18px rgba(0,0,0,0.6); }

/* ---------- Responsive enhancements for counter ---------- */
#counter-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  text-align: center;
}

/* Separate each label neatly */
#counter-container span {
  display: inline-block;
  min-width: 90px;
  text-align: center;
}

/* Small screens: stack vertically */
@media (max-width: 520px) {
  #counter-container {
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 10px;
    width: 90%;
    box-sizing: border-box;
  }

  #counter-container span {
    min-width: auto;
    font-size: 15px;
  }
}

#counter-container span {
  transition: color 0.3s ease, background-color 0.3s ease, opacity 0.3s ease;
}

/* Reading time styling */
#readingTime {
  font-weight: 500;
  color: inherit;
}

/* ---------- Smart Text Cleaner Button ---------- */
#cleanTextBtn {
  background-color: #10b981; /* green */
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.15s ease;
}

#cleanTextBtn:hover {
  background-color: #059669;
  transform: translateY(-1px);
}

/* Dark mode compatibility */
.dark-theme #cleanTextBtn {
  background-color: #047857;
  color: #fff;
}

.dark-theme #cleanTextBtn:hover {
  background-color: #10b981;
}