/* Cham Unicode Converter - clean, responsive, WordPress-friendly */
:root{
  --accent:#0f6a3a;

  --bg:#0b0f14;
  --card:#0f1722;
  --card2:#0c131d;
  --text:#e8eef7;
  --muted:#a8b3c7;
  --line:rgba(255,255,255,.08);
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --primary:#4f8cff;
  --primary2:#2f6fff;
  --danger:#ff5b5b;
  --ok:#31d58a;
  --warn:#ffd24a;
  --radius:18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Noto Sans Cham", sans-serif;
}

[data-theme="light"]{
  --bg:#f6f7fb;
  --card:#ffffff;
  --card2:#f3f5fa;
  --text:#0b1220;
  --muted:#55637a;
  --line:rgba(15,20,30,.10);
  --shadow:0 10px 30px rgba(15,20,30,.10);
  --primary:#2563eb;
  --primary2:#1d4ed8;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: var(--bg);
  color:var(--text);
  font-family:var(--sans);
}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 18px;
  background: var(--card);
  border-bottom:1px solid var(--line);
}

[data-theme="light"] .topbar{
  background: var(--card);
}

.brand{display:flex; gap:12px; align-items:center}
.logo{
  width:42px; height:42px; border-radius:14px;
  display:grid; place-items:center;
  background:linear-gradient(135deg, rgba(79,140,255,.18), rgba(49,213,138,.12));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  font-size:22px;
}
.title{font-weight:750; letter-spacing:.2px}
.subtitle{font-size:12px; color:var(--muted); margin-top:2px}

.top-actions{display:flex; gap:10px}

.wrap{max-width:1200px; margin:18px auto; padding:0 14px 40px}

.panel{
  background:linear-gradient(180deg, var(--card), var(--card2));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.panel-head{
  padding:14px 14px 10px;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap;
  border-bottom:1px solid var(--line);
}

.mode{display:flex; gap:10px; align-items:center}
.pill{
  font-size:12px; padding:6px 10px; border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  color:var(--muted);
}

.seg{
  display:flex;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  overflow:hidden;
}

.segbtn{
  border:0; background:transparent; color:var(--text);
  padding:8px 12px; font-size:13px; cursor:pointer;
  transition:background .15s ease, color .15s ease;
}
.segbtn.active{
  background: rgba(255,255,255,.08);
  color: var(--text);
}
[data-theme="light"] .segbtn.active{
  background:linear-gradient(180deg, rgba(37,99,235,.22), rgba(37,99,235,.12));
}

.mini{display:flex; gap:14px; align-items:center}
.chk{display:flex; gap:8px; align-items:center; font-size:13px; color:var(--muted); user-select:none}
.chk input{accent-color:var(--primary)}

.grid{
  display:grid;
  grid-template-columns: 1fr 132px 1fr;
  gap:12px;
  padding:14px;
}

.box{
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.03);
  overflow:hidden;
  min-height:340px;
  display:flex; flex-direction:column;
}

.box-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 10px 8px;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02);
}

.box-title{font-weight:700}
.box-tools{display:flex; gap:8px}

textarea{
  width:100%;
  flex:1;
  resize:none;
  border:0;
  outline:none;
  padding:12px;
  font-size:16px;
  line-height:1.5;
  background:transparent;
  color:var(--text);
  font-family:var(--sans);
}
textarea[readonly]{opacity:.96}

.meta{
  padding:8px 12px 10px;
  color:var(--muted);
  font-size:12px;
  border-top:1px solid var(--line);
  font-family:var(--mono);
}

.mid{
  display:flex; flex-direction:column;
  align-items:stretch; justify-content:center;
  gap:10px;
  padding:6px;
}

.btn{
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  color:var(--text);
  border-radius:14px;
  padding:10px 12px;
  cursor:pointer;
  font-weight:650;
  transition:transform .06s ease, background .12s ease, border-color .12s ease;
}
.btn:hover{background:rgba(255,255,255,.10)}
.btn:active{transform:translateY(1px)}
.btn.small{padding:7px 10px; border-radius:12px; font-weight:700}
.btn.ghost{padding:8px 10px; border-radius:12px}
.btn.primary{
  border-color: var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
}
.btn.primary:hover{filter:brightness(1.04)}
.btn.danger{border-color:rgba(255,91,91,.45); background:rgba(255,91,91,.12)}

.status{
  font-size:12px;
  color:var(--muted);
  border:1px dashed var(--line);
  border-radius:14px;
  padding:10px 12px;
  text-align:center;
}

.actions{
  display:flex; gap:10px;
  padding:14px;
  border-top:1px solid var(--line);
  flex-wrap:wrap;
}

.help{padding:16px 16px 20px}
.help h2{margin:0 0 8px}
.help h3{margin:18px 0 10px}
.help ul{margin:10px 0 0; padding-left:18px; color:var(--muted)}
.help li{margin:6px 0}
.examples{display:flex; gap:10px; flex-wrap:wrap}
.ex{
  border:1px solid var(--line);
  background:rgba(255,255,255,.06);
  padding:8px 10px; border-radius:999px;
  cursor:pointer; color:var(--text);
  font-family:var(--mono);
}
.note{margin:14px 0 0; color:var(--muted)}
code{font-family:var(--mono); font-size:12px; padding:2px 6px; border:1px solid var(--line); border-radius:8px; background:rgba(255,255,255,.04)}

/* Responsive */
@media (max-width: 980px){
  .grid{grid-template-columns:1fr; }
  .mid{flex-direction:row; justify-content:space-between}
  .mid .btn{flex:1}
  .box{min-height:280px}
}

/* Print (print output only) */
@media print{
  body{background:white}
  .topbar, .panel-head, .grid .box:first-child, .mid, .actions, #helpPanel{display:none !important}
  .wrap{max-width:none; margin:0; padding:0}
  .panel{box-shadow:none; border:0}
  .grid{grid-template-columns:1fr; padding:0}
  .box{border:0; border-radius:0}
  textarea{font-size:14px; color:#000}
  .meta{color:#444}
}


/* Clean mode tweaks (v1.0.2) */
.btn, .ex{
  background: transparent;
}
.btn:hover, .ex:hover{
  background: rgba(255,255,255,.06);
}
[data-theme="light"] .btn:hover, [data-theme="light"] .ex:hover{
  background: rgba(15,20,30,.06);
}
.btn.ghost{
  background: transparent !important;
}
.btn.small{
  background: transparent !important;
}
.logo{
  background: transparent;
  box-shadow:none;
}


/* Space-saving buttons (v1.0.3) */
.mid .btn{
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 13px;
}
.actions .btn{
  padding: 8px 10px;
  border-radius: 12px;
  font-size: 13px;
}
.btn.small{
  padding: 6px 9px;
  border-radius: 11px;
  font-size: 13px;
}
@media (max-width: 980px){
  .mid .btn{ font-size: 13px; padding: 8px 10px; }
  .actions .btn{ font-size: 13px; padding: 8px 10px; }
}


/* v1.0.5 - Dark green logo button */
.logo{
  background: rgba(15,106,58,.14) !important;
  border-color: rgba(15,106,58,.28) !important;
  color: var(--accent) !important;
}
[data-theme="dark"] .logo{
  background: rgba(49,213,138,.10) !important;
  border-color: rgba(49,213,138,.25) !important;
  color: #31d58a !important;
}


/* v1.0.6 - Icon polish */
.ico{
  width:16px;
  height:16px;
  display:inline-block;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.btn{
  color: var(--muted);
}
.btn.primary{
  color: var(--text);
}
.btn .btntext{
  margin-left:8px;
  font-weight:700;
  letter-spacing:.1px;
}
.btn.iconbtn{
  padding:8px 10px;
  border-radius:12px;
}
.box-tools .btn.small{
  padding:7px 9px;
  color: var(--muted);
}
.box-tools .btn.small:hover,
.actions .btn:hover,
.mid .btn:hover,
.btn.iconbtn:hover{
  color: var(--text);
}
.panel-head .mode{
  display:flex;
  align-items:center;
  gap:10px;
}


/* v1.0.7 - Force remove theme "blue button" styles (WordPress themes often override <button>) */
.chamconv-app button,
.chamconv-app .btn,
.chamconv-app .segbtn,
.chamconv-app .ex{
  -webkit-appearance: none;
  appearance: none;
  background: transparent !important;
  box-shadow: none !important;
  text-shadow: none !important;
}

/* Direction tabs: neutral, no blue fill */
.chamconv-app .seg{
  background: rgba(255,255,255,.04) !important;
  border: 1px solid var(--line) !important;
}
.chamconv-app .segbtn{
  background: transparent !important;
  border: 0 !important;
  color: var(--muted) !important;
}
.chamconv-app .segbtn.active{
  background: rgba(255,255,255,.10) !important;
  color: var(--text) !important;
}

/* Main buttons: neutral pills (no blue cover) */
.chamconv-app .btn{
  background: rgba(255,255,255,.04) !important;
  border: 1px solid var(--line) !important;
  color: var(--text) !important;
}
.chamconv-app .btn:hover{
  background: rgba(255,255,255,.08) !important;
}
[data-theme="light"] .chamconv-app .btn{
  background: rgba(15,20,30,.04) !important;
}
[data-theme="light"] .chamconv-app .btn:hover{
  background: rgba(15,20,30,.08) !important;
}

/* Convert / Swap: keep subtle, no gradients */
.chamconv-app .btn.primary{
  background: rgba(255,255,255,.06) !important;
  border-color: rgba(15,20,30,.15) !important;
  color: var(--text) !important;
}
[data-theme="light"] .chamconv-app .btn.primary{
  border-color: rgba(15,20,30,.18) !important;
}

/* Dark theme: more professional (less flat, better contrast) */
:root{
  --dark-bg:#0b0f14;
  --dark-card:#0f1722;
  --dark-card2:#0b121b;
  --dark-line: rgba(255,255,255,.10);
  --dark-text:#eaf1ff;
  --dark-muted:#9fb0cc;
}
html[data-theme="dark"] body{
  background: radial-gradient(900px 500px at 20% -10%, rgba(49,213,138,.10), transparent 60%),
              radial-gradient(900px 500px at 90% 0%, rgba(79,140,255,.10), transparent 55%),
              var(--dark-bg);
}
html[data-theme="dark"] .chamconv-app{
  --bg: var(--dark-bg);
  --card: var(--dark-card);
  --card2: var(--dark-card2);
  --line: var(--dark-line);
  --text: var(--dark-text);
  --muted: var(--dark-muted);
}
html[data-theme="dark"] .chamconv-app .panel{
  background: linear-gradient(180deg, rgba(15,23,34,.98), rgba(11,18,27,.98)) !important;
  box-shadow: 0 12px 30px rgba(0,0,0,.45);
}
html[data-theme="dark"] .chamconv-app textarea{
  color: var(--text);
}
html[data-theme="dark"] .chamconv-app .meta{
  color: var(--muted);
}

/* Mobile: keep icons neat in one line */
@media (max-width: 520px){
  .chamconv-app .panel-head{
    gap:10px;
  }
  .chamconv-app .mode{
    width:100%;
    justify-content:space-between;
  }
  .chamconv-app .seg{
    flex:1;
    max-width: 260px;
  }
  .chamconv-app .segbtn{
    padding:8px 10px !important;
    font-size: 13px !important;
    white-space: nowrap;
  }
  .chamconv-app .btn.iconbtn{
    padding:8px 10px !important;
  }

  .chamconv-app .box-tools{
    gap:6px !important;
    flex-wrap: nowrap !important;
  }
  .chamconv-app .box-tools .btn.small{
    width:34px;
    height:34px;
    padding:0 !important;
    display:flex;
    align-items:center;
    justify-content:center;
  }

  .chamconv-app .actions{
    gap:8px !important;
  }
  .chamconv-app .actions .btn{
    flex:1;
    justify-content:center;
    display:flex;
    align-items:center;
  }
  .chamconv-app .actions .btn .btntext{ margin-left:6px; }
}