/* ============================================================
   [TT-CSS-001] telugutyping_style.css
   Purpose : Styles for the TeluguTyping widget — paired English
             input and Telugu output panel with four layout modes.
   Notes   : All selectors are prefixed .tt- to avoid collisions.
             CSS custom properties (--tt-*) are scoped per instance
             via get_style_vars() in 452__telugu_typing.php.
   ============================================================ */

/* ---- Default custom properties ---- */

.tt-wrap {
  --tt-font-family:        Arial, sans-serif;
  --tt-font-size:          0.95rem;
  --tt-font-size-telugu:   1.3rem;
  --tt-color-primary:      #2a4a8a;
  --tt-color-bg:           #f8f9fd;
  --tt-color-border:       #b0c4de;
  --tt-color-text:         #333333;
  --tt-padding:            1.0rem;
  --tt-margin:             0;
  --tt-margin-top:         0;
  --tt-margin-left:        0;
  --tt-gap:                0.8rem;
  --tt-textbox-width:      100%;
  --tt-textbox-height:     5rem;
  --tt-telugu-min-height:  5rem;

  font-family: var(--tt-font-family);
  font-size:   var(--tt-font-size);
  color:       var(--tt-color-text);
  box-sizing:  border-box;
  margin-top:  var(--tt-margin-top);
  margin-left: var(--tt-margin-left);
}

/* ---- Outer box ---- */

.tt-layout {
  display:       flex;
  gap:           var(--tt-gap);
  padding:       var(--tt-padding);
  background:    var(--tt-color-bg);
  border:        1px solid var(--tt-color-border);
  border-radius: 7px;
}

/* Position variants — control where Telugu appears relative to English */
.tt-layout-below   { flex-direction: column; }
.tt-layout-above   { flex-direction: column-reverse; }
.tt-layout-right   { flex-direction: row;         align-items: flex-start; }
.tt-layout-left    { flex-direction: row-reverse; align-items: flex-start; }

/* ---- Panels ---- */

.tt-english-panel,
.tt-telugu-panel {
  flex:       1;
  min-width:  0;
  box-sizing: border-box;
}

/* ---- Panel label ---- */

.tt-label {
  display:        block;
  font-size:      0.72rem;
  font-weight:    600;
  color:          var(--tt-color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom:  0.3rem;
}

/* ---- English textarea ---- */

.tt-textarea {
  width:         var(--tt-textbox-width);
  height:        var(--tt-textbox-height);
  padding:       0.4rem 0.55rem;
  border:        1px solid var(--tt-color-border);
  border-radius: 4px;
  font-size:     var(--tt-font-size);
  font-family:   var(--tt-font-family);
  color:         var(--tt-color-text);
  resize:        vertical;
  box-sizing:    border-box;
}

.tt-textarea:focus {
  outline:      2px solid var(--tt-color-primary);
  border-color: var(--tt-color-primary);
}

/* ---- Telugu output ---- */

.tt-telugu-output {
  min-height:    var(--tt-telugu-min-height);
  width:         var(--tt-textbox-width);
  padding:       0.4rem 0.55rem;
  border:        1px solid var(--tt-color-border);
  border-radius: 4px;
  font-size:     var(--tt-font-size-telugu);
  font-family:   Mallanna, Gautami, 'Noto Sans Telugu', sans-serif;
  color:         var(--tt-color-primary);
  background:    #eef4ff;
  white-space:   pre-wrap;
  line-height:   1.65;
  box-sizing:    border-box;
  overflow-y:    auto;
}

.tt-telugu-placeholder {
  color:       #aab8d0;
  font-style:  italic;
  font-size:   0.85rem;
  font-family: var(--tt-font-family);
}

/* ---- Hint text ---- */

.tt-hint {
  font-size:  0.72rem;
  color:      #999;
  margin-top: 0.22rem;
}

/* ---- Save controls ---- */

.tt-save-wrap {
  display:     flex;
  align-items: center;
  gap:         0.6rem;
  margin-top:  0.65rem;
}

.tt-save-btn {
  padding:       0.3rem 1.1rem;
  background:    var(--tt-color-primary);
  color:         #fff;
  border:        none;
  border-radius: 4px;
  font-size:     0.85rem;
  cursor:        pointer;
  transition:    background 0.15s;
}

.tt-save-btn:hover    { filter: brightness(1.15); }
.tt-save-btn:disabled { background: #aaa; cursor: not-allowed; }

.tt-save-msg         { font-size: 0.82rem; color: #2e8b2e; }
.tt-save-msg.tt-err  { color: #b04000; }

/* ---- Toggle button ---- */

.tt-toggle-btn {
  display:       inline-block;
  padding:       0.3rem 1.1rem;
  background:    var(--tt-color-primary, #2a4a8a);
  color:         #fff;
  border:        none;
  border-radius: 4px;
  font-size:     0.88rem;
  cursor:        pointer;
  transition:    background 0.15s;
  font-family:   Arial, sans-serif;
}

.tt-toggle-btn:hover { filter: brightness(1.15); }

/* ---- Collapsible wrapper ---- */

.tt-collapsible {
  max-height: 0;
  overflow:   hidden;
  transition: max-height 0.35s ease;
}

.tt-collapsible.tt-open {
  max-height: 1200px;
}