/**
 * LingoPress – Frontend Widget Styles
 * All 4 widget styles + 6 positions + color theming via CSS variables
 *
 * @package LingoPress
 */

/* ============================================================
   CSS VARIABLES (defaults — overridden by inline PHP output)
   ============================================================ */
:root {
  --lp-primary:   #4A90E2;
  --lp-bg:        #ffffff;
  --lp-bg2:       #f8f9fa;
  --lp-text:      #333333;
  --lp-border:    #e2e8f0;
  --lp-shadow:    rgba(0, 0, 0, 0.12);
  --lp-panel-bg:  #ffffff;   /* always defined; overridden by PHP inline style */
  --lp-scale:     1;
  --lp-radius:    12px;
  --lp-radius-sm: 6px;
  --lp-font:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --lp-transition: 0.2s ease;
  --lp-z:         99999;
  --lp-offset-x:  24px;
  --lp-offset-y:  24px;
}

/* ============================================================
   BASE WIDGET
   ============================================================ */
.lingopress-widget {
  font-family: var(--lp-font);
  font-size: calc(14px * var(--lp-scale));
  line-height: 1.4;
  box-sizing: border-box;
  z-index: var(--lp-z);
}

.lingopress-widget *,
.lingopress-widget *::before,
.lingopress-widget *::after {
  box-sizing: border-box;
}

/* ============================================================
   POSITIONS (fixed/floating)
   ============================================================ */
.lingopress-widget:not(.lp-inline) {
  position: fixed;
}

.lingopress-widget.lp-pos-bottom-right  { bottom: var(--lp-offset-y); right:  var(--lp-offset-x); }
.lingopress-widget.lp-pos-bottom-left   { bottom: var(--lp-offset-y); left:   var(--lp-offset-x); }
.lingopress-widget.lp-pos-bottom-center { bottom: var(--lp-offset-y); left: 50%; transform: translateX(-50%); }
.lingopress-widget.lp-pos-top-right     { top:    var(--lp-offset-y); right:  var(--lp-offset-x); }
.lingopress-widget.lp-pos-top-left      { top:    var(--lp-offset-y); left:   var(--lp-offset-x); }
.lingopress-widget.lp-pos-top-center    { top:    var(--lp-offset-y); left: 50%; transform: translateX(-50%); }

.lingopress-widget.lp-inline {
  position: relative;
  display: inline-block;
}

/* ============================================================
   STYLE 1: FLOATING BUTTON
   ============================================================ */
.lp-style-floating {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.lp-style-floating.lp-pos-bottom-left,
.lp-style-floating.lp-pos-top-left {
  align-items: flex-start;
}

/* FAB Button */
.lp-fab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: calc(10px * var(--lp-scale)) calc(16px * var(--lp-scale));
  background: var(--lp-primary);
  color: #fff;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-size: calc(15px * var(--lp-scale));
  font-family: var(--lp-font);
  font-weight: 500;
  box-shadow: 0 4px 16px var(--lp-shadow), 0 1px 4px rgba(0,0,0,0.1);
  transition: transform var(--lp-transition), box-shadow var(--lp-transition);
  white-space: nowrap;
  user-select: none;
  outline: none;
}

.lp-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--lp-shadow);
}

.lp-fab:active  { transform: translateY(0); }

.lp-fab:focus-visible {
  outline: 2px solid var(--lp-primary);
  outline-offset: 3px;
}

.lp-fab-flag {
  font-size: calc(18px * var(--lp-scale));
  line-height: 1;
}

.lp-fab-arrow {
  font-size: calc(10px * var(--lp-scale));
  opacity: 0.8;
  transition: transform var(--lp-transition);
}

.lp-fab[aria-expanded="true"] .lp-fab-arrow {
  transform: rotate(180deg);
}

/* ── Floating Panel ── */
.lp-panel {
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  min-width: calc(200px * var(--lp-scale));
  max-width: calc(300px * var(--lp-scale));
  background: var(--lp-panel-bg, var(--lp-bg));
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  box-shadow: 0 12px 40px var(--lp-shadow);
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px) scale(0.97);
  pointer-events: none;
  transition: opacity var(--lp-transition), transform var(--lp-transition);
  transform-origin: bottom right;
  display: flex;
  flex-direction: column;
}

.lp-style-floating.lp-pos-bottom-left .lp-panel,
.lp-style-floating.lp-pos-top-left    .lp-panel  { right: auto; left: 0; transform-origin: bottom left; }
.lp-style-floating.lp-pos-top-right   .lp-panel,
.lp-style-floating.lp-pos-top-center  .lp-panel  { bottom: auto; top: calc(100% + 10px); transform-origin: top right; }
.lp-style-floating.lp-pos-top-left    .lp-panel  { transform-origin: top left; }

.lp-panel.lp-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
}

/* Scrollable inner list.
   max-height = smaller of 72vh-80px or 560px×scale.
   72vh gives more room than the previous 60vh so more languages are visible
   before the scroll indicator appears on typical screens. */
.lp-panel-inner {
  overflow-y: auto;
  max-height: min(calc(72vh - 80px), calc(560px * var(--lp-scale)));
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  scroll-behavior: smooth;
}

.lp-panel-inner::-webkit-scrollbar       { width: 4px; }
.lp-panel-inner::-webkit-scrollbar-track { background: transparent; }
.lp-panel-inner::-webkit-scrollbar-thumb { background: var(--lp-border); border-radius: 4px; }

/* Scroll indicator — overlaps bottom of list, hidden when fully scrolled */
.lp-scroll-hint {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  height: 28px;
  pointer-events: none;
  margin-top: -28px;
  background: linear-gradient(to bottom, transparent 20%, var(--lp-panel-bg) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 2px;
  transition: opacity 0.2s;
}

.lp-scroll-hint.lp-hidden { opacity: 0; }

.lp-scroll-arrow {
  font-size: 11px;
  color: var(--lp-text);
  opacity: 0.55;
  animation: lp-bounce 1.4s ease-in-out infinite;
  line-height: 1;
  letter-spacing: -2px;
  text-shadow: 0 0 6px var(--lp-panel-bg);
}

@keyframes lp-bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(3px); }
}

/* Language buttons in panel — compact so many fit without scrolling */
.lp-lang-btn {
  display: flex;
  align-items: center;
  gap: calc(7px * var(--lp-scale));
  width: 100%;
  padding: calc(4px * var(--lp-scale)) calc(10px * var(--lp-scale));
  background: transparent;
  border: none;
  border-radius: var(--lp-radius-sm);
  cursor: pointer;
  color: var(--lp-text);
  font-family: var(--lp-font);
  font-size: calc(13px * var(--lp-scale));
  text-align: left;
  transition: background var(--lp-transition), color var(--lp-transition);
  white-space: nowrap;
  line-height: 1.3;
}

.lp-lang-btn:hover {
  background: var(--lp-bg2);
}

.lp-lang-btn.lp-active {
  background: color-mix(in srgb, var(--lp-primary) 12%, transparent);
  color: var(--lp-primary);
  font-weight: 600;
}

.lp-lang-btn .lp-flag { font-size: calc(15px * var(--lp-scale)); }
.lp-lang-btn .lp-name { flex: 1; }

/* ============================================================
   STYLE 2: MINIMAL DROPDOWN (custom — full direction control)
   ============================================================ */
.lp-style-dropdown .lp-dropdown-wrap {
  position: relative;
}

/* Trigger pill button — same look as before */
.lp-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: calc(6px * var(--lp-scale));
  padding: calc(8px * var(--lp-scale)) calc(14px * var(--lp-scale));
  background: var(--lp-bg);
  border: 1.5px solid var(--lp-border);
  border-radius: 50px;
  color: var(--lp-text);
  font-family: var(--lp-font);
  font-size: calc(13px * var(--lp-scale));
  cursor: pointer;
  box-shadow: 0 2px 8px var(--lp-shadow);
  transition: border-color var(--lp-transition), box-shadow var(--lp-transition);
  white-space: nowrap;
  user-select: none;
}

.lp-dropdown-trigger:hover,
.lp-dropdown-trigger:focus-visible {
  border-color: var(--lp-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--lp-primary) 15%, transparent);
  outline: none;
}

.lp-dropdown-trigger .lp-current-flag {
  font-size: calc(16px * var(--lp-scale));
  line-height: 1;
}

.lp-dropdown-arrow {
  font-size: calc(9px * var(--lp-scale));
  opacity: 0.6;
  transition: transform var(--lp-transition);
  margin-left: 2px;
}

.lp-dropdown-trigger[aria-expanded="true"] .lp-dropdown-arrow {
  transform: rotate(180deg);
}

/* ── Dropdown list panel ── */
.lp-dropdown-list {
  display: none;
  position: absolute;
  /* Default: open UPWARD (for bottom-positioned fixed widgets) */
  bottom: calc(100% + 6px);
  left: 0;
  min-width: 100%;
  max-height: min(72vh, calc(360px * var(--lp-scale)));
  overflow-y: auto;
  background: var(--lp-bg);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  box-shadow: 0 8px 32px var(--lp-shadow);
  z-index: calc(var(--lp-z) + 1);
  padding: 4px;
}

.lp-dropdown-list.lp-open {
  display: block;
}

/* Top-positioned and inline widgets: list opens DOWNWARD */
.lp-pos-top-left    .lp-dropdown-list,
.lp-pos-top-center  .lp-dropdown-list,
.lp-pos-top-right   .lp-dropdown-list,
.lp-inline          .lp-dropdown-list {
  bottom: auto;
  top: calc(100% + 6px);
}

/* Scrollbar */
.lp-dropdown-list::-webkit-scrollbar       { width: 4px; }
.lp-dropdown-list::-webkit-scrollbar-track { background: transparent; }
.lp-dropdown-list::-webkit-scrollbar-thumb { background: var(--lp-border); border-radius: 4px; }

/* Dropdown items */
.lp-dropdown-item {
  display: flex;
  align-items: center;
  gap: calc(8px * var(--lp-scale));
  width: 100%;
  padding: calc(6px * var(--lp-scale)) calc(12px * var(--lp-scale));
  background: transparent;
  border: none;
  border-radius: var(--lp-radius-sm);
  cursor: pointer;
  color: var(--lp-text);
  font-family: var(--lp-font);
  font-size: calc(13px * var(--lp-scale));
  text-align: left;
  transition: background var(--lp-transition), color var(--lp-transition);
  white-space: nowrap;
}

.lp-dropdown-item:hover {
  background: var(--lp-bg2);
}

.lp-dropdown-item.lp-active {
  color: var(--lp-primary);
  font-weight: 600;
  background: color-mix(in srgb, var(--lp-primary) 10%, transparent);
}

.lp-dropdown-item .lp-flag { font-size: calc(16px * var(--lp-scale)); }
.lp-dropdown-item .lp-name { flex: 1; }

/* Dark / Ocean / Forest schemes: items get correct text in dark context */
.lp-scheme-dark  .lp-dropdown-list,
.lp-scheme-ocean .lp-dropdown-list,
.lp-scheme-forest .lp-dropdown-list {
  color-scheme: dark;
}

/* ============================================================
   STYLE 3: FLAG ROW  (hover/click to expand)
   ============================================================ */
.lp-style-flags .lp-flags-row {
  display: flex;
  flex-wrap: nowrap;
  gap: calc(4px * var(--lp-scale));
  align-items: center;
  background: var(--lp-bg);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: calc(6px * var(--lp-scale)) calc(10px * var(--lp-scale));
  box-shadow: 0 2px 8px var(--lp-shadow);
  cursor: pointer;
  /* Collapsed: only active button shows. Width clips smoothly. */
  overflow: hidden;
  transition: padding var(--lp-transition);
}

/* Collapsed: hide non-active buttons */
.lp-style-flags .lp-flags-row:not(.lp-expanded) .lp-flag-btn:not(.lp-active) {
  display: none;
}

/* Collapsed: active button gets a small "expand" caret hint */
.lp-style-flags .lp-flags-row:not(.lp-expanded) .lp-flag-btn.lp-active::after {
  content: ' ▾';
  font-size: calc(10px * var(--lp-scale));
  opacity: 0.5;
}

/* Expanded: all buttons visible */
.lp-style-flags .lp-flags-row.lp-expanded {
  flex-wrap: wrap;
}

.lp-flag-btn {
  display: flex;
  align-items: center;
  gap: calc(4px * var(--lp-scale));
  padding: calc(5px * var(--lp-scale)) calc(8px * var(--lp-scale));
  background: transparent;
  border: 1.5px solid transparent;
  border-radius: var(--lp-radius-sm);
  cursor: pointer;
  color: var(--lp-text);
  font-family: var(--lp-font);
  font-size: calc(13px * var(--lp-scale));
  transition: all var(--lp-transition);
  white-space: nowrap;
}

.lp-flag-btn:hover {
  background: var(--lp-bg2);
  border-color: var(--lp-border);
}

.lp-flag-btn.lp-active {
  background: color-mix(in srgb, var(--lp-primary) 10%, transparent);
  border-color: color-mix(in srgb, var(--lp-primary) 40%, transparent);
  color: var(--lp-primary);
  font-weight: 600;
}

.lp-flag-btn .lp-flag { font-size: calc(18px * var(--lp-scale)); }

/* ============================================================
   STYLE 4: INLINE BAR
   ============================================================ */
.lp-style-inline .lp-inline-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  background: var(--lp-bg);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px var(--lp-shadow);
}

.lp-inline-label {
  padding: calc(8px * var(--lp-scale)) calc(12px * var(--lp-scale));
  font-size: calc(11px * var(--lp-scale));
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--lp-text);
  opacity: 0.5;
  white-space: nowrap;
  border-right: 1px solid var(--lp-border);
}

.lp-inline-btn {
  display: flex;
  align-items: center;
  gap: calc(4px * var(--lp-scale));
  padding: calc(8px * var(--lp-scale)) calc(12px * var(--lp-scale));
  background: transparent;
  border: none;
  border-right: 1px solid var(--lp-border);
  cursor: pointer;
  color: var(--lp-text);
  font-family: var(--lp-font);
  font-size: calc(12px * var(--lp-scale));
  transition: background var(--lp-transition), color var(--lp-transition);
  white-space: nowrap;
}

.lp-inline-btn:last-of-type { border-right: none; }
.lp-inline-btn:hover { background: var(--lp-bg2); }

.lp-inline-btn.lp-active {
  background: var(--lp-primary);
  color: #fff;
  font-weight: 600;
}

.lp-inline-btn .lp-flag { font-size: calc(14px * var(--lp-scale)); }

/* ============================================================
   POWERED BY attribution
   Google requires attribution — always visible outside scroll area.
   ============================================================ */
.lp-powered-by {
  flex-shrink: 0;
  padding: calc(4px * var(--lp-scale)) calc(12px * var(--lp-scale));
  border-top: 1px solid var(--lp-border);
  text-align: center;
  background: var(--lp-panel-bg);
}

.lp-powered-by a {
  font-size: calc(10px * var(--lp-scale));
  color: var(--lp-text);
  opacity: 0.45;
  text-decoration: none;
  transition: opacity var(--lp-transition);
}

.lp-powered-by a:hover { opacity: 0.7; }

/* In dropdown: powered-by sits below the trigger, not in the list */
.lp-style-dropdown .lp-powered-by {
  border-top: none;
  padding: calc(3px * var(--lp-scale)) calc(6px * var(--lp-scale));
  text-align: left;
  background: transparent;
}

.lp-style-flags   .lp-powered-by,
.lp-style-inline  .lp-powered-by {
  border-top: none;
  border-left: 1px solid var(--lp-border);
  padding: calc(5px * var(--lp-scale)) calc(10px * var(--lp-scale));
  background: transparent;
}

/* ============================================================
   LOADING OVERLAY (DeepL)
   ============================================================ */
.lp-loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--lp-bg);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 20px 28px;
  box-shadow: 0 16px 48px var(--lp-shadow);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: calc(var(--lp-z) + 1);
  font-family: var(--lp-font);
  color: var(--lp-text);
  font-size: 14px;
  pointer-events: none;
}

.lp-spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid var(--lp-border);
  border-top-color: var(--lp-primary);
  border-radius: 50%;
  animation: lp-spin 0.7s linear infinite;
  flex-shrink: 0;
}

@keyframes lp-spin {
  to { transform: rotate(360deg); }
}

/* ============================================================
   GOOGLE TRANSLATE – Hide native widget bar completely
   ============================================================ */
.goog-te-banner-frame,
.skiptranslate,
#goog-gt-tt,
.goog-te-balloon-frame,
.goog-tooltip,
.goog-tooltip:hover {
  display: none !important;
  visibility: hidden !important;
}

body { top: 0 !important; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
  .lingopress-widget.lp-pos-bottom-center,
  .lingopress-widget.lp-pos-top-center {
    left: 12px;
    right: 12px;
    transform: none;
  }

  .lp-style-flags .lp-flags-row,
  .lp-style-inline .lp-inline-bar {
    max-width: calc(100vw - 24px);
    overflow-x: auto;
  }

  .lp-panel { max-width: calc(100vw - 48px); }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .lp-fab,
  .lp-panel,
  .lp-lang-btn,
  .lp-flag-btn,
  .lp-inline-btn,
  .lp-dropdown-trigger,
  .lp-dropdown-list { transition: none; }
  .lp-spinner { animation-duration: 1.5s; }
  .lp-scroll-arrow,
  .lp-bounce { animation: none; }
}