/* ============================================
   style.css — LinguaKeys
   Poppins font, lighter text, virtual keyboard
   ============================================ */

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --bg3: #1a1a24;
  --card: #16161f;
  --border: #2a2a3a;
  --accent: #ff6b35;
  --accent2: #ff9500;
  --text: #e8e8f0;
  --text2: #b0b0c8;
  --text3: #6a6a85;
  --success: #00d4aa;
  --font: 'Poppins', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  background-image:
    linear-gradient(rgba(255,107,53,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,53,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================
   HEADER
   ============================================ */
.header {
  text-align: center;
  padding: 48px 20px 32px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.logo-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 0 30px rgba(255,107,53,0.3);
}

.logo-text {
  font-family: var(--font);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--text) 30%, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--text3);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

.section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text3);
  margin-bottom: 12px;
  display: block;
}

/* ============================================
   LANGUAGE SELECTOR — Redesigned
   ============================================ */
.lang-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.lang-picker-row {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 16px;
  align-items: start;
  margin-bottom: 16px;
}

.lang-picker {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.picker-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text3);
}

/* Search input inside lang picker */
.lang-search-wrap {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  pointer-events: none;
}

.lang-search-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  padding: 8px 12px 8px 30px;
  outline: none;
  transition: border-color 0.2s;
}

.lang-search-input:focus {
  border-color: var(--accent);
}

.lang-search-input::placeholder {
  color: var(--text3);
}

/* Scrollable select */
.lang-select {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-family: var(--font);
  font-size: 13.5px;
  padding: 6px 4px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
  height: 180px; /* Show ~6 options */
}

.lang-select:focus {
  border-color: var(--accent);
}

.lang-select option {
  background: var(--bg3);
  color: var(--text2);
  padding: 6px 10px;
}

.lang-select option:checked {
  background: rgba(255,107,53,0.2);
  color: var(--accent);
}

.lang-select optgroup {
  color: var(--text3);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* SWAP BUTTON */
.swap-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding-top: 42px;
}

.swap-btn {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 18px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.2s;
  box-shadow: 0 0 20px rgba(255,107,53,0.3);
}

.swap-btn:hover {
  transform: rotate(180deg);
  box-shadow: 0 0 30px rgba(255,107,53,0.5);
}

.swap-label {
  font-size: 10px;
  color: var(--text3);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Selected langs pill bar */
.selected-langs-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  flex-wrap: wrap;
}

.sel-from, .sel-to {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.sel-from { color: var(--accent2); }
.sel-to { color: var(--success); }

.sel-arrow {
  color: var(--text3);
  font-size: 16px;
}

.lang-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text3);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 10px;
}

/* ============================================
   EDITOR
   ============================================ */
.editor-wrapper {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  align-items: stretch;
  margin-bottom: 16px;
}

.editor-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.box-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text3);
}

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text2);
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,107,53,0.08);
}
.icon-btn.recording {
  border-color: #ff4444;
  color: #ff4444;
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,68,68,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(255,68,68,0); }
}

.output-actions {
  display: flex;
  gap: 6px;
}

.text-area {
  flex: 1;
  padding: 20px;
  font-family: var(--font);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text);
  outline: none;
  resize: none;
  background: transparent;
  min-height: 180px;
  position: relative;
}

.text-area:empty::before {
  content: attr(placeholder);
  color: var(--text3);
  pointer-events: none;
  font-size: 15px;
  font-style: italic;
}

.output-area {
  cursor: default;
  color: var(--success);
  font-size: 20px;
  letter-spacing: 0.5px;
}

.placeholder-text {
  color: var(--text3);
  font-size: 14px;
  font-style: italic;
}

.box-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg3);
}

.box-footer span {
  font-size: 12px;
  color: var(--text3);
}

.clear-btn, .download-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text3);
  font-size: 11px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
}
.clear-btn:hover { border-color: #ff4444; color: #ff4444; }
.download-btn:hover { border-color: var(--success); color: var(--success); }

.arrow-middle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.arrow-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
  box-shadow: 0 0 20px rgba(255,107,53,0.3);
  transition: transform 0.3s;
}
.arrow-icon.converting { animation: spin 1s linear infinite; }
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.arrow-label {
  font-size: 10px;
  color: var(--text3);
  text-align: center;
  font-weight: 500;
}

/* ============================================
   SUGGESTIONS BAR
   ============================================ */
.suggestions-bar {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
}

.suggestions-label {
  font-size: 10px;
  color: var(--text3);
  white-space: nowrap;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.suggestions-list { display: flex; flex-wrap: wrap; gap: 8px; }

.suggestion-chip {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}
.suggestion-chip:hover {
  background: rgba(255,107,53,0.1);
  border-color: var(--accent);
  color: var(--accent);
}

/* ============================================
   VIRTUAL KEYBOARD
   ============================================ */
.vkb-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.vkb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0;
  flex-wrap: wrap;
  gap: 10px;
}

.vkb-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vkb-toggle-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.vkb-toggle-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255,107,53,0.08);
}
.vkb-toggle-btn:hover { border-color: var(--accent); color: var(--accent); }

.vkb-lang-select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  font-family: var(--font);
  font-size: 12px;
  padding: 6px 12px;
  outline: none;
  cursor: pointer;
}
.vkb-lang-select:focus { border-color: var(--accent); }

/* Keyboard container */
.virtual-keyboard {
  margin-top: 16px;
  display: none; /* toggled by JS */
  flex-direction: column;
  gap: 6px;
}

.virtual-keyboard.visible { display: flex; }

/* Each row of keys */
.vkb-row {
  display: flex;
  gap: 5px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Individual key */
.vkb-key {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text2);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  min-width: 40px;
  height: 42px;
  padding: 0 10px;
  cursor: pointer;
  transition: all 0.12s;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  position: relative;
}

.vkb-key:hover {
  background: rgba(255,107,53,0.12);
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,107,53,0.2);
}

.vkb-key:active {
  transform: translateY(0);
  background: rgba(255,107,53,0.25);
}

/* Special keys */
.vkb-key.key-space { min-width: 200px; font-size: 11px; color: var(--text3); }
.vkb-key.key-backspace { min-width: 60px; color: #ff6b6b; }
.vkb-key.key-enter { min-width: 70px; color: var(--success); }
.vkb-key.key-shift { min-width: 70px; }
.vkb-key.key-shift.active { background: rgba(255,107,53,0.2); border-color: var(--accent); color: var(--accent); }
.vkb-key.key-caps { min-width: 65px; }
.vkb-key.key-caps.active { background: rgba(0,212,170,0.2); border-color: var(--success); color: var(--success); }

/* Emoji key sizing */
.vkb-key.key-emoji { font-size: 20px; min-width: 46px; }

/* ============================================
   QUICK PHRASES
   ============================================ */
.quick-phrases {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.phrases-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

.phrase-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text2);
  font-size: 13px;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font);
}
.phrase-btn:hover {
  border-color: var(--accent2);
  color: var(--accent2);
  background: rgba(255,149,0,0.08);
}

/* ============================================
   HISTORY
   ============================================ */
.history-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.clear-history-btn {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font);
  transition: color 0.2s;
}
.clear-history-btn:hover { color: #ff4444; }

.empty-history {
  color: var(--text3);
  font-size: 13px;
  text-align: center;
  padding: 20px 0;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 300px;
  overflow-y: auto;
}

.history-item {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
}
.history-item:hover {
  border-color: var(--accent);
  background: rgba(255,107,53,0.05);
}

.history-original { font-size: 13px; color: var(--text2); flex: 1; }
.history-arrow { color: var(--text3); font-size: 12px; }
.history-converted { font-size: 15px; color: var(--success); flex: 1; text-align: right; }
.history-lang {
  font-size: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  color: var(--text3);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--text3);
  font-size: 13px;
}

/* ============================================
   TOAST
   ============================================ */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--success);
  color: #000;
  font-size: 13px;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 999;
  font-family: var(--font);
}
.toast.show { transform: translateY(0); opacity: 1; }

/* ============================================
   RESPONSIVE — TABLET
   ============================================ */
@media (max-width: 768px) {
  /* Header */
  .header { padding: 28px 16px 20px; }
  .logo-text { font-size: 26px; }
  .tagline { font-size: 12px; }

  /* Container */
  .container { padding: 0 12px 40px; }

  /* Lang section */
  .lang-section { padding: 16px; }
  .lang-picker-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .swap-wrapper {
    flex-direction: row;
    padding-top: 0;
    justify-content: center;
  }
  .lang-select { height: 140px; }

  /* Editor */
  .editor-wrapper {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .arrow-middle {
    flex-direction: row;
    justify-content: center;
    padding: 4px 0;
  }
  .arrow-icon { transform: rotate(90deg); }
  .editor-box { min-height: 200px; }
  .text-area { font-size: 16px; padding: 14px; min-height: 130px; }

  /* Selected langs bar */
  .selected-langs-bar { flex-wrap: wrap; gap: 8px; padding: 10px 12px; }
  .lang-count { margin-left: 0; }

  /* Suggestions */
  .suggestions-bar { flex-wrap: wrap; padding: 10px 14px; }

  /* Virtual keyboard */
  .vkb-section { padding: 14px 12px; }
  .vkb-header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .vkb-controls { width: 100%; justify-content: space-between; }
  .vkb-toggle-btn { flex: 1; text-align: center; }
  .vkb-lang-select { flex: 1; }
  .vkb-key { min-width: 30px; height: 38px; font-size: 12px; padding: 0 5px; }
  .vkb-key.key-space { min-width: 110px; font-size: 10px; }
  .vkb-key.key-backspace { min-width: 50px; }
  .vkb-key.key-enter { min-width: 54px; }
  .vkb-key.key-shift { min-width: 54px; }
  .vkb-key.key-caps { min-width: 50px; }
  .vkb-row { gap: 4px; }
  .virtual-keyboard { gap: 5px; }

  /* Quick phrases */
  .quick-phrases { padding: 14px 16px; }
  .phrase-btn { font-size: 12px; padding: 6px 12px; }

  /* History */
  .history-section { padding: 14px 16px; }
  .history-item { padding: 10px 12px; gap: 8px; }
  .history-original { font-size: 12px; }
  .history-converted { font-size: 13px; }

  /* Footer */
  .footer { font-size: 11px; padding: 16px; }

  /* Toast */
  .toast { bottom: 16px; right: 16px; left: 16px; text-align: center; }

  /* Box footer */
  .box-footer { flex-wrap: wrap; gap: 6px; padding: 10px 14px; }
}

/* ============================================
   RESPONSIVE — MOBILE (small screens)
   ============================================ */
@media (max-width: 480px) {
  .header { padding: 20px 12px 16px; }
  .logo-icon { width: 40px; height: 40px; font-size: 18px; }
  .logo-text { font-size: 22px; }

  .container { padding: 0 8px 32px; }

  /* Language section — stack compactly */
  .lang-section { padding: 12px 10px; border-radius: 12px; }
  .lang-search-input { font-size: 12px; padding: 7px 10px 7px 28px; }
  .lang-select { height: 120px; font-size: 12px; }
  .picker-label { font-size: 9px; }

  /* Swap button smaller */
  .swap-btn { width: 38px; height: 38px; font-size: 15px; }

  /* Editor boxes */
  .editor-box { border-radius: 12px; min-height: 160px; }
  .text-area { font-size: 15px; padding: 12px; min-height: 110px; }
  .box-header { padding: 10px 12px; }
  .box-label { font-size: 9px; }
  .icon-btn { width: 28px; height: 28px; font-size: 13px; }

  /* Arrow */
  .arrow-icon { width: 36px; height: 36px; font-size: 15px; }
  .arrow-label { font-size: 9px; }

  /* Virtual keyboard — very compact */
  .vkb-section { padding: 10px 8px; border-radius: 12px; }
  .vkb-key { min-width: 26px; height: 34px; font-size: 11px; padding: 0 3px; border-radius: 6px; }
  .vkb-key.key-space { min-width: 90px; font-size: 9px; }
  .vkb-key.key-backspace { min-width: 44px; }
  .vkb-key.key-enter { min-width: 46px; }
  .vkb-key.key-shift, .vkb-key.key-caps { min-width: 44px; }
  .vkb-key.key-emoji { font-size: 16px; min-width: 36px; }
  .vkb-row { gap: 3px; }
  .virtual-keyboard { gap: 4px; }

  /* Phrases */
  .phrases-list { gap: 6px; }
  .phrase-btn { font-size: 11px; padding: 5px 10px; }

  /* History */
  .history-item { flex-wrap: wrap; }
  .history-original, .history-converted { flex: unset; width: 100%; }
  .history-arrow { display: none; }
  .history-converted { color: var(--success); border-top: 1px solid var(--border); padding-top: 4px; margin-top: 2px; text-align: left; }

  /* Selected langs bar */
  .sel-from, .sel-to { font-size: 12px; }

  /* Suggestions chips */
  .suggestion-chip { font-size: 12px; padding: 3px 10px; }

  /* Section labels */
  .section-label { font-size: 9px; }

  .quick-phrases { padding: 12px 10px; border-radius: 12px; }
  .history-section { padding: 12px 10px; border-radius: 12px; }
  .suggestions-bar { border-radius: 10px; padding: 8px 12px; }
}