/* keyboard.css — YourIQAI Universal Keyboard + 190 Languages */

/* ── USA 250th Anniversary Banner ── */
.usa-banner {
  background: linear-gradient(135deg, #0a1628 0%, #1a0a0a 50%, #0a1628 100%);
  border-bottom: 2px solid #c8a84b;
  padding: 20px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.usa-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(178,34,34,0.06) 0px, rgba(178,34,34,0.06) 1px,
    transparent 1px, transparent 40px
  );
  pointer-events: none;
}
.usa-banner .banner-stars {
  font-size: 1rem; letter-spacing: 6px; color: #c8a84b; margin-bottom: 6px;
}
.usa-banner h2 {
  font-size: clamp(1rem, 3vw, 1.5rem); color: #ffffff;
  font-weight: 700; letter-spacing: 2px; margin-bottom: 4px;
}
.usa-banner .banner-sub {
  font-size: 0.82rem; color: #a0a0c0; letter-spacing: 1px;
}
.usa-banner .year-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,168,75,0.1); border: 1px solid #c8a84b55;
  border-radius: 20px; padding: 4px 14px; margin-top: 8px;
  font-size: 0.78rem; color: #c8a84b; font-weight: 700; letter-spacing: 2px;
}

/* ── Current Character Display ── */
#char-display-section {
  background: var(--bg-1); border-bottom: 1px solid var(--border);
  padding: 30px 24px; text-align: center;
}
#char-display-label {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--text-faint); margin-bottom: 10px;
}
#char-display {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 700; color: var(--gold);
  min-height: 1.2em; line-height: 1;
  text-shadow: 0 0 40px rgba(200,168,75,0.4);
  transition: transform 0.1s, text-shadow 0.2s;
  display: inline-block;
  font-family: 'Segoe UI', Arial, monospace;
}
#char-display.burst {
  animation: char-burst 0.25s ease-out;
}
@keyframes char-burst {
  0%   { transform: scale(1.4); text-shadow: 0 0 60px rgba(200,168,75,0.9); }
  100% { transform: scale(1);   text-shadow: 0 0 40px rgba(200,168,75,0.4); }
}
#char-name {
  font-size: 0.8rem; color: var(--text-faint); margin-top: 6px; letter-spacing: 1px;
}
#char-type-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 3px 10px; border-radius: 10px;
  background: rgba(200,168,75,0.1); border: 1px solid var(--border-gold);
  color: var(--gold); margin-top: 6px;
}

/* ── State Indicator Bar ── */
#state-bar {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap;
  padding: 10px 24px;
  background: var(--bg); border-bottom: 1px solid var(--border);
}
.state-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 20px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 1px;
  border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-faint);
  transition: all 0.2s;
}
.state-pill .pill-led {
  width: 8px; height: 8px; border-radius: 50%;
  background: #2a2a4a; transition: background 0.2s, box-shadow 0.2s;
}
.state-pill.on { border-color: var(--gold); color: var(--gold); }
.state-pill.on .pill-led {
  background: var(--gold);
  box-shadow: 0 0 6px var(--gold);
  animation: led-pulse 1.2s ease-in-out infinite;
}
@keyframes led-pulse {
  0%, 100% { opacity: 1; } 50% { opacity: 0.55; }
}
.state-pill.shift-on { border-color: #7090e0; color: #7090e0; }
.state-pill.shift-on .pill-led { background: #7090e0; box-shadow: 0 0 6px #7090e0; }

/* ── Language Grid ── */
#lang-section { padding: 32px 0 24px; background: var(--bg); }
#lang-section .lang-section-header {
  text-align: center; padding: 0 24px 20px;
}
#lang-section .lang-section-header h2 { font-size: 1.4rem; color: #fff; margin-bottom: 4px; }
#lang-section .lang-section-header p  { font-size: 0.82rem; color: var(--text-faint); }

#lang-count-bar {
  text-align: center; font-size: 0.78rem; color: var(--text-faint);
  margin-bottom: 14px; letter-spacing: 1px;
}
#lang-count-bar span { color: var(--gold); font-weight: 700; }

#lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(76px, 1fr));
  gap: 4px;
  padding: 0 16px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Slightly larger than USA keys, tight gap like the keyboard rows */
.lang-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-bottom: 3px solid #200a0a;
  border-radius: 10px;
  padding: 3px 3px;
  text-align: center;
  cursor: default;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  overflow: hidden;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px;
}
.lang-card:hover { border-color: var(--gold-dim); transform: translateY(-1px); }
.lang-card.active {
  background: rgba(200,168,75,0.12);
  border-color: var(--gold);
  border-bottom-width: 1px;
  transform: translateY(2px);
}

.lang-flag  { font-size: 1.05rem; line-height: 1; }
.lang-name  { font-size: 0.62rem; color: #707090; line-height: 1.1; text-transform: uppercase;
              letter-spacing: 0.5px; white-space: nowrap; overflow: hidden;
              text-overflow: ellipsis; max-width: 100%; }
.lang-char  {
  font-size: 1.75rem; font-weight: 700; color: var(--text-dim); line-height: 1;
  min-height: 1.2em;
  transition: color 0.15s, transform 0.15s;
}
.lang-card.active .lang-char {
  color: var(--gold);
  transform: scale(1.15);
}

/* ── Keyboard Section ── */
#keyboard-section {
  padding: 28px 16px 32px;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
#keyboard-section .kb-header {
  text-align: center; margin-bottom: 18px;
}
#keyboard-section .kb-header h2 { font-size: 1.2rem; color: #fff; }
#keyboard-section .kb-header p  { font-size: 0.8rem; color: var(--text-faint); margin-top: 4px; }

#keyboard-wrap {
  max-width: 900px;
  margin: 0 auto;
  user-select: none;
}

.kb-row {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
  justify-content: center;
}

/* ── Keys ── */
.kb-key {
  flex: 4;  /* default = 1 unit */
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid #252540;
  border-bottom: 3px solid #1a1a30;
  border-radius: 6px;
  padding: 5px 4px 6px;
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative;
  transition: background 0.1s, transform 0.08s, box-shadow 0.1s;
  min-height: 46px;
}
.kb-key:hover { background: #1a1a2e; border-color: #303050; }
.kb-key:active,
.kb-key.pressed {
  background: rgba(200,168,75,0.15);
  border-color: var(--gold);
  border-bottom-width: 1px;
  transform: translateY(2px);
  box-shadow: 0 0 10px rgba(200,168,75,0.2);
}

/* Two-line character keys */
.kb-key .key-shift-char {
  font-size: 0.6rem; color: var(--text-faint);
  position: absolute; top: 3px; right: 5px; line-height: 1;
}
.kb-key .key-normal-char {
  font-size: 0.82rem; color: var(--text-dim); font-weight: 600; line-height: 1;
}
/* In SHIFTED state */
.kb-key.shifted .key-shift-char { color: var(--gold); }
.kb-key.shifted .key-normal-char { color: var(--text-faint); }

/* Special keys: single label */
.kb-key .key-label {
  font-size: 0.65rem; color: #707090; text-align: center;
  line-height: 1.2;
}

/* Key widths via flex values */
.kb-key.w15 { flex: 6; }   /* 1.5u */
.kb-key.w175{ flex: 7; }   /* 1.75u */
.kb-key.w2  { flex: 8; }   /* 2u */
.kb-key.w225{ flex: 9; }   /* 2.25u */
.kb-key.w275{ flex: 11; }  /* 2.75u */
.kb-key.w125{ flex: 5; }   /* 1.25u */
.kb-key.w625{ flex: 25; }  /* 6.25u — spacebar */
.kb-key.w3  { flex: 12; }  /* 3u */

/* CapsLock key states */
.kb-key.caps-key .key-caps-led {
  position: absolute; top: 4px; right: 5px;
  width: 5px; height: 5px; border-radius: 50%;
  background: #2a2a4a; transition: background 0.2s, box-shadow 0.2s;
}
.kb-key.caps-key.caps-on .key-caps-led {
  background: var(--gold);
  box-shadow: 0 0 5px var(--gold);
}
.kb-key.caps-key.caps-on { border-color: var(--gold-dim); }

/* Enter key — L-shaped approximation: just wide */
.kb-key.enter-key { border-left: 1px solid #252540; }

/* Space bar */
.kb-key.space-key .key-label { font-size: 0.55rem; letter-spacing: 2px; }

/* Function row keys */
.kb-row.fn-row .kb-key {
  min-height: 38px;
  background: #0a0a16;
}
.kb-row.fn-row .kb-key .key-label { font-size: 0.6rem; color: #606080; }
.kb-row.fn-row .kb-key.pressed { background: rgba(200,168,75,0.12); }

/* ── USA 250th Anniversary Special Keys ── */
#usa-keys-section {
  padding: 24px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
#usa-keys-section h3 {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 2px;
  color: var(--gold); margin-bottom: 14px;
}
#usa-key-row {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  max-width: 800px; margin: 0 auto;
}
.usa-key {
  background: linear-gradient(135deg, #12102a 0%, #1a1020 100%);
  border: 1px solid #303050;
  border-bottom: 3px solid #200a0a;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  min-width: 72px; transition: all 0.15s;
}
.usa-key:hover { border-color: var(--gold); transform: translateY(-1px); }
.usa-key:active, .usa-key.pressed {
  border-color: var(--gold); background: rgba(200,168,75,0.12);
  border-bottom-width: 1px; transform: translateY(2px);
}
.usa-key .uk-sym  { font-size: 1.6rem; }
.usa-key .uk-label{ font-size: 0.6rem; color: #707090; text-transform: uppercase; letter-spacing: 1px; }

/* ── YourIQAI Node Messaging ── */
#node-section {
  padding: 50px 24px;
  background: var(--bg-1);
  text-align: center;
}
#node-section h2 { font-size: 1.6rem; color: #fff; margin-bottom: 12px; }
#node-section p  { font-size: 0.9rem; color: var(--text-dim); max-width: 640px; margin: 0 auto 20px; line-height: 1.7; }
.node-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px; max-width: 860px; margin: 28px auto 0;
}
.node-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px 16px; text-align: center;
}
.node-card .nc-icon { font-size: 1.8rem; margin-bottom: 8px; }
.node-card h4 { font-size: 0.9rem; color: #d0d0e8; margin-bottom: 4px; }
.node-card p  { font-size: 0.78rem; color: var(--text-faint); }

/* ── Script Family Legend ── */
#script-legend {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
  padding: 12px 16px; border-top: 1px solid var(--border);
}
.script-badge {
  display: flex; align-items: center; gap: 5px;
  font-size: 0.68rem; color: var(--text-faint); padding: 3px 8px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px;
}
.script-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}

/* Script family colors */
.lang-card[data-script="Latin"]      .lang-char { }
.lang-card[data-script="Cyrillic"]   { border-left: 2px solid #7090e0; }
.lang-card[data-script="Arabic"]     { border-left: 2px solid #90c0a0; }
.lang-card[data-script="Hebrew"]     { border-left: 2px solid #c09060; }
.lang-card[data-script="Devanagari"] { border-left: 2px solid #e08060; }
.lang-card[data-script="CJK"]        { border-left: 2px solid #e0b040; }
.lang-card[data-script="Hangul"]     { border-left: 2px solid #60c0e0; }
.lang-card[data-script="Greek"]      { border-left: 2px solid #a060e0; }
.lang-card[data-script="Thai"]       { border-left: 2px solid #c060a0; }
.lang-card[data-script="Bengali"]    { border-left: 2px solid #80c060; }
.lang-card[data-script="Ethiopic"]   { border-left: 2px solid #c0a040; }
.lang-card[data-script="Georgian"]   { border-left: 2px solid #40c0a0; }
.lang-card[data-script="Armenian"]   { border-left: 2px solid #c04060; }
.lang-card[data-script="Myanmar"]    { border-left: 2px solid #a0c080; }
.lang-card[data-script="Tibetan"]    { border-left: 2px solid #8060c0; }
.lang-card[data-script="Khmer"]      { border-left: 2px solid #c08040; }
.lang-card[data-script="Cherokee"]   { border-left: 2px solid #40a0c0; }
.lang-card[data-script="Syllabics"]  { border-left: 2px solid #c0c040; }
.lang-card[data-script="Gujarati"]   { border-left: 2px solid #a08060; }
.lang-card[data-script="Tamil"]      { border-left: 2px solid #e06080; }
.lang-card[data-script="Telugu"]     { border-left: 2px solid #60e080; }
.lang-card[data-script="Kannada"]    { border-left: 2px solid #8060a0; }
.lang-card[data-script="Malayalam"]  { border-left: 2px solid #60a080; }
.lang-card[data-script="Sinhala"]    { border-left: 2px solid #c06060; }
.lang-card[data-script="Gurmukhi"]   { border-left: 2px solid #e0a060; }
.lang-card[data-script="Lao"]        { border-left: 2px solid #60c0c0; }

/* ── Hero Section ────────────────────────────────────────────────────────── */
#hero-section {
  background: linear-gradient(180deg, #04060f 0%, #080d1a 60%, var(--bg-1) 100%);
  border-bottom: 2px solid var(--gold);
  padding: 44px 24px 36px;
  text-align: center;
}
.hero-headline { max-width: 820px; margin: 0 auto 22px; }
#hero-h1 {
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  color: #fff;
  font-weight: 800;
  margin: 8px 0 14px;
  line-height: 1.18;
  letter-spacing: -0.5px;
}
.hero-sub {
  font-size: 0.95rem;
  color: var(--text-dim);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.75;
}
.hero-use-case {
  display: block;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--text-faint);
  font-style: italic;
}
.hero-state-bar {
  margin: 18px auto 0;
  justify-content: center;
}
.hero-char-display {
  margin: 20px auto 0;
}
.showcase-label-row {
  margin: 28px auto 14px;
  text-align: center;
}
.hero-scroll-hint {
  margin-top: 28px;
  font-size: 0.78rem;
  color: var(--text-faint);
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: pulse-hint 2.4s ease-in-out infinite;
}
@keyframes pulse-hint {
  0%, 100% { opacity: 0.4; }
  50%       { opacity: 1; }
}

/* Divider between showcase cards and keyboard inside hero */
.hero-keyboard-divider {
  margin: 28px auto 0;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 900px;
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.hero-keyboard-divider::before,
.hero-keyboard-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.5;
}
.hero-keyboard-divider span { white-space: nowrap; }

/* Keyboard nested inside hero — remove its own background/border */
#hero-section #keyboard-section {
  background: transparent;
  border: none;
  padding: 16px 0 0;
}
#hero-section #keyboard-section .kb-header { display: none; }
#hero-section #keyboard-wrap {
  border-top: none;
}

/* Second keyboard section */
#keyboard-section-2 {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 28px 0 32px;
}
#keyboard-section-2 .kb-header {
  text-align: center;
  padding: 0 24px 18px;
}
#keyboard-section-2 .kb-header h2 {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 4px;
}
#keyboard-section-2 .kb-header p {
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* ── Tower of Babel Showcase ─────────────────────────────────────────────── */
/* showcase-section removed — showcase is now inside #hero-section */

#showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(134px, 1fr));
  gap: 10px;
  max-width: 1200px;
  margin: 0 auto;
}
.showcase-card {
  background: var(--bg-2);
  border: 1.5px solid var(--border);
  border-left: 3px solid var(--sc-border, var(--gold));
  border-radius: 9px;
  padding: 14px 8px 11px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  transition: border-color 0.12s, background 0.12s;
  cursor: default;
  user-select: none;
}
.showcase-card.active {
  background: rgba(200,168,75,0.07);
  border-color: var(--gold) !important;
  border-left-color: var(--gold) !important;
}
.sc-flag { font-size: 1.5rem; line-height: 1; }
.sc-char {
  font-size: 2.8rem;
  line-height: 1.15;
  color: var(--gold);
  font-weight: 700;
  min-height: 3.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.12s, color 0.12s;
}
.showcase-card.active .sc-char {
  transform: scale(1.18);
  color: #fff;
}
.sc-name {
  font-size: 0.74rem;
  color: var(--text);
  font-weight: 600;
  text-align: center;
}
.sc-script {
  font-size: 0.63rem;
  text-align: center;
  font-family: monospace;
  opacity: 0.75;
}

/* ── OCC Demo Section ─────────────────────────────────────────────────────── */
#occ-demo-section {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}
.occ-demo-inner {
  max-width: 680px;
  margin: 0 auto;
}
.occ-demo-title {
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  color: #fff;
  font-weight: 700;
  margin: 8px 0 10px;
  letter-spacing: -0.3px;
}
.occ-demo-sub {
  font-size: 0.84rem;
  color: var(--text-faint);
  line-height: 1.7;
  margin-bottom: 22px;
}
.occ-sym-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.occ-kb-btn {
  background: linear-gradient(135deg, #12102a 0%, #1a1020 100%);
  border: 1px solid #303050;
  border-bottom: 3px solid #200a0a;
  border-radius: 10px;
  padding: 12px 20px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-width: 80px;
  transition: all 0.15s;
}
.occ-kb-btn:hover { border-color: var(--gold); transform: translateY(-1px); }
.occ-kb-btn:active,
.occ-kb-btn.selected {
  border-color: var(--gold);
  background: rgba(200,168,75,0.12);
  border-bottom-width: 1px;
  transform: translateY(2px);
}
.okb-sym {
  font-size: 1.8rem;
  line-height: 1;
}
.okb-sym.tri { color: #c8a84b; }
.okb-sym.dia { color: #7090e0; }
.okb-sym.dot { color: #e07050; }
.okb-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-faint);
}
.occ-output {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  min-height: 60px;
  text-align: left;
  transition: border-color 0.2s;
}
.occ-output.has-result { border-color: var(--border-gold); }
.out-empty {
  font-size: 0.82rem;
  color: var(--text-faint);
  text-align: center;
  margin: 8px 0;
  font-style: italic;
}
.out-sym { font-size: 2rem; line-height: 1; margin-bottom: 6px; }
.out-title { font-size: 0.9rem; color: #fff; font-weight: 700; margin-bottom: 6px; }
.out-body { font-size: 0.8rem; color: var(--text-dim); line-height: 1.6; margin-bottom: 10px; }
.out-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  margin-bottom: 4px;
}
.out-step {
  background: rgba(200,168,75,0.1);
  border: 1px solid var(--border-gold);
  border-radius: 6px;
  padding: 2px 8px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.5px;
}
.out-arrow { color: var(--text-faint); font-size: 0.7rem; }
.occ-proof-links { margin-top: 18px; text-align: center; }

/* ── Responsive ── */
@media (max-width: 700px) {
  #lang-grid { grid-template-columns: repeat(auto-fill, minmax(66px, 1fr)); gap: 4px; }
  .lang-card { padding: 3px 2px; }
  .lang-char { font-size: 1.5rem; }
  .kb-key { min-height: 38px; }
  .kb-key .key-normal-char { font-size: 0.7rem; }
  .usa-key { min-width: 56px; padding: 8px 10px; }
  .usa-key .uk-sym { font-size: 1.3rem; }
}
@media (max-width: 480px) {
  #lang-grid { grid-template-columns: repeat(auto-fill, minmax(56px, 1fr)); gap: 3px; }
  .lang-card { padding: 2px 2px; }
  .lang-char { font-size: 1.35rem; }
  .lang-name { font-size: 0.54rem; letter-spacing: 0; }
}