/* ═══════════════════════════════════════════════════════════
   Language Translator — Premium Dark Glassmorphism v4
   Creators: Abhay_Maddy & ArShx17
   ═══════════════════════════════════════════════════════════ */

:root {
  --clr-bg: #060a14;
  --clr-border: rgba(255,255,255,0.07);
  --clr-border-focus: rgba(52,211,153,0.45);
  --clr-text: #e2e8f0;
  --clr-text-muted: #94a3b8;
  --clr-text-dim: #64748b;
  --clr-accent: #34d399;
  --clr-accent-2: #06b6d4;
  --clr-purple: #8b5cf6;
  --clr-danger: #f43f5e;
  --clr-white: #ffffff;
  --grad-accent: linear-gradient(135deg, #34d399 0%, #06b6d4 100%);
  --grad-danger: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
  --grad-bg: linear-gradient(160deg, #060a14 0%, #0c1427 30%, #0a1020 60%, #060a14 100%);
  --glass-blur: 24px;
  --glass-bg: rgba(10,16,32,0.65);
  --glass-border: 1px solid rgba(255,255,255,0.07);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 64px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(52,211,153,0.08);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --ease: cubic-bezier(0.4,0,0.2,1);
  --duration: 0.3s;
  --font-body: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-title: 'Poppins','Inter',sans-serif;
}

*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { font-size:16px; scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }

body {
  font-family: var(--font-body); color: var(--clr-text);
  background: var(--grad-bg); min-height: 100vh;
  display: flex; flex-direction: column; overflow-x: hidden;
}

/* ── Background ── */
.bg-layer { position:fixed; inset:0; z-index:0; pointer-events:none; }
.bg-image { position:absolute; inset:0; background:url('../assets/world-map-bg.png') center/cover no-repeat; opacity:0.14; filter:blur(3px) saturate(0.6); }
.bg-gradient { position:absolute; inset:0; background: radial-gradient(ellipse at 15% 50%,rgba(52,211,153,0.05),transparent 55%), radial-gradient(ellipse at 85% 20%,rgba(6,182,212,0.04),transparent 45%), radial-gradient(ellipse at 50% 80%,rgba(139,92,246,0.04),transparent 50%), linear-gradient(180deg,rgba(6,10,20,0.3),rgba(6,10,20,0.9)); }
.bg-orbs { position:absolute; inset:0; overflow:hidden; }
.orb { position:absolute; border-radius:50%; filter:blur(80px); opacity:0.4; animation:orbFloat 20s ease-in-out infinite alternate; }
.orb-1 { width:350px; height:350px; background:radial-gradient(circle,rgba(52,211,153,0.15),transparent 70%); top:5%; left:10%; animation-duration:22s; }
.orb-2 { width:300px; height:300px; background:radial-gradient(circle,rgba(6,182,212,0.12),transparent 70%); top:60%; right:5%; animation-duration:18s; animation-delay:-5s; }
.orb-3 { width:250px; height:250px; background:radial-gradient(circle,rgba(139,92,246,0.1),transparent 70%); bottom:10%; left:30%; animation-duration:25s; animation-delay:-10s; }
@keyframes orbFloat { 0%{transform:translate(0,0) scale(1)} 33%{transform:translate(30px,-20px) scale(1.1)} 66%{transform:translate(-20px,15px) scale(0.95)} 100%{transform:translate(10px,-10px) scale(1.05)} }
.bg-particles { position:absolute; inset:0; overflow:hidden; }
.particle { position:absolute; width:3px; height:3px; background:rgba(52,211,153,0.3); border-radius:50%; animation:particleFloat linear infinite; }
@keyframes particleFloat { 0%{transform:translateY(0) scale(1);opacity:0} 10%{opacity:1} 90%{opacity:1} 100%{transform:translateY(-100vh) scale(0.3);opacity:0} }

/* ── Glass ── */
.glass-card { background:var(--glass-bg); backdrop-filter:blur(var(--glass-blur)); -webkit-backdrop-filter:blur(var(--glass-blur)); border:var(--glass-border); border-radius:var(--radius-lg); box-shadow:var(--shadow-md),inset 0 1px 0 rgba(255,255,255,0.04); }

/* ═══ HEADER ═══ */
#app-header { position:relative; z-index:10; text-align:center; padding:2.2rem 1rem 0.6rem; }
.header-inner { display:flex; flex-direction:column; align-items:center; gap:0.25rem; }
.logo-mark { margin-bottom:0.3rem; animation:logoGlow 4s ease-in-out infinite alternate; }
@keyframes logoGlow { 0%{filter:drop-shadow(0 0 8px rgba(52,211,153,0.3))} 50%{filter:drop-shadow(0 0 16px rgba(6,182,212,0.4))} 100%{filter:drop-shadow(0 0 12px rgba(139,92,246,0.35))} }
.app-title { font-family:var(--font-title); font-weight:800; font-size:clamp(1.8rem,4.5vw,2.8rem); letter-spacing:-0.02em; background:linear-gradient(135deg,#34d399,#06b6d4 50%,#8b5cf6); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; filter:drop-shadow(0 2px 12px rgba(52,211,153,0.2)); }
.app-subtitle { font-size:0.82rem; font-weight:400; color:var(--clr-text-dim); letter-spacing:0.02em; }

/* ═══ MAIN ═══ */
#app-main { position:relative; z-index:10; flex:1; display:flex; flex-direction:column; align-items:center; padding:0.6rem 1rem 1.5rem; gap:1rem; max-width:1120px; margin:0 auto; width:100%; }

/* ── Lang Bar ── */
.lang-bar { display:flex; align-items:flex-start; justify-content:center; gap:1rem; padding:1rem 2rem; width:100%; max-width:700px; }
.lang-select-group { display:flex; flex-direction:column; gap:0.3rem; flex:1; min-width:0; }
.lang-label { font-size:0.68rem; font-weight:600; text-transform:uppercase; letter-spacing:0.12em; color:var(--clr-text-dim); }
.select-wrapper { position:relative; }
.lang-select { width:100%; appearance:none; -webkit-appearance:none; background:rgba(255,255,255,0.04); border:1px solid var(--clr-border); border-radius:var(--radius-sm); padding:0.65rem 2.2rem 0.65rem 0.85rem; font-family:var(--font-body); font-size:0.875rem; font-weight:500; color:var(--clr-text); cursor:pointer; transition:border-color var(--duration) var(--ease),background var(--duration) var(--ease); }
.lang-select option { background:#131b2e; color:var(--clr-text); }
.lang-select:hover { background:rgba(255,255,255,0.06); border-color:rgba(255,255,255,0.14); }
.lang-select:focus { outline:none; border-color:var(--clr-border-focus); }
.select-arrow { position:absolute; right:0.75rem; top:50%; transform:translateY(-50%); color:var(--clr-text-dim); font-size:0.85rem; pointer-events:none; }

/* ── Swap ── */
.swap-btn { flex-shrink:0; width:46px; height:46px; display:flex; align-items:center; justify-content:center; border-radius:var(--radius-full); border:1px solid var(--clr-border); background:rgba(255,255,255,0.04); color:var(--clr-accent); cursor:pointer; transition:all var(--duration) var(--ease); margin-top:1.4rem; }
.swap-btn:hover { background:rgba(52,211,153,0.1); border-color:rgba(52,211,153,0.25); transform:rotate(180deg) scale(1.1); box-shadow:0 0 24px rgba(52,211,153,0.12); }
.swap-btn:active { transform:rotate(180deg) scale(0.95); }

/* ═══ TRANSLATOR CARD ═══ */
.translator-card { width:100%; padding:0; overflow:hidden; transition:box-shadow var(--duration) var(--ease); position:relative; }
.translator-card:hover { box-shadow:var(--shadow-lg),var(--shadow-glow); }
.panels { display:flex; min-height:280px; }
.panel { flex:1; display:flex; flex-direction:column; padding:1.1rem 1.4rem 0.7rem; }
.panel-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:0.4rem; }
.panel-title { font-size:0.72rem; font-weight:600; text-transform:uppercase; letter-spacing:0.08em; color:var(--clr-text-dim); }
.char-count { font-size:0.7rem; font-weight:500; color:var(--clr-text-dim); font-variant-numeric:tabular-nums; }

/* ── Textarea — zero border ── */
.text-area { flex:1; width:100%; min-height:180px; resize:none; border:none; outline:none; background:transparent; font-family:var(--font-body); font-size:1.02rem; line-height:1.65; color:var(--clr-text); scrollbar-width:thin; scrollbar-color:rgba(255,255,255,0.08) transparent; }
.text-area:focus { outline:none !important; border:none !important; box-shadow:none !important; }
.text-area::placeholder { color:var(--clr-text-dim); font-style:italic; font-weight:300; }
.text-area::-webkit-scrollbar { width:5px; }
.text-area::-webkit-scrollbar-track { background:transparent; }
.text-area::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.08); border-radius:3px; }
.panel-output .text-area { color:var(--clr-accent); font-weight:500; }

/* ── Panel Footer ── */
.panel-footer { display:flex; align-items:center; padding-top:0.5rem; gap:0.4rem; border-top:1px solid rgba(255,255,255,0.04); margin-top:0.2rem; }
.footer-spacer { flex:1; }

/* ── Icon Btn ── */
.icon-btn { display:inline-flex; align-items:center; gap:0.35rem; background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.06); border-radius:var(--radius-sm); padding:0.4rem 0.65rem; color:var(--clr-text-muted); cursor:pointer; font-family:var(--font-body); font-size:0.75rem; font-weight:500; transition:all var(--duration) var(--ease); }
.icon-btn:hover { background:rgba(255,255,255,0.07); color:var(--clr-text); border-color:rgba(255,255,255,0.12); transform:translateY(-1px); }
.icon-btn:active { transform:translateY(0) scale(0.97); }
.icon-btn.copied { color:var(--clr-accent); border-color:rgba(52,211,153,0.3); background:rgba(52,211,153,0.08); }

/* ── Voice Btn ── */
.voice-btn.listening { color:var(--clr-accent); border-color:rgba(52,211,153,0.4); background:rgba(52,211,153,0.1); animation:voicePulse 1.5s ease-in-out infinite; }
@keyframes voicePulse { 0%,100%{box-shadow:0 0 0 0 rgba(52,211,153,0.2)} 50%{box-shadow:0 0 0 8px rgba(52,211,153,0)} }

/* ── Voice Overlay ── */
.voice-overlay { position:absolute; inset:0; display:none; flex-direction:column; align-items:center; justify-content:center; gap:1.2rem; background:rgba(6,10,20,0.92); backdrop-filter:blur(20px); z-index:20; border-radius:inherit; animation:overlayFadeIn 0.3s var(--ease); }
.voice-overlay.active { display:flex; }
@keyframes overlayFadeIn { from{opacity:0} to{opacity:1} }
.voice-ripple { position:relative; width:100px; height:100px; display:flex; align-items:center; justify-content:center; }
.ripple-ring { position:absolute; inset:0; border-radius:50%; border:2px solid var(--clr-accent); opacity:0; animation:rippleExpand 2s ease-out infinite; }
.ripple-2 { animation-delay:0.5s; } .ripple-3 { animation-delay:1s; }
@keyframes rippleExpand { 0%{transform:scale(0.5);opacity:0.6} 100%{transform:scale(1.8);opacity:0} }
.voice-mic-icon { position:relative; z-index:1; width:56px; height:56px; display:flex; align-items:center; justify-content:center; background:var(--grad-accent); border-radius:50%; color:#022c22; box-shadow:0 0 30px rgba(52,211,153,0.3); }
.voice-status { font-size:0.9rem; font-weight:500; color:var(--clr-text-muted); animation:statusPulse 1.5s ease-in-out infinite; }
@keyframes statusPulse { 0%,100%{opacity:1} 50%{opacity:0.5} }
.voice-stop-btn { padding:0.5rem 1.8rem; background:rgba(244,63,94,0.15); border:1px solid rgba(244,63,94,0.3); border-radius:var(--radius-full); color:var(--clr-danger); font-family:var(--font-body); font-size:0.82rem; font-weight:600; cursor:pointer; transition:all var(--duration) var(--ease); }
.voice-stop-btn:hover { background:var(--grad-danger); color:white; border-color:transparent; }

/* ── Divider ── */
.panel-divider { display:flex; align-items:center; justify-content:center; flex-shrink:0; width:1px; }
.divider-line { width:1px; height:80%; background:linear-gradient(180deg,transparent,rgba(255,255,255,0.06) 15%,rgba(52,211,153,0.12) 40%,rgba(139,92,246,0.1) 60%,rgba(255,255,255,0.06) 85%,transparent); }

/* ═══ ACTION BUTTONS ═══ */
.action-bar { display:flex; gap:0.9rem; justify-content:center; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:0.5rem; padding:0.78rem 2rem; border:none; border-radius:var(--radius-full); font-family:var(--font-body); font-size:0.9rem; font-weight:600; cursor:pointer; transition:all var(--duration) var(--ease); position:relative; overflow:hidden; }
.btn::before { content:''; position:absolute; inset:0; border-radius:inherit; opacity:0; transition:opacity var(--duration) var(--ease); }
.btn:hover { transform:translateY(-2px) scale(1.03); }
.btn:active { transform:translateY(0) scale(0.98); }
.btn-translate { background:var(--grad-accent); color:#022c22; box-shadow:0 4px 22px rgba(52,211,153,0.25); }
.btn-translate::before { background:linear-gradient(135deg,rgba(255,255,255,0.2),transparent); }
.btn-translate:hover { box-shadow:0 8px 35px rgba(52,211,153,0.4); }
.btn-translate:hover::before { opacity:1; }
.btn-translate.loading .btn-text,.btn-translate.loading .btn-icon { opacity:0; }
.btn-translate.loading .btn-loader { display:flex; }
.btn-clear { background:rgba(244,63,94,0.1); color:var(--clr-danger); border:1px solid rgba(244,63,94,0.18); }
.btn-clear:hover { background:var(--grad-danger); color:var(--clr-white); border-color:transparent; box-shadow:0 4px 22px rgba(244,63,94,0.25); }
.btn-loader { display:none; position:absolute; inset:0; align-items:center; justify-content:center; }
.spinner { width:22px; height:22px; border:2.5px solid rgba(2,44,34,0.2); border-top-color:#022c22; border-radius:50%; animation:spin 0.7s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

/* ═══ KEYBOARD SHORTCUTS BAR ═══ */
.shortcuts-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0.6rem 1.2rem;
  width: fit-content;
  border-radius: var(--radius-full);
  background: rgba(10,16,32,0.5);
  border: 1px solid rgba(255,255,255,0.05);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 0.7rem;
}

.shortcut-keys {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.65rem;
  color: var(--clr-text-dim);
}

.shortcut-keys kbd {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 5px;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  line-height: 1;
  box-shadow: 0 1px 2px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.06);
}

.shortcut-keys span {
  font-size: 0.55rem;
  color: rgba(255,255,255,0.2);
}

.shortcut-desc {
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--clr-text-dim);
  letter-spacing: 0.02em;
}

.shortcut-sep {
  width: 1px;
  height: 16px;
  background: rgba(255,255,255,0.08);
  flex-shrink: 0;
}

/* ═══ TOAST ═══ */
.toast { position:fixed; bottom:2rem; left:50%; transform:translateX(-50%) translateY(120px); display:flex; align-items:center; gap:0.5rem; padding:0.7rem 1.4rem; background:rgba(10,16,32,0.94); backdrop-filter:blur(16px); border:1px solid rgba(255,255,255,0.08); border-radius:var(--radius-full); box-shadow:var(--shadow-md); font-size:0.82rem; color:var(--clr-text); opacity:0; transition:all 0.4s var(--ease); z-index:100; pointer-events:none; }
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }
.toast-icon { font-size:1rem; color:var(--clr-accent); }
.toast.error .toast-icon { color:var(--clr-danger); }

/* ═══ FOOTER — Single-line crafted + logos ═══ */
#app-footer {
  position: relative; z-index: 10;
  text-align: center; padding: 1.4rem 1rem 1.2rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
}

.footer-brand:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.footer-text {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  letter-spacing: 0.01em;
}

.heart {
  display: inline-block;
  color: var(--clr-danger);
  font-size: 0.85rem;
  animation: heartbeat 1.4s ease-in-out infinite;
}

@keyframes heartbeat { 0%,100%{transform:scale(1)} 14%{transform:scale(1.2)} 28%{transform:scale(1)} 42%{transform:scale(1.15)} 56%{transform:scale(1)} }

.creator-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: #ffffff;
  text-decoration: none;
  transition: all var(--duration) var(--ease);
}

.creator-avatar svg {
  fill: #ffffff;
}

.creator-avatar:hover {
  color: var(--clr-accent);
  transform: scale(1.2);
  filter: drop-shadow(0 0 8px rgba(52,211,153,0.4));
}

.creator-avatar:hover svg {
  fill: var(--clr-accent);
}

/* ═══ ANIMATIONS ═══ */
@keyframes fadeSlideUp { from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:translateY(0)} }
#app-header { animation:fadeSlideUp 0.8s var(--ease) both; }
.lang-bar { animation:fadeSlideUp 0.8s var(--ease) 0.1s both; }
.translator-card { animation:fadeSlideUp 0.8s var(--ease) 0.2s both; }
.action-bar { animation:fadeSlideUp 0.8s var(--ease) 0.3s both; }
.shortcuts-bar { animation:fadeSlideUp 0.8s var(--ease) 0.4s both; }
#app-footer { animation:fadeSlideUp 0.8s var(--ease) 0.5s both; }

/* ═══ RESPONSIVE ═══ */
@media (max-width:768px) {
  #app-header { padding:1.4rem 1rem 0.5rem; }
  .lang-bar { flex-direction:row; flex-wrap:wrap; gap:0.7rem; padding:1rem 1.1rem; max-width:100%; }
  .lang-select-group { flex:1 1 40%; }
  .swap-btn { margin-top:0; order:0; }
  .panels { flex-direction:column; min-height:auto; }
  .panel { padding:1rem 1.1rem 0.7rem; }
  .text-area { min-height:130px; }
  .panel-divider { width:100%; height:1px; }
  .divider-line { width:80%; height:1px; background:linear-gradient(90deg,transparent,rgba(52,211,153,0.1) 50%,transparent); }
  .translator-card { border-radius:var(--radius-md); }
  .action-bar { flex-direction:column; width:100%; max-width:400px; }
  .btn { width:100%; justify-content:center; }
  .voice-label { display:none; }
  .shortcuts-bar { flex-wrap:wrap; border-radius:var(--radius-md); gap:0.2rem; padding:0.5rem 0.8rem; }
  .shortcut-sep:nth-child(8),.shortcut-sep:nth-child(6) { display:none; }
}

@media (max-width:480px) {
  html { font-size:14px; }
  .lang-bar { padding:0.8rem; }
  .lang-select-group { flex:1 1 100%; }
  .swap-btn { margin:0 auto; order:1; }
  .panel { padding:0.7rem 0.9rem 0.6rem; }
  .text-area { min-height:100px; font-size:0.95rem; }
  .btn { padding:0.7rem 1.4rem; font-size:0.85rem; }
  .copy-label { display:none; }
  .shortcuts-bar { display:none; }
}

textarea:focus-visible { outline:none; }
:focus-visible { outline:2px solid var(--clr-accent); outline-offset:2px; }
::selection { background:rgba(52,211,153,0.25); color:var(--clr-white); }