*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;background:#070b14;color:#e8f0ff;font-family:system-ui,-apple-system,sans-serif;overflow:hidden}
button,input,textarea{font:inherit;color:inherit;border:0;background:none;cursor:pointer}

.screen {
    position: absolute;
    width: 100%; height: 100%;
    display: flex; justify-content: center; align-items: center; flex-direction: column;
    transition: opacity 0.6s ease; z-index: 50; background: #07090e;
}
.screen.hidden { opacity: 0; pointer-events: none; display: none !important; }

#splash-screen {
    background: radial-gradient(circle, #0f172a 0%, #07090e 100%);
    z-index: 9999; animation: hideSplash 1s ease 10s forwards; cursor: pointer;
}
@keyframes hideSplash { to { opacity: 0; visibility: hidden; pointer-events: none; } }

.splash-container { text-align: center; }
.floating-title { display: flex; justify-content: center; font-size: 52px; font-weight: 900; margin-bottom: 10px; }
.f-letter {
    color: #38bdf8; text-shadow: 0 0 25px rgba(56, 189, 248, 0.8);
    animation: floatIn 3s cubic-bezier(0.1, 0.9, 0.2, 1) forwards; opacity: 0;
    transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(0.3);
}
.f-letter:nth-child(1) { animation-delay: 0.2s; }
.f-letter:nth-child(2) { animation-delay: 0.6s; }
.f-letter:nth-child(3) { animation-delay: 1.0s; }
.f-letter:nth-child(4) { animation-delay: 1.4s; }
.f-letter:nth-child(5) { animation-delay: 1.8s; }
.f-letter:nth-child(6) { animation-delay: 2.2s; }
@keyframes floatIn {
    0% { opacity: 0; transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(0.3); }
    100% { opacity: 1; transform: translate(0, 0) rotate(0deg) scale(1); }
}
.splash-subtitle { font-size: 16px; color: #94a3b8; letter-spacing: 3px; margin-bottom: 25px; opacity: 0; animation: fadeInSubtitle 1.5s ease 3s forwards; }
@keyframes fadeInSubtitle { to { opacity: 1; } }
.splash-powered { font-size: 15px; color: #ffffff; font-weight: 600; letter-spacing: 2px; opacity: 0; animation: fadeInPowered 1.5s ease 4.5s forwards; }
@keyframes fadeInPowered { to { opacity: 1; } }

.room { position: relative; width: 100%; height: 100%; display: flex; justify-content: center; align-items: safe center; background: #0b0f19; overflow-y: auto; padding: 16px; }
.auth-card {
    background: rgba(30, 41, 59, 0.85); backdrop-filter: blur(16px);
    padding: 30px; border-radius: 20px; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    width: 100%; max-width: 400px; border: 1px solid rgba(255, 255, 255, 0.1); z-index: 5;
}
.welcome-header { text-align: center; margin-bottom: 20px; }
.welcome-header h2 { font-size: 22px; color: #ffffff; margin-bottom: 4px; }
.welcome-header p { font-size: 12px; color: #94a3b8; }
.tab-switcher { display: flex; background: rgba(15, 23, 42, 0.9); border-radius: 10px; margin-bottom: 18px; padding: 4px; }
.tab-btn { flex: 1; background: transparent; border: none; color: #94a3b8; padding: 8px; font-weight: 700; font-size: 12px; border-radius: 8px; cursor: pointer; }
.tab-btn.active { background: #38bdf8; color: #07090e; }
.google-btn { width: 100%; background: #ffffff; color: #1e293b; border: none; padding: 11px; border-radius: 10px; font-weight: 600; font-size: 14px; display: flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer; }
.google-icon { width: 18px; height: 18px; }
.divider { text-align: center; margin: 16px 0; position: relative; }
.divider::before { content: ""; position: absolute; top: 50%; left: 0; width: 100%; height: 1px; background: rgba(255, 255, 255, 0.1); }
.divider span { background: #1e293b; padding: 0 10px; color: #64748b; font-size: 11px; position: relative; z-index: 1; }
.form-section { display: none; }
.form-section.active-form { display: block; }
.input-group { margin-bottom: 14px; }
.input-group label { display: block; font-size: 12px; color: #cbd5e1; margin-bottom: 5px; }
.phone-input-wrapper { display: flex; gap: 8px; }
.country-select { background: rgba(15, 23, 42, 0.9); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 10px; color: white; padding: 11px 8px; font-size: 14px; outline: none; }
.country-select option { background: #0f172a; color: white; }
.input-field { width: 100%; padding: 11px 12px; background: rgba(15, 23, 42, 0.9); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 10px; color: white; font-size: 14px; outline: none; }
.action-btn { width: 100%; background: linear-gradient(135deg, #38bdf8, #0284c7); color: #07090e; border: none; padding: 11px; border-radius: 10px; font-weight: 700; font-size: 14px; cursor: pointer; }

.modal-overlay { position: fixed; inset: 0; background: rgba(7, 9, 14, 0.85); backdrop-filter: blur(8px); display: flex; justify-content: center; align-items: center; z-index: 100; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-card { background: #1e293b; padding: 25px; border-radius: 16px; width: 90%; max-width: 320px; border: 1px solid rgba(255, 255, 255, 0.1); text-align: center; }

.top { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,.1); background:#0d1524; flex-shrink:0; }
.top h1 { flex:1; font-size:1.05rem; font-weight:700; }
.ib { width:40px; height:40px; border-radius:12px; border:1px solid rgba(255,255,255,.12); background:#152036; display:inline-flex; align-items:center; justify-content:center; }
.ib svg { width:20px; height:20px; stroke:#e8f0ff; fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.panel { display:none; flex:1; min-height:0; flex-direction:column; }
.panel.on { display:flex; }
.home { flex:1; overflow:auto; padding:20px 16px 140px; display:flex; flex-direction:column; align-items:center; }
.glow { width:72px; height:72px; border-radius:50%; margin:18px 0 12px; background:radial-gradient(circle at 30% 30%,#67e8f9,#0ea5e9 50%,transparent 70%); box-shadow:0 0 36px #06b6d466; }
.home h2 { font-size:1.25rem; text-align:center; margin-bottom:6px; }
.sub { color:#8aa0bc; font-size:13px; text-align:center; margin-bottom:16px; }
.grid2 { display:grid; grid-template-columns:1fr 1fr; gap:10px; width:100%; max-width:400px; }
.grid2 button { text-align:left; padding:14px; border-radius:16px; background:#0d1524; border:1px solid rgba(255,255,255,.1); font-size:13px; color:#e8f0ff; }
.chat { flex:1; overflow:auto; padding:12px 12px 150px; max-width:720px; width:100%; margin:0 auto; }
.row { display:flex; margin:10px 0; }.row.u { justify-content:flex-end; }
.bub { white-space:pre-wrap; max-width:90%; padding:12px 14px; border-radius:18px; font-size:15px; line-height:1.45; word-break:break-word; }
.bub.u { background:#0ea5e9; color:#fff; border-bottom-right-radius:6px; }
.bub.a { background:#152036; border:1px solid rgba(255,255,255,.1); border-bottom-left-radius:6px; }
.acts { display:flex; gap:8px; margin-top:8px; }
.act { padding:8px 12px; border-radius:999px; border:1px solid rgba(255,255,255,.12); background:#0d1524; color:#8aa0bc; font-size:12px; font-weight:600; }

/* বটম ইনপুট বার ও সেন্ড বাটন পারফেক্ট ফিক্স */
.bar { position:fixed; left:0; right:0; bottom:0; z-index:50; padding:10px 12px; background:linear-gradient(to top,#070b14 80%,transparent); }
.comp { max-width:720px; margin:0 auto; display:flex; align-items:center; gap:8px; background:#1a1d24; border:1px solid rgba(255,255,255,.15); border-radius:28px; padding:6px 10px; }
.comp input { flex:1; outline:0; background:transparent; font-size:15px; padding:8px 6px; min-width:0; color:#e8f0ff; }
.plus,.mic { width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.1); background:#252a33; display:inline-flex; align-items:center; justify-content:center; flex-shrink:0; }
.plus svg,.mic svg { width:18px; height:18px; stroke:#e8f0ff; fill:none; stroke-width:2; stroke-linecap:round; }
.chip { padding:6px 10px; border-radius:999px; background:#2a2f3a; font-size:11px; font-weight:700; flex-shrink:0; color:#e8f0ff; }

#speakBtn, #sendBtn {
    flex-shrink: 0;
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
#speakBtn { background: #2a2f3a; border: 1px solid rgba(255,255,255,.12); color: #e8f0ff; }
#sendBtn { background: linear-gradient(135deg,#06b6d4,#3b82f6); color: #fff; display: none; }
#sendBtn.show { display: inline-flex !important; }
#speakBtn.hide { display: none !important; }

.db { display:none; position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:80; }.db.on { display:block; }
.dr { position:fixed; left:0; top:0; bottom:0; width:min(290px,85vw); z-index:90; background:#0d1524; border-right:1px solid rgba(255,255,255,.1); padding:18px 12px; transform:translateX(-110%); transition:transform .2s; }
.dr.on { transform:none; }
.dr .br { font-weight:700; font-size:1.15rem; margin-bottom:14px; }
.dr nav button { display:block; width:100%; text-align:left; padding:14px 12px; border-radius:12px; font-weight:600; margin-bottom:4px; color:#e8f0ff; }

.body { flex:1; overflow:auto; padding:16px; max-width:720px; width:100%; margin:0 auto; }
.card { background:#0d1524; border:1px solid rgba(255,255,255,.1); border-radius:14px; padding:14px; margin-bottom:12px; }
.btn { width:100%; padding:14px; border-radius:14px; background:linear-gradient(135deg,#06b6d4,#3b82f6); color:#fff; font-weight:700; }
.btn.g { background:#152036; border:1px solid rgba(255,255,255,.12); color:#e8f0ff; }
.btn.red { background:#f43f5e; }
.field { margin-bottom:10px; }.field label { display:block; font-size:12px; color:#8aa0bc; margin-bottom:4px; }
.field input,#code { width:100%; padding:12px; border-radius:12px; border:1px solid rgba(255,255,255,.12); background:#152036; color:#e8f0ff; }
#code { min-height:30vh; font-family:ui-monospace,monospace; font-size:12px; }
#frame { width:100%; height:34vh; border-radius:12px; border:1px solid rgba(255,255,255,.12); background:#fff; display:none; }
.tabs { display:flex; gap:8px; margin-bottom:10px; }
.tabs button { padding:10px 14px; border-radius:10px; border:1px solid rgba(255,255,255,.12); background:#152036; font-weight:600; color:#e8f0ff; }
.tabs button.on { border-color:#06b6d4; color:#06b6d4; }
.g2 { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:12px; }
.g2 img { width:100%; border-radius:10px; max-height:120px; object-fit:cover; }
.mu { color:#8aa0bc; font-size:13px; }
.toast { display:none; position:fixed; top:12px; left:50%; transform:translateX(-50%); z-index:10000; background:#14532d; color:#bbf7d0; padding:10px 16px; border-radius:999px; font-weight:700; }
.toast.on { display:block; }

/* প্রিমিয়াম জেমিনি লাইভ ভয়েস ইউআই স্টাইল */
#live { display:none; position:fixed; inset:0; z-index:100; background:radial-gradient(circle at center, #0f172a 0%, #070b14 100%); flex-direction:column; padding:20px; justify-content:space-between; align-items:center; }
#live.on { display:flex; }
.lv-top { font-weight:700; font-size:1.2rem; color:#fff; letter-spacing:1px; }
.lv-st { font-size:13px; color:#38bdf8; margin-top:4px; }
.lv-mid { display:flex; flex-direction:column; align-items:center; }
.lv-orb { width:140px; height:140px; border-radius:50%; background:radial-gradient(circle at 35% 30%,#7dd3fc,#0284c7 50%,#0c4a6e); box-shadow:0 0 60px #06b6d4aa, inset 0 0 20px #e0f2fe; animation: pulse-orb 2s infinite ease-in-out; }
@keyframes pulse-orb { 0% { transform: scale(1); } 50% { transform: scale(1.08); box-shadow:0 0 80px #38bdf8; } 100% { transform: scale(1); } }
.lv-wake { margin-top:16px; padding:8px 16px; border-radius:999px; background:rgba(15,23,42,0.8); border:1px solid rgba(56,189,248,0.3); font-size:13px; color:#38bdf8; }
.lv-box { width:100%; max-width:400px; background:rgba(15,23,42,0.7); border:1px solid rgba(56,189,248,0.2); border-radius:16px; padding:14px; font-size:14px; line-height:1.4; color:#e2e8f0; }
.lv-box b { display:block; font-size:11px; color:#38bdf8; margin-bottom:4px; letter-spacing:1px; }
.lv-dock { display:flex; justify-content:center; gap:24px; width:100%; padding-bottom:20px; }
.lv-dock button { width:54px; height:54px; border-radius:50%; border:1px solid rgba(56,189,248,0.4); background:#1e293b; color:#e8f0ff; font-size:12px; font-weight:700; }
.lv-dock button.main { width:70px; height:70px; background:#ef4444; color:#fff; border:0; font-size:14px; }

@media (max-width:420px) {
  .auth-card { padding:22px 18px; width:calc(100% - 28px); }
  .comp { gap:5px; padding:5px 7px; }
  .chip { padding:6px 8px; }
  #speakBtn,#sendBtn { padding:8px 10px; font-size:12px; }
}

.g2 img { background:#152036; min-height:120px; }