*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#0b1220;color:#fff}
#app{max-width:480px;margin:0 auto;min-height:100vh;padding:0 16px 32px}
header{display:flex;justify-content:space-between;align-items:center;padding:16px 0}
.logo{font-size:22px;font-weight:800}.logo span{color:#22c55e}
.small-btn{background:#1e293b;color:#fff;border:1px solid #334155;border-radius:8px;padding:6px 10px;cursor:pointer}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block;margin-right:8px;vertical-align:middle}
.dot.online{background:#22c55e}.dot.offline{background:#ef4444}
.screen{padding:8px 0}
.hidden{display:none!important}
h1{font-size:22px;margin:8px 0}h2{font-size:16px;margin:20px 0 8px}
.muted{color:#94a3b8}.small{font-size:13px}
label{display:block;margin:14px 0 6px;color:#cbd5e1;font-size:14px}
input{width:100%;padding:12px;border-radius:10px;border:1px solid #334155;background:#111c2e;color:#fff;font-size:17px}
.primary-btn{width:100%;margin-top:18px;padding:14px;border:none;border-radius:12px;background:#22c55e;color:#06281a;font-size:17px;font-weight:700;cursor:pointer}
.pick-btn{flex:1;padding:12px;border-radius:10px;border:1px solid #334155;background:#111c2e;color:#fff;font-size:16px;cursor:pointer}
.pick-btn.selected{background:#22c55e;color:#06281a;border-color:#22c55e;font-weight:700}
.sim-pick{display:flex;gap:10px;margin-top:16px}
.sim-actions{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.sim-actions .primary-btn{margin-top:0}
.sim-card{background:#111c2e;border:1px solid #1e293b;border-radius:12px;padding:12px;margin-top:12px}
.sim-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.sim-title{font-weight:700;font-size:16px}
.sim-carrier{color:#22c55e;font-size:14px}
.sim-status{margin-top:6px}
.error-text{color:#f87171}.error-banner{background:#7f1d1d;border:1px solid #ef4444;color:#fff;padding:12px;border-radius:10px;margin:8px 0}
.me-card{display:flex;justify-content:space-between;align-items:center;background:#111c2e;border:1px solid #1e293b;border-radius:12px;padding:12px}
.me-name{font-weight:700}.me-phone{color:#94a3b8;font-size:14px}
.dial-row{display:flex;align-items:center;gap:8px}
.dial-display{flex:1;min-width:0;min-height:52px;font-size:30px;text-align:center;letter-spacing:2px;padding:14px 0 4px;overflow:hidden;background:transparent;border:none;color:#fff;outline:none}
.dial-display:focus{outline:none;border:none}
.dial-clear{flex:none;background:#1e293b;color:#fff;border:1px solid #334155;border-radius:8px;padding:8px 12px;cursor:pointer;font-size:16px}
.dialpad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:8px}
.dial-key{padding:18px 0;border-radius:50%;border:1px solid #1e293b;background:#111c2e;color:#fff;font-size:24px;cursor:pointer}
.dial-key:active{background:#22c55e}
.call-row{text-align:center;margin-top:12px}
.call-btn{width:72px;height:72px;border-radius:50%;border:none;background:#22c55e;font-size:30px;cursor:pointer}
.call-status{text-align:center;color:#94a3b8;min-height:22px;margin-top:8px}
.invite-box{background:#1e293b;border:1px solid #f59e0b;border-radius:12px;padding:14px;margin-top:12px}
.history{list-style:none;padding:0;margin:0}
.history li{display:flex;justify-content:space-between;align-items:center;background:#111c2e;border:1px solid #1e293b;border-radius:10px;padding:10px 12px;margin-bottom:8px}
.history .h-phone{font-weight:600}.history .h-meta{color:#94a3b8;font-size:13px}
.history .h-call{background:#22c55e;border:none;border-radius:8px;padding:8px 12px;cursor:pointer;font-size:16px}
.overlay{position:fixed;inset:0;background:rgba(2,6,23,.96);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.incoming-card,.call-card{text-align:center;width:100%;max-width:400px}
.incoming-label{color:#94a3b8}.incoming-name{font-size:28px;font-weight:800;margin:14px 0 4px}.incoming-phone{color:#94a3b8;font-size:18px}
.incoming-btns{display:flex;gap:16px;justify-content:center;margin-top:36px}
.accept-btn,.decline-btn{width:84px;height:84px;border-radius:50%;border:none;font-size:15px;font-weight:700;cursor:pointer;color:#fff}
.accept-btn{background:#22c55e}.decline-btn{background:#ef4444}
.call-peer{font-size:26px;font-weight:800}.call-timer{font-size:20px;color:#94a3b8;margin-top:8px}.call-state{color:#22c55e;margin-top:6px}
.call-controls{display:flex;gap:12px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.ctrl-btn{background:#1e293b;color:#fff;border:1px solid #334155;border-radius:10px;padding:12px 14px;cursor:pointer}
.ctrl-btn.active{background:#22c55e;color:#06281a}
.end-btn{background:#ef4444;color:#fff;border:none;border-radius:10px;padding:12px 18px;cursor:pointer;font-weight:700}