/* ==== ÜMUMİ ==== */
body{
    margin:0;
    font-family:Segoe UI, sans-serif;
    background:#0f0f10;
    color:#e5e5e5;
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
}

/* APP */
.app{
    width:700px;
    height:85vh;
    background:#18181b;
    border-radius:16px;
    display:flex;
    flex-direction:column;
    box-shadow:0 0 40px rgba(0,0,0,.6);
}

/* ==== LOGO ==== */
.logo-area{
    text-align:center;
    padding:20px 0 10px 0;
}

.ship{
    font-size:42px;
}

/* ==== DALĞA ==== */
.wave{
    width:200px;
    height:20px;
    margin:8px auto;
    position:relative;
    overflow:hidden;
}

.wave::before{
    content:"";
    position:absolute;
    width:300%;
    height:100%;
    background:
        radial-gradient(circle at 25% 60%, #38bdf8 30%, transparent 31%),
        radial-gradient(circle at 75% 40%, #22d3ee 30%, transparent 31%);
    background-size:80px 30px;
    opacity:.7;
}

.wave.active::before{
    animation:waveMove 1s linear infinite;
}

@keyframes waveMove{
    from{ transform:translateX(0); }
    to{ transform:translateX(-80px); }
}

/* ==== CHAT ==== */
.chat-box{
    flex:1;
    padding:20px;
    overflow-y:auto;
    display:flex;
    flex-direction:column;
    gap:14px;
}

/* MESAJLAR */
.message{
    max-width:75%;
    padding:12px 16px;
    border-radius:14px;
    line-height:1.5;
    white-space:pre-line;
}

/* USER */
.user{
    align-self:flex-end;
    background:#2563eb;
}

/* BOT */
.bot{
    align-self:flex-start;
    background:#27272a;
}

/* ==== INPUT ==== */
.input-area{
    display:flex;
    border-top:1px solid #333;
}

input{
    flex:1;
    padding:16px;
    background:#18181b;
    border:none;
    color:white;
    font-size:15px;
}

input:focus{ outline:none; }

button{
    width:120px;
    border:none;
    background:#2563eb;
    color:white;
    font-size:15px;
    cursor:pointer;
}

button:hover{
    background:#1d4ed8;
}