body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, #1e293b, #020617);
    color: white;
    text-align: center;
}

header {
    padding: 60px 20px 30px;
}

h1 {
    font-size: 48px;
    color: #4ade80;
    margin-bottom: 10px;
}

header p {
    color: #94a3b8;
}

.tool-box {
    width: 90%;
    max-width: 700px;
    margin: auto;
    padding: 30px;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 40px rgba(0,0,0,0.4);
}

textarea {
    width: 100%;
    height: 140px;
    margin: 15px 0;
    padding: 15px;
    border-radius: 12px;
    border: none;
    font-size: 15px;
    background: #020617;
    color: white;
}

textarea::placeholder {
    color: #64748b;
}

button {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    border: none;
    padding: 14px 30px;
    margin: 10px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: bold;
    color: black;
    transition: 0.2s;
}

button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px #22c55e;
}

.loader {
    display: none;
    margin: 20px auto;
    border: 5px solid #1e293b;
    border-top: 5px solid #22c55e;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

.ads {
    margin: 40px auto;
    max-width: 728px;
    padding: 20px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
}

.content {
    max-width: 700px;
    margin: auto;
    padding: 30px;
    color: #cbd5f5;
}

footer {
    margin-top: 50px;
    padding: 20px;
    color: #64748b;
}
button {
    transition: all 0.2s ease;
}

button:hover {
    transform: scale(1.05);
}
textarea {
    min-height: 140px;
}