/* Background */
body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #fff;
}

/* Header */
header {
    text-align: center;
    padding: 40px 20px;
}
header h1 {
    font-size: 42px;
    font-weight: 600;
    margin-bottom: 5px;
    text-shadow: 0 0 8px #00eaff;
}
header p {
    font-size: 18px;
    opacity: 0.85;
}

/* Glassmorphic Cards */
.card {
    width: 70%;
    margin: 30px auto;
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 20px rgba(0,255,255,0.25);
}

/* Input Area */
.input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}
input {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    border: none;
    outline: none;
    font-size: 15px;
}
button {
    padding: 12px 18px;
    border-radius: 8px;
    border: none;
    font-size: 15px;
    cursor: pointer;
    background: #00eaff;
    color: #000;
    font-weight: 600;
    transition: 0.2s;
}
button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 12px #00eaff;
}

/* Run Button */
.run-btn {
    width: 100%;
    margin-top: 15px;
    background: #00ff88;
    font-size: 18px;
}

/* Tables */
table {
    width: 100%;
    margin-top: 10px;
    border-collapse: collapse;
}
th, td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    font-size: 16px;
}
th {
    background: rgba(255,255,255,0.12);
    font-weight: 600;
    text-shadow: 0 0 5px #00eaff;
}

/* Footer */
footer {
    text-align: center;
    margin: 40px 0;
    font-size: 15px;
    opacity: 0.8;
}
.highlight {
    color: #00eaff;
    font-weight: 600;
}