@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #e6ecf5, #cfd9e6);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* CARD UTAMA */
.container {
    width: 90%;
    max-width: 520px;
    background: #ffffff;
    padding: 30px;
    border-radius: 18px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    text-align: center;
}

/* JUDUL */
h2 {
    margin-bottom: 20px;
    font-weight: 600;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

/* LABEL */
label {
    display: block;
    text-align: left;
    font-size: 14px;
    margin-bottom: 5px;
    font-weight: 500;
}

/* INPUT & TEXTAREA */
textarea, input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 14px;
    transition: 0.2s;
}

textarea:focus,
input:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.3);
}

/* BUTTON UMUM */
button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: #4CAF50;
    color: white;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    margin-top: 10px;
}

/* HOVER BUTTON */
button:hover {
    background: #45a049;
    transform: translateY(-2px);
}

/* HASIL */
.hasil {
    margin-top: 20px;
    text-align: left;
}

/* CARD KELOMPOK */
.kelompok {
    background: #f1f3f6;
    padding: 12px;
    margin-top: 10px;
    border-radius: 10px;
    border-left: 5px solid #4CAF50;
    font-size: 14px;
}