/* =========================
   RESET & BASE
========================= */
body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7fb;
    margin: 0;
    padding: 20px;
    color: #333;
}

h2 {
    margin-bottom: 10px;
}

/* =========================
   FILTER BOX
========================= */
form {
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

form input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    min-width: 160px;
}

form button {
    background: #4f46e5;
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    cursor: pointer;
}

form button:hover {
    background: #4338ca;
}

form a {
    align-self: center;
    text-decoration: none;
    color: #555;
    font-size: 14px;
}

/* =========================
   GRID CONTAINER
========================= */
.guru-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

/* =========================
   CARD STYLE
========================= */
.guru-card {
    background: #fff;
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.06);
    transition: 0.2s ease;
    text-align: center;
}

.guru-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

/* Avatar */
.guru-card img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 10px;
}

/* Name */
.guru-card h3 {
    margin: 8px 0 5px;
    font-size: 18px;
}

/* Info text */
.guru-card p {
    margin: 4px 0;
    font-size: 14px;
    color: #555;
}

/* Mata pelajaran tag */
.guru-card p strong {
    color: #333;
}

/* Tarif highlight */
.guru-card p:nth-of-type(3) {
    font-weight: bold;
    color: #111;
}

/* Button */
.guru-card a {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 16px;
    background: #10b981;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: 0.2s;
}

.guru-card a:hover {
    background: #059669;
}

/* =========================
   EMPTY RESULT
========================= */
.guru-container p {
    grid-column: 1 / -1;
    text-align: center;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 600px) {
    body {
        padding: 15px;
    }

    form {
        flex-direction: column;
    }

    form input {
        width: 100%;
    }

    form button {
        width: 100%;
    }
}