body {
    font-family: 'Sarabun', sans-serif;
    margin: 0;
    background-color: #f0f2f5;
    color: #333;
}

.app-container {
    width: 100%;
    max-width: 500px;
    min-height: 100vh;
    background-color: #ffffff;
    margin: 0 auto;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.app-header {
    background: linear-gradient(135deg, #b66700 0%, #b66700 100%);
    color: white;
    padding: 25px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-radius: 0 0 30px 30px;
    box-shadow: 0 4px 15px rgba(0, 90, 141, 0.3);
}

.logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid white;
}

.header-text h1 {
    margin: 0;
    font-size: 22px;
}

.header-text p {
    margin: 0;
    opacity: 0.8;
    font-size: 14px;
}

.app-main {
    padding: 40px 20px;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* แสดง 3 ไอคอนต่อแถว */
    gap: 20px; /* ระยะห่างระหว่างไอคอน */
    row-gap: 30px; /* ระยะห่างระหว่างแถว */
}

.menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: inherit;
    transition: transform 0.2s ease;
}

.menu-item:hover {
    transform: scale(1.05);
}

.menu-icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 25px; /* ทำให้ขอบมนสวยงาม */
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.menu-item:hover .menu-icon-circle {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.menu-icon-circle svg {
    width: 36px;
    height: 36px;
    color: white;
    stroke-width: 1.5; /* ทำให้เส้นไอคอนบางลงเล็กน้อย */
}

/* ชุดสีสำหรับไอคอน */
.bg-blue { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.bg-green { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.bg-orange { background: linear-gradient(135deg, #f6d365 0%, #fda085 100%); }

.menu-label {
    font-size: 14px;
    font-weight: bold;
    color: #333;
    text-align: center;
}